MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AsyncRAT


Vendor detections: 16


Intelligence 16 IOCs YARA 32 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
SHA3-384 hash: 1ed862dad99301c976560b962bf62ae55ec7034fc7206d4b7d1ddb7f2d477a4ce7b2d0218267d9c4277ae6157dc649a6
SHA1 hash: ad96a6b3b10bb1452143f2fb0c450afb6ef6cd3e
MD5 hash: 90489ae7eda45c9ab0904ec54c1caa71
humanhash: grey-butter-jupiter-west
File name:90489ae7eda45c9ab0904ec54c1caa71
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:5'042'560 bytes
First seen:2024-03-27 05:13:21 UTC
Last seen:2024-03-27 07:35:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ae9f6a32bb8b03dce37903edbc855ba1 (28 x CryptOne, 18 x RedLineStealer, 15 x njrat)
ssdeep 98304:qaKgooZW+SicdBQhBSpKw6XDb0j0VN6XXx86OA+jNIS+MYiZMqGk2s:qVglZW+SndB6PbQ06XCA+RISfZjGts
TLSH T199363322BAC56431D9B31E3405F95338997DBE204F74AA9B97E22F1D1D34AC11A37B83
TrID 80.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
9.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
3.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c271cc9cae8de972 (24 x Skeeeyah, 7 x RedLineStealer, 2 x RecordBreaker)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 05:14:15 UTC
Tags:
evasion xworm remote loader formbook stealer spyware
Link:
https://app.any.run/tasks/ef2942bd-b88e-42bc-be69-fa4035135192

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint installer lolbin overlay packed setupapi shdocvw shell32 update
Link:
https://www.filescan.io/uploads/6603ab1b1c5277edcec17fef/reports/d92848ab-e65a-4e7f-a33f-4b1ffb802335/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/203726ae-b609-46d9-896f-a6099dd5cfce
Result
Threat name:
FormBook, PureLog Stealer, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416205
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1416205 Sample: SOgv6zN9CC.exe Startdate: 27/03/2024 Architecture: WINDOWS Score: 100 84 sweetchillz.duckdns.org 2->84 86 gamemodz.duckdns.org 2->86 88 12 other IPs or domains 2->88 102 Snort IDS alert for network traffic 2->102 104 Multi AV Scanner detection for domain / URL 2->104 106 Found malware configuration 2->106 110 23 other signatures 2->110 12 SOgv6zN9CC.exe 3 11 2->12         started        15 Message.exe 2->15         started        18 update.exe 2->18         started        20 3 other processes 2->20 signatures3 108 Uses dynamic DNS services 86->108 process4 file5 78 C:\Users\user\AppData\Local\...\update.exe, PE32 12->78 dropped 80 C:\Users\user\AppData\Local\...\setup.exe, PE32 12->80 dropped 82 C:\Users\user\AppData\Local\Temp\...\run.vbs, ASCII 12->82 dropped 22 wscript.exe 1 12->22         started        164 Machine Learning detection for dropped file 15->164 166 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 15->166 168 Modifies the context of a thread in another process (thread injection) 15->168 170 Injects a PE file into a foreign processes 15->170 25 Message.exe 15->25         started        27 conhost.exe 18->27         started        29 conhost.exe 20->29         started        31 conhost.exe 20->31         started        33 conhost.exe 20->33         started        signatures6 process7 signatures8 138 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->138 35 update.exe 3 22->35         started        38 setup.exe 3 22->38         started        140 Writes to foreign memory regions 25->140 142 Modifies the context of a thread in another process (thread injection) 25->142 144 Injects a PE file into a foreign processes 25->144 40 InstallUtil.exe 25->40         started        process9 signatures10 112 Antivirus detection for dropped file 35->112 114 Multi AV Scanner detection for dropped file 35->114 116 Machine Learning detection for dropped file 35->116 124 3 other signatures 35->124 42 cvtres.exe 16 5 35->42         started        118 Injects a PE file into a foreign processes 38->118 47 setup.exe 38->47         started        120 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 40->120 122 Modifies the context of a thread in another process (thread injection) 40->122 49 InstallUtil.exe 40->49         started        process11 dnsIp12 96 sweetchillz.duckdns.org 45.128.96.133, 1337, 49705, 49716 XXLNETNL Germany 42->96 98 ip-api.com 208.95.112.1, 49704, 80 TUT-ASUS United States 42->98 100 168.138.211.88, 49706, 8099 ORACLE-BMC-31898US United States 42->100 74 C:\Users\user\AppData\Local\Temp\drhuxv.exe, PE32+ 42->74 dropped 76 C:\ProgramData\update.exe, PE32 42->76 dropped 146 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 42->146 148 Protects its processes via BreakOnTermination flag 42->148 150 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 42->150 152 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 42->152 51 drhuxv.exe 42->51         started        54 WerFault.exe 42->54         started        154 Maps a DLL or memory area into another process 47->154 56 GYagmXRhRNKRUXpM.exe 47->56 injected file13 signatures14 process15 signatures16 126 Machine Learning detection for dropped file 51->126 128 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 51->128 130 Modifies the context of a thread in another process (thread injection) 51->130 132 Injects a PE file into a foreign processes 51->132 58 drhuxv.exe 51->58         started        134 Found direct / indirect Syscall (likely to bypass EDR) 56->134 61 netsh.exe 56->61         started        64 ctfmon.exe 56->64         started        process17 file18 72 C:\Users\user\AppData\Local\...\Message.exe, PE32+ 58->72 dropped 156 Tries to steal Mail credentials (via file / registry access) 61->156 158 Tries to harvest and steal browser information (history, passwords, etc) 61->158 160 Modifies the context of a thread in another process (thread injection) 61->160 162 2 other signatures 61->162 66 GYagmXRhRNKRUXpM.exe 61->66 injected 70 firefox.exe 61->70         started        signatures19 process20 dnsIp21 90 www.staudent.life 203.161.62.199, 49894, 49897, 49902 VNPT-AS-VNVNPTCorpVN Malaysia 66->90 92 www.vicatti.com 91.195.240.117, 49938, 49940, 49941 SEDO-ASDE Germany 66->92 94 5 other IPs or domains 66->94 136 Found direct / indirect Syscall (likely to bypass EDR) 66->136 signatures22
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-03-26 21:07:00 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2vc7lmt6scv4kthvun6dl2dgycbtnjiaz3gzl2bgpqghfgtlto6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:purelogstealer family:zgrat rat stealer
Link:
https://tria.ge/reports/240327-fwzpysgd9s/
Behaviour
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
PureLog Stealer
PureLog Stealer payload
ZGRat
Unpacked files
SH256 hash:
ab7562817021845540a0446a219c0e95f4eff16201f9a1b147a0418f32c076dc
MD5 hash:
a43a9f8d56cca44cf0bda980710984b4
SHA1 hash:
5310a52e971ed1ce34c3177c9f2b7cf01ecd4796
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
cfb6ea32d8b66f1904a443b6545bcd55dac8f723f40c97ca4401966a8763d560
MD5 hash:
d13c27efddca1ee2e4a462497e1529c1
SHA1 hash:
f4fbf7738696a463bd9b24eb12613a936ea012bc
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
236c6d054c1aac9454bdd9426976b43df315d43725417c00a83c234df2a4e0f3
MD5 hash:
1b007318710e0a159a7133b81cdd9bfe
SHA1 hash:
e456e94ff3d703e34e689d63483a28d5a440856d
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
a7cdd6c483a3a9f6ea0a2dc728313562518d17d5620a743dc79d56dcbcc30a9b
MD5 hash:
040143478cad75ec7294eaced64eb0f0
SHA1 hash:
c40a206e8b19de078591515a991eb5b0a7a7c2d4
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
4758db258144f6eb734562086f465919463e21534973c068bb0b5c87684cf568
MD5 hash:
63676dab903d6a04c6ec711ceba692bd
SHA1 hash:
6d10ec6ed2e5b88112654181653ddaad5a8f18b0
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
59ceb0b78230164405d88974e609da7c6fbce9bfa5c403b766c9996b16fe2770
MD5 hash:
667caa0f57ed5b318e9161559a724db1
SHA1 hash:
50518f7146e427ca76c984664fdf9ec4ba660bcc
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
1a0504940ee4e9b4474258d6f0592a716b42b93e35878197be258c4d9b90a329
MD5 hash:
0383c6643427c8c296163d0ff0db8b79
SHA1 hash:
0d04a92d6c887ac221ead37edd36298968dc05d5
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
56b8b8215261fecb57d717615795d1fb92f2dededa9c022f9f4dd0d2ac40d0df
MD5 hash:
25b8264d2210d0892064bb61fae23c24
SHA1 hash:
fa75dba880dcdd024dea67a2a44072cb6d3bf21e
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
b03ee77dbe0903146c1689266d081e9d3e039a4493f295e6c08be601ca75faac
MD5 hash:
60406909e57847dd121cb1851c70461e
SHA1 hash:
9c7d126854bbfae410acc79f315ec22e74c27e06
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
324e9444cbf86c9b3db9095709ae5dac4f2150ef37804677a50f4d1091e93431
MD5 hash:
fcd10d89a05b0e9ddce7f458b239e57b
SHA1 hash:
58b13b0d270a9318f607f8fcdf09f9e2c7980eba
Detections:
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
af93a3a0e2e05e98b83bb2d0929f9b53127d9ab05f9029e1d588a22887c9548d
MD5 hash:
913671f6bc26488626021646f81294cb
SHA1 hash:
4dfddbe67a4b0aa4053141d1e932ebef5c3eb88e
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
SH256 hash:
d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
MD5 hash:
90489ae7eda45c9ab0904ec54c1caa71
SHA1 hash:
ad96a6b3b10bb1452143f2fb0c450afb6ef6cd3e
Link:
https://www.unpac.me/results/64be18e2-3935-4375-9d33-2fec9803a50a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d545f5b27e90/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

Executable exe d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2793522/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments


Avatar
zbet commented on 2024-03-27 05:13:22 UTC

url : hxxp://193.233.132.167/lend/file.exe