MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7. 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: 13


Intelligence 13 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7
SHA3-384 hash: b9291e6a99186d5e1ae0932516d0ab1f3a628ab49eb404e5deff885f5320d6678d0f4fc93a39880a282fd9f4ba70b3ea
SHA1 hash: 50db7da719c52cf6d44cf278b4583cf3d61f2457
MD5 hash: b5b386647759950985f508aa63904683
humanhash: violet-salami-arkansas-mexico
File name:27062024_1338_ItsComedy.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:876'326 bytes
First seen:2024-06-28 19:00:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 003a54a0fe3c2a4dbf64143004ff22d3 (7 x GuLoader, 1 x Formbook, 1 x AgentTesla)
ssdeep 24576:7EANp7iAwn4qhDEwsGcrqFx1minZyTQSr8xbbt:cAwnDq2n7PxV
TLSH T16F1533D8CEE9A5B3DC559338E4115E2A4B6BB43102C9814677607780FC931D26ABF3EA
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 2191cb66b2582e1b (1 x AsyncRAT)
Reporter Chainskilabs
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
454
Origin country :
RO RO
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667f08ae7d0a7ff58bc76361win10vpnfull_triage
Tags:
Discovery Encryption Execution Network Static Stealth Trojan Nullmixer
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Running batch commands
Creating a process from a recently created file
DNS request
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc nullmixer overlay packed shell32
Link:
https://www.filescan.io/uploads/667f08700bf5978c0b133568/reports/55ea9530-f4f0-4e81-9052-c88bb9998b5c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a8dd2117-f7c5-4610-adab-ba0d29efd438
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464444
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Drops script at startup location
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Search for Antivirus process
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1464444 Sample: 27062024_1338_ItsComedy.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 60 williamskim.ddnsfree.com 2->60 62 AWqjsyYBOHNtsSrkoEC.AWqjsyYBOHNtsSrkoEC 2->62 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 82 14 other signatures 2->82 10 27062024_1338_ItsComedy.exe 62 2->10         started        12 wscript.exe 1 2->12         started        15 wscript.exe 2->15         started        signatures3 process4 signatures5 17 cmd.exe 3 10->17         started        92 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->92 21 OlympusSphere.pif 12->21         started        23 OlympusSphere.pif 15->23         started        process6 file7 50 C:\Users\user\AppData\Local\...\Jump.pif, PE32 17->50 dropped 68 Uses ping.exe to sleep 17->68 70 Drops PE files with a suspicious file extension 17->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 17->72 74 Uses ping.exe to check the status of other devices and networks 17->74 25 Jump.pif 5 17->25         started        29 PING.EXE 1 17->29         started        32 cmd.exe 2 17->32         started        34 7 other processes 17->34 signatures8 process9 dnsIp10 54 C:\Users\user\AppData\...\OlympusSphere.pif, PE32 25->54 dropped 56 C:\Users\user\AppData\...\OlympusSphere.js, ASCII 25->56 dropped 58 C:\Users\user\AppData\Local\...\RegAsm.exe, PE32 25->58 dropped 84 Drops PE files with a suspicious file extension 25->84 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 25->86 88 Writes to foreign memory regions 25->88 90 Injects a PE file into a foreign processes 25->90 36 RegAsm.exe 2 25->36         started        39 cmd.exe 2 25->39         started        42 cmd.exe 1 25->42         started        66 127.0.0.1 unknown unknown 29->66 file11 signatures12 process13 dnsIp14 64 williamskim.ddnsfree.com 45.88.186.62, 49716, 49717, 49718 ANONYMIZEEpikNetworkCH Netherlands 36->64 52 C:\Users\user\AppData\...\OlympusSphere.url, MS 39->52 dropped 44 conhost.exe 39->44         started        46 conhost.exe 42->46         started        48 schtasks.exe 1 42->48         started        file15 process16
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-05-22 19:50:16 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3bg3y5elds4yyk7wn6qwzebueta423czr7iagsfeedjh44b5ttq._file
Verdict:
unknown
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/240628-xn7h9sscqp/
Behaviour
Enumerates processes with tasklist
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
AsyncRat
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
williamskim.ddnsfree.com:6666
williamskim.ddnsfree.com:7777
williamskim.ddnsfree.com:8888
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ff49f071-7b28-4ac1-a5df-13a090179657
Unpacked files
SH256 hash:
b935ae8b76e0894785fac3ec99813a9cac97181ed00f5af4a0903b26a3f58680
MD5 hash:
8075b65a4a7ee01061e8085b4d0d2c07
SHA1 hash:
3287cc1cb1e20a856765ba5dac148a61d095c792
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/8d5249ed-6836-4c2d-ab9d-2fd657ce7d0a/
Parent samples :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 hash:
76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7
MD5 hash:
b5b386647759950985f508aa63904683
SHA1 hash:
50db7da719c52cf6d44cf278b4583cf3d61f2457
Link:
https://www.unpac.me/results/8d5249ed-6836-4c2d-ab9d-2fd657ce7d0a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/76c26de3a458e5cc615fb37d0b6481a1260e6b62cc7e801a45210693f381ece7

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:AsyncRat
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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:NET
Create hunting rule
Author:malware-lu
Rule name:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information

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

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments