MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc
SHA3-384 hash: 7ce7a9a8d9ca472e3ae0e3a43c3e564f4fd0e59ddeb8aa6e8ca05184aa1cd80be303b8d2479b6a69574746cf3c6da80a
SHA1 hash: 29dba01814ef258f12fc06f9771f8e795e0337af
MD5 hash: 0dda2fcee8bec9941a9cf9c5bd866f10
humanhash: eleven-washington-four-ink
File name:0dda2fcee8bec9941a9cf9c5bd866f10.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:68'096 bytes
First seen:2024-04-03 14:50:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:42MX66CQkCANKu/UYF9VCFCfn2W4bpfbPkgZIcrPlTGRG:42I66CQk7Ku/UYFOEd4bpzsgZIcdqG
Threatray 3'089 similar samples on MalwareBazaar
TLSH T1986308053BE9902AF3BE8F7458F6668546F9F56B2D02D51D1CC9108E0532B829981FFF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
146.103.11.88:6606

Intelligence

File Origin
# of uploads :
1
# of downloads :
348
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 15:23:23 UTC
Tags:
asyncrat rat remote
Link:
https://app.any.run/tasks/208d714a-d119-4a1a-90ca-66211f2f4aec

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

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Connection attempt
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
MSIL.Krypt..Generic
Link:
https://www.hybrid-analysis.com/sample/5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc
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:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2c4ee46-db40-439f-9afb-7ce0f8bacaeb
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419568
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419568 Sample: 5f25TNMOws.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 31 mrreport.duckdns.org 2->31 33 bg.microsoft.map.fastly.net 2->33 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 45 12 other signatures 2->45 8 5f25TNMOws.exe 7 2->8         started        11 Windows Session Manager.exe 2 2->11         started        signatures3 43 Uses dynamic DNS services 31->43 process4 dnsIp5 29 C:\Users\user\...\Windows Session Manager.exe, PE32 8->29 dropped 14 cmd.exe 1 8->14         started        17 cmd.exe 1 8->17         started        35 mrreport.duckdns.org 146.103.11.88, 49730, 8808 BELNETBE Belgium 11->35 file6 process7 signatures8 47 Uses schtasks.exe or at.exe to add and modify task schedules 14->47 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 Windows Session Manager.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-03-31 14:46:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4zish6cacu2lh67hmxznvmxofjndn3ow4razd6lfd6eo2kfzxoa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
32bdc05f94a1cd79e80677c623332a0eb1fe83163a62f235c8a50d44034fea41
AsyncRAT
35c73c6c8bed8697de74b1509caf030fae69fb856edefc47342adde573da928c
AsyncRAT
5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc
AsyncRAT
6bd3a9be98f3e06d4cefbc574149bd6f80e1bd96b6ac7131349313c2c9c19fae
AsyncRAT
88f4284bc8f0f23ab3b6c37b3c1ae3f04993af17c2b968900006960338898546
AsyncRAT
9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70
AsyncRAT
e359c6277dcebf7b485dd5b3e54f25d60b4bbacf25f9818ac3f8604317136f4d
AsyncRAT
e3922972e0bf6c9b59bf0a4234818b92d9ccecda13d6ad729c86ab6143f79179
AsyncRAT
fb0cedd17622c47554bc9fada82b2135838059aae5fa17ead92ab3fd222cfab5
AsyncRAT
+ 3'079 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:rat15 rat spyware stealer
Link:
https://tria.ge/reports/240403-r75wwsee9x/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
darkstorm275991.ddns.net:6606
darkstorm275991.ddns.net:7707
darkstorm275991.ddns.net:8808
mrreport.duckdns.org:6606
mrreport.duckdns.org:7707
mrreport.duckdns.org:8808
Unpacked files
SH256 hash:
5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc
MD5 hash:
0dda2fcee8bec9941a9cf9c5bd866f10
SHA1 hash:
29dba01814ef258f12fc06f9771f8e795e0337af
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
asyncrat
Create hunting rule
Link:
https://www.unpac.me/results/03e62a19-7c87-4d5f-a9d5-1c44210ecde1/
Parent samples :
5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc
821900f5cf0981a062d0683d5a5905ce407a035d9e0ab7ee0bd110a7403321d1
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5732891fc200/report/overview.html
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/5732891fc200a9a59fdf3b2f96d5977152d1b76eb7220c8fcb28fc476945cddc

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: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:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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: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 (GUARD_CF)high

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