MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61cf72b64353f9154f3ba984f08d65e1a29dafed131cc283d9b56cf9808b4536. 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: 9


Intelligence 9 IOCs 1 YARA 5 File information Comments

SHA256 hash: 61cf72b64353f9154f3ba984f08d65e1a29dafed131cc283d9b56cf9808b4536
SHA3-384 hash: fa52b884b67e34baaf97af58f58350df870e4c35fac5aea4528d73f51419cb719d72e19e7625fa45f2b104b577920f80
SHA1 hash: 1f3cd0297e424470ae03baa8d947610889091391
MD5 hash: f4bf1efb0919822cc2cc6ac757b6c047
humanhash: music-nuts-diet-maine
File name:F4BF1EFB0919822CC2CC6AC757B6C047.exe
Download: download sample
Signature AsyncRAT
File size:252'928 bytes
First seen:2021-06-30 10:06:34 UTC
Last seen:2021-06-30 10:35:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 3072:tXXWmzFnO1x6CUTLBYiZUFQjNN83ksQoVuoFljEMf/Ub+tO4uL8rhxZSLcVXibB7:9WmpOf6CUTFKFrxc0wm/U+OZ0P6
Threatray 37 similar samples on MalwareBazaar
TLSH 19348D70F2A08962ED161BB188A6C87410F37D5DEDB4511DB08DB61D6AB3395005FBEF
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
209.54.104.73:8558

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
209.54.104.73:8558 https://threatfox.abuse.ch/ioc/156151/

Intelligence


File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
F4BF1EFB0919822CC2CC6AC757B6C047.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-30 10:08:53 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious PowerShell Command Line
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442287 Sample: L0DdbYIYEx.exe Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 9 L0DdbYIYEx.exe 2 2->9         started        process3 file4 30 C:\Users\user\AppData\...\L0DdbYIYEx.exe.log, ASCII 9->30 dropped 12 mshta.exe 23 9->12         started        process5 dnsIp6 42 ia601507.us.archive.org 207.241.227.117, 443, 49712 INTERNET-ARCHIVEUS United States 12->42 58 Obfuscated command line found 12->58 16 powershell.exe 14 22 12->16         started        signatures7 process8 dnsIp9 32 archive.org 207.241.224.2, 443, 49720 INTERNET-ARCHIVEUS United States 16->32 34 ia601501.us.archive.org 207.241.227.111, 443, 49715 INTERNET-ARCHIVEUS United States 16->34 36 3 other IPs or domains 16->36 44 Creates an undocumented autostart registry key 16->44 20 powershell.exe 23 16->20         started        23 conhost.exe 16->23         started        signatures10 process11 signatures12 54 Writes to foreign memory regions 20->54 56 Injects a PE file into a foreign processes 20->56 25 aspnet_compiler.exe 2 20->25         started        28 aspnet_compiler.exe 2 20->28         started        process13 dnsIp14 38 209.54.104.73, 49730, 8558 ASN-QUADRANET-GLOBALUS United States 25->38 40 192.168.2.1 unknown unknown 25->40
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-06-27 07:14:44 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
209.54.104.73:8558
Dropper Extraction:
https://ia601501.us.archive.org/25/items/all-lol-123_20210616/ALL_lol_123.TXT
Unpacked files
SH256 hash:
61cf72b64353f9154f3ba984f08d65e1a29dafed131cc283d9b56cf9808b4536
MD5 hash:
f4bf1efb0919822cc2cc6ac757b6c047
SHA1 hash:
1f3cd0297e424470ae03baa8d947610889091391
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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