MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71b437c875d90c7b16ba9d671c5932aacc2f30cd63005ccb0fe7ba5373a0a5bd. 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: 10


Intelligence 10 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71b437c875d90c7b16ba9d671c5932aacc2f30cd63005ccb0fe7ba5373a0a5bd
SHA3-384 hash: 46fb10d8ff90aad6aac1580de8e80ab69dd1270cb1ba8f167f7d1b557ff0e68727373de5aae25930045e6accb13c2f87
SHA1 hash: cdd3a7302451b54d7bd4e5a717a4bfd29895be35
MD5 hash: ffd77befd87088a37204e612ebb159fe
humanhash: triple-minnesota-vegan-skylark
File name:ffd77befd87088a37204e612ebb159fe.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:24'064 bytes
First seen:2021-06-30 10:30:47 UTC
Last seen:2021-06-30 11:45:31 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 384:PvXqcdqMaiq9gRMlMaM4MwMcLMweM3MxM8UMpMLMRM0UMvM2M1MpMBhMMMMMyM0K:KB4MlMaM4MwMcLMweM3MxMLMpMLMRMNW
Threatray 38 similar samples on MalwareBazaar
TLSH 69B241F9434C31A9EB6275F509D621A0F5E39E314DA7366A283F3464093293BCC53BAD
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
51.81.191.248:1281

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
51.81.191.248:1281 https://threatfox.abuse.ch/ioc/155833/

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ffd77befd87088a37204e612ebb159fe.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-30 10:31:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/937410ca-773c-44b1-8cc9-5a5a6b6ca78a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/168935/
Detection(s):
SecuriteInfo.com.Variant.Bulz.177316.31284.31256.UNOFFICIAL
Create hunting rule

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:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e326798-0951-4836-a5f7-3c8e416e2f53
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809886
Signature
Creates an undocumented autostart registry key
Creates files with lurking names (e.g. Crack.exe)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442297 Sample: StsDQGUVmT.exe Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 5 other signatures 2->58 9 StsDQGUVmT.exe 2 2->9         started        process3 dnsIp4 46 192.168.2.1 unknown unknown 9->46 36 C:\Users\user\AppData\...\StsDQGUVmT.exe.log, ASCII 9->36 dropped 13 mshta.exe 23 9->13         started        file5 process6 dnsIp7 50 ia601408.us.archive.org 207.241.227.128, 443, 49718 INTERNET-ARCHIVEUS United States 13->50 38 C:\Users\user\...\Clean_dai_crack[1].txt, HTML 13->38 dropped 66 Obfuscated command line found 13->66 68 Creates files with lurking names (e.g. Crack.exe) 13->68 18 powershell.exe 14 21 13->18         started        file8 signatures9 process10 dnsIp11 40 archive.org 207.241.224.2, 443, 49733 INTERNET-ARCHIVEUS United States 18->40 42 ia601504.us.archive.org 207.241.227.114, 443, 49735 INTERNET-ARCHIVEUS United States 18->42 44 3 other IPs or domains 18->44 60 Creates an undocumented autostart registry key 18->60 22 powershell.exe 18 18->22         started        25 conhost.exe 18->25         started        signatures12 process13 signatures14 62 Writes to foreign memory regions 22->62 64 Injects a PE file into a foreign processes 22->64 27 aspnet_compiler.exe 2 22->27         started        30 aspnet_compiler.exe 2 22->30         started        32 aspnet_compiler.exe 22->32         started        34 aspnet_compiler.exe 22->34         started        process15 dnsIp16 48 51.81.191.248, 1281, 49756 OVHFR United States 27->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71b437c875d90c7b16ba9d671c5932aacc2f30cd63005ccb0fe7ba5373a0a5bd/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-19 00:48:57 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=og2dpsdv3eghwfv2tvtrywjsvlgc6mgnmmafzsyp465fg45auw6q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245
AsyncRAT
109a40435ad446c7b03af30bb049f55275a659c0271fa7a8a1a59d5871d18c10
AsyncRAT
3e7cecddd88f1fdc8eb055ef6ab1eacfadb706582cb0fe190d99e493baa78691
AsyncRAT
5f5021b3286e9d1b8e9fa9d53319773f0be1c7603efddd040124be7c60424edc
AsyncRAT
61cf72b64353f9154f3ba984f08d65e1a29dafed131cc283d9b56cf9808b4536
AsyncRAT
74c4a2432b9364fde0c0597f44d6818296b45c623f14022b0e1bafaaa5d85508
AsyncRAT
ba4b51ae64c68b32d126322b51b41dce7c300c01faed97aca35ff142e121a914
AsyncRAT
cd91b0fbaabf19d178f3a221c517418378913af82ca88856a07cbf0df506f117
AsyncRAT
d623a286ae90c977b62d9520a819731a7af894481103b703c97b699d45ea90e1
AsyncRAT
fda270ad50aed906730605ca93ecaa3e24792dd070bb443f94d2d6c23124ad61
AsyncRAT
+ 28 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210630-ceg6dq9fx2/
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:
51.81.191.248:1281
Dropper Extraction:
https://ia601409.us.archive.org/5/items/all-lol-123_20210617/ALL_lol_123.TXT
Unpacked files
SH256 hash:
71b437c875d90c7b16ba9d671c5932aacc2f30cd63005ccb0fe7ba5373a0a5bd
MD5 hash:
ffd77befd87088a37204e612ebb159fe
SHA1 hash:
cdd3a7302451b54d7bd4e5a717a4bfd29895be35
Link:
https://www.unpac.me/results/b42b6dd5-8e67-4c31-b8b3-621f32880c3f/
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/71b437c875d90c7b16ba9d671c5932aacc2f30cd63005ccb0fe7ba5373a0a5bd

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/168935/

Comments