MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85d1707c3b54c31f08d560194620da9a15b4a43f562f7eddf8ec7cd48a49f4a9. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: 85d1707c3b54c31f08d560194620da9a15b4a43f562f7eddf8ec7cd48a49f4a9
SHA3-384 hash: 1abcb93fe78ad77786a61846babfda61d476ed45ecd88769b9c1a3c896ac4a6ad8427c98e045969b690cf7741ccbee7c
SHA1 hash: 1399cd1cc14f64e7a81806d1529e87c2e6a06d75
MD5 hash: 4fc25c15ec17895569bcd9808efc8fa6
humanhash: venus-mango-timing-carpet
File name:85d1707c3b54c31f08d560194620da9a15b4a43f562f7eddf8ec7cd48a49f4a9
Download: download sample
Signature AsyncRAT
File size:544'256 bytes
First seen:2022-01-17 07:02:42 UTC
Last seen:2022-01-17 08:45:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:qVzG7HgH22qla5w/yXbxHIFbPi7R0k+20gPaAAb4h5/cf5RIZH4O3S5ty48nXqgx:tLgH0MW/IbxHIFbPi7R0k+20gPaAAb4z
Threatray 201 similar samples on MalwareBazaar
TLSH T1D9C4CF8C2BD8E4E3D9BD0E7F81B957102336EA70D437C6265A92B9B1062B17D6CC5CE4
File icon (PE):PE icon
dhash icon 31f0ccb28e96b282 (1 x AsyncRAT)
Reporter JAMESWT_WT
Tags:AsyncRAT exe WhisperGate

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
85d1707c3b54c31f08d560194620da9a15b4a43f562f7eddf8ec7cd48a49f4a9
Verdict:
Malicious activity
Analysis date:
2022-01-17 07:05:54 UTC
Tags:
n/a

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

Behaviour
DNS request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Enabling autorun
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-01-16 21:42:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:1111 --- old torrents --- 1111 persistence rat suricata
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
134a01f4c4eeaa4398c764dd6ffb0b3c7ae898c8af7b0d649f0b687cff1d94b4
MD5 hash:
6873d85a52fb5fcd3c79c3e6919f72f8
SHA1 hash:
684683b78b458c4bfc7318d7442a2f766dc784e3
SH256 hash:
c4ff7ac0f9864a7b58a2d6f7a04de93d9707d75dd9e7f5df1068fbdfbf202ff8
MD5 hash:
48c41a9cb42960202608a3c127294892
SHA1 hash:
1432320c8766bcc6bc50bc6bf7a3a11efa79d892
SH256 hash:
85d1707c3b54c31f08d560194620da9a15b4a43f562f7eddf8ec7cd48a49f4a9
MD5 hash:
4fc25c15ec17895569bcd9808efc8fa6
SHA1 hash:
1399cd1cc14f64e7a81806d1529e87c2e6a06d75
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
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.

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