MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e043879249a6a0f0461b9f0c20dbd92345f03b322702831612b286d129226779. 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 YARA 5 File information Comments

SHA256 hash: e043879249a6a0f0461b9f0c20dbd92345f03b322702831612b286d129226779
SHA3-384 hash: 720ba9abc14076b00618917142bdc38d8b255b15f5c4264ef53ee3ea33b887bd661265d83ca5d1c2396d6f6c8979e9dc
SHA1 hash: 6f0e2d2cd805f76233a68ae86a60bd8f24db55f3
MD5 hash: 8e9aea6e036889ae2696260c760e0d0b
humanhash: arkansas-south-aspen-twelve
File name:System.Net.Http.dll.F08D.dll
Download: download sample
Signature AsyncRAT
File size:265'728 bytes
First seen:2022-10-21 06:31:46 UTC
Last seen:2023-08-11 09:10:01 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 3072:LeruQlNGOhYq0AQcTvankc+8lbKta4FUPAT8xpRI454I/Kv6RpZ8dwPSgWQgn2gG:2W60VcTvakcXcApOQE2nUlbsHtf5
Threatray 2 similar samples on MalwareBazaar
TLSH T12D447D00A7E88A2EE7DF4B74F475462086B5F7973402E75E6C84A4FE1887BC086423E7
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter JAMESWT_WT
Tags:AsyncRAT dll signed

Code Signing Certificate

Organisation:Microsoft Corporation
Issuer:Microsoft Code Signing PCA
Algorithm:sha1WithRSAEncryption
Valid from:2017-08-11T20:11:15Z
Valid to:2018-08-11T20:11:15Z
Serial number: 33000001797c2e574e52e1cad6000100000179
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: fb2e0c65764535337434c74236bf4a109fd96e6d392828251d95086b6fd819c7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy.exe evasive hacktool mpcmdrun.exe msconfig.exe njrat overlay packed packed rat regedit.exe
Result
Verdict:
SUSPICIOUS
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:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: rundll32 run dll from internet
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727292 Sample: System.Net.Http.dll.F08D.dll Startdate: 21/10/2022 Architecture: WINDOWS Score: 76 15 Malicious sample detected (through community Yara rule) 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 Sigma detected: rundll32 run dll from internet 2->19 21 2 other signatures 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process5 13 rundll32.exe 9->13         started       
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Unpacked files
SH256 hash:
e043879249a6a0f0461b9f0c20dbd92345f03b322702831612b286d129226779
MD5 hash:
8e9aea6e036889ae2696260c760e0d0b
SHA1 hash:
6f0e2d2cd805f76233a68ae86a60bd8f24db55f3
Detections:
VenomRat
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:extracted_at_0x44b
Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


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

Comments