MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 defe00b86ab0a90f487d86afab6238fd6cc3992b55129e2b252d628d965c535f. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: defe00b86ab0a90f487d86afab6238fd6cc3992b55129e2b252d628d965c535f
SHA3-384 hash: 7fd1ce39c6223a14ceab0d148dd0af8f988b0ca46b1e45446f12c13c2b6c33cea5b31bfeb86064da4dc401acde019df2
SHA1 hash: 294235cb088d097655ad8dde8964f5e5e1f65817
MD5 hash: 7c1dedce400b56504389a72e0d0ce8e6
humanhash: two-bacon-violet-carolina
File name:bGsC.exe
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2022-10-27 18:23:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:p96mxUTILWCaS+DiMtelDSN+iV08YbygeSKcVevEgK/JnZVc6KN:p96AKWMtKDs4zb1LVenkJnZVclN
Threatray 3'104 similar samples on MalwareBazaar
TLSH T10B236C4037D88036E2FD4BB4ADF2E6418679D6676903C69D6CC814EA2F13BC596036FE
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 pmelson
Tags:AsyncRAT DCRat exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
defe00b86ab0a90f487d86afab6238fd6cc3992b55129e2b252d628d965c535f.exe
Verdict:
Malicious activity
Analysis date:
2022-10-27 19:17:02 UTC
Tags:
asyncrat

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
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a file
Launching a process
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.
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-10-27 00:10:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
defe00b86ab0a90f487d86afab6238fd6cc3992b55129e2b252d628d965c535f
MD5 hash:
7c1dedce400b56504389a72e0d0ce8e6
SHA1 hash:
294235cb088d097655ad8dde8964f5e5e1f65817
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:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
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:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Trojan_DCRat_1aeea1ac
Author:Elastic Security

File information


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

Web download

AsyncRAT

Executable exe defe00b86ab0a90f487d86afab6238fd6cc3992b55129e2b252d628d965c535f

(this sample)

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