MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c023edc2053e7c5d51e392f409b77aa421d36772e785c6107ff36df79ad8916. 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 6 File information Comments

SHA256 hash: 5c023edc2053e7c5d51e392f409b77aa421d36772e785c6107ff36df79ad8916
SHA3-384 hash: 845cd7e112495ef312d8ff181d76653a896c033d1d83541fb5f7098ce4e87a8a85e28d94d4cb4aa751cd6b4870e34787
SHA1 hash: c001d3b91641660ac106149adcd0af2c6f0b9cd9
MD5 hash: 2cda5c618b42fc668eaeb139996f2909
humanhash: victor-tennessee-lake-harry
File name:Spc-9728138f.vbs
Download: download sample
Signature AsyncRAT
File size:7'775 bytes
First seen:2021-10-02 06:32:08 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:2TjQxEFXNIFX0zREJXCIjX+ReEIX2IhXodN2cxVpN2cC:2Tj2
Threatray 1'518 similar samples on MalwareBazaar
TLSH T158F12C2EE0A3D5514769C302CF98BE2C5C1D0889CA35B95CA5F36680AF30FA46A54F7F
Reporter abuse_ch
Tags:AsyncRAT RAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Creates an undocumented autostart registry key
Sigma detected: CrackMapExec PowerShell Obfuscation
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Downloader.SLoad
Status:
Malicious
First seen:
2021-10-02 06:33:13 UTC
AV detection:
4 of 45 (8.89%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:zaitsev rat
Behaviour
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:
top.killwhenabusing1.xyz:2021
Dropper Extraction:
https://cdn.discordapp.com/attachments/851105085270523917/893526238071775232/Skimm.txt
Malware family:
AsyncRAT
Verdict:
Malicious
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_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: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.

Malspam

AsyncRAT

Visual Basic Script (vbs) vbs 5c023edc2053e7c5d51e392f409b77aa421d36772e785c6107ff36df79ad8916

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments