MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45
SHA3-384 hash: 7543dad67708bab0a20953d1b0f6fb28595f54f41233ef09064f6ebc57f11d4bb6b6be5809e1a05f6f4b5da47efa1df2
SHA1 hash: 90156383d18b6851298d1c68f0cca24f6c7375fe
MD5 hash: 50f7355426061a1952f878e61e072d5e
humanhash: cardinal-ohio-november-vegan
File name:invoice-ID3626307348012.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:324 bytes
First seen:2021-01-07 07:56:22 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6:1Nh4YgejbVjLnXDcHtyJHNFFIsshwv8JMY:1H4Yg2XXIHtaHG/wSMY
Threatray 551 similar samples on MalwareBazaar
TLSH D0E0A9E85064FF328113E1BE0030806EC0B832F8C060B8380F33B8BCA0B119C888938C
Reporter abuse_ch
Tags:AsyncRAT Charter RAT vbs


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: impout006.msg.chrl.nc.charter.net
Sending IP: 47.43.20.30
From: Speсtrum <denniswinnett@charter.net>
Subject: Your latest statement is now available.
Attachment: invoice-ID3626307348012.rar (contains "invoice-ID3626307348012.vbs")

AsyncRAT C2:
saico015.linkpc.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/110797/
Detection(s):
SecuriteInfo.com.UDS.DangerousObject.Multi.Generic.17297.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/575678
Signature
Injects a PE file into a foreign processes
Obfuscated command line found
Sigma detected: MSHTA Spawning Windows Shell
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-01-07 07:57:06 UTC
AV detection:
2 of 46 (4.35%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqjkhppw5cer7jqhgs2timg3lufmrxhcrj3e7uat3v3hmfdzbrcq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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AsyncRAT
+ 541 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210107-6gfete95d6/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
saico015.linkpc.net:6666
Dropper Extraction:
https://www.minpic.de/k/bfqj/2ipze/
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/a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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

rar 419e34cfb8006481229eb1cc92a4077bb16a1e2349d339577a6c2283574ecb8a

AsyncRAT

Visual Basic Script (vbs) vbs a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45

(this sample)

  
Dropped by
MD5 482c0d24deccb881f1bf49067cf58ad9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/110797/
  
Dropped by
SHA256 419e34cfb8006481229eb1cc92a4077bb16a1e2349d339577a6c2283574ecb8a

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