MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108. 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: 16


Intelligence 16 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108
SHA3-384 hash: 980f692ca4f7c32267bb76991960164b0bf6c105f12d37d3f443a004fdf51f1e5620f16b661295bf83e36dc159fea62f
SHA1 hash: a0dd2297488460d002c135b9aae1defa3a99cde8
MD5 hash: 78201e3582e59cd310bfd20c1f3c2380
humanhash: delaware-pizza-bravo-washington
File name:Stub.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:63'488 bytes
First seen:2022-12-06 20:21:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:OPrVFns05+0vyhJzxE4Yb/8NjN4zZoabZq7Ax:OPrVFns05+iiJzxENb/8VOJZqUx
Threatray 3'184 similar samples on MalwareBazaar
TLSH T1D7532A043FE9D125F1FD8FB099F2664546B4A56B6902D94E1CD442C70A23BC2DE437EB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter r3dbU7z
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Stub.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 20:24:28 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/5b4b0e65-45a8-4911-9d18-385af0e3d204

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/343601/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat greyware njrat packed rat
Link:
https://www.filescan.io/uploads/638fa46b04e0e79bdf412a9f/reports/003c302d-c8b5-4957-b275-00554a3a8163/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ccb32031-bcd2-47ca-9929-3a5da573032d
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1129310
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 20:22:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vb2di2gamlsppgbimdzj2addntxl7grzpmvicohxtx7bazkzieea._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
4ecdc9f6ebd035e8738d54d42686d571b2723c3c07b431e9cd551cfe1d09b8d1
AsyncRAT
53542563788e98bdc1a23102c0cdf82a08e0cfc955f23f38be064811efc2a1a0
AsyncRAT
6b1263d2d5fecfbd34926b6649b01b0187c6790b8676fb0a43e7919cf175b5c2
AsyncRAT
d41a8bd001feda9ad29b5178cb438c2e23fc4fb9775929b3885fc54d424ef929
AsyncRAT
e8dd6ca9125d656f8243da0a8224948b838a87c2200c247ea5e3b28ede034488
AsyncRAT
ed7156a259cecc750c121faed21545185d9436de677556ef9e271e519073fb34
AsyncRAT
ff86cfa16fa08fb0b9f4f19b755f726832f39dc5b284e3978cf8f20535511485
AsyncRAT
+ 3'174 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/221206-y5jzzaae72/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
mmten.publicvm.com:6606
mmten.publicvm.com:7707
mmten.publicvm.com:8808
Unpacked files
SH256 hash:
a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108
MD5 hash:
78201e3582e59cd310bfd20c1f3c2380
SHA1 hash:
a0dd2297488460d002c135b9aae1defa3a99cde8
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f350016e-91d7-40c0-81b9-9b64fd7ff236/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a8743468c062/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:AsyncRat_Detection_Dec_2022
Create hunting rule
Author:Potatech
Description:AsyncRat
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
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.

Web download

AsyncRAT

Executable exe a8743468c062e4f7982860f29d00636ceebf9a397b2a8138f79dfe1065594108

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/343601/

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