MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f134bb1a56316bc3ab22c1a22daa38335b93569fdb327a4e252c7dd6594d494. 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: 18


Intelligence 18 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f134bb1a56316bc3ab22c1a22daa38335b93569fdb327a4e252c7dd6594d494
SHA3-384 hash: 4329463256cd87333aef8897daae8047cfc5704026ec01a8256c6c16f338885601090e0405ada47fb3dd6e19591cc8d7
SHA1 hash: 25432942602e4d8ef5653db6a27a4fed394995fd
MD5 hash: 2ff74ef17b318fd8987f4e9ff88aeaa0
humanhash: ten-iowa-butter-bulldog
File name:decode_d8a9e3c567ec108d8673506487477f4bf1cf3e43a11c1c7b11dd808e7d90229d
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:64'512 bytes
First seen:2023-09-07 14:14:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:3mImJ6tX2kNff4sKu+UYFDGXw5bfAP7pJhx1+rPlTGZx:3m9J6tmkN7Ku+UYFDGXw5bfMpJ1+dix
Threatray 5 similar samples on MalwareBazaar
TLSH T1D453E8013BF98029F3BE8F7469F6618546F9F5AB2D12C54D0CC954CE0632B829A41FBB
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter jstrosch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
decode_d8a9e3c567ec108d8673506487477f4bf1cf3e43a11c1c7b11dd808e7d90229d
Verdict:
Malicious activity
Analysis date:
2023-09-07 14:25:27 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/cf15cd79-98cd-4d52-a0a6-2d90641bb02c

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/447195/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat cmd keylogger lolbin packed rat reg replace schtasks
Link:
https://www.filescan.io/uploads/64f9dae7b7dd6394f7129bb8/reports/f2cbb2f5-04e4-4152-88b5-d835e287a578/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/5f134bb1a56316bc3ab22c1a22daa38335b93569fdb327a4e252c7dd6594d494
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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/815884aa-2fd6-4ee5-a9fa-c9814d0e5654
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1305455
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found 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
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5f134bb1a56316bc3ab22c1a22daa38335b93569fdb327a4e252c7dd6594d494/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-09-07 14:15:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l4juxmnfmmllyovsfqncfwvdqm23snlj7wzspjhckld52zmu2ska._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
2697fa67ef45feb12b868d5cddc78cc6ba95da75c4f5812ab28ec13f7a5a24ad
AsyncRAT
7e5bb0f599e8cc5dda819fde39fa424efd408f17110341ee4034e0c13b6c0226
AsyncRAT
a214fb49064cc1516a7df9479a32e9bb8fe12996d44eef6d761f9a2e7d2b5091
AsyncRAT
d173f0a86e693ad02d756c7f8f1bee445c663aecf2b4f886f733ca01c0911345
AsyncRAT
fd5b9cbb176cfea7cb3ba0b8f10e323eb1a9c1a914a0ab9182aa033c8ea18429
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:test rat spyware stealer
Link:
https://tria.ge/reports/230907-rkkmfaae28/
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Deletes itself
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
actualizaciondedatosgrupoaval.net:8887
Unpacked files
SH256 hash:
5f134bb1a56316bc3ab22c1a22daa38335b93569fdb327a4e252c7dd6594d494
MD5 hash:
2ff74ef17b318fd8987f4e9ff88aeaa0
SHA1 hash:
25432942602e4d8ef5653db6a27a4fed394995fd
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/38aad3e3-6e9a-4672-beda-689f86d1ead9/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5f134bb1a563/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/5f134bb1a56316bc3ab22c1a22daa38335b93569fdb327a4e252c7dd6594d494

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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
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:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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_unobfuscated
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/447195/

Comments