MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70
SHA3-384 hash: f8a11d877edfe219ca1ef22e7836e4b35ed8d56b1eff3aede6a2e7efd324eb9715efcf55eaa24698762c7f0c1566d5c9
SHA1 hash: 0cfe2f69d6278882e5041ffaf864827ce143ed80
MD5 hash: e2bc074cb57739c1cb7a085778873918
humanhash: oregon-bravo-music-colorado
File name:Stub.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:67'584 bytes
First seen:2023-10-10 23:33:36 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:qmfuSa/dSkDVMKuJUYFIBvLHBbYa6GeNRhwKlrPlTGJx:qmGSa/dSkOKuJUYFKvLhbYa/JKldKx
Threatray 3'182 similar samples on MalwareBazaar
TLSH T1D363F8053BE98026F3BE8F7469F662854AF5F56F2D12D95D1CC401CA0632BC29942FBB
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Stub.exe
Verdict:
Malicious activity
Analysis date:
2023-10-10 23:34:41 UTC
Tags:
asyncrat rat remote
Link:
https://app.any.run/tasks/e2d836cf-1bf4-4c34-bbfb-ae5d29833faf

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/453047/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

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
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Gathering data
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70
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/5cf50ce3-e3af-4df7-9d26-e85a7c8a91f9
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1323355
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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)
Uses dynamic DNS services
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-10-10 23:34:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=trbyfowkdiy2cld6mc7teqit65r6hvhicpxfdbryu33pqwvmhrya._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
32bdc05f94a1cd79e80677c623332a0eb1fe83163a62f235c8a50d44034fea41
AsyncRAT
6a30833b7ec13144c0ce90a7c6f805186b8a61f8a69e13ec684fe533682d65cf
AsyncRAT
80f3aa803d69a8a11cd9d625340f9cf1e759c2c23cfab97752c8ac76e74fdfb7
AsyncRAT
88f4284bc8f0f23ab3b6c37b3c1ae3f04993af17c2b968900006960338898546
AsyncRAT
e359c6277dcebf7b485dd5b3e54f25d60b4bbacf25f9818ac3f8604317136f4d
AsyncRAT
e91838e3f9c6aa4e1e043fa30ac176081877347166e52aa9b9cb1e7f25acecbf
AsyncRAT
ef7b8582cd02a9bcb90c8474391b4f6656ecfd716abbe88574476b2abda06f33
AsyncRAT
+ 3'172 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:2 rat spyware stealer
Link:
https://tria.ge/reports/231010-3kea7sba87/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
shady-mo.duckdns.org:9090
Unpacked files
SH256 hash:
9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70
MD5 hash:
e2bc074cb57739c1cb7a085778873918
SHA1 hash:
0cfe2f69d6278882e5041ffaf864827ce143ed80
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/a791e65e-adc8-4a57-bb61-d0be2f075957/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9c4382baca1a/report/overview.html
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
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_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
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 9c4382baca1a31a12c7e60bf324113f763e3d4e813ee518638a6f6f85aac3c70

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/453047/

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