MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7
SHA3-384 hash: 23478e50a0ca6415e273899683cad5d723cb087710119b555d7fe9eaf6a60806c5c4b6c755f4835562da4a25a7c62e7a
SHA1 hash: 11d3c0062c63684da758757d7f813b7ca03d7089
MD5 hash: f878d57ebaf7ecb49c55d50207b33b60
humanhash: uncle-october-fruit-leopard
File name:bUjO.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:75'776 bytes
First seen:2024-03-19 17:09:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:LUk0cxVGlCBiPMVye9VdQuDI6H1bf/ZHUoIQzc+LVclN:LURcxVMWiPMVye9VdQsH1bfBHHIQXBY
Threatray 457 similar samples on MalwareBazaar
TLSH T182734B013BE88D2AF2AE47B9ACF256074EF4D1576512CE5E3CC440CD5A67BC58A037EA
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 pmelson
Tags:AsyncRAT exe VenomRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7.exe
Verdict:
Malicious activity
Analysis date:
2024-03-19 17:10:32 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/22fcaf67-15f6-4fbe-b469-48dd0239b4fa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Razy-9807129-0
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Trojan.AsyncRAT-9914220-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool hook keylogger lolbin lolbin mpcmdrun msconfig msiexec njrat rat regedit schtasks
Link:
https://www.filescan.io/uploads/65f9c6ee87137159d44a3da2/reports/11d03ea8-bb94-44a1-aa47-ebad81e11537/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7
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:
ModernLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ffd6e25f-ed90-4613-99b6-a2d71bc0c737
Result
Threat name:
AsyncRAT, VenomRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1411918
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Connects to a pastebin service (likely for C&C)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected VenomRAT
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-03-19 17:10:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcljddvtclj24qnal3madtama7fs5lqxo6abf2cjuqob3ek6xttq._file
Verdict:
malicious
Similar samples:
27ec0c704261af619ce67a04c2f71b34e5c74110970b555208afb4aa65b4a723
AsyncRAT
3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb
AsyncRAT
5d6cc4d7e7ce998cf1d7bc8b78f787f9b034ab3dbdf8c91a33ad0233ddef2ac4
AsyncRAT
798e0870efbf28e90fb48671e8ef55bb9b442602cc505522a991153d79f2bfaf
AsyncRAT
9b48193aeca9f5ca2a9737981221bffa1d2625eb3098e9cadad18b0c1f40654a
AsyncRAT
c61be8a80e413a855e38a6269b611f6c4b86718e0e0aea9964772ab11c836a74
AsyncRAT
ce438c103a40dbd12f48547c2d8604c947232376f87eadd1a2da3b7bfac28d02
AsyncRAT
e4ac57a8885a3f67ef865619fe1002547a993e4e5fd14e2f6ac89c6f741b2107
AsyncRAT
+ 447 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/240319-vppczahc65/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Legitimate hosting services abused for malware hosting/C2
AsyncRat
Unpacked files
SH256 hash:
b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7
MD5 hash:
f878d57ebaf7ecb49c55d50207b33b60
SHA1 hash:
11d3c0062c63684da758757d7f813b7ca03d7089
Detections:
VenomRat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Link:
https://www.unpac.me/results/71152669-e4fb-4bc2-9d7c-d36f2dec2db3/
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/b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7

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:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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: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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
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:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

Executable exe b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7

(this sample)

  
Link
https://www.virustotal.com/gui/file/b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7/detection
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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