MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f5d4cb1f4a41be650a74eb90e3e07f2effcc29f0f83a1cd933b91b184874be6. 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 15 File information Comments
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SHA256 hash: 1f5d4cb1f4a41be650a74eb90e3e07f2effcc29f0f83a1cd933b91b184874be6
SHA3-384 hash: 7f6056f30de8966918311b04b1590c29d2c1d5f3cb48621bfd88f794ae255a7c0e73df7216b1304d72902f4ab19d796b
SHA1 hash: 1c617cd48b859825fa1615189b988c7aa5724347
MD5 hash: a4a1e26ed3f86fba7d5a695e53550c17
humanhash: batman-sierra-pennsylvania-chicken
File name:decode_bf0e5d78d815655589af8ef3825159471efe6b94671fd17c347499832bb2b6fd
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:67'584 bytes
First seen:2023-07-07 13:54:19 UTC
Last seen:2023-08-15 14:50:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:a2wukvF1ak9gcKu5UYFg8FpeXvDybXxMbbHXDmlZorPlTGZx:a2dkvF1ak9Ku5UYFDFs7ybXxAkZodax
Threatray 3'155 similar samples on MalwareBazaar
TLSH T1486309053BF99119F3BE8F7469F6258146FAF46F2912C55D0CC810DE1632B829A41FBB
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 jstrosch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
decode_bf0e5d78d815655589af8ef3825159471efe6b94671fd17c347499832bb2b6fd
Verdict:
Malicious activity
Analysis date:
2023-07-07 13:57:26 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/3417a72f-d1f0-4fc6-bea5-fccc039f40bd

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/410874/
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
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/1f5d4cb1f4a41be650a74eb90e3e07f2effcc29f0f83a1cd933b91b184874be6
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/1e51f45c-2666-4d1a-b197-86fc5d47f665
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f5d4cb1f4a41be650a74eb90e3e07f2effcc29f0f83a1cd933b91b184874be6/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-07-07 13:55:08 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=d5ouzmpuuqn6mufhj24q4pqh6lx7zqu7b6b2dtmthoi3dbehjpta._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
2c10f58237186aebaaf1bb8dae79f9e13be21b8fb8d1d23261feb77cad9ff159
AsyncRAT
60ae5794afacdc55c75268040eedce59d20776dced641d2cba250bd768359d8a
AsyncRAT
64349010e1fbfa33f4ea4f3ec59950d2a7b44874488902a78cee4544dfecce33
AsyncRAT
8b1be19d9f8c2d8edc6cb3643a291dae7585153cf1d9f2cff32e7ce6100ecd1b
AsyncRAT
9473eebd3002fe8e81329dff2e255a43a7428c5636549c3b5552dbc70d14752f
AsyncRAT
acd3fc66fd0197318253d2d5f4cb724b6cb54963f554b60839d03a252f560901
AsyncRAT
fd5b9cbb176cfea7cb3ba0b8f10e323eb1a9c1a914a0ab9182aa033c8ea18429
AsyncRAT
+ 3'145 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:julio 4 rat spyware stealer
Link:
https://tria.ge/reports/230707-q74s6aaf4z/
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:
moneymaker.dynuddns.net:5757
Unpacked files
SH256 hash:
1f5d4cb1f4a41be650a74eb90e3e07f2effcc29f0f83a1cd933b91b184874be6
MD5 hash:
a4a1e26ed3f86fba7d5a695e53550c17
SHA1 hash:
1c617cd48b859825fa1615189b988c7aa5724347
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f5143f81-5fa0-4728-8edb-1477ddbe8df8/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f5d4cb1f4a4/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/1f5d4cb1f4a41be650a74eb90e3e07f2effcc29f0f83a1cd933b91b184874be6

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/410874/

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