MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e
SHA3-384 hash: 24470f000df3dbaceefe5d1522aaec38312c2a0a7c061aeaaa850f3c892fa70de6e31ee2b137bf42da287078685fd540
SHA1 hash: 6e70c0ac39453356ff5c12a308275d7e31995523
MD5 hash: 732a3a05a73370a359cbbb012831c14d
humanhash: aspen-magazine-colorado-failed
File name:Pago372023.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:972'666 bytes
First seen:2023-03-08 07:54:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:kNA3R5drXZqFLto7/xoTTNaTreSa1R9iH0me:F5ZqFLtozuTITiMve
Threatray 2'737 similar samples on MalwareBazaar
TLSH T14425CF827282817AFF63057861D5BE12701B7C1A0E3D956BF3A7854FC6276C58FAF242
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64ccd4f0f0f0f0d4 (3 x AsyncRAT, 2 x AveMariaRAT, 1 x QuasarRAT)
Reporter lowmal3
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Pago372023.exe
Verdict:
Malicious activity
Analysis date:
2023-03-08 07:55:39 UTC
Tags:
asyncrat trojan rat
Link:
https://app.any.run/tasks/50b82798-c326-4c3d-b522-5aff0c141042

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/372496/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a file
Sending a custom TCP request
Running batch commands
Changing a file
Delayed writing of the file
Creating a process from a recently created file
Creating a process with a hidden window
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/64083f5a0d3d88726b74bc02/reports/24ecd7a5-d0bf-42ed-9277-013a81c9a7c4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e
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:
Unknown
Link:
https://analyze.intezer.com/analyses/b9df112e-444b-421c-a3d0-328aac137945
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1189222
Signature
Antivirus detection for dropped file
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 822099 Sample: Pago372023.exe Startdate: 08/03/2023 Architecture: WINDOWS Score: 92 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AsyncRAT 2->38 40 2 other signatures 2->40 10 Pago372023.exe 9 2->10         started        process3 file4 28 C:\Users\user\AppData\Roaming\ryagj.sfx.exe, PE32 10->28 dropped 13 cmd.exe 1 10->13         started        process5 process6 15 ryagj.sfx.exe 7 13->15         started        19 conhost.exe 13->19         started        file7 30 C:\Users\user\AppData\Roaming\ryagj.exe, PE32 15->30 dropped 32 Multi AV Scanner detection for dropped file 15->32 21 ryagj.exe 1 15->21         started        signatures8 process9 signatures10 42 Antivirus detection for dropped file 21->42 44 Multi AV Scanner detection for dropped file 21->44 46 Machine Learning detection for dropped file 21->46 24 ryagj.exe 21->24         started        process11 process12 26 WerFault.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-03-07 22:03:47 UTC
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmpuq3jzyn4p7xxx4zk5biydsu3qqgyqufja3yforg76etg4su7a._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a05f8788ca28d5f4e2ad838a36f83107326d3021fc5bc9824fe2c47dfd07712
AsyncRAT
465966504b71b61efd8b63c2b473115b51666d6e5beab1aad6f5da29fa82f2c5
AsyncRAT
5468fe6c4a8a65ed2e4e3c101c8fd0191b9773acc51ae61da6d446057958511b
AsyncRAT
8adeeedad895d174c55f2d43c1985ff77fc533975cfde64f8dfd99782e4c4b9f
AsyncRAT
8e3079b83ab70db97e2508e7a9a57a8a5ce124b1524c6a64867b5ff33edcbdca
AsyncRAT
959e3ca2579b6be8a11c06763c5a34ec118abc96d869e25bef06319c92da465e
AsyncRAT
a412a3bdf6e8891fa60734b53430db5d0ac8dce28a764fd013dd767614790c45
AsyncRAT
+ 2'727 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:knock rat
Link:
https://tria.ge/reports/230308-jr41naeg38/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
www.dnuocc.com:1452
www.dnuocc.com:1432
dnuocc.com:1452
dnuocc.com:1432
Unpacked files
SH256 hash:
9413e0fa575f25caa60965a2b97304985e35ab4dc1218a40d5029f5775d96cd7
MD5 hash:
0340f2ed7568bbfe85803c58816f553f
SHA1 hash:
0c4fdcac8c43678e5f4e0d1ddf354317bc340060
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/325500ba-e213-46ac-9a60-6cbcdde7e635/
Parent samples :
4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e
16470e7be2dd5cd6a75b85667f3f93184ffa8299bb547f412ca63324684e0c23
6b5727c6490854539140bc2414d48fbed9e557ddc48b875ed80626d1f6d68988
SH256 hash:
d1ddd859e82d10e5f4d234f0f1b2028b35d47b8f6ac722b9e92abd2337949b28
MD5 hash:
fbc259b475dfb93a82773151babeab07
SHA1 hash:
0a04b551bfea374c832d4494880092a1c69e09d3
Link:
https://www.unpac.me/results/325500ba-e213-46ac-9a60-6cbcdde7e635/
SH256 hash:
b265d7f4902f26494660c012981129b41780ebd1d2e5829bee8d49a36eadae5f
MD5 hash:
0ae389d8090a529efbfad12aedf057b9
SHA1 hash:
069fbe20f242076fb3e4a56cba271f232d07d679
Link:
https://www.unpac.me/results/325500ba-e213-46ac-9a60-6cbcdde7e635/
SH256 hash:
4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e
MD5 hash:
732a3a05a73370a359cbbb012831c14d
SHA1 hash:
6e70c0ac39453356ff5c12a308275d7e31995523
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/325500ba-e213-46ac-9a60-6cbcdde7e635/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b1f486d39c3/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/4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e

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: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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
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
Rule name:win_xorist_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xorist.

File information

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

Malspam

AsyncRAT

Executable exe 4b1f486d39c378ffdef7e655d0a3039537081b10a1520de0ae89bfe24cdc953e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/372496/

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