MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef1e1769665ea5ec9a7bf2b55ff43d2d1d741512eb6d3d3ab4b8347a1aa20042. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef1e1769665ea5ec9a7bf2b55ff43d2d1d741512eb6d3d3ab4b8347a1aa20042
SHA3-384 hash: 642121d765efd95a0a682e320bc0bffcdaf55b23fc54f884aac30dac0859439d7e7934b594ca6bcff704e0b169337db0
SHA1 hash: 34794c20a599b84cc14894cb5ac0c2eb4ff4988b
MD5 hash: d46761a9999853b45cafacbea6464bcc
humanhash: zebra-butter-violet-red
File name:d46761a9999853b45cafacbea6464bcc.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:69'464 bytes
First seen:2022-01-04 16:30:22 UTC
Last seen:2022-01-04 18:50:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:puG2lHJ0cYeWQzPhOvVihneW9+eBER67/:puG2/0wz5OdRSnBER6z
Threatray 670 similar samples on MalwareBazaar
TLSH T18F639F3A47A4C8EAD715E570F083F321773B6E92DB40416F33607A8E2CB66854EED5A1
File icon (PE):PE icon
dhash icon 71f0c08888c0e070 (9 x SnakeKeylogger, 9 x AgentTesla, 8 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d46761a9999853b45cafacbea6464bcc.exe
Verdict:
Malicious activity
Analysis date:
2022-01-04 16:40:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0171f0f2-1ace-43c6-a0bb-3c27cc2caf1e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/217292/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38440209.26333.30566.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Sending a UDP request
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/61d4764992bdc4b4077e4bf6/reports/111ca9ec-24b8-4bc8-a36c-6f15a38116cd/overview
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24aa769f-9118-4eb9-814a-92174fe99d79
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/915362
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Used To Disable Windows Defender AV Security Monitoring
Sigma detected: Suspicious Encoded PowerShell Command Line
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 547840 Sample: laKi3cy1vA.exe Startdate: 04/01/2022 Architecture: WINDOWS Score: 88 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 7 laKi3cy1vA.exe 15 4 2->7         started        process3 dnsIp4 38 136.144.41.207, 49772, 49827, 7707 WORLDSTREAMNL Netherlands 7->38 36 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 7->36 dropped 50 Encrypted powershell cmdline option found 7->50 12 powershell.exe 9 7->12         started        15 powershell.exe 8 7->15         started        17 powershell.exe 15 7->17         started        19 2 other processes 7->19 file5 signatures6 process7 signatures8 52 Uses ipconfig to lookup or modify the Windows network settings 12->52 21 conhost.exe 12->21         started        23 ipconfig.exe 1 12->23         started        25 ipconfig.exe 1 15->25         started        28 conhost.exe 15->28         started        30 conhost.exe 17->30         started        32 AdvancedRun.exe 19->32         started        34 AdvancedRun.exe 19->34         started        process9 dnsIp10 40 192.168.2.1 unknown unknown 25->40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef1e1769665ea5ec9a7bf2b55ff43d2d1d741512eb6d3d3ab4b8347a1aa20042/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-01-04 05:58:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54pbo2lgl2s6zgt36k2v75b5fuoxifis5nwt2ovuxa2hugvcabba._file
Verdict:
malicious
Similar samples:
02a6c3107c222062f0102daa96954f22d2af742dfecf45477478a243799301a0
AsyncRAT
1b505dd97979f77eb945dced33b51d4ce2f026c12e6a80ca4ddae93f5756b369
AsyncRAT
25c6683580fed956729b416652583cae152d42d952cacfbfd4b4568850882a6b
AsyncRAT
695722bddb32724a102d8d12aca0ebc841c4944f52632c3ea595941a6e988759
AsyncRAT
6ff685e5acfd946101b558f9f9d47a0d515c62e7476f5f83694609d64343315e
AsyncRAT
800b4455105a08833332092017909f9dd47bd4ebfb1cbddbe0b95658d03b8d64
AsyncRAT
b1fde48aa3298e07bede742647168ab9d13d509d04cb0aad30d0c80a3d893530
AsyncRAT
b2ce2ad6d522621b917ce77b362541bcfa0976bdcbbc36f1a57ec1c5d6199112
AsyncRAT
+ 660 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/220104-t1c9eahfck/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Executes dropped EXE
Nirsoft
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
ef1e1769665ea5ec9a7bf2b55ff43d2d1d741512eb6d3d3ab4b8347a1aa20042
MD5 hash:
d46761a9999853b45cafacbea6464bcc
SHA1 hash:
34794c20a599b84cc14894cb5ac0c2eb4ff4988b
Link:
https://www.unpac.me/results/54778483-fd66-44f3-8be3-b74cd5599873/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ef1e1769665e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.43
Link:
https://yomi.yoroi.company/submissions/ef1e1769665ea5ec9a7bf2b55ff43d2d1d741512eb6d3d3ab4b8347a1aa20042

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe ef1e1769665ea5ec9a7bf2b55ff43d2d1d741512eb6d3d3ab4b8347a1aa20042

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1941658/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/217292/

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