MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 420f656a391a1f0beed0f495b6b597e2c4b03a5472ad2d1999b4e79c6ab66380. 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


BitRAT


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 420f656a391a1f0beed0f495b6b597e2c4b03a5472ad2d1999b4e79c6ab66380
SHA3-384 hash: 199227b9226759a6b3ea9b35915501f73c1ef153734ce5e8616c47083e9709e75098ede213e0a46d478e0e50c91323cf
SHA1 hash: 2177e94190b7f34126244785ce5fab901826dc90
MD5 hash: 53df21083559df9c800617031028204f
humanhash: lake-cold-washington-jersey
File name:53df21083559df9c800617031028204f.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:386'560 bytes
First seen:2021-12-24 14:07:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:WrAc6S3T/jI+9MEybz0lbjTL6XHAb304aFvrUoqCTIy+oIwk+M87L:eAdYPcG/63tDvrtqfyDM
Threatray 2'208 similar samples on MalwareBazaar
TLSH T1ED846C0EBB168646F80CEF79AF736B611B20FEF59C21D1177A8A3ABD84773761840542
File icon (PE):PE icon
dhash icon 0f0e696d33134555 (7 x BitRAT, 1 x AsyncRAT)
Reporter abuse_ch
Tags:BitRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Cerere de oferta Startgroup S.R.L.23.12.2021.xls
Verdict:
Malicious activity
Analysis date:
2021-12-24 08:12:51 UTC
Tags:
macros macros-on-open loader trojan rat asyncrat
Link:
https://app.any.run/tasks/de29610e-e048-4531-a643-c572b3266420

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/216180/
Detection(s):
Win.Dropper.Generic-7113183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
obfuscated strictor
Link:
https://www.filescan.io/uploads/61c5d40aec6c6c14a9ef49fe/reports/e8045988-d1e3-48aa-8b02-d498c96ddef4/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e63d1e8c-cf1b-495a-b56d-420a8b44cd12
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912479
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/420f656a391a1f0beed0f495b6b597e2c4b03a5472ad2d1999b4e79c6ab66380/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2021-12-23 18:47:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iihwk2rzdipqx3wq6sk3nnmx4lclaosuokws2gmzwttzy2vwmoaa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
masslogger
Create hunting rule
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0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d
BitRAT
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
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16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
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1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
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213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
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438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
BitRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
BitRAT
bcf7571a4d9b25fabdc2d6120b1b2d7bd8446ea2bc3a5da1d4127954920067de
BitRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
BitRAT
ecb8839117d73d33390c84f7f6e02f4970156ccb2da7b48083922f60625fa8be
BitRAT
+ 2'198 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:ro persistence rat
Link:
https://tria.ge/reports/211224-rezjeaeda5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
2.56.57.68:8754
Unpacked files
SH256 hash:
9919d4fb51911c515fd3d28711a1a3197a897f756eb9c7466bbe47846f18ad52
MD5 hash:
0c45bb15492827a25227910e0e535181
SHA1 hash:
48b3898967329e946497a1ae505571a9e3d59b82
Link:
https://www.unpac.me/results/d5e70628-1657-4520-a253-63e69f009d56/
SH256 hash:
a16b5a69ce5ef79652516f3990e9354e48e2b351be94b335aff832943f5f5d3d
MD5 hash:
fd0da7a5ef804c43cd1f6801526f7d6f
SHA1 hash:
c19891fbc4601609e0c1957fb74e52ecf34665e7
Link:
https://www.unpac.me/results/d5e70628-1657-4520-a253-63e69f009d56/
SH256 hash:
e770ceba0817ff67a098ba450ce8b6fff884b0489e5fb13d09ada397c46987a5
MD5 hash:
e295a52a53a51751d8a5d985ab55ea24
SHA1 hash:
c5fc8bac7a0a6e400c0ad78d702997ad12a53049
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/d5e70628-1657-4520-a253-63e69f009d56/
SH256 hash:
420f656a391a1f0beed0f495b6b597e2c4b03a5472ad2d1999b4e79c6ab66380
MD5 hash:
53df21083559df9c800617031028204f
SHA1 hash:
2177e94190b7f34126244785ce5fab901826dc90
Link:
https://www.unpac.me/results/d5e70628-1657-4520-a253-63e69f009d56/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/420f656a391a/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/420f656a391a1f0beed0f495b6b597e2c4b03a5472ad2d1999b4e79c6ab66380

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
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Web download

BitRAT

Executable exe 420f656a391a1f0beed0f495b6b597e2c4b03a5472ad2d1999b4e79c6ab66380

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1916578/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/216180/

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