MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fcb98579512e3df028c8199b530d8e027d55a871d2afb81aeb5994adac814bf. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7fcb98579512e3df028c8199b530d8e027d55a871d2afb81aeb5994adac814bf
SHA3-384 hash: a22f706613b0a2da9af0031a87128c48ec74ec6f551e16cf0c45eb3204636e7adeba8b1fa8d9bfa7288074fa88d8cef4
SHA1 hash: 0f5de2557c7cef0c486157089cf2b761ca8839d7
MD5 hash: 8febef9e39284335678e45955722d6a6
humanhash: saturn-comet-illinois-kilo
File name:8febef9e39284335678e45955722d6a6
Download: download sample
Signature BitRAT
Create hunting rule
File size:632'203 bytes
First seen:2021-10-21 18:41:00 UTC
Last seen:2021-10-21 22:09:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 903119b637f155dd7ab6c6a49ae6012a (4 x BitRAT, 1 x AgentTesla, 1 x AsyncRAT)
ssdeep 6144:dC4w8juap56y9dg4sIo9ZCf6YRZDYnDSb+Ox72aR914w6Fs2gVKiEgNaratgMZ:Ynapvg4sz9dYRZsDy+M70sdpEmar3MZ
Threatray 2'103 similar samples on MalwareBazaar
TLSH T1E5D4D37C256A5E48F3A494BCB6B58DFF27A0BC1F45A7B4F3900CB1D70AB9BD05502226
File icon (PE):PE icon
dhash icon f0d4b2d1d8b0d0f0 (20 x BitRAT, 11 x AsyncRAT, 4 x QuasarRAT)
Reporter zbetcheckin
Tags:32 BitRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection:
asyncrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199182/
Detection(s):
SecuriteInfo.com.Trojan.KillProc2.16754.5014.32674.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packed
Link:
https://www.filescan.io/uploads/6171b442a9d585e6d53279cd/reports/4468771f-6d20-4fcd-bb2f-5885aa9e3e16/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:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f439f99f-fede-423a-b492-48f12895461c
Result
Threat name:
AsyncRAT BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874817
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Creates multiple autostart registry keys
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected BitRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 507243 Sample: 5alrKw7836 Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 59 Antivirus detection for dropped file 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 11 other signatures 2->65 10 5alrKw7836.exe 1 2 2->10         started        14 rpa.exe 2->14         started        16 rpa.exe 2->16         started        process3 file4 53 C:\Users\user\AppData\Roaming\rga\rpa.exe, PE32 10->53 dropped 75 Creates multiple autostart registry keys 10->75 77 Writes to foreign memory regions 10->77 79 Allocates memory in foreign processes 10->79 81 Injects a PE file into a foreign processes 10->81 18 RegSvcs.exe 1 4 10->18         started        22 RegSvcs.exe 10->22         started        24 RegSvcs.exe 10->24         started        83 Antivirus detection for dropped file 14->83 85 Multi AV Scanner detection for dropped file 14->85 87 Machine Learning detection for dropped file 14->87 26 RegSvcs.exe 3 14->26         started        89 Sample uses process hollowing technique 16->89 28 RegSvcs.exe 2 16->28         started        signatures5 process6 dnsIp7 55 185.157.160.136, 1973, 1975, 49787 OBE-EUROPEObenetworkEuropeSE Sweden 18->55 57 192.168.2.1 unknown unknown 18->57 49 C:\Users\user\AppData\Local\Temp\iomgll.exe, PE32 18->49 dropped 30 cmd.exe 1 18->30         started        file8 process9 signatures10 91 Suspicious powershell command line found 30->91 93 Bypasses PowerShell execution policy 30->93 33 powershell.exe 14 30->33         started        35 conhost.exe 30->35         started        process11 process12 37 iomgll.exe 1 2 33->37         started        file13 51 C:\Users\user\AppData\Roaming\df\gh.exe, PE32 37->51 dropped 67 Antivirus detection for dropped file 37->67 69 Multi AV Scanner detection for dropped file 37->69 71 Machine Learning detection for dropped file 37->71 73 2 other signatures 37->73 41 RegSvcs.exe 37->41         started        43 RegSvcs.exe 37->43         started        45 RegSvcs.exe 37->45         started        47 3 other processes 37->47 signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fcb98579512e3df028c8199b530d8e027d55a871d2afb81aeb5994adac814bf/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2021-10-20 21:13:48 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p7fzqv4vclr56aumqgm3kmgy4at5kwuhduvpxanowwmuvwwics7q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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0c323c02db0a52d9a1764a74e3cb5a7bcc8e7b9839160179a772de3a6bc8cf26
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2db9c7811679d1b6d646220a908423199a4ae1d876ddb60189e8bc1c9bba74e9
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5468fe6c4a8a65ed2e4e3c101c8fd0191b9773acc51ae61da6d446057958511b
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8e3079b83ab70db97e2508e7a9a57a8a5ce124b1524c6a64867b5ff33edcbdca
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959e3ca2579b6be8a11c06763c5a34ec118abc96d869e25bef06319c92da465e
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b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3
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+ 2'093 additional samples on MalwareBazaar
Result
Malware family:
bitrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:bitrat botnet:1 persistence rat trojan
Link:
https://tria.ge/reports/211021-xbrmaabefr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
BitRAT
BitRAT Payload
Malware Config
C2 Extraction:
185.157.160.136:1973
Unpacked files
SH256 hash:
72b842141069b6cb4a7af7401ce19fd5e76874064a94b09449a2888e0348cc0b
MD5 hash:
6c282646b74671bf9c99361d238dfda7
SHA1 hash:
04f8188971d766a5fe649a79b98c82359f9de9f4
Link:
https://www.unpac.me/results/7acb40f4-61c0-4042-9ffe-40bc2e501297/
SH256 hash:
a90bed6b881fc428330c3b7331eacb71a817b1cd866723eb65a0044f896777e4
MD5 hash:
5917cbde99beb6341f6d48e4817175ca
SHA1 hash:
8b7a932b06035d7628b79ea7cbd0b261f9ec8e9f
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/7acb40f4-61c0-4042-9ffe-40bc2e501297/
SH256 hash:
7fcb98579512e3df028c8199b530d8e027d55a871d2afb81aeb5994adac814bf
MD5 hash:
8febef9e39284335678e45955722d6a6
SHA1 hash:
0f5de2557c7cef0c486157089cf2b761ca8839d7
Link:
https://www.unpac.me/results/7acb40f4-61c0-4042-9ffe-40bc2e501297/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7fcb98579512/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/7fcb98579512e3df028c8199b530d8e027d55a871d2afb81aeb5994adac814bf

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:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Web download

BitRAT

Executable exe 7fcb98579512e3df028c8199b530d8e027d55a871d2afb81aeb5994adac814bf

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1705795/
Cape
Cape
https://www.capesandbox.com/analysis/199182/

Comments


Avatar
zbet commented on 2021-10-21 18:41:02 UTC

url : hxxp://ddl8.data.hu/get/221922/13065087/QS.exe