MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da8f7c39a3136c6546c6f2e36872be49ddd7a8dd53002e12d04739680e4821b8. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da8f7c39a3136c6546c6f2e36872be49ddd7a8dd53002e12d04739680e4821b8
SHA3-384 hash: e9521dae5853f93fff1dd7042e2bdd38bab60da9fadcf2d4d12f3ce261c98294ce9fedb46addd8a4f8f079ed96513c9f
SHA1 hash: eabdde0d8d5ff3dee1690e322184d7ec2f3f5d10
MD5 hash: 3f6cd0ff8f90ba35fe22b94e55655c96
humanhash: oven-london-bacon-bluebird
File name:3f6cd0ff8f90ba35fe22b94e55655c96.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:65'536 bytes
First seen:2022-11-25 07:37:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:gwdyfgYBUngABZvxZ/DOG8s8MkeNSzXzKN:gwdyRapBZP/Dl8DMDSzX+N
Threatray 832 similar samples on MalwareBazaar
TLSH T14753E09B16C9CA52D9E385B1D83056F9137CCDA8D8A3D52364C4BC0EBD3B9108BB7792
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 16174db2a88e9620 (26 x BitRAT, 16 x AsyncRAT, 9 x AveMariaRAT)
Reporter abuse_ch
Tags:BitRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
grbgyk[1].exe
Verdict:
Malicious activity
Analysis date:
2022-11-23 15:09:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9aaa8bf9-1571-41f1-850e-c9f570861663

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/338355/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.6580.24339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/638070db559d07a06f47572f/reports/e360027e-2319-4d27-8802-9836adee4ae7/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c386c88f-31cf-4620-850c-e437d9066f50
Result
Threat name:
BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120962
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates files in alternative data streams (ADS)
Encrypted powershell cmdline option found
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected BitRAT
Yara Genericmalware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753680 Sample: tyk57gdmJD.exe Startdate: 25/11/2022 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 5 other signatures 2->59 7 tyk57gdmJD.exe 16 7 2->7         started        12 Bgroyh.exe 14 4 2->12         started        14 Bgroyh.exe 3 2->14         started        process3 dnsIp4 51 a.pomf.cat 69.39.225.3, 443, 49712, 49718 ASN-GIGENETUS United States 7->51 43 C:\Users\user\AppData\Roaming\...\Bgroyh.exe, PE32 7->43 dropped 45 C:\Users\user\...\Bgroyh.exe:Zone.Identifier, ASCII 7->45 dropped 47 C:\Users\user\AppData\...\tyk57gdmJD.exe.log, ASCII 7->47 dropped 65 Encrypted powershell cmdline option found 7->65 67 Injects a PE file into a foreign processes 7->67 16 tyk57gdmJD.exe 1 1 7->16         started        21 powershell.exe 16 7->21         started        23 tyk57gdmJD.exe 7->23         started        69 Antivirus detection for dropped file 12->69 71 Multi AV Scanner detection for dropped file 12->71 25 Bgroyh.exe 12->25         started        27 powershell.exe 12->27         started        29 Bgroyh.exe 12->29         started        31 Bgroyh.exe 12->31         started        33 powershell.exe 14->33         started        file5 signatures6 process7 dnsIp8 49 37.139.128.233, 3569, 49717, 49720 LVLT-10753US Germany 16->49 41 C:\Users\user\AppData\Local:25-11-2022, HTML 16->41 dropped 61 Creates files in alternative data streams (ADS) 16->61 63 Hides threads from debuggers 16->63 35 conhost.exe 21->35         started        37 conhost.exe 27->37         started        39 conhost.exe 33->39         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da8f7c39a3136c6546c6f2e36872be49ddd7a8dd53002e12d04739680e4821b8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-23 14:10:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3khxyondcnwgkrwg6lrwq4v6jho5pkg5kmac4ewqi44wqdsieg4a._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1b9c9b834da58ea5a48a29ecb1fa94be9745a48484417ff2caf6ed70f1a50cbd
BitRAT
5d96c7e165399a26f874e14e20ab5277914f4fceeda523a2e2c805a9d8047a15
BitRAT
770e60bd6058174717ddc4fd4c194579acd9012d792aa912bcc217ff99bcf17d
BitRAT
879b3899bd1dc321c620a9abcd9fa2ce3222047bc49b57cd00a8dabfc9e2b0ac
BitRAT
8be298e99ae5cf904714dbfe1df10a43b948130a5e08b494e4196665d9047b74
BitRAT
8d5f868a2c1a386df121fbd941cb9b5510270d34674e964bbe3a7a36d7877577
BitRAT
8dd93fd81577033b184647b566e160699006396bcc6cbfff405acc4597c0d688
BitRAT
9afa8ea8064c15e349caad45d31c18c41349080c4ed1d35fdd3472659736a19b
BitRAT
+ 822 additional samples on MalwareBazaar
Result
Malware family:
bitrat
Create hunting rule
Score:
  10/10
Tags:
family:bitrat persistence trojan
Link:
https://tria.ge/reports/221125-jgeb9abd74/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
BitRAT
Malware Config
C2 Extraction:
37.139.128.233:3569
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e051f8c5-2cbd-4de4-b1ac-65fa740e5a9d
Unpacked files
SH256 hash:
da8f7c39a3136c6546c6f2e36872be49ddd7a8dd53002e12d04739680e4821b8
MD5 hash:
3f6cd0ff8f90ba35fe22b94e55655c96
SHA1 hash:
eabdde0d8d5ff3dee1690e322184d7ec2f3f5d10
Link:
https://www.unpac.me/results/ff0eb713-7052-4534-9f3b-fcc28e2b3018/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da8f7c39a313/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/da8f7c39a3136c6546c6f2e36872be49ddd7a8dd53002e12d04739680e4821b8

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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

BitRAT

Executable exe da8f7c39a3136c6546c6f2e36872be49ddd7a8dd53002e12d04739680e4821b8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2431940/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/338355/

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