MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d58c755f0efeca62d97434a48be98578a3843bee4183a35854a80c3db62c426. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d58c755f0efeca62d97434a48be98578a3843bee4183a35854a80c3db62c426
SHA3-384 hash: 1f30bcfeb9857c3f0b23435497376dc2daa746e0391b6ff2e77a1310f08c5fb355a793ee9d2ac584f058eb7bcac3cf59
SHA1 hash: b562e3b94269662b5a2a9711b534bd2d5edb11f1
MD5 hash: cbcc696e9623ba421ef74db4b38d7a95
humanhash: ohio-mike-romeo-sweet
File name:Bfhk.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:2'461'184 bytes
First seen:2022-03-25 12:35:44 UTC
Last seen:2024-07-24 13:20:30 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 49152:mONau6NIzTqfHnZaTJHWT8fSCDfb3eh69QylJvyL9o3jFbzldLWu:m5u6GzT8Hu0yS0Z9jlpqQxXldi
Threatray 676 similar samples on MalwareBazaar
TLSH T145B5232A5B47C9A1F1181B7D57F7AB5617B0DC73D865C7074BA8383BF4293AE2D002A8
File icon (PE):PE icon
dhash icon 16174db2a88e9620 (26 x BitRAT, 16 x AsyncRAT, 9 x AveMariaRAT)
Reporter iam_py_test
Tags:BitRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bfhk.exe.malwaer
Verdict:
Malicious activity
Analysis date:
2022-03-25 12:36:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3c3fdd4b-8c6d-46cb-969f-491b45c429ff

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BitRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/257687/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/623db73ea19c6494128d7f8c/reports/6829cd00-d0da-4fd8-a362-ea92a6531b1f/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/76eeafa8-4e2e-49f3-9b5f-6e5f1b248eee
Result
Threat name:
BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964555
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to hide a thread from the debugger
Encrypted powershell cmdline option found
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Encoded PowerShell Command Line
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected BitRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 597036 Sample: Bfhk.exe Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 6 other signatures 2->67 7 Bfhk.exe 1 7 2->7         started        11 Pjoifn.exe 3 2->11         started        13 Pjoifn.exe 3 2->13         started        process3 file4 49 C:\Users\user\AppData\Roaming\...\Pjoifn.exe, PE32 7->49 dropped 51 C:\Users\user\...\Pjoifn.exe:Zone.Identifier, ASCII 7->51 dropped 53 C:\Users\user\AppData\Local\...\Bfhk.exe.log, ASCII 7->53 dropped 69 Encrypted powershell cmdline option found 7->69 15 InstallUtil.exe 1 7->15         started        19 cmd.exe 1 7->19         started        21 powershell.exe 18 7->21         started        71 Antivirus detection for dropped file 11->71 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 23 cmd.exe 11->23         started        25 powershell.exe 11->25         started        27 cmd.exe 13->27         started        29 powershell.exe 13->29         started        signatures5 process6 dnsIp7 55 212.193.30.54, 3680, 49794, 49795 SPD-NETTR Russian Federation 15->55 57 Hides threads from debuggers 15->57 59 Contains functionality to hide a thread from the debugger 15->59 31 conhost.exe 19->31         started        33 timeout.exe 1 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 timeout.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 timeout.exe 27->45         started        47 conhost.exe 29->47         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3d58c755f0efeca62d97434a48be98578a3843bee4183a35854a80c3db62c426/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-24 20:52:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
2d94d61829d259d8e5d224ca67e580aa056e7bdc13a841c6a1188b657a7c008a
BitRAT
4e6dd147fe163628e5d79043ab25d1bdca930dfd5cbc5ca77bb345702590f199
BitRAT
6f2bfcf2a18e32505a684d6636e68f098a1fae5ceff3f8eacc17f9910709dca2
BitRAT
879b3899bd1dc321c620a9abcd9fa2ce3222047bc49b57cd00a8dabfc9e2b0ac
BitRAT
9f65568942c70fe8448977f148737a3d283cbfd0155c1f570c6f823bafeb9821
BitRAT
f74f4131f6df73a2580afa842cf652393122fdcc9bcd7a88c0ea6403a96430a8
BitRAT
+ 666 additional samples on MalwareBazaar
Result
Malware family:
bitrat
Create hunting rule
Score:
  10/10
Tags:
family:bitrat persistence trojan
Link:
https://tria.ge/reports/220325-psy4pacfdp/
Behaviour
Delays execution with timeout.exe
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:
212.193.30.54:3680
Unpacked files
SH256 hash:
dac146a575b857211ded2ed617f3b469c71c2a3aea82207fc6a0806c65f3b272
MD5 hash:
3cb197d294c7f55d0dfcd328e4c49ca2
SHA1 hash:
1bc5c7dc5d14f64d8b8462cd07ecbb84e4315bf3
Link:
https://www.unpac.me/results/491d108e-5ce1-49f1-8df3-607b8227a975/
SH256 hash:
d9f8ab045edc70fdd69efa8e0ff6f724ec242ed83d851a8468e18a151f214f89
MD5 hash:
18ea8cbbc3caecfcbe136eaed8af846f
SHA1 hash:
6549df2bd25f40404ff5bccd65416ab6a9802286
Link:
https://www.unpac.me/results/491d108e-5ce1-49f1-8df3-607b8227a975/
SH256 hash:
277da70e8c7ffdacb998df148119b816d49bae722435bd529352997e0103a6f9
MD5 hash:
915e3f5a2188ec22a142c5180615f008
SHA1 hash:
b68949b3028f352e870c80d392b44265954b6956
Link:
https://www.unpac.me/results/491d108e-5ce1-49f1-8df3-607b8227a975/
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/491d108e-5ce1-49f1-8df3-607b8227a975/
SH256 hash:
3d58c755f0efeca62d97434a48be98578a3843bee4183a35854a80c3db62c426
MD5 hash:
cbcc696e9623ba421ef74db4b38d7a95
SHA1 hash:
b562e3b94269662b5a2a9711b534bd2d5edb11f1
Link:
https://www.unpac.me/results/491d108e-5ce1-49f1-8df3-607b8227a975/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3d58c755f0ef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3d58c755f0efeca62d97434a48be98578a3843bee4183a35854a80c3db62c426

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 3d58c755f0efeca62d97434a48be98578a3843bee4183a35854a80c3db62c426

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2115112/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/257687/

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