MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88e6baf28fcfa45e9f951160e8dc0b017218171d4c4636fb628136c2bf6c1ac. 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 7 File information Comments

SHA256 hash: b88e6baf28fcfa45e9f951160e8dc0b017218171d4c4636fb628136c2bf6c1ac
SHA3-384 hash: c95c9aaaba7309e252d31c38457b1199eaaedf388aee059de0dfee7be45de9c0fc376bac015b42cf63ea71c7cc17454a
SHA1 hash: 535009ed27ed4364493cecd0d871c0e45505a21f
MD5 hash: 2342f3d5723d354f19844400bfc63b8f
humanhash: network-one-ten-fruit
File name:B88E6BAF28FCFA45E9F951160E8DC0B017218171D4C46.exe
Download: download sample
Signature BitRAT
File size:3'063'808 bytes
First seen:2023-03-27 10:35:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:CaiYyi79nghoOKuvA2lrCuFWzYUKcqLcVFNT7zl3Xr4cqtBCGMUSDqH5uVBDcwDM:Qoig3DFHWfypES55XtB5Yg8KdaO
Threatray 749 similar samples on MalwareBazaar
TLSH T164E5F17112C3FE8AD77B2EB5E944A3734C64675357028344BFD80EF9265624CAE788B8
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 e0ccccc6cec6c8e1 (1 x BitRAT, 1 x LummaStealer, 1 x Expiro)
Reporter abuse_ch
Tags:BitRAT exe RAT


Avatar
abuse_ch
BitRAT C2:
62.210.11.126:9024

Intelligence


File Origin
# of uploads :
1
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
B88E6BAF28FCFA45E9F951160E8DC0B017218171D4C46.exe
Verdict:
Malicious activity
Analysis date:
2023-03-27 10:47:20 UTC
Tags:
bitrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
Setting a global event handler
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  0/10
Confidence:
75%
Tags:
obfuscated stealer
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates files in alternative data streams (ADS)
Hides threads from debuggers
Injects a PE file into a foreign processes
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
Sample uses process hollowing technique
Writes to foreign memory regions
Yara detected BitRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 835500 Sample: B88E6BAF28FCFA45E9F951160E8... Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected BitRAT 2->53 55 5 other signatures 2->55 6 B88E6BAF28FCFA45E9F951160E8DC0B017218171D4C46.exe 1 4 2->6         started        10 Ueegwxx.exe 1 2->10         started        12 Ueegwxx.exe 2->12         started        process3 file4 35 C:\Users\user\AppData\Roaming\...\Ueegwxx.exe, PE32 6->35 dropped 37 C:\Users\user\...\Ueegwxx.exe:Zone.Identifier, ASCII 6->37 dropped 39 B88E6BAF28FCFA45E9...218171D4C46.exe.log, ASCII 6->39 dropped 57 Sample uses process hollowing technique 6->57 14 InstallUtil.exe 1 1 6->14         started        19 InstallUtil.exe 6->19         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 63 Writes to foreign memory regions 10->63 65 2 other signatures 10->65 21 InstallUtil.exe 10->21         started        23 InstallUtil.exe 10->23         started        25 InstallUtil.exe 10->25         started        27 InstallUtil.exe 12->27         started        29 InstallUtil.exe 12->29         started        31 InstallUtil.exe 12->31         started        33 InstallUtil.exe 12->33         started        signatures5 process6 dnsIp7 43 62.210.11.126, 49699, 49700, 49701 OnlineSASFR France 14->43 41 C:\Users\user\AppData\Local:27-03-2023, HTML 14->41 dropped 45 Creates files in alternative data streams (ADS) 14->45 47 Hides threads from debuggers 14->47 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.BirRat
Status:
Malicious
First seen:
2023-02-26 01:35:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:bitrat persistence trojan upx
Behaviour
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
UPX packed file
BitRAT
Malware Config
C2 Extraction:
62.210.11.126:9024
Unpacked files
SH256 hash:
e3c34d67f2758ca6062c9cb5f51d1d43a16746c8386f8f4faaa7caa852d8cdbf
MD5 hash:
77e01dae0a44907c684576ed96d6cf23
SHA1 hash:
878e74c3bbd50314a120fc577443d7652ac1861e
Detections:
BitRat win_bit_rat_auto
SH256 hash:
3c7e9dd24b0d11262dc5dccfa87853c3dc357ec8f299383974141d6548a84445
MD5 hash:
f67b58f9f9ae67c504eaad11098f6339
SHA1 hash:
97103dc407023b1b7b93d0dff37e2253c694d033
SH256 hash:
b88e6baf28fcfa45e9f951160e8dc0b017218171d4c4636fb628136c2bf6c1ac
MD5 hash:
2342f3d5723d354f19844400bfc63b8f
SHA1 hash:
535009ed27ed4364493cecd0d871c0e45505a21f
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:bitrat_unpacked
Author:jeFF0Falltrades
Description:Experimental rule to detect unpacked BitRat payloads on disk or in memory, looking for a combination of strings and decryption/decoding patterns
Reference:https://krabsonsecurity.com/2020/08/22/bitrat-the-latest-in-copy-pasted-malware-by-incompetent-developers/
Rule name:MALWARE_Win_BitRAT
Author:ditekSHen
Description:Detects BitRAT RAT
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Bitrat_54916275
Author:Elastic Security
Rule name:win_bit_rat_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bit_rat.

File information


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

Comments