MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f128cdd69eb21d1de98b00303e01258993fe7fba7467aa8ab642df03ffd890. 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 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4f128cdd69eb21d1de98b00303e01258993fe7fba7467aa8ab642df03ffd890
SHA3-384 hash: 29cddd3180a92c905ec9fbf32b67b3a5b843ba0e9554147ea16fdf9cf5aa1401badb076224a64821b94d71f4b6876099
SHA1 hash: e402e3b7498b7136ce63e29383ad789123465e7d
MD5 hash: 2b7bcf3159de036a472e0234d1ac9921
humanhash: five-golf-neptune-beryllium
File name:2B7BCF3159DE036A472E0234D1AC9921.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:24'064 bytes
First seen:2021-08-15 19:55:59 UTC
Last seen:2021-08-15 20:46:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:Wi8Z7ZmLXZNRaHP7S7fbKx7MhbHpI4ZR95PIpIM5FNneX/0oiPory77PyW8:Wi8Z7ZmMHPu7fa7Ob2EQptNny8oEMy7L
Threatray 392 similar samples on MalwareBazaar
TLSH T1D5B25D12BBDC4BF5CD7E4B3496A2225005B3E3074813EF0B1CC9A0A95E52F97EA517E6
Reporter abuse_ch
Tags:BitRAT exe RAT


Avatar
abuse_ch
BitRAT C2:
194.33.45.44:1414

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.33.45.44:1414 https://threatfox.abuse.ch/ioc/189049/

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2B7BCF3159DE036A472E0234D1AC9921.exe
Verdict:
Malicious activity
Analysis date:
2021-08-15 20:00:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cd61e388-e216-4abd-89fb-40a0be0b8591

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/179392/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46786534.28198.10546.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
DNS request
Connection attempt
Creating a file
Creating a window
Setting a global event handler
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
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/0f827d12-cb56-4985-bbbe-ef52470c677a
Result
Threat name:
BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/833220
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Writes to foreign memory regions
Yara detected BitRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 465651 Sample: xulAHuD7wk.exe Startdate: 15/08/2021 Architecture: WINDOWS Score: 100 64 cdn.discordapp.com 2->64 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected BitRAT 2->72 74 Machine Learning detection for sample 2->74 76 Sigma detected: Powershell Defender Exclusion 2->76 8 xulAHuD7wk.exe 15 5 2->8         started        13 win32update.exe 2->13         started        15 win32update.exe 2->15         started        signatures3 process4 dnsIp5 66 cdn.discordapp.com 162.159.133.233, 443, 49780, 49792 CLOUDFLARENETUS United States 8->66 58 C:\Users\user\AppData\...\win32update.exe, PE32 8->58 dropped 60 C:\Users\user\AppData\...\xulAHuD7wk.exe.log, ASCII 8->60 dropped 88 Writes to foreign memory regions 8->88 90 Allocates memory in foreign processes 8->90 92 Adds a directory exclusion to Windows Defender 8->92 17 RegAsm.exe 8->17         started        22 powershell.exe 25 8->22         started        24 powershell.exe 16 8->24         started        32 2 other processes 8->32 68 162.159.130.233, 443, 49790 CLOUDFLARENETUS United States 13->68 94 Multi AV Scanner detection for dropped file 13->94 96 Machine Learning detection for dropped file 13->96 98 Injects a PE file into a foreign processes 13->98 26 powershell.exe 13->26         started        28 powershell.exe 13->28         started        34 2 other processes 13->34 30 powershell.exe 15->30         started        36 2 other processes 15->36 file6 signatures7 process8 dnsIp9 62 194.33.45.44, 1414, 49781, 49784 CLOUVIDERClouvider-GlobalASNGB United Kingdom 17->62 56 C:\Users\user\AppData\Local:15-08-2021, HTML 17->56 dropped 78 Creates files in alternative data streams (ADS) 17->78 80 Contains functionality to inject code into remote processes 17->80 82 Hides threads from debuggers 17->82 84 Contains functionality to hide a thread from the debugger 17->84 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        86 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 30->86 46 conhost.exe 30->46         started        48 conhost.exe 32->48         started        50 conhost.exe 32->50         started        52 conhost.exe 34->52         started        54 2 other processes 36->54 file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4f128cdd69eb21d1de98b00303e01258993fe7fba7467aa8ab642df03ffd890/
Threat name:
ByteCode-MSIL.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2021-08-13 16:37:33 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtysrtowt2zb2hpjrmadapqbewezh7t7xj2gpkukwzbn6a773cia._file
Verdict:
malicious
Similar samples:
03957e1a76e380308206465031a99a1db9e7afce4b82e021f0f8f94888b791b2
BitRAT
0b6efdd0f3f4dddee58af21631051999c5e9d7968a3ba2e7a34388c42375a457
BitRAT
185d25898a718d3e3ff6d12a3ad18f12734c73859ed4ff1993ce1e4a011485f2
BitRAT
870529ce8a6938063220619a4635b6bde6bf9bc18cc735a0157bc4ea24187ac4
BitRAT
c274d34d71a4dfd793b69aeb11803f43d0f5a3e3e4117f7c34f658823bee14ff
BitRAT
e139a350242af220a379940c1a667891161ff92bdcdbb5acd024076a27ddbf56
BitRAT
e386c831df697e516fedcab1ad8a879ae057a5f4f321a873dcd31e9c6760009e
BitRAT
+ 382 additional samples on MalwareBazaar
Result
Malware family:
bitrat
Create hunting rule
Score:
  10/10
Tags:
family:bitrat persistence suricata trojan
Link:
https://tria.ge/reports/210815-5ensbnkyrj/
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
Downloads MZ/PE file
BitRAT
BitRAT Payload
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
Unpacked files
SH256 hash:
b4f128cdd69eb21d1de98b00303e01258993fe7fba7467aa8ab642df03ffd890
MD5 hash:
2b7bcf3159de036a472e0234d1ac9921
SHA1 hash:
e402e3b7498b7136ce63e29383ad789123465e7d
Link:
https://www.unpac.me/results/da7f1125-084b-4bfc-9b2d-d7e48838007d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b4f128cdd69e/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/b4f128cdd69eb21d1de98b00303e01258993fe7fba7467aa8ab642df03ffd890

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_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_BitRAT
Create hunting rule
Author:ditekSHen
Description:Detects BitRAT RAT
Rule name:pe_imphash
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/179392/

Comments