MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76f4e044608832ec9661d3fb83cd7f1a126765f612a16b31fe1eca4e28ca1635. 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 1 YARA 5 File information Comments

SHA256 hash: 76f4e044608832ec9661d3fb83cd7f1a126765f612a16b31fe1eca4e28ca1635
SHA3-384 hash: 5af9f23cc73a11a85c1e2d6436d9b2bde2a31f535176bfe38544c929de137e643810006e678eeb46bb9a0ae93b971628
SHA1 hash: 507b08d7e8bb242c39ffcc6ada6a8f838125a95a
MD5 hash: 9b55e8a78543026b5ae2dc0488c01841
humanhash: bacon-white-avocado-orange
File name:Taskmgr.exe
Download: download sample
Signature BitRAT
File size:1'877'504 bytes
First seen:2021-09-13 03:55:33 UTC
Last seen:2021-09-14 06:40:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:vsaY2h4qs8BzxLx5TvqSoyBIHTojhEEsMsNZ68KBKV3sfYTEPX6t8Sg9VgXHUX/A:vsanWY9/oo0Eju3Mk084Asf2EvwgcX
Threatray 496 similar samples on MalwareBazaar
TLSH T17F9512243DFF6119F173BE75AAD470869EAFB673260AD81D289103CB4713B41DE9093A
Reporter abuse_ch
Tags:BitRAT exe RAT


Avatar
abuse_ch
BitRAT C2:
37.120.234.40:1234

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
37.120.234.40:1234 https://threatfox.abuse.ch/ioc/220821/

Intelligence


File Origin
# of uploads :
3
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Taskmgr.exe
Verdict:
Malicious activity
Analysis date:
2021-09-13 03:57:32 UTC
Tags:
trojan bitrat rat

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Creates files in alternative data streams (ADS)
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Powershell Defender Exclusion
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected BitRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 481884 Sample: Taskmgr.exe Startdate: 13/09/2021 Architecture: WINDOWS Score: 100 63 Found malware configuration 2->63 65 Yara detected BitRAT 2->65 67 Yara detected AntiVM3 2->67 69 8 other signatures 2->69 7 Taskmgr.exe 7 2->7         started        11 admin.exe 5 2->11         started        13 admin.exe 2->13         started        process3 dnsIp4 51 C:\Users\user\AppData\Roaming\JVbqguz.exe, PE32 7->51 dropped 53 C:\Users\user\...\JVbqguz.exe:Zone.Identifier, ASCII 7->53 dropped 55 C:\Users\user\AppData\Local\...\tmp9AF0.tmp, XML 7->55 dropped 57 C:\Users\user\AppData\...\Taskmgr.exe.log, ASCII 7->57 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 7->75 77 Adds a directory exclusion to Windows Defender 7->77 16 Taskmgr.exe 2 2 7->16         started        21 powershell.exe 25 7->21         started        23 schtasks.exe 1 7->23         started        25 Taskmgr.exe 7->25         started        79 Injects a PE file into a foreign processes 11->79 27 admin.exe 11->27         started        29 powershell.exe 11->29         started        33 3 other processes 11->33 61 192.168.2.1 unknown unknown 13->61 31 admin.exe 13->31         started        35 2 other processes 13->35 file5 signatures6 process7 dnsIp8 59 37.120.234.40, 1234, 49754, 49755 SECURE-DATA-ASRO Romania 16->59 49 C:\Users\user\AppData\Local:13-09-2021, HTML 16->49 dropped 71 Creates files in alternative data streams (ADS) 16->71 73 Hides threads from debuggers 16->73 37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 29->41         started        43 conhost.exe 33->43         started        45 conhost.exe 35->45         started        47 conhost.exe 35->47         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-13 03:56:08 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:bitrat persistence trojan upx
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
UPX packed file
BitRAT
BitRAT Payload
Unpacked files
SH256 hash:
dfd32d86190bd6fa777815374c68beee8e8312cf9851ed7cc769070d15ffd259
MD5 hash:
9f7757da059481c789a115381ab7256e
SHA1 hash:
d8c41d80805d0660355541cb06cff986ea5cef92
SH256 hash:
ca348a3864b2c99263c7c363c0ea6b4e43b59d51c84fde2ca615c69342b61d27
MD5 hash:
fb4c90d7a08392d032cfc61aa4506bce
SHA1 hash:
edb471e86828e87a500957d3fe38f734fb4ed561
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
76f4e044608832ec9661d3fb83cd7f1a126765f612a16b31fe1eca4e28ca1635
MD5 hash:
9b55e8a78543026b5ae2dc0488c01841
SHA1 hash:
507b08d7e8bb242c39ffcc6ada6a8f838125a95a
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_BitRAT
Author:ditekSHen
Description:Detects BitRAT RAT
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments