MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dc1691f86f99af947d8056784c28458396821c4b1ce288e8e2a882b0585304e. 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



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 8dc1691f86f99af947d8056784c28458396821c4b1ce288e8e2a882b0585304e
SHA3-384 hash: cad25381ebf56249bee091e6a37d0028df85c535e59a2376919658f7ea6ff689dd3b99677d7a1717c4dd1bc2cb8f0585
SHA1 hash: d4d763fee93cfcad50de15d504859430112ba46c
MD5 hash: befc09ab8f7d8c54aa84be25187ede6d
humanhash: chicken-island-july-wolfram
File name:befc09ab8f7d8c54aa84be25187ede6d.exe
Download: download sample
File size:13'312 bytes
First seen:2022-12-17 08:12:44 UTC
Last seen:2022-12-17 09:40:27 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 192:EfU1DZomx9LIZfcM4y5L2qxw11rxhlcx02OEPwV7TrpJ:EfU1tSfp4y5SqxwPrxhlu02OEP0
Threatray 3'298 similar samples on MalwareBazaar
TLSH T18452B6073348E87DC96E4F328847C7E02B28BE117E96CF1B36906B0F6D76755A962253
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 80caa6f232fabcbe
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
befc09ab8f7d8c54aa84be25187ede6d.exe
Verdict:
Malicious activity
Analysis date:
2022-12-17 08:18:13 UTC
Tags:
n/a

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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request to an infection source
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
obfuscated packed
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Snort IDS alert for network traffic
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 769239 Sample: 17Fmc3p1ku.exe Startdate: 18/12/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 7 17Fmc3p1ku.exe 16 7 2->7         started        12 pscp.exe 14 3 2->12         started        14 pscp.exe 2 2->14         started        process3 dnsIp4 36 85.209.134.86, 49714, 49719, 49721 CMCSUS Germany 7->36 28 C:\Users\user\AppData\Roaming\...\pscp.exe, PE32 7->28 dropped 30 C:\Users\user\...\pscp.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\...\17Fmc3p1ku.exe.log, ASCII 7->32 dropped 50 Encrypted powershell cmdline option found 7->50 52 Writes to foreign memory regions 7->52 54 Injects a PE file into a foreign processes 7->54 16 AppLaunch.exe 2 7->16         started        20 powershell.exe 14 7->20         started        56 Multi AV Scanner detection for dropped file 12->56 58 Machine Learning detection for dropped file 12->58 22 powershell.exe 12->22         started        file5 signatures6 process7 dnsIp8 34 179.43.155.202, 49723, 49724, 49725 PLI-ASCH Panama 16->34 38 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 16->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->40 24 conhost.exe 20->24         started        26 conhost.exe 22->26         started        signatures9 process10
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2022-12-16 12:30:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Unpacked files
SH256 hash:
8dc1691f86f99af947d8056784c28458396821c4b1ce288e8e2a882b0585304e
MD5 hash:
befc09ab8f7d8c54aa84be25187ede6d
SHA1 hash:
d4d763fee93cfcad50de15d504859430112ba46c
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:AsyncRat_Detection_Dec_2022
Author:Potatech
Description:AsyncRat
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Web download

Executable exe 8dc1691f86f99af947d8056784c28458396821c4b1ce288e8e2a882b0585304e

(this sample)

  
Delivery method
Distributed via web download

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