MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f3a2d89485bb40ea45e5fa1f24828f71a81ef4ccc541b6657fc7a861ef3add. 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



GLOBAL


Vendor detections: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: 55f3a2d89485bb40ea45e5fa1f24828f71a81ef4ccc541b6657fc7a861ef3add
SHA3-384 hash: 0a69d3fe3e623a01e7e8329654639d1ee00f514b65d64b29ebe12fb32b857d5085de7f2669d17979ae2cfe6988de7e3c
SHA1 hash: 41368619f68009cbfa41da369602e1c98f712eb2
MD5 hash: e07a31636d8b705054cfaf2ec1c05edb
humanhash: early-massachusetts-sodium-burger
File name:file
Download: download sample
Signature GLOBAL
File size:240'128 bytes
First seen:2026-01-05 13:01:01 UTC
Last seen:2026-01-06 17:08:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 934cf7ece072cb192e6f1696c5852040 (34 x GLOBAL)
ssdeep 6144:nMQQtXosqtZFnEsPB5TWAZ1OaHjdbOu9/H9:MQQBMLEi+AVT/H9
Threatray 6 similar samples on MalwareBazaar
TLSH T157347C30BBD28431F5B75A721979A7764C3E38270B31DACF9790096AE9306C18B35B76
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:dropped-by-phorpiex exe global


Avatar
Bitsight
url: http://178.16.54.109/lfuck.exe

Intelligence


File Origin
# of uploads :
30
# of downloads :
124
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_55f3a2d89485bb40ea45e5fa1f24828f71a81ef4ccc541b6657fc7a861ef3add.exe
Verdict:
Malicious activity
Analysis date:
2026-01-05 13:04:16 UTC
Tags:
smb mamona ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a process with a hidden window
Сreating synchronization primitives
Running batch commands
Launching a service
Creating a file
Changing a file
Modifies multiple files
Connection attempt
DNS request
Network activity
Launching a process
Forced shutdown of a system process
Creating a file in the mass storage device
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd devman dotnet evasive filecoder fingerprint global hacktool lolbin mamona microsoft_visual_cc mpcmdrun msbuild ransomware schtasks veeam
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-05T10:09:00Z UTC
Last seen:
2026-01-05T11:59:00Z UTC
Hits:
~10
Detections:
Trojan-Ransom.Win32.Agent.sb Trojan.Win32.DelShad.sb Trojan.Win32.Agent.sb HEUR:Trojan-Ransom.Win64.Generic HEUR:Trojan-Ransom.Win32.Generic Trojan-Ransom.Win64.Agent.mona Trojan-Ransom.Win32.Encoder.sb PDM:Trojan.Win32.Generic
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Trojan-Ransom.Win32.Encoder
Threat name:
Win32.Ransomware.BlackLock
Status:
Malicious
First seen:
2026-01-05 13:01:21 UTC
File Type:
PE (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Sets desktop wallpaper using registry
Enumerates connected drives
Renames multiple (154) files with added filename extension
Unpacked files
SH256 hash:
55f3a2d89485bb40ea45e5fa1f24828f71a81ef4ccc541b6657fc7a861ef3add
MD5 hash:
e07a31636d8b705054cfaf2ec1c05edb
SHA1 hash:
41368619f68009cbfa41da369602e1c98f712eb2
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in ransomware
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Web download

GLOBAL

Executable exe 55f3a2d89485bb40ea45e5fa1f24828f71a81ef4ccc541b6657fc7a861ef3add

(this sample)

  
Dropped by
Phorpiex
  
Delivery method
Distributed via web download

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