MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d4ff559dead8a5bf9f8f1d45f39d12a1f40561f9ad091d3ea5bca2ca45e94c. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 81d4ff559dead8a5bf9f8f1d45f39d12a1f40561f9ad091d3ea5bca2ca45e94c
SHA3-384 hash: d0215c8adc67c70236a7d55da9c034cea6d1bda86156a6b2022c27364bc18bcb419f1a5a3356cf66221855f46b9ad6b1
SHA1 hash: 35246f25a7d0c127cdabdf4051bff0713fcf2f72
MD5 hash: 2b55521caa25ce775f6a0ab0947041e9
humanhash: william-minnesota-kilo-pip
File name:svchost.exe
Download: download sample
File size:1'623'783 bytes
First seen:2025-11-23 09:25:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d41beacc76045fb1924c6d5c7349c25
ssdeep 49152:vE2ivhQs7dLX/JkZ8/+1gFsHLAVxTsphAtsQ:82kQCN/JT/kgFWLa6hdQ
TLSH T1DD75332A36C388F5DE161A3001D56E7589BAD33C15B92026F7E96503ACF1CA1FD6A7C3
TrID 28.5% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter Hexastrike
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
5
Origin country :
IE IE
Vendor Threat Intelligence
Gathering data
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with the shell\open\command registry branches
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context evasive fingerprint overlay overlay packed zusy
Result
Gathering data
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2025-11-18 22:14:36 UTC
File Type:
PE (Exe)
AV detection:
33 of 36 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence upx
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
UPX packed file
Adds Run key to start application
Executes dropped EXE
Modifies system executable filetype association
Boot or Logon Autostart Execution: Active Setup
Verdict:
Malicious
Tags:
Win.Trojan.Ulise-10005646-0
YARA:
n/a
Unpacked files
SH256 hash:
81d4ff559dead8a5bf9f8f1d45f39d12a1f40561f9ad091d3ea5bca2ca45e94c
MD5 hash:
2b55521caa25ce775f6a0ab0947041e9
SHA1 hash:
35246f25a7d0c127cdabdf4051bff0713fcf2f72
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu

File information


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

Comments