MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a39fab85bd81175a94c5954154a54704284cd30472ba6a2cf1d93e914984de56. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: a39fab85bd81175a94c5954154a54704284cd30472ba6a2cf1d93e914984de56
SHA3-384 hash: c4a63e915f581377bc3c674b2343afb72c93d15fa75b4383c8b06e1d9ecfa148fc3d080cd4907f36693251a9b679ee6e
SHA1 hash: 9f877aec6f8f9c1f08c15894839a7e5a33fa7ba8
MD5 hash: 19c89466288920fe460758dcb48a5319
humanhash: india-earth-eleven-seven
File name:svchost.exe
Download: download sample
File size:819'247 bytes
First seen:2025-11-23 09:27:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dffaeb4de0f0899dcc332737abce907 (1 x Simda)
ssdeep 12288:otKe6Zv23YnTjp0Wn91PsXeYmJMkaLqGDtlTwSDcnU:K6Zv2KOWnLhGDjwSgU
TLSH T17D05122376C589F2C4421530025BBBB4CEBBE8782B22E417B7DC17676C69854EB37A46
TrID 30.2% (.EXE) Win64 Executable (generic) (10522/11/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4504/4/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Hexastrike
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
16
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost.exe
Verdict:
Suspicious activity
Analysis date:
2025-11-23 17:39:12 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm evasive fingerprint overlay overlay packed packed upx
Result
Gathering data
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Malex
Status:
Malicious
First seen:
2025-11-22 19:41:00 UTC
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry class
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:
a39fab85bd81175a94c5954154a54704284cd30472ba6a2cf1d93e914984de56
MD5 hash:
19c89466288920fe460758dcb48a5319
SHA1 hash:
9f877aec6f8f9c1f08c15894839a7e5a33fa7ba8
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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Comments