MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8ef0f37c7fb7ee8292ea7f521b4f3253886c3ee11971a605dd4c74affa60b3e. 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 2 File information Comments

SHA256 hash: c8ef0f37c7fb7ee8292ea7f521b4f3253886c3ee11971a605dd4c74affa60b3e
SHA3-384 hash: 695518bd5e3e5569b49a1907785601cd9deaf5d816449f4376ab7927521ea25518a02fab16d52df7f876d43e0e5af3e4
SHA1 hash: 46345fa907b785bd7b7a5e792e06a848a1f7dd07
MD5 hash: f8be611a8387dfa2baa5f3d95c5bced7
humanhash: quebec-black-kansas-item
File name:svchost.exe
Download: download sample
File size:357'376 bytes
First seen:2025-11-23 09:30:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 37a4945d30179cbd2179cefbdc8587ec
ssdeep 3072:Ca/VTQzSi0N5KEbK4y6UvcZSeNH4mEz6DfIGhPUX:3VTQzSie5KAK4y6UvcZSeNH49qQQ
Threatray 1 similar samples on MalwareBazaar
TLSH T178747D1A95128175F4F4253065FE3A6A2DAE7E7413CD28E337907E8D68B02E236391DF
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Hexastrike
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
20
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost.exe
Verdict:
No threats detected
Analysis date:
2025-11-23 21:29:53 UTC
Tags:
n/a

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

Behaviour
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Сreating synchronization primitives
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Moving of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm explorer lolbin microsoft_visual_cc packed
Result
Gathering data
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Threat name:
Win32.Ransomware.REvil
Status:
Malicious
First seen:
2025-11-22 04:21:05 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Modifies WinLogon
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Trojan.Banker-13589
YARA:
n/a
Unpacked files
SH256 hash:
9017b5f83fe61913db1829b777724402252ae0c75f8eedd203919b9a6e1b4ecf
MD5 hash:
eeeef56cebfa888413a1f7dc7544ecad
SHA1 hash:
28c48ea0adb9acc65d6aefa88b08a3bc5c363fe6
SH256 hash:
13c506aed539de53b0a148c2ae37af4a19541eaa9066ac4c41ef07cc9563aef4
MD5 hash:
cf48348332edbcbd821eb1be0b37a933
SHA1 hash:
ce657f61fe59a0da00b606929060e166d343671d
SH256 hash:
c8ef0f37c7fb7ee8292ea7f521b4f3253886c3ee11971a605dd4c74affa60b3e
MD5 hash:
f8be611a8387dfa2baa5f3d95c5bced7
SHA1 hash:
46345fa907b785bd7b7a5e792e06a848a1f7dd07
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Comments