MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f6d10b78e423ffcfacabe30923900a07427031bdbf2a55a59363d516e5a6cb0. 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



Simda


Vendor detections: 12


Intelligence 12 IOCs YARA 10 File information Comments

SHA256 hash: 8f6d10b78e423ffcfacabe30923900a07427031bdbf2a55a59363d516e5a6cb0
SHA3-384 hash: b70d858de20d9f51dd1e2b0fbc4a78ca2b5726bf5d6012ee38fe40d3d55df37626441c4ebc4be860436e28d6c466d363
SHA1 hash: 3ebaba06d0d197d03feb8625e1888bf72ee41cca
MD5 hash: e90c2eabb83b3e5c835f5c8fb5366121
humanhash: florida-quebec-nitrogen-venus
File name:svchost.exe
Download: download sample
Signature Simda
File size:664'480 bytes
First seen:2025-11-23 09:26:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3b42f9693bdd770281b738cfac146ecf (2 x Simda)
ssdeep 3072:p1g2ZB+GEhO118/bPyKxM4QTJt2cWGsNPKisJoyjK7yGAe9Q0enyU8GZqaP+wPm/:HhYzxMlNNsAisDRGAL0eyUBnPrPOn
TLSH T180E41252E8971D32D0C6027B46FEB71263749D6913BEC4ABDE106E28ACB7460B970F19
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Hexastrike
Tags:exe Simda

Intelligence


File Origin
# of uploads :
1
# of downloads :
13
Origin country :
IE IE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Searching for the anti-virus window
Moving of the original file
Query of malicious DNS domain
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypt fingerprint packed xpack
Result
Gathering data
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2025-11-23 03:35:05 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 36 (75.00%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Modifies WinLogon
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Trojan.Shiz-10037731-0
YARA:
n/a
Unpacked files
SH256 hash:
8f6d10b78e423ffcfacabe30923900a07427031bdbf2a55a59363d516e5a6cb0
MD5 hash:
e90c2eabb83b3e5c835f5c8fb5366121
SHA1 hash:
3ebaba06d0d197d03feb8625e1888bf72ee41cca
SH256 hash:
2535a531a4d3b7bba3392dc64f1c283e7b21e34a5a20078b58b699b2a692290a
MD5 hash:
5b01f6ac6c70bdf707dee8d40d4f7a69
SHA1 hash:
5271473eb9e2d1755d8ae2f1ff4252fc6f151dcf
Detections:
win_simda_auto win_simda_g1 win_simda_g0 Simda MALWARE_Win_Simda
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:MALWARE_Win_Simda
Author:ditekShen
Description:Detects Simda / Shifu infostealer
Rule name:NET
Author:malware-lu
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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)
Rule name:Windows_Trojan_Zeus_e51c60d7
Author:Elastic Security
Description:Detects strings used in Zeus web injects. Many other malware families are built on Zeus and may hit on this signature.
Reference:https://www.virusbulletin.com/virusbulletin/2014/10/paper-evolution-webinjects
Rule name:win_simda_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.simda.

File information


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

Comments