MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f651879bbfa8ed9b6189c0264d24051bd7e194d6bed20feb2f8ec961beb9fd1e. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: f651879bbfa8ed9b6189c0264d24051bd7e194d6bed20feb2f8ec961beb9fd1e
SHA3-384 hash: e8cdc379ab1def967fc6f190126a46727358e623c47582962a192ee81baed7a23f208d69cd61893cbfad0803b7cd8b58
SHA1 hash: 9dbe712328bb8849024eea2ce7d778373ef584bc
MD5 hash: c10a7d7b890a3f12d329492c7924fb03
humanhash: ten-lima-yankee-victor
File name:svchost.exe
Download: download sample
Signature Simda
File size:134'144 bytes
First seen:2025-11-23 09:32:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ec179fea3ba0cfb69d21d330597a106 (5 x Simda)
ssdeep 3072:zTJXLESylV534DNujdXwtrUHioF92L59QvPJvzxsx8ME:ztXLESuV5I5ujNHioajQHxzn
Threatray 65 similar samples on MalwareBazaar
TLSH T1ABD3124CAB6174B3E65203399BBF7DD539389DA6480D1C420A7F24773B655B38208DB7
TrID 34.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
34.1% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
8.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Hexastrike
Tags:exe Simda

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
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 22:12:25 UTC
Tags:
upx

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
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Moving of the original file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug banker microsoft_visual_cc packed packed packed shifu shiz 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.Backdoor.Simda
Status:
Malicious
First seen:
2025-11-23 09:03:46 UTC
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
UPX packed file
Modifies WinLogon
Executes dropped EXE
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
Win.Trojan.Simda-10002732-0
YARA:
n/a
Unpacked files
SH256 hash:
f651879bbfa8ed9b6189c0264d24051bd7e194d6bed20feb2f8ec961beb9fd1e
MD5 hash:
c10a7d7b890a3f12d329492c7924fb03
SHA1 hash:
9dbe712328bb8849024eea2ce7d778373ef584bc
SH256 hash:
43dc0bc494dfe893c01b2977a9b4a588472860510d6dd8e9aed96ff7b5e4094b
MD5 hash:
acda62b95a72e9a065b9fe6afbf9a507
SHA1 hash:
02d0d308998120e1cb5a5ebaa051c78d25c18ddf
Detections:
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: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