MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1
SHA3-384 hash: 459c50d8676762b70a2c1fb436d6253f5a8ead42494d2a316d28caec78de29ff13349a56039a50133eb31eb3338df13a
SHA1 hash: 78d6e724491efc99d42d38efc5b5eab1059241a9
MD5 hash: 5c973b513727eff17b422c14c3b04da7
humanhash: colorado-beryllium-robert-monkey
File name:svchost.exe
Download: download sample
Signature Simda
Create hunting rule
File size:364'032 bytes
First seen:2025-11-23 09:22:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 173abfa8f7d7adac2a90a2e42625b7d9 (27 x Simda, 6 x GuLoader)
ssdeep 6144:c3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TS:XmWhND9yJz+b1FcMLmp2ATTS
TLSH T1C8748D21F1C1C039E4F5157196FF395B246C69B64B2838E7E7986EC928740F27A3C28B
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Hexastrike
Tags:exe Simda

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
Origin country :
IE IE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40397/
Detection(s):
Win.Trojan.Shiz-9885535-0
Create hunting rule

Win.Trojan.Shiz-9949267-0
Create hunting rule

Win.Trojan.Shiz-10036062-0
Create hunting rule

Win.Trojan.Generic-6323528-0
Create hunting rule

Win.Trojan.Shiz-2575
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6922db15140de26f6c2c9064
Tags:
vmdetect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Searching for the anti-virus window
Moving of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 evasive explorer hacktool lolbin microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6922d7c16c89728b9825ea25/reports/b138c079-640a-4c5b-b129-e99d36e77903/overview
Verdict:
Malicious
Labled as:
Dacic.4629.Generic
Link:
https://www.hybrid-analysis.com/sample/504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1
Result
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Link:
https://app.malva.re/file/5c973b513727eff17b422c14c3b04da7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1/
Threat name:
Win32.Backdoor.Simda
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 02:50:31 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kbcalx7rr2st5o6xxcgcv2qjqttzfoqzmdfls7z3isrjcgkqewyq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/251123-lref4sykhl/
Behaviour
Suspicious behavior: EnumeratesProcesses
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:
stealer simda Win.Trojan.Shiz-9885535-0
YARA:
win_simda_auto
Link:
https://app.threat.zone/submission/152d2bd2-7c12-41b9-b36e-60d61c3c4317
Unpacked files
SH256 hash:
504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1
MD5 hash:
5c973b513727eff17b422c14c3b04da7
SHA1 hash:
78d6e724491efc99d42d38efc5b5eab1059241a9
Detections:
win_simda_auto
Create hunting rule
win_simda_g1
Create hunting rule
Simda
Create hunting rule
Link:
https://www.unpac.me/results/be45b293-582c-4f41-8567-0c348bd8c0bf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/504405dff18ea53ebbd7b88c2aea0984e792ba1960cab97f3b44a291195025b1

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:Check_FindWindowA_iat
Create hunting rule
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win_simda_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/40397/

Comments