MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c
SHA3-384 hash: 375db8353f83928215ebea14081c03d6e0c831ca85d2951c97742520648d23abf7467d20e7e5d8a08b757a10a7eecb6b
SHA1 hash: 23f27d57676eb69119973110379f848fcfaeb0e5
MD5 hash: c64f388ae7f748007e241cef61689840
humanhash: alabama-bulldog-magazine-oklahoma
File name:svchost.exe
Download: download sample
Signature Simda
Create hunting rule
File size:250'906 bytes
First seen:2025-11-23 09:22:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 70527f2eb8f7c61d13b2009a3286b536 (12 x Simda)
ssdeep 6144:F7HI/0S6GcV6yabg0OLe//fRD/uzc+8fJpgY08gA:pH6b6GcV6wq/fJ/rDfJpgYEA
TLSH T12034120FBB010F93D9B75E7BD8F2DF156A366087AF66C36F9B3010400E82682795B995
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 :
14
Origin country :
IE IE
Vendor Threat Intelligence
Detection:
Simda
Create hunting rule
Link:
https://www.capesandbox.com/analysis/40394/
Detection(s):
Win.Trojan.Shiz-2730
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6922db01140de26f6c2c9027
Tags:
emotet simda
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP POST request
Creating a file in the %temp% directory
Sending a custom TCP request
Moving of the original file
Enabling autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint installer-heuristic overlay packed
Link:
https://www.filescan.io/uploads/6922d7b0eecb08e4aa459dd9/reports/e7a3be36-0741-4447-ab80-c69ca2026c4e/overview
Verdict:
Malicious
Labled as:
Trojan.Shiz
Link:
https://www.hybrid-analysis.com/sample/4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c
Result
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/c64f388ae7f748007e241cef61689840
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c/
Threat name:
Win32.Infostealer.Simda
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 15:40:29 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7kxzgep2f5vucenf2yql6r6ydpulzyyfb5uodw762ocmzx5e6ga._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/251123-lq7q9sykgm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Modifies WinLogon
Executes dropped EXE
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
Win.Trojan.Shiz-2730
YARA:
n/a
Link:
https://app.threat.zone/submission/010511ac-e090-45a0-b358-5a220e7088a1
Unpacked files
SH256 hash:
a055634bea21a91f8f16b3c45a6817f6d2ced62012a894189561a38427409e7e
MD5 hash:
c90bf5860ec934787484abe5991c5f53
SHA1 hash:
c038079e4be1986818515c50733eea00bcfc7672
Detections:
Simda
Create hunting rule
MALWARE_Win_Simda
Create hunting rule
Link:
https://www.unpac.me/results/494fc8b9-df0c-41eb-b0dc-d2896326daf7/
SH256 hash:
137a4007392a58abb493d4f1035ac4d6d894d4f44ffa4d95cbebc13b948c0f45
MD5 hash:
f176f326210b0ed373602211b452a5ec
SHA1 hash:
4dbc0b9145012606d2fa9429220dc7fd6b0b1921
Detections:
Simda
Create hunting rule
MALWARE_Win_Simda
Create hunting rule
Link:
https://www.unpac.me/results/494fc8b9-df0c-41eb-b0dc-d2896326daf7/
Parent samples :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 hash:
e71db0672ff61df256f51ba11daf206c1664b3b48717a44c6de9548165c8f3d2
MD5 hash:
7212d202b9ca2128ba9103248359ff1b
SHA1 hash:
9e2714ef4cda285fb508ab46a398a40677c53e46
Detections:
Simda
Create hunting rule
MALWARE_Win_Simda
Create hunting rule
Link:
https://www.unpac.me/results/494fc8b9-df0c-41eb-b0dc-d2896326daf7/
Parent samples :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 hash:
4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c
MD5 hash:
c64f388ae7f748007e241cef61689840
SHA1 hash:
23f27d57676eb69119973110379f848fcfaeb0e5
Link:
https://www.unpac.me/results/494fc8b9-df0c-41eb-b0dc-d2896326daf7/
Malware family:
Shifu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fd57c988fd1/report/overview.html
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/4fd57c988fd17b5a088d2eb105fa3ec0df45e718287b470edff69c2666fd278c

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:MALWARE_Win_Simda
Create hunting rule
Author:ditekShen
Description:Detects Simda / Shifu infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Windows_Trojan_Zeus_e51c60d7
Create hunting rule
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

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/40394/

Comments