MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376. 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


Stealc


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 47 File information Comments
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SHA256 hash: 8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376
SHA3-384 hash: e130fd3e12b0926a1c5e7d7edd307f07daaff3960a0a83d3c2e3e1d488dd2b4cbd669f86974ce576adb268b397a802fd
SHA1 hash: 1fb19f7c9f9281329e03c4df9e9b40b4b02f6683
MD5 hash: 6f4b4c68c7559482e0fc2f60fccedf0f
humanhash: march-sixteen-happy-papa
File name:stable.zip
Download: download sample
Signature Stealc
Create hunting rule
File size:1'517'943 bytes
First seen:2026-02-03 03:06:46 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 24576:cVz2yQ0ocyjQ6pn/G4zA/EAgG+lJkl0QtSGdB+rbWDKNX0fldCZR:mz2yQtE6pneT/EPZJkq6SGz+rbWKNE9q
TLSH T1C56533E15C2CD90448807A6E21BF7D15F3672A7F4A757A33FB9CB5386A4182F8ADC211
Magika zip
Reporter skocherhan
Tags:144-31-166-169 178-16-53-17 shieldguardvpn-pro Stealc zip


Avatar
skocherhan
https://shieldguardvpn.pro/vpn/updates/stable.zip

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://178.16.53.17/6a62807f4d61401b.php https://threatfox.abuse.ch/ioc/1740515/

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
GB GB
File Archive Information

This file archive contains 3 file(s), sorted by their relevance:

File name:System.ValueTuple.dll
File size:78'992 bytes
SHA256 hash: e4774aead2793f440e0ced6c097048423d118e0b6ed238c6fe5b456acb07817f
MD5 hash: 8c9424e37a28db7d70e7d52f0df33cf8
MIME type:application/x-dosexec
Signature Stealc
File name:ShieldGuardVPN.exe
File size:26'112 bytes
SHA256 hash: 25208c9d8eb729c991d0b9ed5e48622b2dd1090b7a81f7f30d0627dd1e47e4a2
MD5 hash: 632fefa28ba246fe2027e802acfb4ee0
MIME type:application/x-dosexec
Signature Stealc
File name:service.exe
File size:5'398'144 bytes
SHA256 hash: f5558153c2b08cf60283e923479bab91b5de7c1fdd2810e259c7754e97fc1abf
MD5 hash: 76565275b37afedf37d01a80121ae298
MIME type:application/x-dosexec
Signature Stealc
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6d926124-28e1-408f-a63b-deb7a61cbe9d/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69814fd84cec271dd70545b2
Tags:
injection emotet obfusc crypt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69816674981ff1d38a45d05b/reports/9a5e0857-4eef-4f14-9a0b-906150c016d7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
zip
Link:
https://opentip.kaspersky.com/8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376/results?tab=lookup
Score:
65%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.20 SOS: 0.26 Zip Archive
Link:
https://app.malva.re/file/6f4b4c68c7559482e0fc2f60fccedf0f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376/
Threat name:
Win64.Trojan.WingoObfus
Create hunting rule
Status:
Malicious
First seen:
2026-02-02 22:06:57 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q4b3jqe3xp32iqiiy5adaducxoikbabtch7dabmeq56wzaz7on3a._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:ad01 discovery spyware stealer
Link:
https://tria.ge/reports/260203-gxcggsd17h/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
http://178.16.53.17
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/8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376

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:Any_SU_Domain
Create hunting rule
Author:you
Description:Detect any reference to .su domains or subdomains
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Golang_Binary
Create hunting rule
Author:Andrew Morrow
Description:Detects binaries compiled with Go
Rule name:extracted_at_0x44b
Create hunting rule
Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:goLangMatch3
Create hunting rule
Rule name:goLangMatch4
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

9bfe33ed4585724c40f039600fcb0e8c

Stealc

zip 8703b4c09bbbf7a44108c740300e82bb90a0803311fe300584877d6c833f7376

(this sample)

  
Dropped by
MD5 9bfe33ed4585724c40f039600fcb0e8c

Comments