MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674. 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


StealeriumStealer


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674
SHA3-384 hash: 09954ca9e5c4d8816144154d69f1f2272de5b95406c59b30fd04493bfa90ced05ab1feb1ff99252dfb17227fe450f5e3
SHA1 hash: c613222116f9d5699ede70e01d2677451c15dfc9
MD5 hash: 0b272c22bd152af22449cf06eb95b3a4
humanhash: early-equal-oregon-artist
File name:KIM.ps1
Download: download sample
Signature StealeriumStealer
Create hunting rule
File size:28'828 bytes
First seen:2025-03-19 13:16:02 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 768:fQKQF8j9zVh0qb1U2sF0Dt0g9ffjyMtckEZmO9RSSney:ovqzQqPsCt0g9ffjyMmky9MSney
TLSH T1C0D25A722603FDD7777B1E84E4C43A684E9C743B2B1889DCFEC90A9911A6510DF69C78
Magika powershell
Reporter JAMESWT_WT
Tags:176-65-144-3 ps1 StealeriumStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67daca009388e75d078ea00b
Tags:
extens virus msil
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
dropper obfuscated obfuscated
Link:
https://www.filescan.io/uploads/67dac3a101edd28374b47ed2/reports/6ba4e4ae-c165-425a-b168-226d9b1273fd/overview
Verdict:
Malicious
Labled as:
Trojan[Dropper]/Agent.a
Link:
https://www.hybrid-analysis.com/sample/a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674
Result
Verdict:
MALICIOUS
Result
Threat name:
Stealerium
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1643090
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Powershell drops PE file
Sample uses string decryption to hide its real strings
Yara detected Costura Assembly Loader
Yara detected Stealerium
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1643090 Sample: KIM.ps1 Startdate: 19/03/2025 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Yara detected Stealerium 2->44 46 4 other signatures 2->46 7 powershell.exe 16 2->7         started        11 svchost.exe 1 1 2->11         started        14 notepad.exe 5 2->14         started        process3 dnsIp4 30 C:\Users\user\AppData\...\ASDTATSATUIAS.exe, PE32 7->30 dropped 48 Found suspicious powershell code related to unpacking or dynamic code loading 7->48 50 Powershell drops PE file 7->50 16 ASDTATSATUIAS.exe 15 3 7->16         started        20 conhost.exe 7->20         started        34 127.0.0.1 unknown unknown 11->34 file5 signatures6 process7 dnsIp8 32 176.65.144.3, 49683, 80 PALTEL-ASPALTELAutonomousSystemPS Germany 16->32 36 Antivirus detection for dropped file 16->36 38 Injects a PE file into a foreign processes 16->38 22 svchost.exe 2 16->22         started        24 ASDTATSATUIAS.exe 16->24         started        26 ASDTATSATUIAS.exe 16->26         started        28 3 other processes 16->28 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674/
Threat name:
Win32.Exploit.Stealerium
Create hunting rule
Status:
Malicious
First seen:
2025-03-19 13:05:09 UTC
File Type:
Text (PowerShell)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uyz4tb5sdwj5cgfxagirhbvyki4uzyvr7i4l57ljpd7jnsq32z2a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250319-qhvh7awzhv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
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/a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674

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:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Create hunting rule
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639

File information

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

Web download

StealeriumStealer

PowerShell (PS) ps1 a633c987b21d93d118b701911386b852394ce2b1fa38befd6978fe96ca1bd674

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3482374/
  
Delivery method
Distributed via web download

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