MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e
SHA3-384 hash: 421da4ff4f65cfbd6932278bb69e7c1a6f490abcae4a8ff9f6b468baf03cff2c7f8495367eb04e6777594dffe5a47cac
SHA1 hash: 24f1c3f2bd6b6dc50eba24d1dec9465c135e6a63
MD5 hash: a4e55b134fe1f35e2c86ddefc420c840
humanhash: wyoming-nineteen-mockingbird-social
File name:a4e55b134fe1f35e2c86ddefc420c840.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:30'056 bytes
First seen:2024-02-04 19:30:20 UTC
Last seen:2024-02-04 21:40:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 768:plOpnqjUI/I7ss4TufgvF9YiOIz4dEFiRm:nO0s4Tufgvvlxz8ei
TLSH T1FDD26C2573EC0722D8FF0B389DB725212B70B2176A05C96E2DD9848B4D77FE01A11B27
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe signed Stealc

Code Signing Certificate

Organisation:file inc
Issuer:file inc
Algorithm:sha256WithRSAEncryption
Valid from:2024-02-04T18:41:24Z
Valid to:2025-02-04T18:41:24Z
Serial number: 586bfe091f58ce2be4b9c95303f10959
Thumbprint Algorithm:SHA256
Thumbprint: dc34af3c4fa389adf67ed2bff92ac0fa06f74d68e58d406c00eb092c9e64466c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
Stealc C2:
http://185.172.128.79/3cd2b41cbde8fc9c.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
339
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/474533/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.18905.21242.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive overlay packed
Link:
https://www.filescan.io/uploads/65bfe5f619fc380914209015/reports/0baa88c7-faf1-4478-b877-70fb7b5a24dd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/661fa181-8af7-4e7e-bb86-efe3b3da85c9
Result
Threat name:
lgoogLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1386391
Signature
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contain functionality to detect virtual machines
Contains functionality to infect the boot sector
Contains functionality to inject code into remote processes
Disables UAC (registry)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected lgoogLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
23%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e/
Threat name:
ByteCode-MSIL.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-02-04 19:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnjp6mpr4pxlc64my37fvi2u7z4hxf4br4y75rogasewg3lcuvha._file
Verdict:
unknown
Result
Malware family:
lgoogloader
Create hunting rule
Score:
  10/10
Tags:
family:lgoogloader downloader evasion trojan
Link:
https://tria.ge/reports/240204-x8cjmahbc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
Windows security modification
Detects LgoogLoader payload
LgoogLoader
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e
MD5 hash:
a4e55b134fe1f35e2c86ddefc420c840
SHA1 hash:
24f1c3f2bd6b6dc50eba24d1dec9465c135e6a63
Link:
https://www.unpac.me/results/5a37605b-7af1-487c-886f-68a2eca33715/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_VMProtect
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Stealc

Executable exe 2b52ff31f1e3eeb17b8cc6fe5aa354fe787b97818f31fec5c60489636d62a54e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2754067/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/474533/

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