MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436
SHA3-384 hash: 1204370e163895b92c159fcece9742ba80a7ae9acfebda89bacd2aac66ecec15af76a5ed88959bf8b83c7ee08cc0babc
SHA1 hash: 979f26a93dc6ea53c9122e2049c3ab7d057595d4
MD5 hash: ec21238594c74d51a037b4bedec3ef31
humanhash: east-william-saturn-pasta
File name:ec21238594c74d51a037b4bedec3ef31.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:686'080 bytes
First seen:2024-11-07 21:35:09 UTC
Last seen:2024-11-07 23:22:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a1d9a9442e58ba34f06489dca0927010 (2 x Stealc)
ssdeep 12288:As0LvNMLanIX9l9EIS2OUQ9p80QlKG0tjVy/pRDfC3tfhlSQE:L0LvVnG9l9EIXBQFur05VSpRDfutffr
TLSH T101E4E10253F26C16FBBB7A319E3986E4E72FB6629D69727D1124373F08702A1D612713
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10522/11/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 12716c4cf4c4c4c4 (8 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://95.215.204.182/4d3324bde875e159.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://95.215.204.182/4d3324bde875e159.php https://threatfox.abuse.ch/ioc/1343055/

Intelligence

File Origin
# of uploads :
2
# of downloads :
410
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ec21238594c74d51a037b4bedec3ef31.exe
Verdict:
Malicious activity
Analysis date:
2024-11-07 21:52:16 UTC
Tags:
stealer stealc loader rust
Link:
https://app.any.run/tasks/832b2451-abbc-424f-8596-440b0ae0d1e4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Azorult.2187.21542.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672d32c3a5bee3c9d42ba3af
Tags:
powershell cobalt lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/672d32c34420f9e472fa22f4/reports/35d6c3ec-56f8-4022-91a1-a3b78f9583cd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/692409cc-7107-4479-b5bf-a60c6dac7b0d
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1551641
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1551641 Sample: 8M4DsnNkuP.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 7 8M4DsnNkuP.exe 17 2->7         started        12 msedge.exe 8 2->12         started        process3 dnsIp4 38 95.215.204.182, 49704, 49735, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 7->38 40 127.0.0.1 unknown unknown 7->40 32 C:\ProgramData\chrome.dll, PE32 7->32 dropped 56 Detected unpacking (changes PE section rights) 7->56 58 Detected unpacking (overwrites its own PE header) 7->58 60 Attempt to bypass Chrome Application-Bound Encryption 7->60 62 3 other signatures 7->62 14 msedge.exe 2 10 7->14         started        17 chrome.exe 8 7->17         started        20 WerFault.exe 19 16 7->20         started        23 msedge.exe 12->23         started        file5 signatures6 process7 dnsIp8 64 Monitors registry run keys for changes 14->64 25 msedge.exe 14->25         started        34 192.168.2.5, 443, 49703, 49704 unknown unknown 17->34 36 239.255.255.250 unknown Reserved 17->36 27 chrome.exe 17->27         started        30 C:\ProgramData\Microsoft\...\Report.wer, Unicode 20->30 dropped file9 signatures10 process11 dnsIp12 42 www.google.com 142.250.185.100, 443, 49708, 49711 GOOGLEUS United States 27->42 44 play.google.com 142.250.186.46, 443, 49725, 49737 GOOGLEUS United States 27->44 46 2 other IPs or domains 27->46
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-11-07 21:36:04 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xexrvyyb57axrqmixy3s3cp5nqi45dx33oq3njs3p7bmwtmpoq3a._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
shellcode_loader_002
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:logsdiller credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241107-1fwnks1qep/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://95.215.204.182
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0f77638e-8f23-4f65-8aad-44ce43f26d41
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/abc7d801-04f9-4297-90c5-47c134ceab09/
SH256 hash:
cea91990b30ad71000549680820e104a5dac11fd95d006c482c49aab272b29e6
MD5 hash:
a25a0e2fa6cae920e64e99592dfedbbe
SHA1 hash:
01bec2fa9a865feb9e8b84fee3f4088f0b2b98ec
Detections:
stealc
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/abc7d801-04f9-4297-90c5-47c134ceab09/
Parent samples :
6c22ef093091ac0f66d3cccf5f29ab2e32abc63f816d430972a6b2e1c2dcca32
24b3ce27da78edae630316dc79c7a64d12e6a6dd06643d5141890c6763daa10a
b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436
SH256 hash:
b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436
MD5 hash:
ec21238594c74d51a037b4bedec3ef31
SHA1 hash:
979f26a93dc6ea53c9122e2049c3ab7d057595d4
Link:
https://www.unpac.me/results/abc7d801-04f9-4297-90c5-47c134ceab09/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b92f1ae301ef/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/b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436

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:DebuggerCheck__API
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.

Web download

Stealc

Executable exe b92f1ae301efc178c188be372d89fd6c11ce8efbdba1b6a65b7fc2cb4d8f7436

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3243375/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3272322/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleCursorPosition
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileW

Comments