MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740
SHA3-384 hash: 68f95756d6d1ee3499b02e172626d72bbc915bf95a2e43cbbd8fa4ff7d589ba54c3cf8a3c2fe2e6010339a4bb785d1a9
SHA1 hash: ab3fda1112cf6a6a60c99956051eb41ee6bc64af
MD5 hash: abd73387345af5b8a31f84064d49c16a
humanhash: wyoming-uranus-oranges-alanine
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:851'968 bytes
First seen:2024-07-21 13:31:02 UTC
Last seen:2024-07-21 15:32:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b28a7df3b3506a3ad155d3f99aa29899 (5 x LummaStealer, 1 x Stealc, 1 x RedLineStealer)
ssdeep 24576:mwAAvw7d1M+irjIFOh0rP71tnrva+qnF9c7B:ilM+irjIFP/rvaBF9c7B
TLSH T10A05BE1239C0803AD77330320A69E77A4BBEF4711B6966DF57D80ABA9F345C15B3225A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Intelligence

File Origin
# of uploads :
19
# of downloads :
354
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Keylogger.Lazy-10031941-0
Create hunting rule

Win.Packed.Injuke-10033459-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669d0d972f6eaff4b90f096c
Tags:
Static
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/669d0d99cbb32227b6a9d3b6/reports/276f9656-e4f6-430c-a4f9-eaa6c5cd1120/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740
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/96dfe45c-a927-4094-85d8-7e6e239b38a4
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477492
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-07-21 13:32:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cna7nq3lnpyg3upq3cavhsbgfwmp37cxi7mjs3velfm5bndv65aa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:default stealer
Link:
https://tria.ge/reports/240721-qsekqasdmg/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2c11b68a-0f98-4fc4-8722-35c0f63a4ed8
Unpacked files
SH256 hash:
e9e8387e07a0b20cd448abc1fb9654c2188de5e10c074e71030c8dda74e5701c
MD5 hash:
55720e0a9651454e20ed2d81d42e738f
SHA1 hash:
af9e4dafa7c8576405932f6bf926c47ed4ebdb5f
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/12b2d524-780b-4321-8d8d-0d1314b4ba07/
Parent samples :
e9e8387e07a0b20cd448abc1fb9654c2188de5e10c074e71030c8dda74e5701c
1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740
SH256 hash:
1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740
MD5 hash:
abd73387345af5b8a31f84064d49c16a
SHA1 hash:
ab3fda1112cf6a6a60c99956051eb41ee6bc64af
Link:
https://www.unpac.me/results/12b2d524-780b-4321-8d8d-0d1314b4ba07/
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/1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740

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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Web download

Stealc

Executable exe 1341f6c36b6bf06dd1f0d88153c8262d98fdfc5747d8996ea45959d0b475f740

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3058171/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::VirtualAllocEx
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
KERNEL32.dll::CreateThreadpoolWork
KERNEL32.dll::CreateThreadpoolTimer
KERNEL32.dll::CreateThreadpoolWait
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

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