MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547
SHA3-384 hash: bfafe5200e0ad259ee6c69becd645cb6a22d93ae85180d0afa3d05b0335a1ae560dc0e2ae0254d062fe7475a259f057f
SHA1 hash: 029d6b6dab4f3b33806fcdb8ec9b457e1c7d46f6
MD5 hash: 0d0b2d2e8e757e66ae44a0e3aeed2512
humanhash: indigo-pizza-river-california
File name:0d0b2d2e8e757e66ae44a0e3aeed2512
Download: download sample
Signature Stealc
Create hunting rule
File size:378'880 bytes
First seen:2024-07-20 04:26:27 UTC
Last seen:2024-07-20 14:05:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5c03f97b5f3e812ef89246641eaba2fa (2 x Stealc, 1 x RedLineStealer)
ssdeep 6144:hTNLdeErsZ/lyvUpo9lq4PT3fbf0FIMPoB4ikVTRcv2oFDXTUbEpQqee:nLgErJ3L0F5C4px82rEp6e
TLSH T1BD84DF11B5C0C073D663213509F4D7B96A7EBC704EA58D9FB3984FAE0F346C29621A5B
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
378
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Win.Keylogger.Lazy-10031941-0
Create hunting rule

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

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669b3c98b302ab76f448030e
Tags:
Crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Connection attempt to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/669b3c977b9add553ed8313e/reports/3ba566f8-ca44-44c4-a187-1102f6932cdd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547
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:
Malicious
Link:
https://analyze.intezer.com/analyses/72ba62ec-7805-48fc-81ed-d707a559c8a2
Result
Threat name:
Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477138
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 malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal ftp login credentials
Writes to foreign memory regions
Yara detected Mars stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1477138 Sample: isTa1zkFXX.exe Startdate: 20/07/2024 Architecture: WINDOWS Score: 100 27 Snort IDS alert for network traffic 2->27 29 Multi AV Scanner detection for domain / URL 2->29 31 Found malware configuration 2->31 33 10 other signatures 2->33 8 isTa1zkFXX.exe 1 2->8         started        process3 signatures4 35 Contains functionality to inject code into remote processes 8->35 37 Writes to foreign memory regions 8->37 39 Allocates memory in foreign processes 8->39 41 Injects a PE file into a foreign processes 8->41 11 RegAsm.exe 13 8->11         started        15 conhost.exe 8->15         started        17 RegAsm.exe 8->17         started        process5 dnsIp6 25 85.28.47.70, 49710, 80 GES-ASRU Russian Federation 11->25 43 Tries to harvest and steal ftp login credentials 11->43 45 Tries to harvest and steal Bitcoin Wallet information 11->45 19 cmd.exe 1 11->19         started        signatures7 process8 process9 21 conhost.exe 19->21         started        23 timeout.exe 1 19->23         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547/
Threat name:
Win32.Ransomware.RedLine
Create hunting rule
Status:
Malicious
First seen:
2024-07-19 01:48:56 UTC
File Type:
PE (Exe)
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuy46vliw6vr44fsnemgman63lgxgscr3kmjvrwto5y7dmfyovdq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:hnew discovery spyware stealer
Link:
https://tria.ge/reports/240720-e234wszcrg/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks installed software on the system
Checks computer location settings
Reads data files stored by FTP clients
Stealc
Malware Config
C2 Extraction:
http://85.28.47.70
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/34572533-f5b3-43a3-a505-f24808b7fdd0
Unpacked files
SH256 hash:
fffa0b6bd3c25950ad25bd1a16c9fc974c88b2b0d58e719c335adaaf32cf2ca1
MD5 hash:
7cbb2404266fd73529911f3d7bc6e387
SHA1 hash:
3b739fcefa4f09f5ff7552dcbbecb0da8764103f
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/da9e02c3-4cb7-4d44-b8f6-72aee0ee79c1/
Parent samples :
a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547
f55a522d784a8b3e3c62c383e1a489ff3650c135b4a19867122dc33de8598581
SH256 hash:
a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547
MD5 hash:
0d0b2d2e8e757e66ae44a0e3aeed2512
SHA1 hash:
029d6b6dab4f3b33806fcdb8ec9b457e1c7d46f6
Link:
https://www.unpac.me/results/da9e02c3-4cb7-4d44-b8f6-72aee0ee79c1/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a531cf5568b7/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/a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547

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: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 a531cf5568b7ab1e70b269186601bedacd734851da989ac6d37771f1b0b87547

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3053835/

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::DeleteAce
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
KERNEL32.dll::CreateThreadpoolWork
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::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments


Avatar
zbet commented on 2024-07-20 04:26:28 UTC

url : hxxp://185.196.10.57/selectex-file-host/92584v.exe