MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020
SHA3-384 hash: 3e4c89b8ac3a0d8a2cca9adce5c0c375bf36b350500a065fdb920addb4cce694d759c5ec5166819ce67c2d272a82b434
SHA1 hash: 1a606cd8d7cde35fa0e381f8c3e08da99d815e1b
MD5 hash: f0ab5dd414a8ddb61e835e7a033fa147
humanhash: ack-low-green-coffee
File name:SecuriteInfo.com.Win32.RansomX-gen.32025.5601
Download: download sample
Signature Stealc
Create hunting rule
File size:396'288 bytes
First seen:2024-03-08 10:34:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cc97bd7b37ffc8623435e9eaccfab9ac (2 x Stealc)
ssdeep 6144:NLNYPBixifMoj+ikOXer0EoZG5uCaN44ajqkomKX:NJYM4h+Vd0P4jf2
Threatray 48 similar samples on MalwareBazaar
TLSH T1AC84F001F691E4B5F2674D30D966CFF0C6BEB961D932429F33E4676E1E703A08A22356
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 3370ecd2ccf033da (7 x Stealc, 3 x Smoke Loader, 2 x RiseProStealer)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020.exe
Verdict:
Malicious activity
Analysis date:
2024-03-08 10:37:24 UTC
Tags:
loader stealer stealc
Link:
https://app.any.run/tasks/7e9b94db-4d6a-4ea9-986c-9377f42abdc1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RansomX-gen.32025.5601.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending an HTTP GET request to an infection source
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65eae9d71d6034c3c029bb77/reports/182d0433-570d-40e4-8f46-f2f8538e9718/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/95e10d08-bf79-49c6-88af-4bc204f5271d
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/1405345
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1405345 Sample: SecuriteInfo.com.Win32.Rans... Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 10 other signatures 2->62 8 SecuriteInfo.com.Win32.RansomX-gen.32025.5601.exe 1 3 2->8         started        process3 dnsIp4 48 185.172.128.90, 49704, 80 NADYMSS-ASRU Russian Federation 8->48 50 185.172.128.126, 49707, 80 NADYMSS-ASRU Russian Federation 8->50 52 185.172.128.187, 49705, 49706, 80 NADYMSS-ASRU Russian Federation 8->52 36 C:\Users\user\AppData\Local\Temp\u1fs.1.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\Temp\u1fs.0.exe, PE32 8->38 dropped 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 13 u1fs.0.exe 67 8->13         started        18 u1fs.1.exe 2 5 8->18         started        20 WerFault.exe 19 16 8->20         started        file5 signatures6 process7 dnsIp8 54 185.172.128.145, 49708, 80 NADYMSS-ASRU Russian Federation 13->54 40 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->40 dropped 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->44 dropped 46 9 other files (5 malicious) 13->46 dropped 70 Antivirus detection for dropped file 13->70 72 Detected unpacking (changes PE section rights) 13->72 74 Detected unpacking (overwrites its own PE header) 13->74 78 9 other signatures 13->78 22 WerFault.exe 23 16 13->22         started        76 Multi AV Scanner detection for dropped file 18->76 25 cmd.exe 1 18->25         started        file9 signatures10 process11 file12 34 C:\ProgramData\Microsoft\...\WERB3D6.tmp.dmp, Mini 22->34 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 25->64 28 conhost.exe 25->28         started        30 schtasks.exe 1 25->30         started        32 chcp.com 1 25->32         started        signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-03-08 09:25:38 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6kjscmydcpa2ft42pxgwobcnwxgykfggowfcsgtjmrjrnw4uaaqa._file
Verdict:
malicious
Similar samples:
1936d057c09f17db16fe499af609d5935d0b17e62f4199999543f0459cb43b05
Stealc
1a557fae2d39d06392f4bea760fb72c87f0959a7c3ac66865e36f316866f57d3
Stealc
6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef
Stealc
8ad20c4b4c312feb468a58d1748c0d7abba3dd2d0fb8e6bfbee837c47a0e8c5a
Stealc
9c20710607760934fbc59a5b6e60ff8ba2441b6f5ab2de182bca1e18209e9150
Stealc
+ 38 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer upx
Link:
https://tria.ge/reports/240308-mmnpnadg5v/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Downloads MZ/PE file
Unpacked files
SH256 hash:
f747b1dc11b798034f510533eeaa9cb00bfa475319e67b0f3ba246badf495797
MD5 hash:
633afa9d868b2af36eda64fe8af84b23
SHA1 hash:
4be898db52499a3bb88e59887a59aff5208ad14e
Link:
https://www.unpac.me/results/b08c0a22-1507-405c-accc-7c58dece67ff/
SH256 hash:
f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020
MD5 hash:
f0ab5dd414a8ddb61e835e7a033fa147
SHA1 hash:
1a606cd8d7cde35fa0e381f8c3e08da99d815e1b
Link:
https://www.unpac.me/results/b08c0a22-1507-405c-accc-7c58dece67ff/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f29321330313/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/f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020

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:Borland
Create hunting rule
Author:malware-lu
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.

File information

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

Web download

Stealc

Executable exe f29321330313c1a2cf9a7dcd67044db5cd8514c6758a291a69645316db940020

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2777660/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2765035/
  
URLhaus
https://urlhaus.abuse.ch/url/2765033/

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::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::MoveFileExA
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::GetFileAttributesA

Comments