MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65031e8d6e51d1cc0bcb588d14069f13bf445eb910ca1b4ff9b3351753983396. 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



PureLogsStealer


Vendor detections: 16


Intelligence 16 IOCs YARA 9 File information Comments

SHA256 hash: 65031e8d6e51d1cc0bcb588d14069f13bf445eb910ca1b4ff9b3351753983396
SHA3-384 hash: 73bf12ec8a8bcc3b457793b648ae1f48e1fc261b83e7b510cb9acee63559df8ce2ec0322973bc913aa4279e2df7f59a2
SHA1 hash: be6188abb5c1fabf5e5e8c391d57ae1522e7c47f
MD5 hash: 391e28f41318c4da3d2b39f2069a119a
humanhash: sweet-minnesota-montana-apart
File name:Model Specification.scr
Download: download sample
Signature PureLogsStealer
File size:1'281'544 bytes
First seen:2024-05-31 07:45:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Xi/kjEz6Gl0pgpKjca73YLSA/TMjftq03Ln1Jh9CEVUbB53AFpJGzxdiO3Bq:XiUkKjcwA/CkmLn1J/CEVdwxcOQ
TLSH T130553362DA2C6B86DF75CE7415DC65247FBF9513883B86BD0CC39016348A2398B716F1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon dc9898dc9c2c545c (8 x AgentTesla, 2 x Formbook, 2 x AZORult)
Reporter abuse_ch
Tags:exe PureLogStealer scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65031e8d6e51d1cc0bcb588d14069f13bf445eb910ca1b4ff9b3351753983396.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 08:19:09 UTC
Tags:
purecrypter purelogs

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Generic Static Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Reading critical registry keys
Launching a process
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
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:
Pure Logs Stealer
Verdict:
Malicious
Result
Threat name:
PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Set autostart key via New-ItemProperty Cmdlet
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450024 Sample: Model Specification.scr.exe Startdate: 31/05/2024 Architecture: WINDOWS Score: 100 42 56.14.11.0.in-addr.arpa 2->42 44 15.164.165.52.in-addr.arpa 2->44 58 Snort IDS alert for network traffic 2->58 60 Antivirus detection for URL or domain 2->60 62 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->62 64 10 other signatures 2->64 9 Model Specification.scr.exe 3 2->9         started        12 Model Specification.scr.exe 2->12         started        14 Model Specification.scr.exe 2 2->14         started        signatures3 process4 signatures5 66 Injects a PE file into a foreign processes 9->66 16 Model Specification.scr.exe 20 9->16         started        20 Model Specification.scr.exe 12->20         started        22 Model Specification.scr.exe 12->22         started        24 Model Specification.scr.exe 12->24         started        26 Model Specification.scr.exe 20 14->26         started        process6 dnsIp7 40 65.108.24.104, 49162, 49165, 49166 ALABANZA-BALTUS United States 16->40 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->46 48 Suspicious powershell command line found 16->48 50 Tries to steal Mail credentials (via file / registry access) 16->50 56 2 other signatures 16->56 28 powershell.exe 1 11 16->28         started        52 Tries to harvest and steal browser information (history, passwords, etc) 20->52 54 Tries to harvest and steal Bitcoin Wallet information 20->54 30 powershell.exe 20->30         started        32 powershell.exe 26->32         started        signatures8 process9 process10 34 conhost.exe 28->34         started        36 conhost.exe 30->36         started        38 conhost.exe 32->38         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-03-16 13:07:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
65031e8d6e51d1cc0bcb588d14069f13bf445eb910ca1b4ff9b3351753983396
MD5 hash:
391e28f41318c4da3d2b39f2069a119a
SHA1 hash:
be6188abb5c1fabf5e5e8c391d57ae1522e7c47f
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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

Comments