MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e268df66fb92ff6e5b2719279c5bee5383d56a4b97add2c7dc0ede45d2aec175. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: e268df66fb92ff6e5b2719279c5bee5383d56a4b97add2c7dc0ede45d2aec175
SHA3-384 hash: ed6bf18865c89896d561be954183c41156d0efd85e4aaea0b51c366bae11038888bebfb6a6bec4ec12a31468fbd0ecad
SHA1 hash: d9be0c3c31ab6bce38157fb15609a6bd1a1c4d76
MD5 hash: 032cc19c2a356047c9d6a952c55f593b
humanhash: snake-east-hamper-maine
File name:Lnezwqkj.exe
Download: download sample
Signature PureLogsStealer
File size:1'506'304 bytes
First seen:2024-02-21 13:25:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:KXhgAcwd+KW2+Cuv6XWBFLB6Acwcr394SuAHisP3SH6CoffrF:Kmpw51+CuvrrQw0N4DACsPAoff
Threatray 126 similar samples on MalwareBazaar
TLSH T11065116A36012C23CBA7A771D9B7C6022522CC7BC596930B63C56637653B2EF1FB1706
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
326
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e268df66fb92ff6e5b2719279c5bee5383d56a4b97add2c7dc0ede45d2aec175.exe
Verdict:
Malicious activity
Analysis date:
2024-02-21 14:15:20 UTC
Tags:
purelogs purecrypter loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.
Result
Threat name:
PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1396175 Sample: Lnezwqkj.exe Startdate: 21/02/2024 Architecture: WINDOWS Score: 100 31 www.example.com 2->31 33 194.167.4.0.in-addr.arpa 2->33 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected PureLog Stealer 2->51 53 3 other signatures 2->53 7 Lnezwqkj.exe 15 5 2->7         started        12 farm.exe 14 5 2->12         started        14 farm.exe 2->14         started        signatures3 process4 dnsIp5 35 www.example.com 93.184.216.34, 49729, 49731, 49739 EDGECASTUS European Union 7->35 27 C:\Users\user\AppData\Roaming\farm.exe, PE32+ 7->27 dropped 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->55 57 Modifies the context of a thread in another process (thread injection) 7->57 59 Injects a PE file into a foreign processes 7->59 16 Lnezwqkj.exe 23 7->16         started        61 Multi AV Scanner detection for dropped file 12->61 21 farm.exe 23 12->21         started        23 farm.exe 14->23         started        file6 signatures7 process8 dnsIp9 29 45.137.22.173, 49730, 49737, 49740 ROOTLAYERNETNL Netherlands 16->29 25 C:\Users\user\AppData\...\sqlite.interop.dll, PE32+ 16->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->37 39 Tries to steal Mail credentials (via file / registry access) 16->39 41 Found many strings related to Crypto-Wallets (likely being stolen) 16->41 43 Tries to harvest and steal browser information (history, passwords, etc) 23->43 45 Tries to harvest and steal Bitcoin Wallet information 23->45 file10 signatures11
Threat name:
ByteCode-MSIL.Trojan.PureLog
Status:
Malicious
First seen:
2024-02-21 03:59:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat collection persistence rat 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
Loads dropped DLL
Reads user/profile data of web browsers
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
e268df66fb92ff6e5b2719279c5bee5383d56a4b97add2c7dc0ede45d2aec175
MD5 hash:
032cc19c2a356047c9d6a952c55f593b
SHA1 hash:
d9be0c3c31ab6bce38157fb15609a6bd1a1c4d76
Detections:
Typical_Malware_String_Transforms
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Malspam

PureLogsStealer

Executable exe e268df66fb92ff6e5b2719279c5bee5383d56a4b97add2c7dc0ede45d2aec175

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments