MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46881e86cabd9d39cb7b57e9a85f2007c1c8fece41e3b5edd74c12f38c4acba9. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments 1

SHA256 hash: 46881e86cabd9d39cb7b57e9a85f2007c1c8fece41e3b5edd74c12f38c4acba9
SHA3-384 hash: f07d0764ea27db763036b65a0900bd1f78e9caa5adceb16cd0c004b772aad87a47f6fec402e78fe28ddffa1645737ab0
SHA1 hash: 6bf4dd3cf4c58a212473c819148ec2bd4710bae7
MD5 hash: 50ee68942ea8bb92caec46f64d21c425
humanhash: maryland-thirteen-seventeen-thirteen
File name:50ee68942ea8bb92caec46f64d21c425
Download: download sample
Signature PureLogsStealer
File size:37'672 bytes
First seen:2024-05-04 09:24:38 UTC
Last seen:2024-05-04 10:30:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 384:Gd1IDSKDQbkoKDVbJdpGKDGPGAWoNyb8E9VF6IYinAM+oP9YkB/5OtMh:WQ39EPGHAEpYinAMxhBTh
TLSH T1DA033C262794D889D9D0CD306CC79E341DF1BD63584097EB33C0AA2E8F73B82F659269
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 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter zbetcheckin
Tags:32 exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://91.92.254.152/byfronbypass.html/css/mss/stelret.exe
Verdict:
No threats detected
Analysis date:
2024-04-29 01:23:03 UTC
Tags:
loader

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

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Connecting to a non-recommended domain
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %temp% directory
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed smartassembly smart_assembly
Result
Threat name:
PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
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)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1436336 Sample: VxN9LYUV1f.exe Startdate: 04/05/2024 Architecture: WINDOWS Score: 100 25 minitryinon.duckdns.org 2->25 27 ghuytyh45.duckdns.org 2->27 29 3 other IPs or domains 2->29 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 47 7 other signatures 2->47 9 VxN9LYUV1f.exe 15 3 2->9         started        signatures3 45 Uses dynamic DNS services 27->45 process4 dnsIp5 31 ghuytyh45.duckdns.org 91.92.254.152, 49711, 49722, 49723 THEZONEBG Bulgaria 9->31 49 Found many strings related to Crypto-Wallets (likely being stolen) 9->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->51 13 VxN9LYUV1f.exe 21 9->13         started        signatures6 process7 dnsIp8 33 minitryinon.duckdns.org 91.92.244.154, 49714, 49720, 7702 THEZONEBG Bulgaria 13->33 23 C:\Users\user\AppData\...\Chyhsewovt.exe, PE32 13->23 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->53 55 Tries to steal Mail credentials (via file / registry access) 13->55 57 Found many strings related to Crypto-Wallets (likely being stolen) 13->57 59 2 other signatures 13->59 18 Chyhsewovt.exe 14 3 13->18         started        file9 signatures10 process11 signatures12 35 Multi AV Scanner detection for dropped file 18->35 37 Machine Learning detection for dropped file 18->37 21 MSBuild.exe 2 18->21         started        process13
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-04-28 18:39:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat collection rat spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
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
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
46881e86cabd9d39cb7b57e9a85f2007c1c8fece41e3b5edd74c12f38c4acba9
MD5 hash:
50ee68942ea8bb92caec46f64d21c425
SHA1 hash:
6bf4dd3cf4c58a212473c819148ec2bd4710bae7
Detections:
INDICATOR_EXE_Packed_SmartAssembly
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
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.

Web download

PureLogsStealer

Executable exe 46881e86cabd9d39cb7b57e9a85f2007c1c8fece41e3b5edd74c12f38c4acba9

(this sample)

  
Delivery method
Distributed via web download

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 (GUARD_CF)high

Comments



Avatar
zbet commented on 2024-05-04 09:24:39 UTC

url : hxxp://ghuytyh45.duckdns.org/byfronbypass.html/css/mss/stelret.exe