MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2
SHA3-384 hash: b54f338f85fbe207736239cea0560877e81badd3e99c04c4dae999ebce7af51b5942b4ff1ea6bcec9b79647d571cabd7
SHA1 hash: 1dc1166cc3754ddd3adf3a71b28707b9186b2dab
MD5 hash: 4f97b257a87062f05ef9bef6a0adda36
humanhash: echo-eight-july-undress
File name:4f97b257a87062f05ef9bef6a0adda36.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:979'456 bytes
First seen:2024-02-08 06:17:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6zyXuMpcJ4J5wnGnq7vH4A3w9qRwDJ3MpsJFgDqxb2GkHv+cqMIf7J2wV:6O+y0Uwniq7vYmyqq3H2Gi36
TLSH T1B525E01D96142C62CBF79734E4738B0D5AA5C937C0A7E347C3C165BA62273DAAF92702
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)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
f1c19e1cf9f32a5aa6350ced35d355e37ae108dfc208902b72c73874410a5c1b.exe
Verdict:
Malicious activity
Analysis date:
2024-02-08 14:53:57 UTC
Tags:
loader smoke smokeloader stealer vidar
Link:
https://app.any.run/tasks/e169e7c7-e6b2-426e-8a03-ade1a153d650

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/475279/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Win.Trojan.Generic-10014419-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65c4721e29ab210c3fabd446/reports/944971ee-7ae2-479e-8ae8-c470817452ed/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2
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:
Unknown
Link:
https://analyze.intezer.com/analyses/3b86b446-2c45-4514-9ce1-63ae80f9c6ec
Result
Threat name:
PureLog Stealer, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388820
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388820 Sample: v5jESh4zVJ.exe Startdate: 08/02/2024 Architecture: WINDOWS Score: 100 35 t.me 2->35 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected PureLog Stealer 2->45 47 9 other signatures 2->47 8 v5jESh4zVJ.exe 3 2->8         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\build.exe, PE32 8->31 dropped 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->49 12 build.exe 28 8->12         started        17 cmd.exe 1 8->17         started        19 cmd.exe 1 8->19         started        21 v5jESh4zVJ.exe 8->21         started        signatures6 process7 dnsIp8 37 t.me 149.154.167.99, 443, 49712 TELEGRAMRU United Kingdom 12->37 39 88.198.108.242, 49713, 49714, 49715 HETZNER-ASDE Germany 12->39 33 C:\Users\user\AppData\Local\...\sqlt[1].dll, PE32 12->33 dropped 51 Machine Learning detection for dropped file 12->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->53 55 Tries to harvest and steal browser information (history, passwords, etc) 12->55 57 Searches for specific processes (likely to inject) 12->57 59 Uses ipconfig to lookup or modify the Windows network settings 17->59 23 conhost.exe 17->23         started        25 ipconfig.exe 1 17->25         started        27 conhost.exe 19->27         started        29 ipconfig.exe 1 19->29         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-02-08 02:57:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mqne76cpjo6er5m73by5vdgrp6td3zix2b7ezzsguuaa2g2hq3ja._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:vidar family:zgrat botnet:bfd020bb7aa1ea14c6178fe2a114ae8f rat stealer
Link:
https://tria.ge/reports/240208-g2l7gsbd4t/
Behaviour
Gathers network information
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect Vidar Stealer
Detect ZGRat V1
Vidar
ZGRat
Malware Config
C2 Extraction:
https://t.me/newagev
https://steamcommunity.com/profiles/76561199631487327
Unpacked files
SH256 hash:
641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2
MD5 hash:
4f97b257a87062f05ef9bef6a0adda36
SHA1 hash:
1dc1166cc3754ddd3adf3a71b28707b9186b2dab
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/a5678091-bfc9-452f-86a6-c98f58559b0d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/641a4ff84f4b/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/641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
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
Create hunting rule
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.

Web download

PureLogsStealer

Executable exe 641a4ff84f4bbc48f59fd871da8cd17fa63de517d07e4ce646a5000d1b4786d2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2755904/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/475279/

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