MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64
SHA3-384 hash: ed71fe3f5fbdb583f5f9c023b07c7210eb000b9d6ba33814022a670ebb63e60e2fad2b1061d5003e4899e5b34cdd4383
SHA1 hash: 4f413ffb059cc18c18d97ddea978be374f77e931
MD5 hash: 8c2736f5091792552be21809ae434207
humanhash: wolfram-fourteen-december-tennessee
File name:SecuriteInfo.com.Win32.PWSX-gen.29407.62
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:123'672 bytes
First seen:2024-05-07 10:25:04 UTC
Last seen:2024-05-07 10:25:05 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 3072:wIm8e369TeB1PdLOGmrqnSILlNwz4UVSKW2yLW2w:wp3696nJmrODUVhgL+
Threatray 1'561 similar samples on MalwareBazaar
TLSH T188C38C3C239F5E03C6CEAE72ACE151157375F2927B83E383484591641DA3BF169721EA
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 1032d232e98c3649 (1 x PureLogsStealer)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64.exe
Verdict:
Malicious activity
Analysis date:
2024-05-07 10:27:18 UTC
Tags:
purecrypter purelogs exfiltration stealer
Link:
https://app.any.run/tasks/09a49198-260b-4a09-abcc-6f44544fdfd8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29407.62.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP 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 process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %temp% directory
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64
Malware family:
Pure Logs Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5290738-ee9f-476e-9894-c207a26f4610
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1437393
Signature
.NET source code contains potential unpacker
Drops large PE files
Drops VBS files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1437393 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 07/05/2024 Architecture: WINDOWS Score: 100 28 maggiorallic.com 2->28 30 90.156.5.0.in-addr.arpa 2->30 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected PureLog Stealer 2->48 50 Yara detected AntiVM3 2->50 52 5 other signatures 2->52 8 SecuriteInfo.com.Win32.PWSX-gen.29407.62.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 32 maggiorallic.com 14.102.238.33, 443, 49705, 49715 BI-CDN-IXEquinixJpapanEnterpriseKKJP India 8->32 24 C:\Users\...\zoomrooms-6.0.0.4016-x86.exe, PE32 8->24 dropped 26 C:\Users\...\zoomrooms-6.0.0.4016-x86.vbs, ASCII 8->26 dropped 62 Found many strings related to Crypto-Wallets (likely being stolen) 8->62 64 Drops VBS files to the startup folder 8->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->66 70 2 other signatures 8->70 15 SecuriteInfo.com.Win32.PWSX-gen.29407.62.exe 20 8->15         started        68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->68 19 zoomrooms-6.0.0.4016-x86.exe 14 3 13->19         started        file6 signatures7 process8 dnsIp9 34 62.113.215.203, 49714, 49716, 49718 TTMDE Germany 15->34 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Tries to steal Mail credentials (via file / registry access) 15->38 40 Found many strings related to Crypto-Wallets (likely being stolen) 15->40 42 Tries to harvest and steal Bitcoin Wallet information 15->42 44 Injects a PE file into a foreign processes 19->44 21 zoomrooms-6.0.0.4016-x86.exe 20 19->21         started        signatures10 process11 signatures12 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->54 56 Tries to steal Mail credentials (via file / registry access) 21->56 58 Tries to harvest and steal browser information (history, passwords, etc) 21->58 60 Tries to harvest and steal Bitcoin Wallet information 21->60
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-05-07 08:18:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=og2qnmp36jwo6kzix3kren7r6fpc7j4yjlzkky5ownnb4pghdvsa._file
Verdict:
malicious
Similar samples:
2b0164c3ecb22bf4c514feef0f9471ab8a206663a3f3f38fc90a806090989f13
PureLogsStealer
3121673a3bf3bdb07a02c5e730f09c272a4ec1c8510cd80a601b6e5e79d8eadc
PureLogsStealer
63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5
PureLogsStealer
a319864b27cc93f963d4418f363bc01aecf4d45f77730ac70d619deaad9423b2
PureLogsStealer
ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce
PureLogsStealer
+ 1'551 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:purelogstealer family:zgrat collection rat spyware stealer
Link:
https://tria.ge/reports/240507-mghlfseg45/
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
Drops startup file
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Detect ZGRat V1
PureLog Stealer
PureLog Stealer payload
ZGRat
Unpacked files
SH256 hash:
71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64
MD5 hash:
8c2736f5091792552be21809ae434207
SHA1 hash:
4f413ffb059cc18c18d97ddea978be374f77e931
Link:
https://www.unpac.me/results/1b637fa2-35f0-4845-beef-54207b0de34f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71b506b1fbf2/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/71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 (GUARD_CF)high

Comments