MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c
SHA3-384 hash: 52dd6bb281af1fc9e14357a85fbef28692261020dbd6dd5ff7ed294473da6c309e580298734ddb95e2efc5930b469c52
SHA1 hash: f04d0ecade66d957198bfecc301e5e91e6896189
MD5 hash: 06d8a1accf0a9b34aaee3e1ec50552f0
humanhash: lima-yankee-six-earth
File name:06d8a1accf0a9b34aaee3e1ec50552f0
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:99'328 bytes
First seen:2024-05-13 08:07:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 768:UWad3TAg33EzacC4Esfi7vpfM6ZHWaddlRf:cFf3PcC4EwiFnf
Threatray 244 similar samples on MalwareBazaar
TLSH T18CA3824D25FF5A0CD1D0F2B3EB19C5725AA9A90FBD20D1D97C84B5891CFEA86039C9C2
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 7061c4cc8c96f4d4 (1 x AgentTesla, 1 x PureLogsStealer, 1 x zgRAT)
Reporter zbetcheckin
Tags:32 exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f352445c521895812735acebb5f944cd1e88024cade5b201c562166619ffc9f.exe
Verdict:
Malicious activity
Analysis date:
2024-05-13 07:20:41 UTC
Tags:
purecrypter loader payload purelogs
Link:
https://app.any.run/tasks/3d922799-fac7-4184-83a5-8ee731a39c25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13849.688.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a window
Using the Windows Management Instrumentation requests
Launching a process
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% directory
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
redcap
Link:
https://www.filescan.io/uploads/6641ca655826be9faadbabff/reports/4f139c4d-5283-4fd9-85bd-12bdd9f707ef/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c
Malware family:
Pure Logs Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4db364ad-800b-4b43-b980-82bfb5c77adf
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1440369
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1440369 Sample: rPOGm2fUiV.exe Startdate: 13/05/2024 Architecture: WINDOWS Score: 100 27 relay-03-static.cloud 2->27 29 relay-02-static.network 2->29 31 246.229.1.0.in-addr.arpa 2->31 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 8 rPOGm2fUiV.exe 15 3 2->8         started        12 rPOGm2fUiV.exe 2 2->12         started        signatures3 process4 dnsIp5 33 relay-02-static.network 185.196.10.99, 49704, 49706, 80 SIMPLECARRIERCH Switzerland 8->33 45 Bypasses PowerShell execution policy 8->45 47 Injects a PE file into a foreign processes 8->47 14 rPOGm2fUiV.exe 20 8->14         started        18 powershell.exe 13 8->18         started        21 rPOGm2fUiV.exe 12->21         started        signatures6 process7 dnsIp8 35 relay-03-static.cloud 111.90.145.132, 49705, 49711, 7722 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 14->35 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->49 51 Tries to steal Mail credentials (via file / registry access) 14->51 53 Found many strings related to Crypto-Wallets (likely being stolen) 14->53 59 3 other signatures 14->59 25 C:\Users\user\AppData\...\rPOGm2fUiV.exe, PE32 18->25 dropped 55 Drops PE files to the startup folder 18->55 57 Powershell drops PE file 18->57 23 conhost.exe 18->23         started        file9 signatures10 process11
Score:
59%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-05-12 23:57:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kogr3t4z2viwruzf6z6wamwfcz5k2o3usoxmtjcl5nkqo24gaqwa._file
Verdict:
suspicious
Similar samples:
4e0b653a92bc80b91eb6797f5b5d252710790117dd5fb0038ba15e36a58a4da3
PureLogsStealer
538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c
PureLogsStealer
5eff63469fff981124eca685943116a6a89bc912e03cd7dba31edf2cd6569112
PureLogsStealer
71b506b1fbf26cef2b28bed51237f1f15e2fa7984af2a563aeb35a1e3cc71d64
PureLogsStealer
7656ea698db2d20d325f613fd25de973ab668f0d24106334fc72187e9162003e
PureLogsStealer
9387f4d0d04d48e9bdb9cbcb6edd9b2567fc50b0b5752c05b507c6953b33c742
PureLogsStealer
fd20c43c250724b2fa1ce40b7edc6e8616f6a63573da5b04fd87a307b02333c8
PureLogsStealer
+ 234 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
agilenet collection execution spyware stealer
Link:
https://tria.ge/reports/240513-j1jfbagg53/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
Obfuscated with Agile.Net obfuscator
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c
MD5 hash:
06d8a1accf0a9b34aaee3e1ec50552f0
SHA1 hash:
f04d0ecade66d957198bfecc301e5e91e6896189
Link:
https://www.unpac.me/results/292bc226-1a38-4a5a-a9b8-2c8f7fa8a84e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/538d1dcf99d5/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/538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c

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:pe_imphash
Create hunting rule
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.

Web download

PureLogsStealer

Executable exe 538d1dcf99d55168d325f67d6032c5167aad3b7493aec9a44beb55076b86042c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2848498/

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 2024-05-13 08:07:21 UTC

url : hxxp://relay-02-static.network/rkei/TextEditor.exe