MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33
SHA3-384 hash: 67bd6bf1afb333432baac385aa71df0ef401cd77cd727fd8a36bcb390ecd19e3b8d538ddede66f470be05dfbddf147f2
SHA1 hash: 3d06154d44ebd07b47578b39c0d8d3dbaae6aa2f
MD5 hash: 2798b0bd4ca40c6bdc94f90fe2219ef0
humanhash: carolina-jersey-mexico-april
File name:RFQ #HCA052024.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:1'594'368 bytes
First seen:2024-06-25 10:37:24 UTC
Last seen:2024-06-25 11:36:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:l0vV0rS1MO8ybirZOlINr1GgExMmKlbx6CG+aj3jhkvqjyvDx8:uvVc+T7GZcED2M3bx6CNCWvD
Threatray 55 similar samples on MalwareBazaar
TLSH T14675DFAC721076EFC95BCD76CA942C64EA60647B930BD203A01315EDDA0DA9BDF245F3
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter threatcat_ch
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
337
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33.exe
Verdict:
Malicious activity
Analysis date:
2024-06-25 10:39:59 UTC
Tags:
netreactor exfiltration purelogs purecrypter stealer
Link:
https://app.any.run/tasks/540c2e39-66c2-4bf1-824b-8925bce93240

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.3834.15418.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667a9ea95fec1bb84f85c900win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Stealth Heur Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a file
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/667a9e156be3b3c7c2348667/reports/671f5b98-a2a1-4ba4-9f78-00b09d3f73af/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/44d4a72b-f97a-48fb-9273-b013166d4dc0
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1462366
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1462366 Sample: RFQ #HCA052024.exe Startdate: 25/06/2024 Architecture: WINDOWS Score: 100 36 246.229.1.0.in-addr.arpa 2->36 40 Snort IDS alert for network traffic 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 10 other signatures 2->46 8 RFQ #HCA052024.exe 28 2->8         started        13 bFvKoZH.exe 3 2->13         started        signatures3 process4 dnsIp5 38 93.123.39.147, 49715, 5888 NET1-ASBG Bulgaria 8->38 30 C:\Users\user\AppData\Roaming\bFvKoZH.exe, PE32+ 8->30 dropped 32 C:\Users\user\...\bFvKoZH.exe:Zone.Identifier, ASCII 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmp40E9.tmp, XML 8->34 dropped 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->48 50 Tries to harvest and steal browser information (history, passwords, etc) 8->50 52 Adds a directory exclusion to Windows Defender 8->52 15 powershell.exe 23 8->15         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        54 Multi AV Scanner detection for dropped file 13->54 56 Machine Learning detection for dropped file 13->56 file6 signatures7 process8 signatures9 58 Loading BitLocker PowerShell Module 15->58 22 conhost.exe 15->22         started        24 WmiPrvSE.exe 15->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33/
Threat name:
Win64.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-06-25 08:12:36 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6xs2lz4yif3525xg34rpszvwfxjjs2o5r45ehajsymcb5uitduzq._file
Verdict:
malicious
Similar samples:
34b18b54b2df9bb5eb4364a484de01f20c6b8a431ab2ee0046f2a5e9d8a1e840
PureLogsStealer
49ef0d1c1549f017b299b97d645ac15bd455b284765810ee72cfac032b1381ff
PureLogsStealer
75d78c21037f0772b93c881552d2d5b10c3c299d185a9ba243cb6416a4fa2384
PureLogsStealer
c769cee0a5a1cb795c2fc24c6471aaa898e58f38ea1aea8e632564cd4358a751
PureLogsStealer
dd800fe37bd83d32af883569057359bc3465b136e77783212bcc0a11c7de38e9
PureLogsStealer
fb240bd2e7625b10a5e3ee6e5531950995de28e67cc5f0e7787d955d04416bc1
PureLogsStealer
+ 45 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection execution spyware stealer
Link:
https://tria.ge/reports/240625-mpdbpsvcmg/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1486644b-90b8-4218-8da8-c0e4c4c0263e
Unpacked files
SH256 hash:
f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33
MD5 hash:
2798b0bd4ca40c6bdc94f90fe2219ef0
SHA1 hash:
3d06154d44ebd07b47578b39c0d8d3dbaae6aa2f
Link:
https://www.unpac.me/results/b097a244-a82b-4ffe-ae86-95fe9a873df7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f5e5a5e79841/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

PureLogsStealer

Executable exe f5e5a5e7984177dd76e6df22f966b62dd29969dd8f3a438132c3041ed1131d33

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

Comments