MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9. 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: 15


Intelligence 15 IOCs 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9
SHA3-384 hash: 811eca179895286efe2e88a61d446b34cc2a99fee2df8538d2bb6fc7f3c9e66e510769b39c7ed2fbcb9fe253642d70c9
SHA1 hash: 7ec51319223350bf41634ee045edc20016068602
MD5 hash: d41fb9a4fc164c43f30fefe3d5cfb9e6
humanhash: earth-burger-winner-mirror
File name:D41FB9A4FC164C43F30FEFE3D5CFB9E6.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:1'518'592 bytes
First seen:2025-10-24 01:00:25 UTC
Last seen:2025-11-06 11:03:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ovzzcCX0jVLry/1VqXkev6cKgCqoQvcm47opdEe74o0/3/X9b2p7:x00hLr461v/CfQkm47op+97XX9b2d
Threatray 227 similar samples on MalwareBazaar
TLSH T1BB65BE3FCB9961E6CE4C11F8DDE5549563B9DCD32422EB3B608CE629B80197ED138368
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe PureLogsStealer


Avatar
abuse_ch
PureLogsStealer C2:
85.17.67.54:7705

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
85.17.67.54:7705 https://threatfox.abuse.ch/ioc/1625890/

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
D41FB9A4FC164C43F30FEFE3D5CFB9E6.exe
Verdict:
Malicious activity
Analysis date:
2025-10-24 01:02:12 UTC
Tags:
stealer purecrypter netreactor purehvnc
Link:
https://app.any.run/tasks/ecf63310-93e1-4116-af49-15944cc30fd8

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/34000/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68facfd56c859164aa63ca6f
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Creating a file
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated packed purelogs stealer unsafe
Link:
https://www.filescan.io/uploads/68facfcfc85c5c569734548a/reports/6692b4dc-4968-4730-80df-f064a8dbc10d/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-21T03:56:00Z UTC
Last seen:
2025-10-25T18:28:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.PureLogs.TCP.C&C HEUR:Trojan.Win32.Generic Trojan-PSW.Win32.Coins.sb Trojan-PSW.Win32.Agent.sb Trojan-PSW.MSIL.Stealer.sb Trojan-PSW.MSIL.Agent.sb HEUR:Trojan.MSIL.Agent.gen Backdoor.NanoBot.TCP.C&C Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.PureLogs.sb Trojan-PSW.MSIL.Agentb.sb Trojan.MSIL.Inject.sb HEUR:Trojan-PSW.MSIL.PureLogs.gen
Link:
https://opentip.kaspersky.com/503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4003cc69-c2ac-4d93-85d4-a9216b4b0f8c
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1801019
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Creates a thread in another existing process (thread injection)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1801019 Sample: Z1RVurtwtp.exe Startdate: 24/10/2025 Architecture: WINDOWS Score: 100 40 Suricata IDS alerts for network traffic 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected PureLog Stealer 2->44 46 6 other signatures 2->46 8 Z1RVurtwtp.exe 2 2->8         started        process3 signatures4 48 Found many strings related to Crypto-Wallets (likely being stolen) 8->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->50 11 InstallUtil.exe 4 8->11         started        process5 dnsIp6 34 85.17.67.54, 49712, 49753, 49754 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 11->34 52 Tries to steal Mail credentials (via file / registry access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 56 Writes to foreign memory regions 11->56 58 4 other signatures 11->58 15 chrome.exe 1 11->15         started        19 chrome.exe 11->19 injected 21 chrome.exe 11->21 injected 23 5 other processes 11->23 signatures7 process8 dnsIp9 36 192.168.2.4, 138, 443, 49415 unknown unknown 15->36 38 Found many strings related to Crypto-Wallets (likely being stolen) 15->38 25 chrome.exe 15->25         started        signatures10 process11 dnsIp12 28 googlehosted.l.googleusercontent.com 142.250.73.129, 443, 49733, 49734 GOOGLEUS United States 25->28 30 www.google.com 142.250.73.68, 443, 49722, 49723 GOOGLEUS United States 25->30 32 5 other IPs or domains 25->32
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9/
Verdict:
Malicious
Threat:
Trojan-PSW.MSIL.TCP
Link:
https://tip.neiki.dev/file/503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9
Threat name:
ByteCode-MSIL.Trojan.PureLogsStealer
Create hunting rule
Status:
Malicious
First seen:
2025-10-21 10:00:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ka5zvhumqisheuluyggu7gumfstmiydfmz6svifdhc2vj2ieuk4q._file
Verdict:
malicious
Label(s):
katzstealer
Create hunting rule
unc_loader_078
Create hunting rule
Similar samples:
049812e47d5334275a82320a30608d9a8e3fb192c340980f67e31375c96eae70
PureLogsStealer
11ea3046a5ea0ca54c9efee2b7a7f9da06d2a5bed1bb41447673d4ae0374c2d3
PureLogsStealer
15c4f381e82e4d4d24ddd1f3ca33cf16678933534da2e5c27f67ec7ece8b7509
PureLogsStealer
288cbb7498f2c534d38c27b1f94cef2731ea2a5f3e3ef976c596a41c67ff2663
PureLogsStealer
503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9
PureLogsStealer
9936dcddd1348320af7fa9c5446666d22888a28dc3788a532c60afb718cb75cb
PureLogsStealer
a7ea2f8cf65a2fc6368cbe91431080aa1269cc37de7095a15237d1b411f27d93
PureLogsStealer
b13e974aa3bb30239ff57db566dac32c1c19a2323eecbb785890224549444254
PureLogsStealer
df6eac509b37b2dfe3ced246b01167bf4c9d82a3ba0d20b3f3da90072dbd0d99
PureLogsStealer
error
PureLogsStealer
fd43d26f1db150f1ce6faa221521e0ac9d32ffc26fc835bdc564ce6d93a5ee84
PureLogsStealer
+ 217 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection discovery
Link:
https://tria.ge/reports/251024-bc6xpsvrfj/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/26d10a7a-507d-48a9-a785-1f3bc149bf42
Unpacked files
SH256 hash:
503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9
MD5 hash:
d41fb9a4fc164c43f30fefe3d5cfb9e6
SHA1 hash:
7ec51319223350bf41634ee045edc20016068602
Link:
https://www.unpac.me/results/8a572e6f-b4ff-42f1-954e-68ae569c060d/
SH256 hash:
6fe4fed15be1eb8acf595ced04f8b2b7f8e1c268385531a722f851af0dfc7a1d
MD5 hash:
5c87b19d157e7c58807b5d89add0d97c
SHA1 hash:
1b91a2400002a92af8c335982573b8d2b1d8e4ac
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8a572e6f-b4ff-42f1-954e-68ae569c060d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/503b9a9e8c82/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/503b9a9e8c8224725174c18d4f9a8c2ca6c46065667d2aa0a338b554e904a2b9

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
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:NETDLLMicrosoft
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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/34000/

Comments