MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c
SHA3-384 hash: b3b3d5fafa2496d4ad74d7cb5a21f64bde1ef25a39ee309ab14fabbbe7d978f41810b72ef80dc8f124d9802786b9d2e9
SHA1 hash: 3d6d5ae2197544106a43554d813f2dde6d1b1426
MD5 hash: 3317f3bf5953e9e87e65aeb8b0d702ac
humanhash: quiet-mountain-timing-eleven
File name:PO - 5300-REV1_xlsx.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:70'144 bytes
First seen:2025-10-06 08:26:08 UTC
Last seen:2025-10-06 08:42:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 1536:LW+iW3sXoX2yMlIvgxOL58jUuv4JUK+miSVuM+or2kF:LW+t9X2Cf5yv4JUK+7ScHTkF
Threatray 897 similar samples on MalwareBazaar
TLSH T11A633B19778845DBE5BC42B3F87B010012E5EDBEE6D2A72F69D6F26504B37A20207D1B
TrID 45.5% (.EXE) Win64 Executable (generic) (10522/11/4)
19.4% (.EXE) Win32 Executable (generic) (4504/4/1)
8.9% (.ICL) Windows Icons Library (generic) (2059/9)
8.7% (.EXE) OS/2 Executable (generic) (2029/13)
8.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter cocaman
Tags:exe PureLogsStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO - 5300-REV1_xlsx.exe
Verdict:
Malicious activity
Analysis date:
2025-10-06 08:28:57 UTC
Tags:
snake keylogger evasion auto-startup anti-evasion telegram stealer netreactor
Link:
https://app.any.run/tasks/253edf15-6e92-4a2a-9364-2abe12b067d1

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/30741/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e37d3c91bc581176cc4fe1
Tags:
underscore autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Sending a custom TCP request
Searching for synchronization primitives
DNS request
Reading critical registry keys
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated
Link:
https://www.filescan.io/uploads/68e37d41f377ab231052930c/reports/018503f6-0198-4ed7-9ea8-24f3f1de8f42/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-05T21:19:00Z UTC
Last seen:
2025-10-08T06:18:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/166c8a98-dc41-487e-adf2-c0bf8cfd6806
Result
Threat name:
PureLog Stealer, ResolverRAT, VIP Keylog
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1789593
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected ResolverRAT
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789593 Sample: PO - 5300-REV1_xlsx.exe Startdate: 06/10/2025 Architecture: WINDOWS Score: 100 30 reallyfreegeoip.org 2->30 32 api.telegram.org 2->32 34 2 other IPs or domains 2->34 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for submitted file 2->58 64 12 other signatures 2->64 8 PO - 5300-REV1_xlsx.exe 14 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 60 Tries to detect the country of the analysis system (by using the IP) 30->60 62 Uses the Telegram API (likely for C&C communication) 32->62 process4 dnsIp5 36 196.251.87.56, 49718, 49737, 80 SONIC-WirelessZA Seychelles 8->36 24 C:\Users\user\AppData\Roaming\Method.exe, PE32+ 8->24 dropped 26 C:\Users\user\AppData\Roaming\...\Method.vbs, ASCII 8->26 dropped 28 C:\Users\user\...\Method.exe:Zone.Identifier, ASCII 8->28 dropped 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->70 72 Writes to foreign memory regions 8->72 74 Modifies the context of a thread in another process (thread injection) 8->74 78 2 other signatures 8->78 15 InstallUtil.exe 14 2 8->15         started        76 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->76 19 Method.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 38 api.telegram.org 149.154.167.220, 443, 49740, 49754 TELEGRAMRU United Kingdom 15->38 40 checkip.dyndns.com 193.122.6.168, 49719, 49721, 49722 ORACLE-BMC-31898US United States 15->40 42 reallyfreegeoip.org 172.67.177.134, 443, 49720, 49723 CLOUDFLARENETUS United States 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 Multi AV Scanner detection for dropped file 19->46 48 Writes to foreign memory regions 19->48 50 Modifies the context of a thread in another process (thread injection) 19->50 52 2 other signatures 19->52 21 InstallUtil.exe 2 19->21         started        signatures10 process11 signatures12 66 Tries to steal Mail credentials (via file / registry access) 21->66 68 Tries to harvest and steal browser information (history, passwords, etc) 21->68
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.41 Win 64 Exe x64
Link:
https://app.malva.re/file/3317f3bf5953e9e87e65aeb8b0d702ac
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2025-10-06 01:47:47 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
12
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jl2ko6dz4wzprk2tgwhfa5lktd3x6vyxhq4tsfbatsgu44wi6qga._file
Verdict:
malicious
Label(s):
unc_loader_078
Create hunting rule
Similar samples:
0f5a5331645aa16f886e9946fa1689ee90a2b465afe1099d8de7cdf1fcc2117e
PureLogsStealer
268319224b3dbc9ecba30d20f4b1f74bac45fd3c0188de2249dbad217b374965
PureLogsStealer
2e81d3ab2fa4534bc1d7c475a53747fff869a7adde5e7453ca288e1aa0a62d7d
PureLogsStealer
2fa2803f39b96585fa885f4cf470206766b3306cb04ec06e13e4fab14dec3ecf
PureLogsStealer
40349b175d406c91e9ff816243f1906196d98b894e107687369d63f85a8f8224
PureLogsStealer
ae52c1434f0c9e729be4e94dcc7e66e05b487b554102c8e9dc7db779d33c8e09
PureLogsStealer
bddd195fcb9d1a1bc5fb86692d88b34557bebd7a5e537a4556bad195af6cff53
PureLogsStealer
c0ed3d2fbf4b6422279cf57b5278715e910ae116b4ff7e9304f7279aad206f5e
PureLogsStealer
e27a15dbdc86d507183fcddbea9e1ded556479a7b6211e911f353e9e7c05f453
PureLogsStealer
error
PureLogsStealer
f481044b3ea1b4a5d412c7932370602a96cb00763650edb290959491e3c9ef23
PureLogsStealer
+ 887 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery
Link:
https://tria.ge/reports/251006-kb6d8agr9y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b8e9d867-ad2d-44c4-80d6-a0c4e0c29a94
Unpacked files
SH256 hash:
4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c
MD5 hash:
3317f3bf5953e9e87e65aeb8b0d702ac
SHA1 hash:
3d6d5ae2197544106a43554d813f2dde6d1b1426
Link:
https://www.unpac.me/results/4481b6b1-50a4-45ce-97f5-109f298439db/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4af4a77879e5/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/4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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.

Malspam

PureLogsStealer

zip 2cc0e70513b7aa1a37e975f00e5a2d2b466bf701b12818e2fb62f06b5edcadf9

PureLogsStealer

Executable exe 4af4a77879e5b2f8ab53358e50756a98f77f57173c393914209c8d4e72c8f40c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 2cc0e70513b7aa1a37e975f00e5a2d2b466bf701b12818e2fb62f06b5edcadf9
  
Dropped by
MD5 b8157f111acd495901ded2545130e493
Cape
Cape
https://www.capesandbox.com/analysis/30741/

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