MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc. 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 7 File information Comments
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SHA256 hash: 4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
SHA3-384 hash: ac09b98fceabf5c5855f2e9544d10ca5f28e76a6b25734be1645f7e709a16b2aebdbc17391af398b7e91111753ea9a71
SHA1 hash: f5abb942792c0b2e311b2703cf460d2f53abb162
MD5 hash: 69e2c0bf315e36fae75f258a9e4eff30
humanhash: violet-salami-berlin-victor
File name:4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:3'430'912 bytes
First seen:2024-10-17 15:27:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:pTarTDEch9IByeiHj6SAIqCyF6zqZc2z74DsA+1EoIf3gLfn1LXHEWAg4M1:pTars3y9HjcCOE5QA0If3wfFz
Threatray 1'332 similar samples on MalwareBazaar
TLSH T15EF501007BE8842FE16E2771D4B39397ABB4D989F3E3E39B2D5421AD2D523446D006B3
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 JAMESWT_WT
Tags:exe PureLogStealer puritylgs-duckdns-org

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
Verdict:
Malicious activity
Analysis date:
2024-10-17 16:17:09 UTC
Tags:
purecrypter purelogs exfiltration stealer
Link:
https://app.any.run/tasks/ff61e718-c059-44e9-9cea-6ec031d9650d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Jalapeno.15700.26018.594.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67112d06e706a56b5a028b66
Tags:
Powershell Shellcode Backdoor Msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed rijndael stealer
Link:
https://www.filescan.io/uploads/67112d052b3a5d16e03d6416/reports/efccf234-41c0-4ef0-a43c-b794619481ab/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4ac29dde-9edb-47d7-a71c-d111fc28f099
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1536212
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Suricata IDS alerts for network traffic
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)
Uses dynamic DNS services
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1536212 Sample: vcMv4jkMH8.exe Startdate: 17/10/2024 Architecture: WINDOWS Score: 100 62 puritylgs.duckdns.org 2->62 64 247.106.0.0.in-addr.arpa 2->64 78 Suricata IDS alerts for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 86 8 other signatures 2->86 8 vcMv4jkMH8.exe 1 8 2->8         started        12 inetpub.exe 6 2->12         started        14 inetpub.exe 5 2->14         started        signatures3 84 Uses dynamic DNS services 62->84 process4 file5 54 C:\Users\user\AppData\Roaming\inetpub.exe, PE32 8->54 dropped 56 C:\Users\user\...\inetpub.exe:Zone.Identifier, ASCII 8->56 dropped 58 C:\Users\user\AppData\...\vcMv4jkMH8.exe.log, ASCII 8->58 dropped 88 Found many strings related to Crypto-Wallets (likely being stolen) 8->88 90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->90 92 Injects a PE file into a foreign processes 8->92 16 vcMv4jkMH8.exe 2 8->16         started        20 cmd.exe 1 8->20         started        22 cmd.exe 1 8->22         started        94 Antivirus detection for dropped file 12->94 96 Multi AV Scanner detection for dropped file 12->96 98 Machine Learning detection for dropped file 12->98 24 inetpub.exe 12->24         started        26 cmd.exe 1 12->26         started        28 cmd.exe 12->28         started        30 inetpub.exe 14->30         started        32 cmd.exe 14->32         started        34 cmd.exe 14->34         started        signatures6 process7 dnsIp8 60 puritylgs.duckdns.org 89.238.176.6, 49856, 49910, 49975 M247GB United Kingdom 16->60 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->66 68 Tries to steal Mail credentials (via file / registry access) 16->68 70 Found many strings related to Crypto-Wallets (likely being stolen) 16->70 72 Uses ipconfig to lookup or modify the Windows network settings 20->72 36 conhost.exe 20->36         started        38 ipconfig.exe 1 20->38         started        40 conhost.exe 22->40         started        42 ipconfig.exe 1 22->42         started        44 conhost.exe 26->44         started        46 ipconfig.exe 1 26->46         started        48 2 other processes 28->48 74 Tries to harvest and steal browser information (history, passwords, etc) 30->74 76 Tries to harvest and steal Bitcoin Wallet information 30->76 50 2 other processes 32->50 52 2 other processes 34->52 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Create hunting rule
Status:
Malicious
First seen:
2024-07-18 03:24:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ju4rv7khocemhwfhaurn7xojftgxbf4dwhgkgy7nskyb3dzuldoa._file
Verdict:
malicious
Label(s):
donutloader
Create hunting rule
Similar samples:
1354429a271a349329dbbfda561fe0eb43ae4005f5d3c4abdec9aef08cf23baf
PureLogsStealer
4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
PureLogsStealer
a69522136539315dfd44ee772ba94dcdb8f7ce0720f786bef4feeeca67300483
PureLogsStealer
b1db37a8d2f7d749baf32fee9e14b9387329e9c152519d70c18265e0adf48080
PureLogsStealer
bb0858a4512bf600dc3df29c5801c5c5da6732d89dce68591e6828291bd04c38
PureLogsStealer
error
PureLogsStealer
+ 1'322 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241017-swcawasgpa/
Behaviour
Gathers network information
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dc3307d2-0017-4879-9e8a-932a8f67e41a
Unpacked files
SH256 hash:
4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc
MD5 hash:
69e2c0bf315e36fae75f258a9e4eff30
SHA1 hash:
f5abb942792c0b2e311b2703cf460d2f53abb162
Link:
https://www.unpac.me/results/b40267df-ff67-47c4-a530-524fec043b29/
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/4d391afd477088c3d8a70522dfddc92ccd709783b1cca363ed92b01d8f3458dc

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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