MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97164081607b6fdb9b095cb01bb0a818fc77db92dad38b910b05a90160748756. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: 97164081607b6fdb9b095cb01bb0a818fc77db92dad38b910b05a90160748756
SHA3-384 hash: 6e37666199e856b06024ffc80e7b578fb7ca28526c6009e6b87e4eeee5a5e1fe2241a6746f07847340658b943fdd4623
SHA1 hash: 597db49da28cbb7f1f4ef39986e86ea3483d4e10
MD5 hash: 82e6e5e2f96206e2d7940126ad070e7d
humanhash: violet-ink-speaker-india
File name:172658376616912b71bdefbb0b9e0b0e71d85b0095880d4dc250239e7d26e12454f7f6badf475.dat-decoded
Download: download sample
Signature PureLogsStealer
File size:2'119'680 bytes
First seen:2024-09-17 14:36:07 UTC
Last seen:2024-09-18 09:51:44 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 24576:wuW/6o0TlMD/ThcZxjW/repx3va2uCjOKVskO1N205dBeTjz:jFlMD/ThkxjDNht020TBeb
Threatray 63 similar samples on MalwareBazaar
TLSH T1C3A57103BA46CEA1C1585F3AC5DA482443A4DA817723F73B798F232559433BA6B4DE4F
TrID 71.4% (.DLL) Generic .NET DLL/Assembly (236632/4/32)
17.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:base64-decoded dll pub-26ee9be236b54d0cb1b570a203543b93-r2-dev PureLogStealer


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
3
# of downloads :
439
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Tags:
Generic Static Stealth
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed vbnet
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Sigma detected: Execute DLL with spoofed extension
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1512620 Sample: 172658376616912b71bdefbb0b9... Startdate: 17/09/2024 Architecture: WINDOWS Score: 68 15 Yara detected PureLog Stealer 2->15 17 Sigma detected: Execute DLL with spoofed extension 2->17 19 .NET source code contains potential unpacker 2->19 21 2 other signatures 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process5 13 rundll32.exe 9->13         started       
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
97164081607b6fdb9b095cb01bb0a818fc77db92dad38b910b05a90160748756
MD5 hash:
82e6e5e2f96206e2d7940126ad070e7d
SHA1 hash:
597db49da28cbb7f1f4ef39986e86ea3483d4e10
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter

File information


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

Web download

PureLogsStealer

DLL dll 97164081607b6fdb9b095cb01bb0a818fc77db92dad38b910b05a90160748756

(this sample)

  
Delivery method
Distributed via web download

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