MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3
SHA3-384 hash: 84de4f81ee5c50fdc3b3f2c1bfea4e31feb85d167706d1eee62476bc50373c7c78183c70bcd9ad900b5cc4a6d1cb4416
SHA1 hash: 584f9ec525681404d071ab594aa22479014df1bf
MD5 hash: 262733a4a53244acc4848d7e9071173b
humanhash: fruit-maine-alpha-golf
File name:1726582403038c5d0c8353e6b05ca5a4f910e7ddad0040dbd895a487bdca8645a75e052d89134.dat-decoded
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:2'117'632 bytes
First seen:2024-09-17 14:13:25 UTC
Last seen:2024-10-02 03:31:39 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 24576:dxbgVK7LoTdUH/ltcEmzCeVQiBkTnM3AOGNjv9E6L+:dxbgVye2H/o5xkzCG4
Threatray 87 similar samples on MalwareBazaar
TLSH T159A56F03BA47CAA1C148173BC5DB482443A4DAC16623F70A79CA63E619437FA6B4DF5F
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 BlindEagle dll pub-26ee9be236b54d0cb1b570a203543b93-r2-dev PureLogStealer


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
5
# of downloads :
408
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Packed2.47891.17812.7795.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e98eacf72de0d131be93c1
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed vbnet
Link:
https://www.filescan.io/uploads/66e98eb3800c7315e1ca1fbe/reports/34b5ecf3-2895-4b78-bd79-f69f404fcb41/overview
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f3af1eed-43f5-4f39-88f3-02c0b2a5d0e3
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1512559
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1512559 Sample: 1726582403038c5d0c8353e6b05... 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       
Score:
4%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3a5v5f6oa6urwpj5bypfpzjhats546d3m3mtvojtnolqgvknilbq._file
Verdict:
unknown
Similar samples:
27133b9541228c135784f7c6c3bb9425975d7e7880ae278fea040b0ffcb8eee9
PureLogsStealer
4f0262681eee56267befc15aa3cebdc50e1094a472cd6eb06bc62bb2ffd9590b
PureLogsStealer
574403dce45be3a5edec18e66f16fef5e013ce99c7713479ab67c11e6f472330
PureLogsStealer
7321dfe1ca52ad71fc1ac9c6ad0fa6e35dd3617f66062786cc1717348d261576
PureLogsStealer
8b639e8b13b92592a894a1e7abd746e733cf79fa7fcda5509dbe7821a151d314
PureLogsStealer
93eab4db399f5862fa3adceb3f0bb851015ef5769fc1ac7eb1d5f5d68b36c1c4
PureLogsStealer
d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3
PureLogsStealer
ed9ca50c6af0648ad70cf3baff98ae9ef635b612cb91dd5f3e4d6810a986698e
PureLogsStealer
+ 77 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240917-rjzd7sxarg/
Unpacked files
SH256 hash:
d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3
MD5 hash:
262733a4a53244acc4848d7e9071173b
SHA1 hash:
584f9ec525681404d071ab594aa22479014df1bf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/fddf1e58-fb64-480d-8928-5851870d0839/
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/d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3

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
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
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:PureCrypter
Create hunting rule
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

unknown 038c5d0c8353e6b05ca5a4f910e7ddad0040dbd895a487bdca8645a75e052d89

PureLogsStealer

DLL dll d83b5e97ce07a91b3d3d0e1e57e52704e5de787b66d93ab9336b9703554d42c3

(this sample)

  
Dropped by
SHA256 038c5d0c8353e6b05ca5a4f910e7ddad0040dbd895a487bdca8645a75e052d89
  
Dropped by
MD5 7a052b272a59bb05d1248608b68e02c8
  
URLhaus
https://urlhaus.abuse.ch/url/3178373/
  
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