MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb. 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 6 File information Comments

SHA256 hash:	4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb
SHA3-384 hash:	14d08c463d1c54753e1e726e5a43b25740529a34e2aa25eca359648bb2a18f758db75e5e20a8aa8af409bf10846c5d63
SHA1 hash:	643f5175b9e89f153a5fa8772603d0883cff9030
MD5 hash:	6d33ed8234fa05857cd4cd7ffbad4086
humanhash:	winner-magnesium-missouri-lactose
File name:	file
Download:	download sample
Signature	PureLogsStealer Create hunting rule
File size:	599'080 bytes
First seen:	2024-07-16 13:12:32 UTC
Last seen:	2024-07-24 13:58:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	a38d03d2b3d291f90f0d200bd42f8abf (35 x Stealc, 31 x RedLineStealer, 1 x PureLogsStealer)
ssdeep	12288:ne+uSaZ0bUAe/EQUth07zBgEkT8oEEaKqzPo54i8dEO:eaaSbhQLVabazjRdt
TLSH	T138D40151B6C0C473D622193209E4DAB5AFBEBC714BA18A5F67540F7F0F30182EA35B66
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	Bitsight
Tags:	exe PureLogStealer

Bitsight

url: http://79.137.192.13/prog/6696621cecc83_crypted.exe#xin

Intelligence

File Origin

# of uploads :

# of downloads :

370

Origin country :

Vendor Threat Intelligence

Detection(s):

Win.Keylogger.Lazy-10031941-0

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=669671e02c29bed579a47fa5win7simulatehigh_evasion

Tags:

Encryption Static

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Searching for the window

Creating a window

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Reading critical registry keys

Creating a file in the %temp% directory

Creating a file

Connection attempt to an infection source

Sending a TCP request to an infection source

Stealing user critical data

Unauthorized injection to a system process

Forced shutdown of a browser

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc overlay packed

Link:

https://www.filescan.io/uploads/669671e0f921a99b93553d0b/reports/60800ea0-1262-4e07-803d-a24c0c8ae2d9/overview

Verdict:

Malicious

Labled as:

Fragtor.Generic

Link:

https://www.hybrid-analysis.com/sample/4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/36f89f90-f1b3-493a-b51f-0997df0fb953

Result

Threat name:

PureLog Stealer, RedLine, zgRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1474219

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Contains functionality to inject code into remote processes

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Writes to foreign memory regions

Yara detected PureLog Stealer

Yara detected RedLine Stealer

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2024-07-16 13:13:07 UTC

File Type:

PE (Exe)

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jl7w65jtmh5pd6j36xhuwetijfaoijrganhbs7umhkck4n6cu25q._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery spyware stealer

Link:

https://tria.ge/reports/240716-qf3rsaxaph/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Checks installed software on the system

Reads user/profile data of web browsers

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/f95cbe50-ec92-4a84-a615-9b7b76719d6a

Unpacked files

SH256 hash:

2ab20a7bc6be31c54e626ad3644b97011016c721997ada27750d566050684991

MD5 hash:

616b73d4bf3483106035061fca08c440

SHA1 hash:

56a6108434a4336b089f694afb448e2c4d17b7bf

Detections:

MALWARE_Win_MetaStealer

Link:

https://www.unpac.me/results/6c5523e3-cd00-462e-bfd7-ca50337f187b/

SH256 hash:

4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb

MD5 hash:

6d33ed8234fa05857cd4cd7ffbad4086

SHA1 hash:

643f5175b9e89f153a5fa8772603d0883cff9030

Link:

https://www.unpac.me/results/6c5523e3-cd00-462e-bfd7-ca50337f187b/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4aff6f753361/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.91

Link:

https://yomi.yoroi.company/submissions/4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

File information

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

Web download

PureLogsStealer

exe 4aff6f753361faf1f93bf5cf4b12684940e42626034e197e8c3a84ae37c2a6bb

(this sample)

Dropped by

Privateloader

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3046891/

URLhaus

https://urlhaus.abuse.ch/url/3047753/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::DeleteAce
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread KERNEL32.dll::CreateThreadpoolWork
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleTitleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

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