MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e. 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: 11

Intelligence 11 IOCs YARA 7 File information Comments 1

SHA256 hash:	97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e
SHA3-384 hash:	0a8662d3c38ad8d6f0276c1673aea47ac57ba8ec00271030dda1bd8b7fb2416c852ab5330c5d27500cbb05ac26d28390
SHA1 hash:	e9b1aca24b9828e5b5ad01281a02d504a829aff3
MD5 hash:	b3b47f0db50303c0f3c6f48c55a1b94c
humanhash:	maryland-blue-wyoming-black
File name:	Sig.exe
Download:	download sample
Signature	PureLogsStealer Create hunting rule
File size:	2'966'232 bytes
First seen:	2024-04-22 12:10:20 UTC
Last seen:	2024-04-22 14:31:09 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	7f379848125893f6a5658e249931398d (2 x PureLogsStealer)
ssdeep	49152:AeaacSl8Gb4CieDSmzDQfCHNU/bgHCUnfATKFudrZ5RYBWzQEZP7EpVhuQ6cKc18:AeaacSl8Gb4CieDNDQfCmzgHCUodrZYo
TLSH	T111D5AE11EB41C136F5E704B1CABD426E9264AE710314A4C7B3C41E6FDEB89E2BD3295B
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	1f316d8e8e497307 (1 x Troldesh, 1 x PureLogsStealer, 1 x LummaStealer)
Reporter	NDA0E
Tags:	exe PureLogStealer zgRAT

Intelligence

File Origin

# of uploads :

# of downloads :

326

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Launching a process

Creating a window

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

crypto evasive explorer fingerprint keylogger lolbin overlay packed rundll32 shell32

Link:

https://www.filescan.io/uploads/662653da47bfd8641eb260a6/reports/938f4dab-2815-42ca-8bb6-635cdc1d1256/overview

Verdict:

Malicious

Labled as:

Win/grayware_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e

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/ff3c50d2-a17e-456e-b13c-8850e048af56

Result

Threat name:

PureLog Stealer, zgRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1429625

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Allocates memory in foreign processes

Antivirus detection for dropped file

Contains functionality to capture screen (.Net source)

Drops large PE files

Drops PE files to the document folder of the user

Found many strings related to Crypto-Wallets (likely being stolen)

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

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)

Writes to foreign memory regions

Yara detected Costura Assembly Loader

Yara detected PureLog Stealer

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

46%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-04-22 11:52:57 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

13 of 23 (56.52%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=s4lv6r3624glrk4omqlfgjkymei2hfdego525hqdxattvqdafy7a._file

Verdict:

malicious

Result

Malware family:

zgrat

Score:

10/10

Tags:

family:zgrat collection persistence rat

Link:

https://tria.ge/reports/240422-pck7wsba83/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Adds Run key to start application

Detect ZGRat V1

ZGRat

Unpacked files

SH256 hash:

bbba7e2f38bbb874b21a6bf50c582aeb68becfa8f0f19f0eb60c853ac7458efa

MD5 hash:

aa3ca67979cfb938176ee8c0708b16bf

SHA1 hash:

f33e3bb19546e72bf63fe740b27a49387c15a56d

Link:

https://www.unpac.me/results/bddb53ab-3c85-40e4-a381-25d60e7025ad/

SH256 hash:

20947eebaad3b5eeece0b96d6db1836e7ae8c9a774e6b25b960dc54a84c77f85

MD5 hash:

5ec9937603fc6c2982a7e4ca380f5606

SHA1 hash:

a7f2556688d481cb2fe0673e769282f86d938ada

Link:

https://www.unpac.me/results/bddb53ab-3c85-40e4-a381-25d60e7025ad/

SH256 hash:

905f078a177fd0b2ea2b9b0044665f534c85446bced47e5885b3f06a97f1a855

MD5 hash:

ab3cd1aedfb48b39c780d524eff60b04

SHA1 hash:

a24e963f732e434c572b73f6e2ed592f93846dec

Link:

https://www.unpac.me/results/bddb53ab-3c85-40e4-a381-25d60e7025ad/

SH256 hash:

6cf798640569d3827263db0e13c32b92e6e90bb9fb2ea257f1006e1c352e0194

MD5 hash:

1c3bcbc8faa7e0bff868e0e25250425c

SHA1 hash:

3d8c805e8c3b0ea29d58acefa3b040d2f1c6c00d

Link:

https://www.unpac.me/results/bddb53ab-3c85-40e4-a381-25d60e7025ad/

SH256 hash:

97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e

MD5 hash:

b3b47f0db50303c0f3c6f48c55a1b94c

SHA1 hash:

e9b1aca24b9828e5b5ad01281a02d504a829aff3

Link:

https://www.unpac.me/results/bddb53ab-3c85-40e4-a381-25d60e7025ad/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/97175f477ed7/report/overview.html

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

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

File information

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

Web download

PureLogsStealer

exe 97175f477ed70cb8ab8e64165325586111a3946433bbae9e03b8273ac0602e3e

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2823093/

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

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::ConvertSidToStringSidW ADVAPI32.dll::ConvertStringSidToSidW ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetSidSubAuthority
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdipGetImageEncoders gdiplus.dll::GdipGetImageEncodersSize gdiplus.dll::GdipDeleteGraphics gdiplus.dll::GdipFillRectangleI gdiplus.dll::GdipFillRectangle gdiplus.dll::GdipDeleteBrush
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::SetTokenInformation
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateRemoteThread KERNEL32.dll::CreateProcessW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeW KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::WriteConsoleA KERNEL32.dll::FreeConsole KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW SHELL32.dll::SHCreateDirectoryExW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::CreateFileA
WIN_CRYPT_API	Uses Windows Crypt API	CRYPT32.dll::CryptBinaryToStringA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyA ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegOpenKeyW
WIN_TRUST_API	Uses Windows Trust API	WINTRUST.dll::WinVerifyTrust WINTRUST.dll::WTHelperProvDataFromStateData
WIN_USER_API	Performs GUI Actions	USER32.dll::FindWindowW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

Comments

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commented on 2024-04-22 12:26:55 UTC

C2: 87.120.84.140:7702