MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc07a3c15302d47d65de672fc7181a410b26775f0293bea664bd42813b99157f. 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

GCleaner

Vendor detections: 12

Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash:	fc07a3c15302d47d65de672fc7181a410b26775f0293bea664bd42813b99157f
SHA3-384 hash:	a7b0ec861f254a3cf1ddd73c07e9333487c41ba3268700c11efd2c2b6d1e07b02fc77d120704dac9e986d9b43d3154d0
SHA1 hash:	63cbd74b3417074ce0af0c15017fb309b748f2f6
MD5 hash:	505b02b6c19a7430c25f2216c136064f
humanhash:	idaho-lemon-mirror-spring
File name:	LisectAVT_2403002B_111.exe
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	2'177'381 bytes
First seen:	2024-07-25 00:51:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	187b3ae62ff818788b8c779ef7bc3d1c (14 x Stealc, 1 x GCleaner)
ssdeep	49152:LT0OJT1frbck6hKwwT/cAjNNp9j2tWmvaVpmr:vJTdoZo5bpNVj2tWomm
TLSH	T188A5230DB493AD76DD0201744C43E6FE5A30AE31DE688A47F1C06E6BFDB2EA69352741
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)
File icon (PE):
dhash icon	4a8d250d192b3655 (1 x Stealc, 1 x GCleaner)
Reporter	Anonymous
Tags:	exe gcleaner

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

241

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.NSIS.TrojanX-gen.20490.18741.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a file

Creating a window

Сreating synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Searching for synchronization primitives

Creating a file in the %AppData% subdirectories

Running batch commands

Creating a process with a hidden window

Launching a process

Connection attempt to an infection source

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

installer lolbin mingw overlay packed shell32

Link:

https://www.filescan.io/uploads/66a1a1b85568402317155e77/reports/ffa51689-b308-45bf-8389-f89cb132a153/overview

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.

Malware family:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b149026f-4de9-450d-a92d-b3e0d8313099

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1482085

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fc07a3c15302d47d65de672fc7181a410b26775f0293bea664bd42813b99157f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fc07a3c15302d47d65de672fc7181a410b26775f0293bea664bd42813b99157f/

Threat name:

Win32.Trojan.Stealerc

Status:

Malicious

First seen:

2024-07-25 00:52:07 UTC

File Type:

PE (Exe)

Extracted files:

242

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7qd2hqktalkh2zo6m4x4oga2iefsm527akj35jtexvbico4zcv7q._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default5 discovery stealer upx

Link:

https://tria.ge/reports/240725-a75gpaxflq/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Executes dropped EXE

Loads dropped DLL

UPX packed file

Stealc

Malware Config

C2 Extraction:

http://185.172.128.145

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/83c7eb19-0f5c-40bd-a149-7b7d0e27278e

Unpacked files

SH256 hash:

8ff4e509a48d6cbcff5d325fc08ab97f37f69e5fa36fad427216b38545941661

MD5 hash:

7faf9f4744ac9a3680a6ea32ab352138

SHA1 hash:

4ec9a4769b6dccbb1a6017d08a36effc0117abe2

Link:

https://www.unpac.me/results/e79c609e-3905-4a87-8262-1fa32ea1a332/

SH256 hash:

4cc18950f5f63698850234e908b5aa158ac33cefcc01c656995a483c9b0340e4

MD5 hash:

4ede5aead6a7a91f4fc86d56c0a86751

SHA1 hash:

5eab867acfba66409012ed6a5c9852813930a199

Detections:

stealc

win_stealc_auto

Link:

https://www.unpac.me/results/e79c609e-3905-4a87-8262-1fa32ea1a332/

Parent samples :
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SH256 hash:

5fee0cbb56fcc342096e780044752cffd00f12db5f3f9b0c9b836aec876b8036

MD5 hash:

7e4d1605c70c59de5227e3d5659eb695

SHA1 hash:

b96a7f558bbb469807964b623b99824fe8fbec91

Link:

https://www.unpac.me/results/e79c609e-3905-4a87-8262-1fa32ea1a332/

SH256 hash:

2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

MD5 hash:

2b342079303895c50af8040a91f30f71

SHA1 hash:

b11335e1cb8356d9c337cb89fe81d669a69de17e

Link:

https://www.unpac.me/results/e79c609e-3905-4a87-8262-1fa32ea1a332/

SH256 hash:

7f9f090d373af7e3547e6c79ed1877aeaa8af36e82d6c264e8eb8106d4d5b9a7

MD5 hash:

d2b1c90aa00ca67563ceabd72a93aa09

SHA1 hash:

a81b6aa83e8a186f32529faa449b20f03da42f7b

Link:

https://www.unpac.me/results/e79c609e-3905-4a87-8262-1fa32ea1a332/

SH256 hash:

fc07a3c15302d47d65de672fc7181a410b26775f0293bea664bd42813b99157f

MD5 hash:

505b02b6c19a7430c25f2216c136064f

SHA1 hash:

63cbd74b3417074ce0af0c15017fb309b748f2f6

Link:

https://www.unpac.me/results/e79c609e-3905-4a87-8262-1fa32ea1a332/

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:	NSIS_April_2024 Create hunting rule
Author:	NDA0N
Description:	Detects NSIS installers

File information

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

Malspam

GCleaner

exe fc07a3c15302d47d65de672fc7181a410b26775f0293bea664bd42813b99157f

(this sample)

Link

https://bbs.kafan.cn/forum-31-1.html

Delivery method

Distributed via e-mail attachment

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
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteA SHELL32.dll::SHFileOperationA SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryExA KERNEL32.dll::GetDiskFreeSpaceA KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileA ADVAPI32.dll::SetFileSecurityA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueExA ADVAPI32.dll::RegSetValueExA
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::FindWindowExA USER32.dll::OpenClipboard USER32.dll::PeekMessageA USER32.dll::CreateWindowExA

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