MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1. 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

Stealc

Vendor detections: 15

Intelligence 15 IOCs 1 YARA 13 File information Comments

SHA256 hash:	a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1
SHA3-384 hash:	00fe11d2656adb5c27aac5bf88880a004e2b2768f033b62409495448d7c27bdc88ad976fb43f6238e61b26433d0fda75
SHA1 hash:	2cb59f35292b92d79c6a4c569c58b5871bd9bf94
MD5 hash:	f6c26e56c21e80ece28c34c1491cd173
humanhash:	vegan-florida-white-fish
File name:	updateload.bin
Download:	download sample
Signature	Stealc Create hunting rule
File size:	7'470'520 bytes
First seen:	2024-08-04 06:54:21 UTC
Last seen:	2024-08-04 07:46:22 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d1fd5ff661932c5f362f8a5929c8eb63 (2 x Rhadamanthys, 1 x Stealc)
ssdeep	98304:diMrdaUIJ3sxQvmzLvqwBOZTcjgxffDjqJLzEw5blkyD9OQUYn:Yi68xQ+zLJOZwjgZbeB0Yn
TLSH	T1CF769D63F2C4243FC07B1A364C3B9754997FBB612A1A8C5B2BA41C9CCF356843D26A57
TrID	46.7% (.EXE) Inno Setup installer (107240/4/30) 25.0% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 18.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 4.5% (.EXE) Win64 Executable (generic) (10523/12/4) 1.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	1a7cdadccc85c0c0 (2 x Rhadamanthys, 1 x Stealc)
Reporter	vm001cn
Tags:	45-152-112-131 exe Rhadamanthys Stealc

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
http://45.152.112.131/8ee66a3c8f19e4b5.php	https://threatfox.abuse.ch/ioc/1306889/

Intelligence

File Origin

# of uploads :

# of downloads :

392

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

https://pan.huang1111.cn/s/nqKYMHm

Verdict:

Malicious activity

Analysis date:

2024-08-04 06:48:36 UTC

Tags:

sharepoint possible-phishing stealer stealc loader rhadamanthys

Link:

https://app.any.run/tasks/eef1b828-5496-4be4-a439-d01480dce840

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66af25cb037b02d0daed6e21

Tags:

Encryption Execution Generic Infostealer Network Static Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Searching for synchronization primitives

Launching cmd.exe command interpreter

Creating a file in the %temp% directory

Launching a process

Connection attempt

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

embarcadero_delphi evasive explorer fingerprint keylogger lolbin masquerade overlay packed remote

Link:

https://www.filescan.io/uploads/66af25c7fb08d6d234be1065/reports/902ae8f1-6373-40f7-9255-661cba773e62/overview

Verdict:

Malicious

Labled as:

Trojan/Generic

Link:

https://www.hybrid-analysis.com/sample/a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1

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/a8f6b231-771e-472c-8152-df1bfcd4dc7b

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1487448

Signature

AI detected suspicious sample

Deletes itself after installation

Found direct / indirect Syscall (likely to bypass EDR)

Found hidden mapped module (file has been removed from disk)

Injects code into the Windows Explorer (explorer.exe)

Machine Learning detection for dropped file

Maps a DLL or memory area into another process

May use the Tor software to hide its network traffic

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file has a writeable .text section

Switches to a custom stack to bypass stack traces

Writes to foreign memory regions

Yara detected Powershell download and execute

Behaviour

Behavior Graph:

Download SVG

Score:

49%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1

Detection:

azorult

Link:

https://mwdb.cert.pl/sample/a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vchdiyl2qlxi6a6dhxwxsbbkbwhumvo26tpebwaz45cer6odj7aq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:hijackloader family:stealc botnet:meowsterioland3 credential_access discovery loader spyware stealer

Link:

https://tria.ge/reports/240804-hpsdeatcpe/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Deletes itself

Loads dropped DLL

Unsecured Credentials: Credentials In Files

Downloads MZ/PE file

Credentials from Password Stores: Credentials from Web Browsers

Detects HijackLoader (aka IDAT Loader)

HijackLoader

Stealc

Malware Config

C2 Extraction:

http://45.152.112.131

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a07ed7d6-1184-4814-b22f-e032274689b8

Unpacked files

SH256 hash:

a88e34617a82ee8f03c33ded79042a0d8f4655daf4de40d819e74448f9c34fc1

MD5 hash:

f6c26e56c21e80ece28c34c1491cd173

SHA1 hash:

2cb59f35292b92d79c6a4c569c58b5871bd9bf94

Link:

https://www.unpac.me/results/2b1559c5-91c3-4e50-bca1-7178c26d3f28/

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

Rule name:	Borland Create hunting rule
Author:	malware-lu

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

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	QbotStuff Create hunting rule
Author:	anonymous

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

File information

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

No further information available

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
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	winmm.dll::sndPlaySoundW gdi32.dll::StretchDIBits winmm.dll::timeGetTime
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteW
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA kernel32.dll::LoadLibraryExW kernel32.dll::LoadLibraryW kernel32.dll::GetSystemInfo kernel32.dll::GetStartupInfoW kernel32.dll::GetDiskFreeSpaceW
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateDirectoryW kernel32.dll::CreateFileW kernel32.dll::DeleteFileW kernel32.dll::GetFileAttributesW kernel32.dll::FindFirstFileW kernel32.dll::RemoveDirectoryW
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegConnectRegistryW advapi32.dll::RegCreateKeyExW advapi32.dll::RegDeleteKeyW advapi32.dll::RegLoadKeyW advapi32.dll::RegOpenKeyExW advapi32.dll::RegOpenKeyExA
WIN_USER_API	Performs GUI Actions	user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::EmptyClipboard user32.dll::FindWindowExW user32.dll::FindWindowW user32.dll::OpenClipboard

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