MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2. 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: 14

Intelligence 14 IOCs 1 YARA 35 File information Comments

SHA256 hash:	37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2
SHA3-384 hash:	7f4fe7a61c07db8e060f43b8c0874484fd5dc5c528f883a651d78ca8839bd6f52b158f0434b9915ebb2401e56f6564aa
SHA1 hash:	4ab6addc63f832a7f6b824e908557a92b0e63fde
MD5 hash:	8e6c019243442cb0216a1c870d1d5799
humanhash:	kentucky-avocado-texas-seven
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	12'814'336 bytes
First seen:	2024-08-20 06:04:04 UTC
Last seen:	2024-09-26 10:40:10 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	556587201f237d66b513d92e6c93c7a7 (1 x Stealc)
ssdeep	98304:WAkb4NHa/lZMVn7iDgHV3CIp20mWCvEHeG5NtEzMTr971Sx/cbh1EiJA:W+xAWxmDg13CvW9+AOia
TLSH	T18BD6390BE89545E8C1EDD270C566A212BB71FC494B3423D72B60F6243F76BD0AEB9760
TrID	41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10523/12/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	f0f0f0d4d4e8f0f0 (1 x Stealc)
Reporter	Bitsight
Tags:	147-45-44-104 exe Stealc

Bitsight

url: http://147.45.44.104/yuop/66c4312fa7671_EJTechnologiesInstall.exe#grid

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://94.156.68.106/9ccb7e7554a07e52.php	https://threatfox.abuse.ch/ioc/1313757/

Intelligence

File Origin

# of uploads :

# of downloads :

360

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-08-20 06:09:39 UTC

Tags:

goinjector stealer stealc loader

Link:

https://app.any.run/tasks/b910aa99-88a7-44bf-b594-37fcf9b12e72

Note:

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

Detection(s):

SecuriteInfo.com.W64.Agent.VY.tr.18608.22789.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66c43213b2a4681a72965a14

Tags:

Generic Infostealer Network Stealth

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug golang mingw

Link:

https://www.filescan.io/uploads/66c4321064e1aef59a302e26/reports/72d30028-06c6-417d-a063-04e3d67ffef9/overview

Verdict:

Malicious

Labled as:

WinGo/TrojanDropper.Agent

Link:

https://www.hybrid-analysis.com/sample/37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2

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:

Lumma Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6948be74-4a1d-472d-a97b-00df0d83dc2f

Result

Threat name:

Go Injector, Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1495421

Signature

AI detected suspicious sample

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Found evasive API chain (may stop execution after checking locale)

Found malware configuration

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)

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Tries to harvest and steal Bitcoin Wallet information

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Tries to steal Mail credentials (via file / registry access)

Writes to foreign memory regions

Yara detected Go Injector

Yara detected Powershell download and execute

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

21%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-08-20 06:05:09 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

17 of 38 (44.74%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g7drf5pohytzacwt26rl624w4gviemxgesvwftfghioqo7xnmwza._file

Verdict:

suspicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:2 credential_access discovery spyware stealer

Link:

https://tria.ge/reports/240820-gs6vjawhqc/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Loads dropped DLL

Unsecured Credentials: Credentials In Files

Downloads MZ/PE file

Credentials from Password Stores: Credentials from Web Browsers

Stealc

Malware Config

C2 Extraction:

|http://94.156.68.133

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/fc075797-6b96-4f16-8027-2aab83f84362

Unpacked files

SH256 hash:

37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2

MD5 hash:

8e6c019243442cb0216a1c870d1d5799

SHA1 hash:

4ab6addc63f832a7f6b824e908557a92b0e63fde

Link:

https://www.unpac.me/results/c1740a55-a32f-4251-aa43-bf01a6532871/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/37c712f5ee3e/report/overview.html

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/37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2

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:	Borland Create hunting rule
Author:	malware-lu

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

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

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

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

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

Rule name:	GoBinTest Create hunting rule

Rule name:	GoInjector Create hunting rule
Author:	NDA0E
Description:	Detects Go Injector

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

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

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

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

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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

File information

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

Web download

Stealc

exe 37c712f5ee3e27900ad3d7a2bf6b96e1aa8232e624ab62cca63a1d077eed65b2

(this sample)

Dropped by

Privateloader

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3117003/

URLhaus

https://urlhaus.abuse.ch/url/3117489/

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 (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::OpenProcess 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::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetSystemDirectoryA

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