MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73. 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: 13

Intelligence 13 IOCs 1 YARA 22 File information Comments

SHA256 hash:	2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73
SHA3-384 hash:	22780c63dd2af488bcfa20cd0ad51c899c07ddf9d5524b9dc9a30f5fa5657ae5516767c5cf845b97bbfada53727149e5
SHA1 hash:	8d9100fcc2e55df7c20954d459c1a6c5861228a1
MD5 hash:	26a77a61fb964d82c815da952ebedb23
humanhash:	neptune-white-vegan-diet
File name:	26a77a61fb964d82c815da952ebedb23.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	2'515'968 bytes
First seen:	2024-06-25 01:05:21 UTC
Last seen:	2024-06-25 01:37:09 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep	49152:6ia4dCxGEzut9XYlu2fFNwLTxiYumd7Q/BFEUS2NbUd2Tb1:fKEEze9Uu2f8/cLmdcPSqbUdch
TLSH	T124C533C284014F03CBB1E5772B913C25DDA6D17445E07B4D3989B4A78F8A9ABE3C1DAB
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://85.28.47.4/920475a59bac849d.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://85.28.47.4/920475a59bac849d.php	https://threatfox.abuse.ch/ioc/1288515/

Intelligence

File Origin

# of uploads :

# of downloads :

348

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73.exe

Verdict:

Malicious activity

Analysis date:

2024-06-25 01:05:49 UTC

Tags:

stealer stealc loader

Link:

https://app.any.run/tasks/92d7a856-621a-4f52-8fde-67dd46650906

Note:

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

Detection(s):

PUA.Win.Packer.EnigmaProtector-9852682-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=667a17fbff0cdfb06de5f68dwin7simulatehigh_evasion

Tags:

Stealth Zpack

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Launching a process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

enigma lolbin microsoft_visual_cc packed packed shell32

Link:

https://www.filescan.io/uploads/667a17fbce78046c1aae1e62/reports/1e33ad42-a807-431d-a088-c3be9880ddd2/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73

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/03f43dee-7b0d-4731-a032-f2f030d26378

Result

Threat name:

Mars Stealer, Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1462096

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

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

Found malware configuration

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

Hides threads from debuggers

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

PE file has nameless sections

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Snort IDS alert 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)

Yara detected Mars stealer

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-06-25 01:06:06 UTC

File Type:

PE (Exe)

AV detection:

16 of 24 (66.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fylgfpelsoum5jss7elk7jrizzleny5wfuk46wcbrd356btnzjzq._file

Verdict:

suspicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default discovery spyware stealer

Link:

https://tria.ge/reports/240625-bf3pfsvgnp/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Program crash

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://85.28.47.4

Unpacked files

SH256 hash:

2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73

MD5 hash:

26a77a61fb964d82c815da952ebedb23

SHA1 hash:

8d9100fcc2e55df7c20954d459c1a6c5861228a1

Link:

https://www.unpac.me/results/fab65c0e-53e0-4a8f-adb7-87b1df03b6ec/

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/2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73

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

Rule name:	detect_Mars_Stealer Create hunting rule
Author:	@malgamy12
Description:	detect_Mars_Stealer

Rule name:	EnigmaStub Create hunting rule
Author:	@bartblaze
Description:	Identifies Enigma packer stub.

Rule name:	HeavensGate Create hunting rule
Author:	kevoreilly
Description:	Heaven's Gate: Switch from 32-bit to 64-mode

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of MFA browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	infostealer_win_stealc_standalone Create hunting rule
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

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

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	malware_Stealc_str Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	Stealc infostealer

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

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

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Trojan_Stealc_b8ab9ab5 Create hunting rule
Author:	Elastic Security

Rule name:	win_stealc_w0 Create hunting rule
Author:	crep1x
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

Rule name:	yara_template Create hunting rule

File information

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

Web download

Stealc

exe 2e1662bc8b93a8cea652f916afa628ce5646e3b62d15cf584188f7df066dca73

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2903968/

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
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA
WIN_BASE_IO_API	Can Create Files	version.dll::GetFileVersionInfoA

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