MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b. 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: 16

Intelligence 16 IOCs 1 YARA 2 File information Comments

SHA256 hash:	422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b
SHA3-384 hash:	281039af02f5cd3132fc1f5341864c53601c5dc689b030ffdc112cc898864ec45fee242d0167aa2d38c9037ef48c030e
SHA1 hash:	91db4bc09a4976db1b9922e09f2330b48ae50338
MD5 hash:	91be25f31b7891908a50dfdc9f03f2b4
humanhash:	march-nineteen-william-london
File name:	91be25f31b7891908a50dfdc9f03f2b4.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	265'728 bytes
First seen:	2024-10-14 08:00:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	26a7df6d78a90bac0a71dda0842d4e4f (2 x Stealc)
ssdeep	3072:7jbcVSAwzdpaK6AQcrI+t5wCyxF9Davc5oUCIqzpjAqMi:PbcgeKJ8/4c5oVIqzpjAqh
TLSH	T1EC44088162F16C13EFB64B325E39D994363FBCA25E7572DFA100762F187B1A0A513B12
TrID	39.5% (.EXE) InstallShield setup (43053/19/16) 28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.6% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	0413013131210b04 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://178.159.43.166/89a010d49355fde0.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://178.159.43.166/89a010d49355fde0.php	https://threatfox.abuse.ch/ioc/1336213/

Intelligence

File Origin

# of uploads :

# of downloads :

436

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

91be25f31b7891908a50dfdc9f03f2b4.exe

Verdict:

Malicious activity

Analysis date:

2024-10-14 08:02:58 UTC

Tags:

loader smokeloader

Link:

https://app.any.run/tasks/e8d2ae10-1330-4e70-8e22-b9032b50d984

Note:

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

Detection(s):

SecuriteInfo.com.Win32.CrypterX-gen.11720.23381.UNOFFICIAL

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=670ccfc2707bcd8537fb83a4

Tags:

Phishing Hype Onli

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/670ccfc3a3cc924e39fc97b6/reports/36d7617d-9090-4bcc-8908-3f1241c403b5/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b

Result

Verdict:

SUSPICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/04d9a2e0-f0f8-426a-bbd4-553f8d986f87

Result

Threat name:

SmokeLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1533009

Signature

AI detected suspicious sample

Benign windows process drops PE files

C2 URLs / IPs found in malware configuration

Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))

Checks if the current machine is a virtual machine (disk enumeration)

Creates a thread in another existing process (thread injection)

Deletes itself after installation

Detected unpacking (changes PE section rights)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Query firmware table information (likely to detect VMs)

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

System process connects to network (likely due to code injection or exploit)

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b/

Threat name:

Win32.Trojan.SmokeLoader

Status:

Malicious

First seen:

2024-10-14 08:01:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=iiwsz2sjwah5zc4xw5nwemaghbscn3bdmn6fgna6apjfbzp74inq._file

Verdict:

malicious

Label(s):

smokeloader

shellcode_loader_002

Similar samples:

error

Stealc

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub3 backdoor discovery trojan

Link:

https://tria.ge/reports/241014-jwlpwasckd/

Behaviour

Checks SCSI registry key(s)

Program crash

System Location Discovery: System Language Discovery

SmokeLoader

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/5bd3d66d-2b86-416d-8212-4a92ee799192

Unpacked files

SH256 hash:

fbc27669946a1374e80eabdbffe6cc9c68766ffc7bf187bbba24ada65405372f

MD5 hash:

d11c9c67d584d187cdc6004f872f7b48

SHA1 hash:

4e5fd00a3d3ca2ab3f685a88c7d04dd925a43dbe

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/95ec9ec3-1368-4535-9230-43e575c62524/

Parent samples :
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SH256 hash:

422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b

MD5 hash:

91be25f31b7891908a50dfdc9f03f2b4

SHA1 hash:

91db4bc09a4976db1b9922e09f2330b48ae50338

Link:

https://www.unpac.me/results/95ec9ec3-1368-4535-9230-43e575c62524/

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/422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b

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

File information

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

Web download

Stealc

exe 422d2cea49b00fdc8b97b75b623006386426ec23637c53341e03d250e5ffe21b

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3232908/

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::DeleteVolumeMountPointA KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::ReadConsoleOutputW KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasesLengthA KERNEL32.dll::GetConsoleWindow KERNEL32.dll::GetConsoleFontSize KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::MoveFileA KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW KERNEL32.dll::QueryDosDeviceA

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