MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123. 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

MarsStealer

Vendor detections: 16

Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash:	33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123
SHA3-384 hash:	ef9fa0206d81ccd45bc33d92b33f8d3376c303889947726d7cfae5513957df08065521cbb916ac95dfa5a91d419d2159
SHA1 hash:	a110a5cc60231af5b2d2d5f21b4495cc12f62d7a
MD5 hash:	d6876c1d11934371817b32de3e58658a
humanhash:	lactose-green-autumn-early
File name:	d6876c1d11934371817b32de3e58658a.exe
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	435'712 bytes
First seen:	2024-10-10 07:03:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9eefacf83d553309fed787be341d76f9 (2 x Stealc, 1 x MarsStealer)
ssdeep	6144:LGNB8yw+7SEg3mrdDYDFm/u1GdLPkCfw6eTy:qNB/w+VgW5DYRmWgzk02
TLSH	T1D994C00252A8EE94EBD246B3CD1DEAE8F26DF511DE49675F33086F2F1472362D222351
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
File icon (PE):
dhash icon	0208110109211100 (1 x MarsStealer)
Reporter	abuse_ch
Tags:	exe MarsStealer

Intelligence

File Origin

# of uploads :

# of downloads :

380

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

d6876c1d11934371817b32de3e58658a.exe

Verdict:

Malicious activity

Analysis date:

2024-10-10 07:08:07 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/b3099cc9-f11d-413a-9f14-aa8011b54712

Note:

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

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67077c67ab31793a7b213eb7

Tags:

Exploit Cobalt Hype Onli

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/67077c62d0ff8ff2fe482214/reports/3dd051fc-40fa-469e-8526-f221e976dfce/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123

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.

Malware family:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c6ab8acb-b100-4f3a-ba0a-eeaaf86fc1eb

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1530568

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

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

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123/

Threat name:

Win32.Backdoor.Mokes

Status:

Malicious

First seen:

2024-10-10 07:04:11 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gor3j76m2sgtusqc5ho2reisaedk35jzjfyqcuc6seozlkhlcerq._file

Verdict:

malicious

Label(s):

shellcode_loader_002

stealc

Similar samples:

error

MarsStealer

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default5_pal discovery stealer

Link:

https://tria.ge/reports/241010-hvyglswdrr/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Malware Config

C2 Extraction:

http://62.122.184.144

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/4815e80f-75ec-45e2-993d-2bd255fbfce2

Unpacked files

SH256 hash:

8b8de8911d1e3e4a49d1ecb3012ce6173575bf64585f272e79b8f96da2b6145d

MD5 hash:

149dfb018a7eebaac49ea6d3146bf781

SHA1 hash:

ea0ef236a94248be920bea4231dfbdc374245d2a

Detections:

stealc

detect_Mars_Stealer

Link:

https://www.unpac.me/results/7ff7b887-65f9-4cdd-9876-c700ce6bd131/

Parent samples :
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SH256 hash:

29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43

MD5 hash:

2ec23e83e2f63ab27c25741b1f4d7f49

SHA1 hash:

bb231b274bd66393fa830a44e6d4447d4399eeb9

Link:

https://www.unpac.me/results/7ff7b887-65f9-4cdd-9876-c700ce6bd131/

SH256 hash:

33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123

MD5 hash:

d6876c1d11934371817b32de3e58658a

SHA1 hash:

a110a5cc60231af5b2d2d5f21b4495cc12f62d7a

Link:

https://www.unpac.me/results/7ff7b887-65f9-4cdd-9876-c700ce6bd131/

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/33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123

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

MarsStealer

exe 33a3b4ffccd48d3a4a02e9dda891120106adf539497101505e911d95a8eb1123

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3224253/

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::CreateProcessW KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::WriteConsoleA KERNEL32.dll::ReadConsoleInputW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesW KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileA KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW KERNEL32.dll::GetTempPathA KERNEL32.dll::SetVolumeMountPointW KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpOpen WINHTTP.dll::WinHttpSetDefaultProxyConfiguration

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