MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a. 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

RustyStealer

Vendor detections: 9

Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash:	732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a
SHA3-384 hash:	542c157b2f23768194ed91b3ca7ac475487ca273324b471bc34f66c2beaa3bcd0763c108a6a2022d9e6b6a897aa9f09b
SHA1 hash:	84e4960ed1fad36636dde2be095e4ef330ba80e8
MD5 hash:	70c30480eb06b0183743d108788a2f2c
humanhash:	cola-thirteen-vegan-lemon
File name:	mtk.exe
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	4'325'888 bytes
First seen:	2023-10-24 18:42:59 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	41fcf47aab45949cb6680dfe00cbee9e (1 x RustyStealer)
ssdeep	49152:yJztu88Rw5yLMmRBOCWRgC4NqFgyMnQHhvwnKhTcF5UHsn3A1DNekUEmZT:tjFnkwssn3AN8E8T
TLSH	T1EB164A217B4A99BEC16AC070824747726A7230CF0B35BAFF459486393E66AF51F3D358
TrID	48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter	Anonymous
Tags:	exe RustyStealer

Anonymous

Retrieved from https://m.crep.vip/release.zip

Intelligence

File Origin

# of uploads :

# of downloads :

373

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

mtk.exe

Verdict:

Malicious activity

Analysis date:

2023-10-24 18:52:33 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/9ffae286-d1d3-4e02-9e39-1452ce4d8086

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/456048/

Detection(s):

SecuriteInfo.com.Trojan-PSW.Discord.8932.24481.UNOFFICIAL

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a file in the Windows subdirectories

Creating a process from a recently created file

Sending a custom TCP request

Launching many processes

Gathering data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-debug greyware

Link:

https://www.filescan.io/uploads/653810374678fc28dfc916a0/reports/3a59af03-165d-43ac-b658-39221c7f7210/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a

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/0003ba39-23fe-4a3d-a670-ee3febbaba37

Score:

74%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a/

Threat name:

Win64.Trojan.Malgent

Status:

Malicious

First seen:

2023-10-24 18:41:05 UTC

File Type:

PE+ (Exe)

AV detection:

5 of 23 (21.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=omsvdiovbf2cmfam4mp24g7fnj3krzhb7z7t7d4icva7w5pq34fa._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/231024-xcw86agg5y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Unpacked files

SH256 hash:

732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a

MD5 hash:

70c30480eb06b0183743d108788a2f2c

SHA1 hash:

84e4960ed1fad36636dde2be095e4ef330ba80e8

Link:

https://www.unpac.me/results/b83d8ba9-a98b-40ba-9c83-c931059b7c5b/

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/732551a1d5097426140ce31fae1be56a76a8e4e1fe7f3f8f881541fb75f0df0a

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:	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:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

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

Rule name:	Rustyloader_mem_loose Create hunting rule
Author:	James_inthe_box
Description:	Corroded buerloader
Reference:	https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24