MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2. 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

Mimikatz

Vendor detections: 12

Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash:	1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2
SHA3-384 hash:	5b3f5bdbecc96bd3f192bbdb2cd13b2c0c0141c9335b27f5ab2993495ee35d52547c39d01f6f6ee71894efef7ef639bd
SHA1 hash:	7e9ba5c5eafcbb022d34be9e1a734612a39c4ac7
MD5 hash:	2fcb717d3ed2b1090767259b8de6ce6f
humanhash:	pluto-lake-victor-sweet
File name:	nvsmartmax.dll
Download:	download sample
Signature	Mimikatz Create hunting rule
File size:	1'590'784 bytes
First seen:	2024-06-27 18:36:40 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	6f30c699c45e14f2bf5c59802416fc56 (2 x Mimikatz)
ssdeep	24576:/CT1uEiSqHQH5pGJd1GdQmw7dj6ypuNiTdjvPGm3:/ClqHQZ+1GnAj4ipjnF3
TLSH	T19375BF581B974266DB693779C8B5A29009190F532F68C4B55E300D2EBE2724FFC23EBD
TrID	32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	mautshim
Tags:	dll mimikatz

Intelligence

File Origin

# of uploads :

# of downloads :

347

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.6503.17438.UNOFFICIAL

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=667db1a1f2a3d2554546aaa3win10vpnfull_triage

Tags:

n/a

Result

Verdict:

Clean

Maliciousness:

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2

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:

Generic Malware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d859185f-4e0a-47ef-90ec-ae3134ba8f73

Result

Threat name:

GhostRat, Mimikatz, Nitol

Detection:

malicious

Classification:

bank.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1463808

Signature

AI detected suspicious sample

C2 URLs / IPs found in malware configuration

Checks if browser processes are running

Contains functionality to automate explorer (e.g. start an application)

Contains functionality to capture and log keystrokes

Contains functionality to detect sleep reduction / modifications

Contains functionality to infect the boot sector

Contains functionality to modify windows services which are used for security filtering and protection

Creates an autostart registry key pointing to binary in C:\Windows

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

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Yara detected GhostRat

Yara detected Mimikatz

Yara detected Nitol

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2/

Threat name:

Win32.Trojan.CrypterX

Status:

Malicious

First seen:

2024-06-27 18:37:04 UTC

File Type:

PE (Dll)

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cvkmr5oeywbe4optyffns4uic6h6yxy2rltqpikr3kryfv7ps7ja._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/240627-w9fr1avape/

Behaviour

Suspicious use of WriteProcessMemory

Unpacked files

SH256 hash:

1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2

MD5 hash:

2fcb717d3ed2b1090767259b8de6ce6f

SHA1 hash:

7e9ba5c5eafcbb022d34be9e1a734612a39c4ac7

Link:

https://www.unpac.me/results/70f1b3d7-343d-45e7-82a2-019d576e352a/

Malware family:

Mimikatz

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1554c8f5c4c5/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/1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2

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

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

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

File information

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

Web download

Mimikatz

DLL dll 1554c8f5c4c5824e39f3c14ad97288178fec5f1a8ae707a151daa382d7ef97d2

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2909471/

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

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::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegSetValueExA

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