MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616. 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

Threat unknown

Vendor detections: 15

Intelligence 15 IOCs YARA 26 File information Comments 1

SHA256 hash:	b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616
SHA3-384 hash:	f8212a02f9b69e1bef3b9efb0e2b7031843edf67d82a64cc1eef426fcb2208f7784b3937560f5d5527ec2a46ebdff709
SHA1 hash:	2a50162ade61a6dd7607e07a452473e3121779f3
MD5 hash:	9645b298387d88c5cb6eba1b926d40d1
humanhash:	quiet-mockingbird-leopard-twelve
File name:	9645b298387d88c5cb6eba1b926d40d1
Download:	download sample
File size:	1'889'792 bytes
First seen:	2024-06-16 05:28:36 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	6ed4f5f04d62b18d96b26d6db7c18840 (412 x SalatStealer, 78 x BitRAT, 42 x RedLineStealer)
ssdeep	49152:8Dmghls3y1+XfWL6Vcp5/6tCbloi1GbGfZ6h8Ud2SZ:2mghls5Bq/gCr
Threatray	2 similar samples on MalwareBazaar
TLSH	T1D1953365CACA904BD0093436B769D590D08EE12EC8BD449F4302C7FB25F7FE60A5CB96
TrID	32.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 28.9% (.EXE) Win32 Executable (generic) (4504/4/1) 13.0% (.EXE) OS/2 Executable (generic) (2029/13) 12.8% (.EXE) Generic Win/DOS Executable (2002/3) 12.8% (.EXE) DOS Executable Generic (2000/1)
Reporter	zbetcheckin
Tags:	32 exe UPX

Intelligence

File Origin

# of uploads :

# of downloads :

511

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616.exe

Verdict:

Malicious activity

Analysis date:

2024-06-16 05:29:42 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/11d06a07-0e94-42e9-aa70-698586e128ed

Note:

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

Detection(s):

Win.Malware.Lazy-9969515-0

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666e79960f8138dd4ea8d56cwin7simulatehigh_evasion

Tags:

Stealth Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file

DNS request

Connection attempt

Sending a custom TCP request

Launching a process

Creating a window

Sending an HTTP GET request

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

monero packed packed packed upx

Link:

https://www.filescan.io/uploads/666e7820ea679c2da9186ad5/reports/53e0ea7b-d8f2-4793-8927-3529dbf654da/overview

Verdict:

Malicious

Labled as:

Fragtor.Generic

Link:

https://www.hybrid-analysis.com/sample/b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616

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:

Kaiji

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/84ad6cfd-50a1-4569-a900-7889ac2ae865

Result

Threat name:

Chaos

Detection:

malicious

Classification:

troj.expl

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1457940

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Connects to many different private IPs (likely to spread or exploit)

Drops PE files with benign system names

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Files With System Process Name In Unsuspected Locations

Sigma detected: System File Execution Location Anomaly

Uses known network protocols on non-standard ports

Yara detected Chaos

Behaviour

Behavior Graph:

Download SVG

Score:

73%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-06-14 15:09:18 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wugid42m6d5txcssb64bwzghi63wr2ctvnfxncqkrmctsei6iyla._file

Verdict:

malicious

fb69b4b5637a6b7aa40ba7ae56ed617d375f67984c3028a7607e1764fdda8490

Result

Malware family:

n/a

Score:

7/10

Tags:

persistence upx

Link:

https://tria.ge/reports/240616-f6kc1s1fja/

Behaviour

GoLang User-Agent

Adds Run key to start application

UPX packed file

Unpacked files

SH256 hash:

22067b452077fbdbb74a132398b9481f66e8f77aded8834a0b9dbc6030c2bc59

MD5 hash:

b0692d2e28d4fda9eb40ea93b1933eb5

SHA1 hash:

1cd0414946b559247c4135e4ceab8f0cc2ee486e

Detections:

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Link:

https://www.unpac.me/results/9554d387-f53c-4616-a512-71783480a82b/

SH256 hash:

e7d131007fc4f4b390877ef7a635c3d20073eb1042836bf82dca2d2b0c983374

MD5 hash:

7fc69bc4287903ba5a6683dacceb48d1

SHA1 hash:

2d0202b85f394a2a2a642cc9c5f39cea9c08fe82

Detections:

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Link:

https://www.unpac.me/results/9554d387-f53c-4616-a512-71783480a82b/

SH256 hash:

b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616

MD5 hash:

9645b298387d88c5cb6eba1b926d40d1

SHA1 hash:

2a50162ade61a6dd7607e07a452473e3121779f3

Detections:

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/9554d387-f53c-4616-a512-71783480a82b/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.89

Link:

https://yomi.yoroi.company/submissions/b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616

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

Rule name:	DebuggerException__ConsoleCtrl 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:	ELF_Kaiji_Chaos_April_2024 Create hunting rule
Author:	NDA0N
Description:	Detects Chaos, variant of Kaiji

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	Linux_Trojan_Kaiji_91091be3 Create hunting rule
Author:	Elastic Security

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

Rule name:	NET Create hunting rule
Author:	malware-lu

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

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

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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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

Rule name:	UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

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

exe b50c81f34cf0fb3b8a520fb81b64c747b768e853ab4b768a0a8b0539111e4616

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2888531/

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_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA

Comments

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zbet commented on 2024-06-16 05:28:38 UTC

url : hxxp://103.116.246.38:8088/win.exe