MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c. 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

AsyncRAT

Vendor detections: 14

Intelligence 14 IOCs YARA 17 File information Comments 1

SHA256 hash:	26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c
SHA3-384 hash:	fd1819c3cd9f4be0ed9c5f340ecafe52defd197c9dbe15996adc5165d9e17a7197da400e111a9a4fc69472ffc769d089
SHA1 hash:	ffdae6420b46c07f84b36bfda9e54f147ab3386c
MD5 hash:	ede760a4c20a81d5daa34f23e9134c40
humanhash:	floor-eighteen-quiet-quiet
File name:	ede760a4c20a81d5daa34f23e9134c40
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	10'361'655 bytes
First seen:	2024-04-15 22:19:28 UTC
Last seen:	2024-04-15 23:27:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	1af6c885af093afc55142c2f1761dbe8 (49 x PythonStealer, 40 x BlankGrabber, 14 x LunaLogger)
ssdeep	196608:7hib8+7f5Con3dDTbLjv+bhqNVoeLSEsucFSEXIBHwa51PxRf0:c8g5CetHL+9qzTLSJHc3Hn5fRf
TLSH	T1C3A63314F3841EF9F8AE823D86A5D876A77374119764C69F4B7823700F039E2B436B66
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)
File icon (PE):
dhash icon	f8b8eaec90e380d0 (1 x AsyncRAT)
Reporter	zbetcheckin
Tags:	64 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

350

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c.exe

Verdict:

Malicious activity

Analysis date:

2024-04-15 22:22:36 UTC

Tags:

python asyncrat rat remote

Link:

https://app.any.run/tasks/3bd8fad0-9978-43bb-89e4-dc428626206a

Note:

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

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Restart of the analyzed sample

Creating a file in the %AppData% subdirectories

DNS request

Connection attempt

Delayed reading of the file

Sending a custom TCP request

Creating a window

Setting a single autorun event

Verdict:

No Threat

Threat level:

2.5/10

Confidence:

100%

Tags:

expand lolbin overlay packed packed pyinstaller pyinstaller

Link:

https://www.filescan.io/uploads/661da81475339da04f924868/reports/a68aa69e-e450-4e54-b4b8-4432c03f6d1f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c

Result

Verdict:

MALICIOUS

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/7fa9c881-bb32-45d4-abb8-c20ca2b183b3

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c/

Threat name:

Win64.Trojan.Scar

Status:

Malicious

First seen:

2024-04-15 22:20:06 UTC

File Type:

PE+ (Exe)

Extracted files:

864

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e34zbffswo6c6aw2sabngqvskul5my5a27fanlwgmwrdcg7tmmga._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

7/10

Tags:

pyinstaller upx

Link:

https://tria.ge/reports/240415-183btsbh4z/

Behaviour

Suspicious use of WriteProcessMemory

Loads dropped DLL

UPX packed file

Unpacked files

SH256 hash:

26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c

MD5 hash:

ede760a4c20a81d5daa34f23e9134c40

SHA1 hash:

ffdae6420b46c07f84b36bfda9e54f147ab3386c

Detections:

PyInstaller

Link:

https://www.unpac.me/results/46edb16d-c95c-4e7a-82b9-64dbdd174414/

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/26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	DebuggerCheck__API 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:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

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

Rule name:	PyInstaller Create hunting rule
Author:	@bartblaze
Description:	Identifies executable converted using PyInstaller.

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:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

File information

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

Web download

AsyncRAT

exe 26f99094b2b3bc2f02da9002d342b25517d663a0d7ca06aec665a2311bf3630c

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2813363/

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 (FORCE_INTEGRITY)	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::ConvertSidToStringSidW ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDriveTypeW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::RemoveDirectoryW KERNEL32.dll::SetDllDirectoryW
WIN_USER_API	Performs GUI Actions	USER32.dll::CreateWindowExW

Comments

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zbet commented on 2024-04-15 22:19:29 UTC

url : hxxps://api.discreetshare.com/download/661d9eb70e16ec15c9165e54/