MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b. 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

XWorm

Vendor detections: 9

Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash:	8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b
SHA3-384 hash:	8369eca28517d689fb3304f63ce8c1346e4321e077891fd000cd83b57ae89f34435fad30bbb38dadb3203517039e0a6b
SHA1 hash:	4a15a7ded490999eb19ba115a1dd0ce5507a1622
MD5 hash:	f8b55dcab3eeb9f3e64a3999c037122e
humanhash:	solar-whiskey-venus-black
File name:	alpha_cyber.exe
Download:	download sample
Signature	XWorm Create hunting rule
File size:	2'918'912 bytes
First seen:	2024-04-03 16:32:03 UTC
Last seen:	2024-04-03 17:24:50 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3e15aa248ffd863c4d280e6e314baf7c (4 x RustyStealer, 1 x XWorm)
ssdeep	49152:yQZTLbtyqTi0aAcRmZiqLDwNIwqTauWTXkVz7C6xtK:yQaqwSrz7C6xc
TLSH	T115D52911BB4E99ADC156C070C2478BA25A717CCA0B35BAEF4584B6343E79AF51F3C398
TrID	44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):
dhash icon	58c8d1d0cecbeeec (18 x AsyncRAT, 9 x XWorm, 6 x QuasarRAT)
Reporter	Anonymous
Tags:	exe xworm

Intelligence

File Origin

# of uploads :

# of downloads :

355

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b.exe

Verdict:

Malicious activity

Analysis date:

2024-04-03 16:34:24 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/4d929d73-0716-46a2-a4af-2c227ecfa48a

Note:

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

Result

Verdict:

Clean

Maliciousness:

Behaviour

DNS request

Connection attempt

Sending a custom TCP request

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug

Link:

https://www.filescan.io/uploads/660d848715f64ac50350d94f/reports/0908f6c3-4892-4f61-bf24-880cb788c760/overview

Verdict:

Suspicious

Labled as:

Trojan/Generic

Link:

https://www.hybrid-analysis.com/sample/8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/58af66f1-ce98-4483-a3da-ddf2f364a104

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1419636

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

13%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b/

Threat name:

Win64.Trojan.Malgent

Status:

Malicious

First seen:

2024-04-03 16:33:10 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rw5eh45mmbf4442bwzb4cfougsdx2tt25imigvbn4l3azlm2l5fq._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/240403-t1z36sfg83/

Unpacked files

SH256 hash:

8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b

MD5 hash:

f8b55dcab3eeb9f3e64a3999c037122e

SHA1 hash:

4a15a7ded490999eb19ba115a1dd0ce5507a1622

Link:

https://www.unpac.me/results/9af12c82-b137-4fc7-954e-6867c95ec3b4/

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/8dba43f3ac604bce7341b643c115d434877d4e7aea1883542de2f60cad9a5f4b

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

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

Rule name:	SEH__vectored 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.

No further information available

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
SS_API	Uses SS API	secur32.dll::AcceptSecurityContext secur32.dll::AcquireCredentialsHandleA secur32.dll::ApplyControlToken secur32.dll::DecryptMessage secur32.dll::DeleteSecurityContext secur32.dll::QueryContextAttributesW
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::WriteProcessMemory kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_API	Can Execute other programs	kernel32.dll::WriteConsoleW kernel32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	ntdll.dll::NtCreateFile ntdll.dll::NtDeviceIoControlFile kernel32.dll::FindFirstFileW
WIN_BCRYPT_API	Can Encrypt Files	bcrypt.dll::BCryptGenRandom
WIN_CRYPT_API	Uses Windows Crypt API	crypt32.dll::CertAddCertificateContextToStore crypt32.dll::CertDuplicateCertificateChain crypt32.dll::CertDuplicateCertificateContext crypt32.dll::CertDuplicateStore crypt32.dll::CertEnumCertificatesInStore crypt32.dll::CertFreeCertificateChain
WIN_REG_API	Can Manipulate Windows Registry	advapi32.dll::RegOpenKeyExW advapi32.dll::RegQueryValueExW
WIN_SOCK_API	Uses Network to send and receive data	ws2_32.dll::bind ws2_32.dll::closesocket ws2_32.dll::connect ws2_32.dll::freeaddrinfo ws2_32.dll::getaddrinfo ws2_32.dll::getpeername

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