MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436. 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: 19

Intelligence 19 IOCs YARA 17 File information Comments 1

SHA256 hash:	33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436
SHA3-384 hash:	744ea9ad0c58e982595e82847bd496553ed6637e5592c860a3292b8044e0cbe031a3033b74283d2c100c8a13c141db5b
SHA1 hash:	138dc85fb2f213537d673720b52a2c56e1bb0a21
MD5 hash:	e55c5a3aa16ed38b9d451601f12527f8
humanhash:	nebraska-london-gee-louisiana
File name:	1736928425effdd3d663e7ae08ee64667d92e2866d7996db3d213458dc5837f6c732ac1388894.dat-decoded
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	36'864 bytes
First seen:	2025-01-15 08:07:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	768:sL13A5Uno9RfHWa2B71eo8icH1bxbFb9EcOMh2iQXvq7G:axA5Uno9JHWXZeNicH1bBFb9EcOMh6c
TLSH	T11BF24C48BBE04216D9ED6BF5A97372020674EA13D917EB4E4CD486D76F23BC48D013EA
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	abuse_ch
Tags:	AsyncRAT base64-decoded exe

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

438

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1736928425effdd3d663e7ae08ee64667d92e2866d7996db3d213458dc5837f6c732ac1388894.dat-decoded

Verdict:

Malicious activity

Analysis date:

2025-01-15 08:17:34 UTC

Tags:

xworm

Link:

https://app.any.run/tasks/5068849c-be64-49ef-b2b7-625cf5bb476d

Note:

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

Detection(s):

Win.Packed.njRAT-10002074-1

Win.Packed.Msilzilla-10019837-0

Win.Packed.Loveletter-10023052-0

Win.Packed.Loveletter-10024677-0

Win.Packed.Msilzilla-10026193-0

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67876ce34487910100df3480

Tags:

asyncrat keylog micro word

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a window

Setting a global event handler for the keyboard

Connection attempt to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat backdoor hook keylogger njrat packed packer_detected rat vbnet

Link:

https://www.filescan.io/uploads/67876cf73cc8c9ed42846d5f/reports/78bfe02f-68fe-4b7f-b499-0ae138ff9542/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436

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:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/504b2b5e-b3af-4f0f-9cae-430d4ea5b462

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1591662

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Found potential dummy code loops (likely to delay analysis)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436/

Threat name:

Win32.Exploit.Xworm

Status:

Malicious

First seen:

2025-01-15 08:08:04 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gpk7wryiefzzpimlx2r2dyima5kexoa6mqsvl7424gh72z6b4q3a._file

Verdict:

malicious

Label(s):

xworm

Similar samples:

error

AsyncRAT

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm rat trojan

Link:

https://tria.ge/reports/250115-j1jq3syjhl/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

87.120.116.179:1300

Verdict:

Malicious

Tags:

rat xworm Win.Packed.njRAT-10002074-1

YARA:

win_mal_XWorm MALWARE_Win_XWorm win_xworm_bytestring

Link:

https://app.threat.zone/submission/7772c55c-2852-4bce-8c75-f2613abae7bb

Unpacked files

SH256 hash:

33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436

MD5 hash:

e55c5a3aa16ed38b9d451601f12527f8

SHA1 hash:

138dc85fb2f213537d673720b52a2c56e1bb0a21

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/09d22595-a16f-4dc8-9679-d03fa29efecd/

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/33d5fb470821/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/33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436

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:	ByteCode_MSIL_Backdoor_AsyncRAT Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects AsyncRAT backdoor.

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

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

Rule name:	MALWARE_Win_AsyncRAT Create hunting rule
Author:	ditekSHen
Description:	Detects AsyncRAT

Rule name:	MALWARE_Win_XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	Windows_Trojan_XWorm_b7d6eaa8 Create hunting rule
Author:	Elastic Security

Rule name:	win_xworm_bytestring Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytestring present in unobfuscated xworm

Rule name:	win_xworm_w0 Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects win.xworm.

Rule name:	xworm Create hunting rule
Author:	jeFF0Falltrades

Rule name:	XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	xworm_kingrat Create hunting rule
Author:	jeFF0Falltrades

File information

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

Web download

AsyncRAT

unknown effdd3d663e7ae08ee64667d92e2866d7996db3d213458dc5837f6c732ac1388

AsyncRAT

exe 33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436

(this sample)

Dropped by

SHA256 effdd3d663e7ae08ee64667d92e2866d7996db3d213458dc5837f6c732ac1388

Dropped by

MD5 bbe6dec0c3277fcd4123acfe30dda2ea

URLhaus

https://urlhaus.abuse.ch/url/3401365/

Delivery method

Distributed via web download

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

Comments

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commented on 2025-01-15 08:10:46 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "33d5fb4708217397a18bbea3a1e10c07544bb81e642555ff9ae18ffd67c1e436",
"yara_possible_family": "xworm",
"key": "ea0732d96b6e1b0d50e9efbcde5f33ea0732d96b6e1b0d50e9efbcde5f33e200",
"salt": "None",
"config": {
"Hosts": [
"87.120.116.179"
],
"Ports": [
"1300"
],
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Sleep": 3,
"Group": "14-01-25",
"USBNM": "USB.exe",
"Mutex": "CKIfAznTYvqcKR6Q",
"LoggerPath": "\\Log.tmp"
}
}