MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150. 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: 15

Intelligence 15 IOCs YARA 18 File information Comments 1

SHA256 hash:	a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150
SHA3-384 hash:	3bb54d875f0b70f481fbe15c6bf944f80ea0bca71aa67bd1fcc2cc5bde5dad9c9d904337d103aaf3941622b7bd58219c
SHA1 hash:	48803b38e74382826aa8b4ca9d3e2017601330eb
MD5 hash:	262215bcd5fba074e3f2dd216663f727
humanhash:	six-skylark-minnesota-oscar
File name:	enigma_loader.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	35'840 bytes
First seen:	2024-11-23 13:28:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep	384:ySBqVEqKykkTwusE+E33Rz3UXmbXLZoWRy7vHsJQcXTSc58pkFyHBLTIZwgG+Vv8:VQDb3QIX/hGcVFy79e6GOjhvy4Bt
TLSH	T180F24B08B3900756D6ED6FB56EB3A1420679FA078913EB5E0CD4849B7F337C18A123E6
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	4k95m
Tags:	AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

457

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

enigma_loader.exe

Verdict:

Malicious activity

Analysis date:

2024-11-23 13:29:54 UTC

Tags:

xworm remote

Link:

https://app.any.run/tasks/58abb848-a535-4117-9676-0553da066869

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

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6741d9a9b31374f09833cc52

Tags:

asyncrat autorun

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% directory

Creating a window

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

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

Query of malicious DNS domain

Sending a TCP request to an infection source

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat backdoor njrat packed packer_detected rat vbnet

Link:

https://www.filescan.io/uploads/6741d89f04cce3ac5e2f489b/reports/d7bdf5c5-aedb-43b3-859b-132db3739b91/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b0ae6418-5e20-4706-9dd1-c9c576386f60

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1561481

Signature

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

.NET source code contains potential unpacker

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Drops PE files with benign system names

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

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

Sample uses string decryption to hide its real strings

Sigma detected: Files With System Process Name In Unsuspected Locations

Sigma detected: System File Execution Location Anomaly

Suricata IDS alerts for network traffic

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150/

Threat name:

ByteCode-MSIL.Spyware.AsyncRAT

Status:

Malicious

First seen:

2024-11-23 11:48:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=uc2s2rhfzzh5audicancu77gjnjtx2n2zr3usqrdjs65eoys2fia._file

Verdict:

malicious

Label(s):

xworm

Similar samples:

error

AsyncRAT

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm persistence rat trojan

Link:

https://tria.ge/reports/241123-qq8e1svrby/

Behaviour

Suspicious use of AdjustPrivilegeToken

Enumerates physical storage devices

Adds Run key to start application

Drops startup file

Detect Xworm Payload

Xworm

Xworm family

Malware Config

C2 Extraction:

127.0.0.1:64769
selection-wa.gl.at.ply.gg:64769

Verdict:

Malicious

Tags:

rat xworm Win.Packed.njRAT-10002074-1

YARA:

win_mal_XWorm MALWARE_Win_XWorm

Link:

https://app.threat.zone/submission/c2aa1c64-2bb6-4315-988b-0a5f24e479a7

Unpacked files

SH256 hash:

a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150

MD5 hash:

262215bcd5fba074e3f2dd216663f727

SHA1 hash:

48803b38e74382826aa8b4ca9d3e2017601330eb

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/fb5766bf-eb70-4a95-bece-4fc71c3deef1/

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/a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150

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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

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

Rule name:	xworm Create hunting rule
Author:	jeFF0Falltrades

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

exe a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150

(this sample)

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 2024-11-23 13:30:44 UTC

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

{
"sha256": "a0b52d44e5ce4fd05068101a2a7fe64b533be9bacc774942234cbdd23b12d150",
"yara_possible_family": "xworm",
"key": "040106c3c0bbb251c0d7a2cf0a7529040106c3c0bbb251c0d7a2cf0a7529d300",
"salt": "None",
"config": {
"Sleep": 3,
"Hosts": "127.0.0.1,selection-wa.gl.at.ply.gg",
"Port": "64769",
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Groub": "XWorm V5.6",
"USBNM": "USB.exe",
"InstallDir": "%AppData%",
"InstallStr": "svchost.exe",
"Mutex": "E59Ydw781RvghOaK"
}
}