MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9effe406fd302590314a9211fda92126ea6a7721d294c93fdf755b4cdfbd0bcf. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments 1

SHA256 hash: 9effe406fd302590314a9211fda92126ea6a7721d294c93fdf755b4cdfbd0bcf
SHA3-384 hash: 89746fe91fcc11864579b6a093326f4b9efb838a588b228152705033c5db67097b115a7ebe33e5b6bc7a8cac2b0374d6
SHA1 hash: e9cadfcd08d79a2624d4a5320187ae84cf6a0148
MD5 hash: ce69d13cb31832ebad71933900d35458
humanhash: xray-papa-iowa-bulldog
File name:file
Download: download sample
Signature AsyncRAT
File size:33'280 bytes
First seen:2024-11-27 14:41:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:hEbmX5Qa+vN1h1+X3v6JFjL+g93Tm2eaFOzFzRApkFTBLTsOZwpGd2v99IkuisQ8:SVa+vNtg+PB93Tw4OFzVFE9jZOjhKbQ
Threatray 1'939 similar samples on MalwareBazaar
TLSH T145E23A4877D44712D6EEAFB12DF362065270D51BE813EF6E0CE485EA2B67AC087407E6
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 jstrosch
Tags:.NET AsyncRAT exe MSIL


Avatar
jstrosch
Found at hxxp://68.178.207[.]33:8000/XClient.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
374
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9effe406fd302590314a9211fda92126ea6a7721d294c93fdf755b4cdfbd0bcf
Verdict:
Malicious activity
Analysis date:
2024-11-27 00:01:44 UTC
Tags:
xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
asyncrat virus xworm gates
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor njrat packed packer_detected rat vbnet
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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:
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2024-11-26 18:42:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 38 (84.21%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
68.178.207.33:7000
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
win_mal_XWorm MALWARE_Win_XWorm
Unpacked files
SH256 hash:
9effe406fd302590314a9211fda92126ea6a7721d294c93fdf755b4cdfbd0bcf
MD5 hash:
ce69d13cb31832ebad71933900d35458
SHA1 hash:
e9cadfcd08d79a2624d4a5320187ae84cf6a0148
Detections:
XWorm win_xworm_w0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Web download

AsyncRAT

Executable exe 9effe406fd302590314a9211fda92126ea6a7721d294c93fdf755b4cdfbd0bcf

(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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments



Avatar
commented on 2024-11-27 14:45:45 UTC

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

{
"sha256": "9effe406fd302590314a9211fda92126ea6a7721d294c93fdf755b4cdfbd0bcf",
"yara_possible_family": "xworm",
"key": "b64403af436536a6b56c6e3f55fa3bb64403af436536a6b56c6e3f55fa3bd100",
"salt": "None",
"config": {
"Sleep": 3,
"Hosts": "68.178.207.33",
"Port": "7000",
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Groub": "XWorm V5.6",
"USBNM": "USB.exe",
"Mutex": "sSM7p4MT4JctLnRS"
}
}