MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2. 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: 16


Intelligence 16 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2
SHA3-384 hash: b23f1098f8d588e870b9d4f456306e402e630220f6a04b74bf281e9334fef3fe7b1cffdcf427dfe542f63a490c518507
SHA1 hash: 96585e3375f47247e53ae64236c6364c25484ab5
MD5 hash: 18c39555a622debfb3ba300977bbfbd4
humanhash: april-california-muppet-september
File name:bSFH.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:36'864 bytes
First seen:2024-04-13 19:16:42 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 768:PGLtt3QRH9ucNCQISkHIpgLHbFa9YKOMhHQG:PAb3QRH9uczTkomL7Fa9YKOM5h
TLSH T198F25C08BBA44226C5FE6BF4697371020274EA13DE13EB5D48E559DB6F23B808D417EA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter pmelson
Tags:AsyncRAT exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
310
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2.exe
Verdict:
Malicious activity
Analysis date:
2024-04-13 19:29:15 UTC
Tags:
remote xworm
Link:
https://app.any.run/tasks/20802edc-b7e9-448b-b485-64c94c2cbb1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Setting a global event handler for the keyboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm hook keylogger
Link:
https://www.filescan.io/uploads/661ada2ff4fe020219b69594/reports/b07e9df4-9d96-4759-a5ee-4b9f55d3ffc9/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3ff49ca0-7246-4ea9-9373-960b6220f42b
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425516
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
Uses dynamic DNS services
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-04-13 19:17:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qbeeaycwwgq2sg2wojobyc4j4o4amc7vurmgcsckonzi2irmzpba._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240413-xzcg9sge67/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
xwormv5.duckdns.org:7001
Unpacked files
SH256 hash:
8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2
MD5 hash:
18c39555a622debfb3ba300977bbfbd4
SHA1 hash:
96585e3375f47247e53ae64236c6364c25484ab5
Detections:
MALWARE_Win_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/2ef2bc2d-35f3-4694-bf06-d184c781c8a8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8048406056b1/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/8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2

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

File information

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

Web download

AsyncRAT

Executable exe 8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2

(this sample)

  
Link
https://www.virustotal.com/gui/file/8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2/detection
  
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