MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c
SHA3-384 hash: 03edc3be4abfec04e47af71ade90b6f05dbb5ae78abc2e5e35031a5ffe4f8d63a4da987bdfed4ffd7a2d229d2265c591
SHA1 hash: 553e9af528939719a516b1857f4cc2ad8f3d6703
MD5 hash: e5c7ee117cb871583dee3ec925228b47
humanhash: robert-connecticut-robin-angel
File name:rWWTLCLtoUSADCL.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:483'840 bytes
First seen:2024-10-16 03:30:09 UTC
Last seen:2024-10-16 04:39:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:6rRE2NlrzHr8iBP2r+AkfJYI0tUh6gkx0doRh5E2Q:+RFfH4eL/fJYBtUYgkv
Threatray 2'636 similar samples on MalwareBazaar
TLSH T147A4F1E22369EE16D4AC47F90131E7B2D7359F4EF022E3168EDA8DEB791134429446D3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 2b3033c607391ba6 (3 x Formbook, 2 x RemcosRAT, 2 x SnakeKeylogger)
Reporter FXOLabs
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
404
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rWWTLCLtoUSADCL.scr
Verdict:
Malicious activity
Analysis date:
2024-10-16 03:31:00 UTC
Tags:
xworm remote
Link:
https://app.any.run/tasks/fe02a9e5-2405-47da-8431-5364bf422882

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.4080.29132.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670f3378707bcd8537fbebdc
Tags:
Powershell Autorun Gumen
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/670f337640bf552ea8d83020/reports/7eddd63b-6094-44ac-83db-95fdfdf51a3a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c
Result
Verdict:
UNKNOWN
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/e8321c83-a297-4b2a-8fb8-0eb980f95ecd
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1534675
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
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: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1534675 Sample: rWWTLCLtoUSADCL.scr.exe Startdate: 16/10/2024 Architecture: WINDOWS Score: 100 39 171.39.242.20.in-addr.arpa 2->39 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 12 other signatures 2->51 9 rWWTLCLtoUSADCL.scr.exe 3 2->9         started        signatures3 process4 file5 35 C:\Users\user\...\rWWTLCLtoUSADCL.scr.exe.log, ASCII 9->35 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->53 55 Bypasses PowerShell execution policy 9->55 57 Adds a directory exclusion to Windows Defender 9->57 59 Injects a PE file into a foreign processes 9->59 13 rWWTLCLtoUSADCL.scr.exe 6 9->13         started        signatures6 process7 dnsIp8 41 104.250.180.178, 49796, 7061 M247GB United States 13->41 37 C:\Users\user\AppData\Roaming\XClient.exe, PE32 13->37 dropped 61 Adds a directory exclusion to Windows Defender 13->61 18 powershell.exe 23 13->18         started        21 powershell.exe 23 13->21         started        23 powershell.exe 23 13->23         started        25 powershell.exe 13->25         started        file9 signatures10 process11 signatures12 43 Loading BitLocker PowerShell Module 18->43 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c/
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2024-10-16 03:19:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=niyttlz326udg4m2hyojlwjpq3usj675gq4j3ypplqbafulrnj6a._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
1ea45894bbfc448142256e5eec21349889852f550b4ed53f0aca814a6c642335
AsyncRAT
6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338
AsyncRAT
8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
AsyncRAT
bad53d6e667f724563d9b42141bbcf279299b67c03db091c325e8e5597474f76
AsyncRAT
c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
AsyncRAT
e58ff0b93e922520fa6f1c67196e5fbc7fa1c2c95db7ba4b77a2345de88151a8
AsyncRAT
error
AsyncRAT
+ 2'626 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/241016-d22qdsvckn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
104.250.180.178:7061
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e76065cb-5f48-4bb4-ad50-dd91794aa96b
Unpacked files
SH256 hash:
94c1b83e9181e597748af34aa30324fa001324bd12d33b12aa01e2a05ba779d6
MD5 hash:
090b76b0c6152ea71f08d1e9ae8f3742
SHA1 hash:
ff5ca08e6d69cb68a76422e804b0574d551ed20e
Detections:
XWorm
Create hunting rule
win_xworm_w0
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
win_xworm_bytestring
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/6f45a163-90ca-4e18-9efd-08ae75c51fe4/
Parent samples :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 hash:
c9f1b44b46f038cdc41159ee23837d60f0b78f21a1bc37373c4c8fdaebe551f9
MD5 hash:
3211533f8f6cfba4f3d06e63602e2999
SHA1 hash:
4cf3f6d1d4fe3941291bf689748f760d222e41a8
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/6f45a163-90ca-4e18-9efd-08ae75c51fe4/
Parent samples :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 hash:
a5b758bb3e2fc3b4abc4b6c1a60a36f3f31d7b0a554f59499562321f5c992577
MD5 hash:
1e7849b7bfc11a2eedd8a88d73b2e3f9
SHA1 hash:
2c639614a68344a7440fef3912d4cb614e17a7a5
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6f45a163-90ca-4e18-9efd-08ae75c51fe4/
SH256 hash:
6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c
MD5 hash:
e5c7ee117cb871583dee3ec925228b47
SHA1 hash:
553e9af528939719a516b1857f4cc2ad8f3d6703
Link:
https://www.unpac.me/results/6f45a163-90ca-4e18-9efd-08ae75c51fe4/
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/6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c

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:NET
Create hunting rule
Author:malware-lu
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

File information

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

Malspam

AsyncRAT

Executable exe 6a3139af3bd7a833719a3e1c95d92f86e924fbfd34389de1ef5c0202d1716a7c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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