MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb
SHA3-384 hash: 09223f67d8163402af4ae18c81edd8b54ae13e4d323d260b028bc0d8bffeed2df9ce760295a84b7babe682e907158a65
SHA1 hash: 825b4107184b769deed76a3237dd4d3d4425f1b9
MD5 hash: 07dde049463fbfb5f7fd98ae179dce42
humanhash: triple-texas-edward-ohio
File name:DRAFT - YML Draft BL I209493748, SO Y171 - YM CENTENNIAL V.045S.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:553'984 bytes
First seen:2024-06-06 07:18:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:5gsrmSiqyJMVD77D4/Kj0IjLv/rlZiVQNQqLWukPgSc:lp5O4Qyj0Ijr/vWELaPgS
Threatray 900 similar samples on MalwareBazaar
TLSH T128C4F00863F86B15E4BB97BAA5B0921127F6B5153173F31D8EE270C92D72B804F06B5B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter threatcat_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
353
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 07:21:54 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/3b2973fb-e170-44e7-8662-33122730cf2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Taskun-10031574-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/666162ea6b8dba248b3d83d1/reports/35d2347d-68fd-4968-9dcb-02f24fac669c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb
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/01bbadbe-dbed-464e-b2ab-781d150d5ec4
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1452835
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
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 domain / URL
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
Snort IDS alert for network traffic
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1452835 Sample: DRAFT - YML Draft BL I20949... Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 18 other signatures 2->50 8 DRAFT - YML Draft BL I209493748, SO Y171 -  YM CENTENNIAL V.045S.scr.exe 3 2->8         started        process3 file4 38 DRAFT - YML Draft ... V.045S.scr.exe.log, ASCII 8->38 dropped 54 Injects a PE file into a foreign processes 8->54 12 DRAFT - YML Draft BL I209493748, SO Y171 -  YM CENTENNIAL V.045S.scr.exe 6 8->12         started        17 DRAFT - YML Draft BL I209493748, SO Y171 -  YM CENTENNIAL V.045S.scr.exe 8->17         started        19 DRAFT - YML Draft BL I209493748, SO Y171 -  YM CENTENNIAL V.045S.scr.exe 8->19         started        signatures5 process6 dnsIp7 42 104.250.180.178, 54950, 54951, 54952 M247GB United States 12->42 40 C:\Users\user\AppData\Roaming\XClient.exe, PE32 12->40 dropped 56 Adds a directory exclusion to Windows Defender 12->56 21 powershell.exe 23 12->21         started        24 powershell.exe 23 12->24         started        26 powershell.exe 23 12->26         started        28 powershell.exe 12->28         started        file8 signatures9 process10 signatures11 52 Loading BitLocker PowerShell Module 21->52 30 conhost.exe 21->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-05 06:03:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkfqcfkpnhmeubfp2zw2wq57tj5m4pc5bf6wj72acbc7w3gglw5q._file
Verdict:
malicious
Similar samples:
1ea45894bbfc448142256e5eec21349889852f550b4ed53f0aca814a6c642335
AsyncRAT
45434befb4ed9537e306b346f7ca303e5c01f0c288378695278c8c2dd82e626a
AsyncRAT
8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
AsyncRAT
cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651
AsyncRAT
e879f3a1cc7733303f6edebd710066dd418d78dbbc1a1393b50d4fc3d1d74b51
AsyncRAT
+ 890 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/240606-h5jffacb38/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Unpacked files
SH256 hash:
94c1b83e9181e597748af34aa30324fa001324bd12d33b12aa01e2a05ba779d6
MD5 hash:
090b76b0c6152ea71f08d1e9ae8f3742
SHA1 hash:
ff5ca08e6d69cb68a76422e804b0574d551ed20e
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/2efd70d7-2da2-4c4c-9927-4a349cdcc7ad/
Parent samples :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 hash:
9e73222c9aa91b037c84df1ff22ee23d596e73536b381f3d4314b50f51133d5b
MD5 hash:
a1c20822add6e4834fe372a62ba5d3cd
SHA1 hash:
573a737baac141c991d114093e6eb8f51bf5f75d
Link:
https://www.unpac.me/results/2efd70d7-2da2-4c4c-9927-4a349cdcc7ad/
SH256 hash:
141a51099065d3e15e9dc1a14d6d89be841ff3de72fea4e4b784a83a2b880342
MD5 hash:
59df5efe97bb4ec720eca2b8cd245cf7
SHA1 hash:
4d83fa77efee104015d76ae82e5adba02492d15c
Link:
https://www.unpac.me/results/2efd70d7-2da2-4c4c-9927-4a349cdcc7ad/
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
Link:
https://www.unpac.me/results/2efd70d7-2da2-4c4c-9927-4a349cdcc7ad/
SH256 hash:
ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb
MD5 hash:
07dde049463fbfb5f7fd98ae179dce42
SHA1 hash:
825b4107184b769deed76a3237dd4d3d4425f1b9
Link:
https://www.unpac.me/results/2efd70d7-2da2-4c4c-9927-4a349cdcc7ad/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca8b01154f69/report/overview.html
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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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: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
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.

Malspam

AsyncRAT

Executable exe ca8b01154f69d84a04afd66dab43bf9a7ace3c5d097d64ff401045fb6cc65dbb

(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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