MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
SHA3-384 hash: e5f0824cd44c9be19e58039f5e67e3fa336c3b2e768da9a18a2b250bf7498d5e226532b0b99846c1815b7ebdaa296682
SHA1 hash: a7dcafe9d6a05380049a02ddfcf965ddc7ca56b5
MD5 hash: 6f8e0bf44a6f00f70dbdb4846f0f9687
humanhash: michigan-rugby-missouri-pluto
File name:BOOKING -- 0115 KAOHSIUNG TO New York 1X20 EXWORK.PDF.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:516'096 bytes
First seen:2024-01-10 16:35:54 UTC
Last seen:2024-01-10 18:30:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:C/kQyMMea3eCYroFtcBr4dy9kTBN6SvID:s5y5puCrFtc9+TBN6AA
Threatray 298 similar samples on MalwareBazaar
TLSH T134B41261B6DCCA61F46A25756E69423483F1E5EBA113E70A1F06339E1CE33024F57EB2
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
330
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1.exe
Verdict:
Malicious activity
Analysis date:
2024-01-10 16:38:35 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/c8d0bd2c-c67c-47e7-884b-c1659d78bc9b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/470245/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/659ec774898512c48eb06715/reports/e9f9289c-febd-4d1b-b096-fc29faa15627/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
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/5b7ac2c1-35f3-4841-9483-eb9481636c75
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1372566
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
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1372566 Sample: BOOKING_--_0115_KAOHSIUNG_T... Startdate: 10/01/2024 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 11 other signatures 2->42 8 BOOKING_--_0115_KAOHSIUNG_TO_New_York_1X20_EXWORK.PDF.scr.exe 3 2->8         started        process3 signatures4 44 Bypasses PowerShell execution policy 8->44 46 Adds a directory exclusion to Windows Defender 8->46 48 Injects a PE file into a foreign processes 8->48 11 BOOKING_--_0115_KAOHSIUNG_TO_New_York_1X20_EXWORK.PDF.scr.exe 6 8->11         started        process5 dnsIp6 34 104.250.180.178, 7061 M247GB United States 11->34 32 C:\Users\user\AppData\Roaming\XClient.exe, PE32 11->32 dropped 50 Adds a directory exclusion to Windows Defender 11->50 16 powershell.exe 21 11->16         started        18 powershell.exe 23 11->18         started        20 powershell.exe 20 11->20         started        22 powershell.exe 23 11->22         started        file7 signatures8 process9 process10 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-01-10 11:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwctgj4ieilcsypexqqf5whizizsktdgkphjbpzc7dzflagxfkyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0893cfe208c34030552ccd250f5e185d42423f4ebb5311a13f68e5bd96a1cad7
AsyncRAT
1ea45894bbfc448142256e5eec21349889852f550b4ed53f0aca814a6c642335
AsyncRAT
832d96e8996c618b21f649812a218c44d7fae08fa2081cdb34631cc2cdcbd6df
AsyncRAT
87670348675593550ba551fcc6fd13d4b6e5e72f0c5d21b1edb0d576462fab03
AsyncRAT
8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
AsyncRAT
90d33feb81bdc51341e3840057c1081765b6d35263b2393c0219512c4177f215
AsyncRAT
c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
AsyncRAT
+ 288 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240110-t38s4acaf9/
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
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
104.250.180.178:7061
Unpacked files
SH256 hash:
8d8e315728964691d30cd052a2e3d8e449a17cf766808658230381f510a920c8
MD5 hash:
fd103c541e3da2dfebe32f5830ca8dc5
SHA1 hash:
db407d66d4cd0ed6e21b657e5550c2d7ce6068a7
Link:
https://www.unpac.me/results/ad558a9e-8f70-41f0-a28f-8868583765a8/
SH256 hash:
d8e77edad3cd36f3e1df5896cfa4b9f40392ff82009a14ef323d489b9a817462
MD5 hash:
41028b7149f7438c3920803908e109b8
SHA1 hash:
9de4b2bfa4f4d3f6480ac766c4089026b65185ff
Link:
https://www.unpac.me/results/ad558a9e-8f70-41f0-a28f-8868583765a8/
SH256 hash:
77b0212286a091e87a63c7c7ab12111cb52d2b7857be73766dda7c042d66e537
MD5 hash:
6d281fe1533157794656f9c2081daa55
SHA1 hash:
5bc8575031f744d1e95811f72d7e32281a4047bc
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/ad558a9e-8f70-41f0-a28f-8868583765a8/
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
Link:
https://www.unpac.me/results/ad558a9e-8f70-41f0-a28f-8868583765a8/
SH256 hash:
8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
MD5 hash:
6f8e0bf44a6f00f70dbdb4846f0f9687
SHA1 hash:
a7dcafe9d6a05380049a02ddfcf965ddc7ca56b5
Link:
https://www.unpac.me/results/ad558a9e-8f70-41f0-a28f-8868583765a8/
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/8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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_delivery_check_g0
Create hunting rule

File information

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

Malspam

AsyncRAT

Executable exe 8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/470245/

Comments