MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f8e216231c8e0e57f4d6e06edb5c20fbed0cfa36c44058ad5809935c4a06448. 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


XWorm


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f8e216231c8e0e57f4d6e06edb5c20fbed0cfa36c44058ad5809935c4a06448
SHA3-384 hash: 697343e0f97ca2abe813e9a1cd45a431da0857150da50291ed2718ba5c0fbe665d2ced35f7180c9d986cf45447f17545
SHA1 hash: f251d74238b838ce1605b889d80327a1e47e9a40
MD5 hash: 1077d2817de834e79983fa8bb6dde71e
humanhash: foxtrot-south-orange-pluto
File name:server.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:39'424 bytes
First seen:2023-03-13 15:25:40 UTC
Last seen:2023-03-13 16:42:35 UTC
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:z5B93liEMuoOzHEgSSxCa7wFWPh9Vi67Owhk9Fxkku:z5BM+NSda0FK9Vi67Owq72
Threatray 10 similar samples on MalwareBazaar
TLSH T150035D447BD84226D5FE6FF929B362160670F6039D13EB5E0CD8899A2B37F884A417C7
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 Chainskilabs
Tags:exe xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
server.exe
Verdict:
Malicious activity
Analysis date:
2023-03-13 15:24:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/26f8c384-7818-4429-8950-f7eaf9174e60

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/374078/
Detection(s):
ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file
Creating a window
DNS request
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware njrat packed schtasks.exe
Link:
https://www.filescan.io/uploads/640f408c56d2bc8d80b73530/reports/c95d061e-cfd4-430f-acc4-5e588a6d0884/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7f8e216231c8e0e57f4d6e06edb5c20fbed0cfa36c44058ad5809935c4a06448
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f21ca385-cf99-42f9-91d5-80ecb71da2d8
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1192691
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
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
Protects its processes via BreakOnTermination flag
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 825600 Sample: server.exe Startdate: 13/03/2023 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected XWorm 2->44 46 4 other signatures 2->46 7 server.exe 15 8 2->7         started        12 server.exe 1 2->12         started        14 server.exe 2->14         started        process3 dnsIp4 36 kids-abstract.at.ply.gg 209.25.141.181, 26193 COGECO-PEER1CA Canada 7->36 38 api.telegram.org 149.154.167.220, 443, 49700 TELEGRAMRU United Kingdom 7->38 32 C:\Users\user\AppData\Local\server.exe, PE32 7->32 dropped 48 Protects its processes via BreakOnTermination flag 7->48 50 Bypasses PowerShell execution policy 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 16 powershell.exe 20 7->16         started        18 powershell.exe 11 7->18         started        20 powershell.exe 11 7->20         started        22 schtasks.exe 1 7->22         started        34 C:\Users\user\AppData\...\server.exe.log, CSV 12->34 dropped 56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 file5 signatures6 process7 process8 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f8e216231c8e0e57f4d6e06edb5c20fbed0cfa36c44058ad5809935c4a06448/
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2023-03-10 07:09:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 39 (74.36%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p6hccyrrzdqok72nnydo3nocb67nbt5dnrcalcwvqcmtlrfamrea._file
Verdict:
malicious
Similar samples:
13bf9005b428f81a2f9b85fab4b52983ccf12c77582803bce9d6fcea635e78f3
XWorm
43eee6ad4f470b65b2a79760306c073f7e827d8b1f7ad1c95cbfa03298e27df2
XWorm
6965d759dce865196f7e06ced845f0e387c4b9f63081b394c62a3c286356b411
XWorm
6f2e22d541680c151da164b02f916a3d72da0517b2f052f7356d05e8b374690b
XWorm
9cc2a804dd840e979b6481c0cbc8045c991422d193b3e6358bacd082dd657c35
XWorm
9e243e905334ba6b11064b13d28ee2141f6c940aee3f4665b5ecac426d80a009
XWorm
adec73575e6741e99bd6ce8c92713e1618d5d861ab488440876fe0d87ea62e31
XWorm
cd06c5cab073f32aad0de1af7ca1356d3a7ca18858d54981e1156ebe17939fce
XWorm
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Link:
https://tria.ge/reports/230313-st63gada5z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Xworm
Malware Config
C2 Extraction:
kids-abstract.at.ply.gg:26193
Unpacked files
SH256 hash:
7f8e216231c8e0e57f4d6e06edb5c20fbed0cfa36c44058ad5809935c4a06448
MD5 hash:
1077d2817de834e79983fa8bb6dde71e
SHA1 hash:
f251d74238b838ce1605b889d80327a1e47e9a40
Link:
https://www.unpac.me/results/ab54473c-9369-4419-8cab-e0e014886848/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7f8e216231c8/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/7f8e216231c8e0e57f4d6e06edb5c20fbed0cfa36c44058ad5809935c4a06448

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: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:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/374078/

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