Resubmissions
15-02-2025 22:14
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250215-yklcas1qds 8General
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Target
test.txt
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Size
18B
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Sample
250214-ycws3axmcm
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MD5
5b3f97d48c8751bd031b7ea53545bdb6
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SHA1
88be3374c62f23406ec83bb11279f8423bd3f88d
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SHA256
d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b
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SHA512
ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6
Static task
static1
Malware Config
Extracted
xworm
5.0
dawsdwasd-27621.portmap.host:27621
fspLXhj2oZ72TIcr
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Install_directory
%AppData%
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install_file
XClient.exe
Extracted
xworm
dawsdwasd-27621.portmap.host:27621
dawsdwasd-27621.portmap.host:27621:27621
tcp://dawsdwasd-27621.portmap.host:27621:27621
tcp://dawsdwasd-27621.portmap.host:27621
127.0.0.1:443
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Install_directory
%LocalAppData%
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install_file
XClient.exe
Targets
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Target
test.txt
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Size
18B
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MD5
5b3f97d48c8751bd031b7ea53545bdb6
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SHA1
88be3374c62f23406ec83bb11279f8423bd3f88d
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SHA256
d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b
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SHA512
ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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Xworm family
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Download via BitsAdmin
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Downloads MZ/PE file
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Drops file in Drivers directory
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A potential corporate email address has been identified in the URL: [email protected]
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Uses the VBS compiler for execution
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
3PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
BITS Jobs
1Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1