General
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Target
ME77ZTVpfPe1.exe
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Size
360KB
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Sample
241020-gk97zssdnf
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MD5
a0a4c2e4123c895b019404faac31eea5
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SHA1
18254b9eda5a7d1bb9505cc46b992709029091c8
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SHA256
1c74716aa959672f89ca6a090cf8aee85eee235980f00cf4a1f049b265b4a836
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SHA512
3b6f9347cfd753607014147dddd1a60f87a8580f84caba99b72b8b319d1e7b8a52bad76a5d81653fabb083c4a037ed28e4cd4178aecde3a19b1ef419b853709c
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SSDEEP
6144:KIrgO6OmMo/f7DGUOodFeq4cH0RfWLN0SMJWW6vtuwFi0QRjZj:F8XGPoDeqnUR+N3fVVxM0QRjZj
Static task
static1
Malware Config
Extracted
xworm
5.0
K2D8kOjfVfBUprBZ
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Install_directory
%Temp%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/BSSw6HT3
Extracted
bdaejec
ddos.dnsnb8.net
Targets
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Target
ME77ZTVpfPe1.exe
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Size
360KB
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MD5
a0a4c2e4123c895b019404faac31eea5
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SHA1
18254b9eda5a7d1bb9505cc46b992709029091c8
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SHA256
1c74716aa959672f89ca6a090cf8aee85eee235980f00cf4a1f049b265b4a836
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SHA512
3b6f9347cfd753607014147dddd1a60f87a8580f84caba99b72b8b319d1e7b8a52bad76a5d81653fabb083c4a037ed28e4cd4178aecde3a19b1ef419b853709c
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SSDEEP
6144:KIrgO6OmMo/f7DGUOodFeq4cH0RfWLN0SMJWW6vtuwFi0QRjZj:F8XGPoDeqnUR+N3fVVxM0QRjZj
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Detect Xworm Payload
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Detects Bdaejec Backdoor.
Bdaejec is backdoor written in C++.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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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 SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1