General
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Target
winrar-64-7.01-installer_pC-OmB1.exe
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Size
1.7MB
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Sample
241031-qp1zjsxmhx
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MD5
144d86ea0612c661cdae6bfbd56c3ee4
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SHA1
cf4b216d24cafdc9479c1047d73120991b22024a
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SHA256
820e8dd4d66068c0e69f29f025f4a1ae55a4730d2b33c936eef36b639f66707c
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SHA512
d3369c3319d66350bc738aaab7793946a9f7db96b5d64ecd656f5af85dbe36f5ee26f5e5e3bde6f4a63b0b62a95b38ef14951301c73c7305023fc631c1d8395c
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SSDEEP
24576:j7FUDowAyrTVE3U5F/VVc4p78tMhAx9G4CUHYALjAtpKuuSGVk9KjCUBjSG:jBuZrEU7h7qxsPERVk9ybl
Static task
static1
Behavioral task
behavioral1
Sample
winrar-64-7.01-installer_pC-OmB1.exe
Resource
win7-20241010-en
Malware Config
Targets
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Target
winrar-64-7.01-installer_pC-OmB1.exe
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Size
1.7MB
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MD5
144d86ea0612c661cdae6bfbd56c3ee4
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SHA1
cf4b216d24cafdc9479c1047d73120991b22024a
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SHA256
820e8dd4d66068c0e69f29f025f4a1ae55a4730d2b33c936eef36b639f66707c
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SHA512
d3369c3319d66350bc738aaab7793946a9f7db96b5d64ecd656f5af85dbe36f5ee26f5e5e3bde6f4a63b0b62a95b38ef14951301c73c7305023fc631c1d8395c
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SSDEEP
24576:j7FUDowAyrTVE3U5F/VVc4p78tMhAx9G4CUHYALjAtpKuuSGVk9KjCUBjSG:jBuZrEU7h7qxsPERVk9ybl
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Adds Run key to start application
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Checks for any installed AV software in registry
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Downloads MZ/PE file
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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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Event Triggered Execution: Image File Execution Options Injection
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Defense Evasion
Modify Registry
3Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
5Software Discovery
1Security Software Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1