General
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Target
bittorrent_installer.exe
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Size
1.8MB
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Sample
241016-banncayejq
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MD5
5ea97449a6e7ccc611061450bbb2b993
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SHA1
bb2a46a09ef94591057bfacf7728553a72c45205
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SHA256
91c1909249d3722496be27e62d6d0f861c73c418e24337e2d0ec9cf46bd1f0b8
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SHA512
cb005db99a05a0e784fe681f25bafb04502f8b26b171afc0fde28a101454e4dc302f67fedb22212095a72f0b362d0a290bc9617e4bf0d09b1a7bbe4f87075cca
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SSDEEP
24576:S7FUDowAyrTVE3U5F4u62G9lm3dApk5RxlBMKUiu3mYx+Ud0C1McxE:SBuZrEU8uYgdA6nlKKUXmYxr9mcm
Static task
static1
Behavioral task
behavioral1
Sample
bittorrent_installer.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
bittorrent_installer.exe
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Size
1.8MB
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MD5
5ea97449a6e7ccc611061450bbb2b993
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SHA1
bb2a46a09ef94591057bfacf7728553a72c45205
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SHA256
91c1909249d3722496be27e62d6d0f861c73c418e24337e2d0ec9cf46bd1f0b8
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SHA512
cb005db99a05a0e784fe681f25bafb04502f8b26b171afc0fde28a101454e4dc302f67fedb22212095a72f0b362d0a290bc9617e4bf0d09b1a7bbe4f87075cca
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SSDEEP
24576:S7FUDowAyrTVE3U5F4u62G9lm3dApk5RxlBMKUiu3mYx+Ud0C1McxE:SBuZrEU8uYgdA6nlKKUXmYxr9mcm
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
3Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
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
4System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
1