General
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Target
OfficeSetup.exe
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Size
7.1MB
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Sample
230602-dnaprahf52
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MD5
5781f79d70dcea270950a0fc73e43beb
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SHA1
efb824956d620f49452fd6df0ada10992c302cdc
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SHA256
191a136632dc258553917026a7a46bf6d0945aab4feba00204ed012001a50507
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SHA512
67c5c7c160e8ad4195844b0c6be9a51b554fa01ed93ac719893a9a184672b224c6bed250a9220417e5b334d1cf5e3f1d024df3166b94762ccbff01c775da704b
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SSDEEP
196608:C49GfxidA1cQ379CfAaxRwhgiFcStLoKntczlkaI6HMaJTtGbbAgQ:C4QpidA1KfZRwhgRKntczB
Malware Config
Targets
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Target
OfficeSetup.exe
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Size
7.1MB
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MD5
5781f79d70dcea270950a0fc73e43beb
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SHA1
efb824956d620f49452fd6df0ada10992c302cdc
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SHA256
191a136632dc258553917026a7a46bf6d0945aab4feba00204ed012001a50507
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SHA512
67c5c7c160e8ad4195844b0c6be9a51b554fa01ed93ac719893a9a184672b224c6bed250a9220417e5b334d1cf5e3f1d024df3166b94762ccbff01c775da704b
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SSDEEP
196608:C49GfxidA1cQ379CfAaxRwhgiFcStLoKntczlkaI6HMaJTtGbbAgQ:C4QpidA1KfZRwhgRKntczB
Score8/10-
Downloads MZ/PE file
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Sets file execution options in registry
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Suspicious Office macro
Office document equipped with 4.0 macros.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Modifies system executable filetype association
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Registers COM server for autorun
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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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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Installs/modifies Browser Helper Object
BHOs are DLL modules which act as plugins for Internet Explorer.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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