Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-04-2024 07:36

General

  • Target

    e97afa80082453d32def301f524ec709_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    e97afa80082453d32def301f524ec709

  • SHA1

    b7df4e02cbc75de1e6082abc5a59af03231c3885

  • SHA256

    10530ed6eba1af535c817c505ddf78be4358f8c81a1033cd9ed83056b057fb71

  • SHA512

    9e4ca0f4d843940dedf50ac3326ddb43aebb0a55c27901d244703ef4beddefbd2ca03b5974a32580ccb8dc1bf0f826fa6f8d164fd8554e918f5eaa1979c3c573

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6M:qJ7Uzj4yUo7Fdle8WIbCL6M

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e97afa80082453d32def301f524ec709_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e97afa80082453d32def301f524ec709_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\n1642\s1642.exe
      "C:\Users\Admin\AppData\Local\Temp\n1642\s1642.exe" 7fc656b0c15bd4ebd9e6932ey4FPiBa3z4XWxWm+kjqJlefJWn6aUak/XTAutRXk55QKSNlRR0Ahzc1PBxYqt7zRtv6P8fI6M8DdhVXoaB3WJt0keNdjqlw2EjUcWQ8n8fwGAJts26A9rZIJoE7dhrBGxAM3voFv9kEV0yZ/g6AlTpsvbwyuN/jThw6wL70= /v "C:\Users\Admin\AppData\Local\Temp\e97afa80082453d32def301f524ec709_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1642\s1642.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/4368-12-0x00007FF802D40000-0x00007FF8036E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4368-13-0x00007FF802D40000-0x00007FF8036E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4368-14-0x0000000000A40000-0x0000000000A50000-memory.dmp

    Filesize

    64KB

  • memory/4368-30-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

    Filesize

    64KB

  • memory/4368-33-0x000000001C080000-0x000000001C54E000-memory.dmp

    Filesize

    4.8MB

  • memory/4368-34-0x000000001C5F0000-0x000000001C68C000-memory.dmp

    Filesize

    624KB

  • memory/4368-35-0x0000000000A40000-0x0000000000A50000-memory.dmp

    Filesize

    64KB

  • memory/4368-36-0x000000001CC20000-0x000000001CC82000-memory.dmp

    Filesize

    392KB

  • memory/4368-37-0x0000000000A40000-0x0000000000A50000-memory.dmp

    Filesize

    64KB

  • memory/4368-38-0x00000000212D0000-0x00000000217DE000-memory.dmp

    Filesize

    5.1MB

  • memory/4368-40-0x00007FF802D40000-0x00007FF8036E1000-memory.dmp

    Filesize

    9.6MB