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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    30/08/2024, 22:59

General

  • Target

    cbd453d3cca0a21f19e5d2f1b2f2cdd5_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    cbd453d3cca0a21f19e5d2f1b2f2cdd5

  • SHA1

    b5b2d7139500f1a45c9e85e7a278d59ab0e6dac4

  • SHA256

    0bec16111e2199d4f62882cd59c2e3868b5c7539e64f5f3fb16dde94e2b4292e

  • SHA512

    7ede9637c2fdb3640bdd2fb7bc81e7ba96b85dd6154ba68e4ff45469d9597bcca9ff76765ef16f28782d5ee50168a9323082a3d05b5fcb1ece4fe21e4f0eb66e

  • SSDEEP

    6144:D3zSXlx+8X8zqLoDpNAZF6HdygYEuH0u4N51cz/XtD/yld9K753:jWXTZsuMDpKT68gYEuUp50try1K7F

Malware Config

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbd453d3cca0a21f19e5d2f1b2f2cdd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cbd453d3cca0a21f19e5d2f1b2f2cdd5_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1756
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\Remc\Remc.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2400
        • C:\Users\Admin\AppData\Roaming\Remc\Remc.exe
          C:\Users\Admin\AppData\Roaming\Remc\Remc.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:2772
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe
            5⤵
              PID:2636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\install.vbs

      Filesize

      410B

      MD5

      837b54af2c8d285fb69d719cc9061206

      SHA1

      b31b75216a46b744eb0d89dd9885431a8ecde820

      SHA256

      353bf067c7071e2b6904205a0f6755433a8711a4b2a9b48ac32ff538463f0e46

      SHA512

      6cc4e846538cf16de26004343a157a565fe9730ad5c253e3fb6c64098405849e732bd2216fbdecd52cc3cbcb84e24e4dca23b5fd4f68bcdc0e73d485479e2311

    • C:\Users\Admin\AppData\Roaming\Remc\logs.dat

      Filesize

      79B

      MD5

      a427676487385e01f1efd56248f90193

      SHA1

      fd523df33f9e29e1d7fd58ee29b4e88498f2107e

      SHA256

      0bb1f75a2d6ce9c9933ce552eeb28fa2d7902e42ab0f8a7fff7ed507daade805

      SHA512

      4c8275e604cf78d90f4065203e3abf823b7773d291eb5a9b10417ba9a9e4b7e55e6c5b03199eb51958565afcafe067a489bc71f8623d818da7c15ecabdfa351f

    • \Users\Admin\AppData\Roaming\Remc\Remc.exe

      Filesize

      556KB

      MD5

      cbd453d3cca0a21f19e5d2f1b2f2cdd5

      SHA1

      b5b2d7139500f1a45c9e85e7a278d59ab0e6dac4

      SHA256

      0bec16111e2199d4f62882cd59c2e3868b5c7539e64f5f3fb16dde94e2b4292e

      SHA512

      7ede9637c2fdb3640bdd2fb7bc81e7ba96b85dd6154ba68e4ff45469d9597bcca9ff76765ef16f28782d5ee50168a9323082a3d05b5fcb1ece4fe21e4f0eb66e

    • memory/1992-2-0x0000000077D00000-0x0000000077DD6000-memory.dmp

      Filesize

      856KB

    • memory/1992-4-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/1992-3-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/1992-7-0x0000000072940000-0x0000000072A60000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-12-0x0000000072940000-0x0000000072A60000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-11-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2636-25-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-38-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-35-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-33-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-31-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-29-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2636-27-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2772-23-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2772-20-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB