Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 01:11

General

  • Target

    80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    80fbd38e5fc7bedb55e4fdcbc3270134

  • SHA1

    0c0d9533c1a0698e2e71839e92be1976bd567be6

  • SHA256

    c9c5673f51113ac6e5fb74a477ff1b8b59e2382da935367facf882d25f64f0fc

  • SHA512

    669a5745d27c16086afd2c53e5818db24d10d144b25984511994ce0e2802d46d4d5a1532a37094a05638d8cbc4a453334876f7bb2d79ed275dfb73d945281619

  • SSDEEP

    24576:UrStFAHYiZgoBDFwQd4Wo71EaXmFFOQPONcTnq:Uqy41MOQd4Wo7unfTnq

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Checks BIOS information in registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:3012
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:1040

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\windows\SysWOW64\idestong.dll

          Filesize

          526KB

          MD5

          15e4bf466469dc7a613ba10b1d5b42cd

          SHA1

          de4e1a8b59ffe85d0afa5722fc3d5d46a08e62d5

          SHA256

          c3da1b2a614ca2ecce648b98bbaf802b10a8728b0dadf332206790f33c959963

          SHA512

          8102335b979b16ab981f919fec3912fcc43c99d11c4c3db8254abd7a7dbd21f07d4f3a11629d987eaefb40d04d6e3418bad07d9b4a0940480f114f06473ecbc0

        • memory/1040-15-0x0000000001DB0000-0x0000000001E3B000-memory.dmp

          Filesize

          556KB

        • memory/1040-18-0x0000000001DB0000-0x0000000001E3B000-memory.dmp

          Filesize

          556KB

        • memory/2220-0-0x0000000000400000-0x0000000000569000-memory.dmp

          Filesize

          1.4MB

        • memory/2220-1-0x0000000001EC0000-0x0000000001F24000-memory.dmp

          Filesize

          400KB

        • memory/2220-6-0x0000000001EC0000-0x0000000001F24000-memory.dmp

          Filesize

          400KB

        • memory/2220-10-0x0000000001EC0000-0x0000000001F24000-memory.dmp

          Filesize

          400KB

        • memory/2220-9-0x0000000000400000-0x0000000000569000-memory.dmp

          Filesize

          1.4MB

        • memory/2220-7-0x0000000000400000-0x0000000000569000-memory.dmp

          Filesize

          1.4MB

        • memory/2220-8-0x0000000000400000-0x0000000000569000-memory.dmp

          Filesize

          1.4MB

        • memory/2220-16-0x0000000001EC0000-0x0000000001F24000-memory.dmp

          Filesize

          400KB

        • memory/2220-17-0x0000000000400000-0x0000000000569000-memory.dmp

          Filesize

          1.4MB