Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 13:37

General

  • Target

    067c797f52d75acc17fb63f115517145_JaffaCakes118.exe

  • Size

    468KB

  • MD5

    067c797f52d75acc17fb63f115517145

  • SHA1

    895d9741d4b02bc85925c5ee84376ad9a21767b1

  • SHA256

    c49a77f42a2c2348cd5bfb8351f601821ef23d46e8166026bd77a27b8cbc893b

  • SHA512

    af58f39122747bacb733af6965d14ed0df3d16cbd0725e5bfe5c68560f3d60e86896bf18bf0a6dd7bf0522da70c83ae3ea567acc9d762a8f1b36887a2a8ef3b3

  • SSDEEP

    12288:fb7jkD3v0VBRxE5MBGlcM7UdToS7UZWG1j3FLiUhf:fb3w3v8BRqEM7UdHU1j35iI

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\HKFX2008.BAT
      2⤵
      • Deletes itself
      PID:2728
  • C:\Windows\GHFHGJHNSSJDW.exe
    C:\Windows\GHFHGJHNSSJDW.exe
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\GHFHGJHNSSJDW.exe

      Filesize

      468KB

      MD5

      067c797f52d75acc17fb63f115517145

      SHA1

      895d9741d4b02bc85925c5ee84376ad9a21767b1

      SHA256

      c49a77f42a2c2348cd5bfb8351f601821ef23d46e8166026bd77a27b8cbc893b

      SHA512

      af58f39122747bacb733af6965d14ed0df3d16cbd0725e5bfe5c68560f3d60e86896bf18bf0a6dd7bf0522da70c83ae3ea567acc9d762a8f1b36887a2a8ef3b3

    • C:\Windows\HKFX2008.BAT

      Filesize

      218B

      MD5

      29cd88c29bcd0d3d1772dd3c968e8096

      SHA1

      791e256ed68e17c0f6fdd8f383063a4d40c78fe9

      SHA256

      ba48eea8d7376cb3dbac8919278ffab139cc85846d0ef8b6d785a2f042ce7172

      SHA512

      3f87ea00182db8223c323333bec465364d22e60a4725f4bf5aadf3064cd4d0ab3630b4b6e4f1c3895163088c6bec1d3c5c4636f22daa03c393779c1fd012aca7

    • memory/2024-11-0x0000000001F80000-0x0000000001F81000-memory.dmp

      Filesize

      4KB

    • memory/2024-7-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

      Filesize

      4KB

    • memory/2024-2-0x00000000003D0000-0x00000000003D1000-memory.dmp

      Filesize

      4KB

    • memory/2024-9-0x0000000002040000-0x0000000002041000-memory.dmp

      Filesize

      4KB

    • memory/2024-15-0x0000000002F00000-0x0000000002F01000-memory.dmp

      Filesize

      4KB

    • memory/2024-14-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

      Filesize

      4KB

    • memory/2024-13-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

      Filesize

      4KB

    • memory/2024-12-0x0000000001F60000-0x0000000001F61000-memory.dmp

      Filesize

      4KB

    • memory/2024-34-0x0000000000400000-0x00000000004E4000-memory.dmp

      Filesize

      912KB

    • memory/2024-10-0x0000000000640000-0x0000000000641000-memory.dmp

      Filesize

      4KB

    • memory/2024-8-0x0000000002050000-0x0000000002051000-memory.dmp

      Filesize

      4KB

    • memory/2024-3-0x0000000000260000-0x0000000000261000-memory.dmp

      Filesize

      4KB

    • memory/2024-6-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

      Filesize

      4KB

    • memory/2024-5-0x0000000000610000-0x0000000000611000-memory.dmp

      Filesize

      4KB

    • memory/2024-18-0x0000000000630000-0x0000000000631000-memory.dmp

      Filesize

      4KB

    • memory/2024-20-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

      Filesize

      4KB

    • memory/2024-19-0x0000000000620000-0x0000000000621000-memory.dmp

      Filesize

      4KB

    • memory/2024-4-0x00000000003E0000-0x00000000003E1000-memory.dmp

      Filesize

      4KB

    • memory/2024-49-0x00000000002A0000-0x00000000002DA000-memory.dmp

      Filesize

      232KB

    • memory/2024-1-0x00000000002A0000-0x00000000002DA000-memory.dmp

      Filesize

      232KB

    • memory/2024-0-0x0000000000400000-0x00000000004E4000-memory.dmp

      Filesize

      912KB

    • memory/2412-25-0x0000000001E10000-0x0000000001E11000-memory.dmp

      Filesize

      4KB

    • memory/2412-33-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

      Filesize

      4KB

    • memory/2412-32-0x0000000002220000-0x0000000002221000-memory.dmp

      Filesize

      4KB

    • memory/2412-30-0x0000000001E90000-0x0000000001E91000-memory.dmp

      Filesize

      4KB

    • memory/2412-29-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

      Filesize

      4KB

    • memory/2412-28-0x0000000001E70000-0x0000000001E71000-memory.dmp

      Filesize

      4KB

    • memory/2412-27-0x0000000002280000-0x0000000002281000-memory.dmp

      Filesize

      4KB

    • memory/2412-26-0x0000000002200000-0x0000000002201000-memory.dmp

      Filesize

      4KB

    • memory/2412-24-0x0000000001E00000-0x0000000001E01000-memory.dmp

      Filesize

      4KB

    • memory/2412-31-0x0000000002210000-0x0000000002211000-memory.dmp

      Filesize

      4KB

    • memory/2412-36-0x0000000001E50000-0x0000000001E51000-memory.dmp

      Filesize

      4KB

    • memory/2412-35-0x0000000001E60000-0x0000000001E61000-memory.dmp

      Filesize

      4KB

    • memory/2412-23-0x0000000001C90000-0x0000000001CCA000-memory.dmp

      Filesize

      232KB

    • memory/2412-47-0x0000000002240000-0x0000000002241000-memory.dmp

      Filesize

      4KB

    • memory/2412-46-0x0000000002230000-0x0000000002231000-memory.dmp

      Filesize

      4KB

    • memory/2412-45-0x0000000001E80000-0x0000000001E81000-memory.dmp

      Filesize

      4KB

    • memory/2412-50-0x0000000002260000-0x0000000002261000-memory.dmp

      Filesize

      4KB

    • memory/2412-22-0x0000000000400000-0x00000000004E4000-memory.dmp

      Filesize

      912KB

    • memory/2412-52-0x0000000000400000-0x00000000004E4000-memory.dmp

      Filesize

      912KB

    • memory/2412-54-0x0000000001C90000-0x0000000001CCA000-memory.dmp

      Filesize

      232KB

    • memory/2412-53-0x0000000000400000-0x00000000004E4000-memory.dmp

      Filesize

      912KB

    • memory/2412-55-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

      Filesize

      4KB