Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 00:26

General

  • Target

    69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

  • Size

    1007KB

  • MD5

    69231c0c5f533a3bee41c1fbdbb53d88

  • SHA1

    a21ae0918618fd8362ceaa0dd21326a3ac085de0

  • SHA256

    b0235590d7649c6dc4bc2e94eb8a32a24eac07df2a330b52fa72f97f71f0432c

  • SHA512

    d9aab88cd9558ee43df10df0b65d719a030fb0088aa3dc57b4258bad5c99efb9d12df3f7ec2b21185c4a2ff3a4d3467d57e4dfeda5722509cd4570bd31f227d4

  • SSDEEP

    24576:ymrsY0pl10w3COTWN8mKqIccHAlX1wdhMlsmgJtel2RQnVUrC:9Gpl10c3mKqtr11w+TgJty2yn/

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
        "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\26B5E98C.rtf"
        3⤵
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2536
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:1984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\26B5E98C.rtf

      Filesize

      20KB

      MD5

      01565b01777c655e265ee32f64b1ea80

      SHA1

      ba287f227caace28d5b4b20c5e32a7578ff3ead8

      SHA256

      a8c4f5a281a014df865d5b3ec1edce30d4f48b6bf4f66b649e8fb34f441145b4

      SHA512

      4f50153822a9002a32c041267f82ecb0a53b95f6354b6606aa7bf0f75ab7f9698671c09e2fb9784e270111a810e445744b1ddef73a2f7f5e425048451168524e

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      6b2f2c7697d11879ae78d086dc9bedaf

      SHA1

      0cc46f7aa92c39905d96e32714abd994d29712db

      SHA256

      211135eba91b753bc63f4d2714c08c566a4020d0becea691c46d60171163b0d1

      SHA512

      04a1a44827e1a858be9b8a53d5d2566db171f7f06a8c03104b083713ab3c15bb509a2cf925ad0bc341cd4a9db2bbaeeaa691b0cea0d4f7e7b22648ff452777d9

    • memory/1624-0-0x0000000001BD0000-0x0000000001C9A000-memory.dmp

      Filesize

      808KB

    • memory/1624-1-0x0000000001BD0000-0x0000000001C9A000-memory.dmp

      Filesize

      808KB

    • memory/2536-16-0x000000002FBB1000-0x000000002FBB2000-memory.dmp

      Filesize

      4KB

    • memory/2536-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2536-29-0x00000000716BD000-0x00000000716C8000-memory.dmp

      Filesize

      44KB

    • memory/2536-18-0x00000000716BD000-0x00000000716C8000-memory.dmp

      Filesize

      44KB

    • memory/2536-17-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2960-6-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-15-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-9-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-10-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-8-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-4-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-28-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-7-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-5-0x0000000000400000-0x00000000005DF000-memory.dmp

      Filesize

      1.9MB

    • memory/2960-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB