Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 19:49

General

  • Target

    730f9c3e99beda425754493c32dc3b2b_JaffaCakes118.exe

  • Size

    1006KB

  • MD5

    730f9c3e99beda425754493c32dc3b2b

  • SHA1

    8b9f609fa7742e0d7fe59ae9db28b63ba6df90d9

  • SHA256

    de3b218ae82c286412030f12c5643bc9583816635e9b094127ae9132886faa1a

  • SHA512

    3aa7c7819acdb7daddd3863a9c4f5a093d2c55ceac850a552505a1665a36f54b387d2b80d9d86b31251eb2c14454baaaa424c307d98368740f490878066f9a01

  • SSDEEP

    24576:ymgj4I9Ihi1S3oYmsTSg82hDHWITec+Csu:t/l3olg80HLua

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\730f9c3e99beda425754493c32dc3b2b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\730f9c3e99beda425754493c32dc3b2b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\730f9c3e99beda425754493c32dc3b2b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\730f9c3e99beda425754493c32dc3b2b_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2368
      • 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\921BAE99.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:2316
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2524

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\921BAE99.rtf
      Filesize

      20KB

      MD5

      01565b01777c655e265ee32f64b1ea80

      SHA1

      ba287f227caace28d5b4b20c5e32a7578ff3ead8

      SHA256

      a8c4f5a281a014df865d5b3ec1edce30d4f48b6bf4f66b649e8fb34f441145b4

      SHA512

      4f50153822a9002a32c041267f82ecb0a53b95f6354b6606aa7bf0f75ab7f9698671c09e2fb9784e270111a810e445744b1ddef73a2f7f5e425048451168524e

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

      20KB

      MD5

      8ea79e074ff10e5b1c013bf16da1725e

      SHA1

      b63a6d05acfdf420f28ffaf561d53dc8dc80f0cc

      SHA256

      6ea3268281285ca333968771ff0e08d8fbf0b9d472e7994094d72bb14c793801

      SHA512

      8a2a3208c59f17cc88b49fd508e3a9e70defd0b6d4647b183ef3a9097acf0a257aeec9779521744ec41a8fdf3599287549e5d601db8aa60ebb546462f53df6cb

    • memory/2316-14-0x000000002F3C1000-0x000000002F3C2000-memory.dmp
      Filesize

      4KB

    • memory/2316-49-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2316-29-0x0000000070EAD000-0x0000000070EB8000-memory.dmp
      Filesize

      44KB

    • memory/2316-18-0x0000000070EAD000-0x0000000070EB8000-memory.dmp
      Filesize

      44KB

    • memory/2316-17-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2368-6-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-9-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-10-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-13-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-5-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-8-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-7-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-28-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-4-0x0000000000400000-0x00000000005DF000-memory.dmp
      Filesize

      1.9MB

    • memory/2368-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2884-0-0x0000000001B20000-0x0000000001BEA000-memory.dmp
      Filesize

      808KB

    • memory/2884-1-0x0000000001B20000-0x0000000001BEA000-memory.dmp
      Filesize

      808KB