Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 00:32

General

  • Target

    e8cba98a1072120f172eadef52f1adbc_JaffaCakes118.rtf

  • Size

    100KB

  • MD5

    e8cba98a1072120f172eadef52f1adbc

  • SHA1

    fafcb361df4bdcf4e01258fc5a377d6a09c9d31d

  • SHA256

    2a3f9ee6932dd327041b7a1a4eeb592575aecec28f45b94612dd31f098953dd1

  • SHA512

    bd4a86b1944a4e0ca08ceed3ba6ee6c07feb4c4bae672907337aa55449d6a38ef1e30036fbbf73ec5c4c86d1499645090a93ca8c3b3fdbd325593f5cfaf5b86d

  • SSDEEP

    384:JwoB/l2rN3+G82nuWFQJsxlSQqfYptZ4x:JB8NLhrS9ki

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\e8cba98a1072120f172eadef52f1adbc_JaffaCakes118.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2480
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Launches Equation Editor
      PID:2600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      3f2ad591af2b945122d01f97b7dd8cfe

      SHA1

      4b8ef8af8ddbb81a69d75e0e36261977f25d75fa

      SHA256

      4e13268eba1d9cfcc24832c15830322b324c92c9c7c131565e503da65af56ed9

      SHA512

      7c9cce18203e0ee00d1c00f4cdc12526028bc1cce63c71c0034ab63093bb9c662c9657b8937f42b1d9f2c10e633982ec368f3b3ef109225b06fb4ae6cc59c334

    • memory/2120-0-0x000000002F181000-0x000000002F182000-memory.dmp

      Filesize

      4KB

    • memory/2120-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2120-2-0x000000007141D000-0x0000000071428000-memory.dmp

      Filesize

      44KB

    • memory/2120-11-0x000000007141D000-0x0000000071428000-memory.dmp

      Filesize

      44KB

    • memory/2120-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB