Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    04/05/2024, 22:46

General

  • Target

    14d15ea4d6bb69aa8817f2cb6ba04986_JaffaCakes118.exe

  • Size

    135KB

  • MD5

    14d15ea4d6bb69aa8817f2cb6ba04986

  • SHA1

    aba3e8a1ae0e765ffc6189c398fd00ace53d49ca

  • SHA256

    6cbccee5ea45643f8c7f595c4cff567764312a823ca958ef8dfb58c0d71495c6

  • SHA512

    cafe59ec9788aa4bb1dfe48174684700d86905645555865f8a7ae6a65ccd35d5151f33a15787017432ae8cac86848a6bc473874f06ed12c5e23a9c2b354e25a9

  • SSDEEP

    3072:FIYz/qlEKKoRc4Jd31Ug38GsOD+Gjz+W36NWApU:FI2s79RcO31l8Gslov6oApU

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14d15ea4d6bb69aa8817f2cb6ba04986_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\14d15ea4d6bb69aa8817f2cb6ba04986_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /tn "Microsoft LocalManager [1969191089]" /f /tr "C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe"
      2⤵
      • Creates scheduled task(s)
      PID:860
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0607E164-98DF-43D2-9B58-BFDA8293978D} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe
      C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2652
    • C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe
      C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2852
    • C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe
      C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2392

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\{94769025-9476-9476-947690250108}\csrss.exe

          Filesize

          135KB

          MD5

          14d15ea4d6bb69aa8817f2cb6ba04986

          SHA1

          aba3e8a1ae0e765ffc6189c398fd00ace53d49ca

          SHA256

          6cbccee5ea45643f8c7f595c4cff567764312a823ca958ef8dfb58c0d71495c6

          SHA512

          cafe59ec9788aa4bb1dfe48174684700d86905645555865f8a7ae6a65ccd35d5151f33a15787017432ae8cac86848a6bc473874f06ed12c5e23a9c2b354e25a9

        • memory/2312-0-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2312-1-0x0000000000130000-0x0000000000131000-memory.dmp

          Filesize

          4KB

        • memory/2312-4-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2312-8-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2312-9-0x0000000000130000-0x0000000000131000-memory.dmp

          Filesize

          4KB

        • memory/2392-14-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2392-13-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2652-7-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2852-11-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB