Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 07:41

General

  • Target

    2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe

  • Size

    73KB

  • MD5

    f634b76e3b7e399bb0d149d945a41e88

  • SHA1

    50678c49232ee774f54865baf7b75f3de33de19e

  • SHA256

    4018e75be60acefac3e57e32c978f14f3637fdb1f1da6edf798ce423ca2d70a0

  • SHA512

    07c7284c1bf3eb610c4411e6635fe6827cdedde25abb0fb3005bbe2bff70418fffaf7137ad172e398987ff03336f8fdb5cfc91c15059f4ee71074d2796e542db

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rx:vj+jsMQMOtEvwDpj5HZYTjipvF24p

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    73KB

    MD5

    03458a81a5386857109b2128b543608a

    SHA1

    ffe3d7ad26550d6ed9f695adbd56573649f46ddf

    SHA256

    262505533ccb3016af6c736c1799f1f50f72289e422e6173ff1efba752d2ba50

    SHA512

    6622d5c0a240b07d958d10f9510ec08126e21b6bf492afee0cd5e8a2f04db1c18978c1fe924d4bd2dd5b4da4d15ffbee8688b0a58b5aa1c9c1eab260d9283a0f

  • memory/1880-22-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1880-15-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2204-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2204-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/2204-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB