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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    26/07/2024, 21:49

General

  • Target

    2024-07-26_4be4d5754e3b1e98ac0a44380d7fef28_cryptolocker.exe

  • Size

    72KB

  • MD5

    4be4d5754e3b1e98ac0a44380d7fef28

  • SHA1

    05a302fd4cabcb35823b99f9442bbf3ca5ce6c79

  • SHA256

    649053328aee94049d367e57f49ed06df515d0cf97c1b5194745919894146130

  • SHA512

    1c623d75e01d0d52ebc33ea521addfd2d5ec35f52a38f2528e832c607bbf1359cdf5c130d469107919b45bc64c28e34575a96c04b51d6b36cc40312a177670c3

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rp:vj+jsMQMOtEvwDpj5HZYTjipvF24x

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\2024-07-26_4be4d5754e3b1e98ac0a44380d7fef28_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-26_4be4d5754e3b1e98ac0a44380d7fef28_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1020
    • 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:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    054dd9d093c29e51228f827cdaaf9c91

    SHA1

    bb17ea755839c25afcf31999c2fb36ec9d87c7cd

    SHA256

    e8ada49e5c49f1b9969aa0fe018dc3c91fb0c9988b93f44735bfceae99237eff

    SHA512

    211995520d5e4a1b3b0afd557c1b8f7ce5923bd4b4102e3265d1f2ed309b98d6be3f713eab044d7d1396b2d3dd92795f0974834af322d8615c4c0d40ab33db01

  • memory/1020-1-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/1020-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1020-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1708-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1708-15-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB