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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 23:23

General

  • Target

    2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe

  • Size

    84KB

  • MD5

    d1acab556b7caba505c8a950611eeab3

  • SHA1

    a381fbd1935ce15b089966347fdcdcbf1bede478

  • SHA256

    5015d98708c958001224270994170f9c5b3110169c1c1b28311f3908a7d00f28

  • SHA512

    15b2c07832780592ad9ca8c2a6c1ac25bdf5459ea386fb433ee1a4936eda55ab237c8358474c9186cc42e8ec624de7d34062beddace2aff9b324c086c437f33b

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvA9:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8A9

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 5 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    84KB

    MD5

    8c36f9ec358f597df1f6798c8c066dad

    SHA1

    374e9d9ff5e25912b9c13e55d643ee685395f52d

    SHA256

    3b01eb8c4a6bfe50d7bbf0b56a5e51fcd2ade92e9992f9409ca1d7f139b946bc

    SHA512

    2d18a8c399c147a0e11c7a176a26d972edda3e237d2e8b0c74ede9962b967897784a2580f0a9f0afd0c3ef5b444f94df737102e6e3851a5e9b400ff68831c436

  • memory/112-19-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/112-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/112-21-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/112-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1252-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1252-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1252-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1252-3-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1252-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1252-16-0x0000000000990000-0x000000000099F000-memory.dmp

    Filesize

    60KB