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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/05/2024, 04:23

General

  • Target

    2024-05-23_222c02d067a4d06f0822d62b65c1c3e4_cryptolocker.exe

  • Size

    48KB

  • MD5

    222c02d067a4d06f0822d62b65c1c3e4

  • SHA1

    df8a407a74cb78db7cd42a4de61314649399c912

  • SHA256

    27a0bf3c76c8328613e85b9a20ba3e6d2cdd98c50963c3d97e8989236ddb4928

  • SHA512

    f792af0a30147ccf65d9ea92d585d8a6b0922960db384eedc55ac63e1b68387a77504f380627e77c7e3fec8f8fbd83c8a00c5a027fbc015ce7a7655fce9d103f

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaRhAj:xj+VGMOtEvwDpjy+TRhE

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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\2024-05-23_222c02d067a4d06f0822d62b65c1c3e4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-23_222c02d067a4d06f0822d62b65c1c3e4_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    7f9f2dce9e9e4cfdb9dafc5c06df7c90

    SHA1

    603d57c579498c01b4b0bfefe9146b1606432082

    SHA256

    1a74a6e0b9f614dc3cb02971cc036931f8d0c954cd6a1e06c316b9dd8e438a86

    SHA512

    3f7ababe73de015c597a44f7fec6859e4ddeda68993b163816992a580539c0e556bc01a69df2a0b32b9db38e983419636756a66391ab88e7353459ed49d2ab0d

  • memory/1848-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1848-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1848-2-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/1848-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1848-13-0x0000000002840000-0x0000000002850000-memory.dmp

    Filesize

    64KB

  • memory/1848-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2884-18-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2884-25-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2884-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB