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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 11:58

General

  • Target

    2024-06-06_c79681ba3b089dd112db66b4d83abe65_cryptolocker.exe

  • Size

    89KB

  • MD5

    c79681ba3b089dd112db66b4d83abe65

  • SHA1

    717364b6bb57427d090816812d5e8a267d97eb5a

  • SHA256

    066263f16c9010350ce6accaad7ee31c4f3f38662ff936b91168ceebab4a21c5

  • SHA512

    db69d4ad6c2e17e436a997f95b150b2d8ab5e0720ff1d749da3e813d8e82f299867f4a627f636ff5895758d0287b122ffed2f3b6cad8259187a1995d70bf7297

  • SSDEEP

    768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODwv:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg6

Score
9/10
upx

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2024-06-06_c79681ba3b089dd112db66b4d83abe65_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_c79681ba3b089dd112db66b4d83abe65_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    aae305f708b80b9c0b5f980f93b1ff07

    SHA1

    3fe6dc1d1a55a8a12c73454998241b5c6adfd52f

    SHA256

    bf2f1c5a2aa6aeb6adc2fb13e9c4a8f73b98b6878082e939a726a1669decdebe

    SHA512

    5dde316aae248a9d9a41d248ce6bdcf20f4556a54a16bb2c95f8a1b1efee00e89726b80bc7f15709f06544606ccaef16e0e0810235760899a336f968b165b612

  • memory/3008-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3008-2-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/3008-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/3008-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/3008-13-0x00000000004E0000-0x00000000004EF000-memory.dmp

    Filesize

    60KB

  • memory/3008-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3044-19-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/3044-26-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/3044-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB