Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2024 15:54

General

  • Target

    2024-03-14_dfb4ac16425e2f12735c242bda7eef7b_cryptolocker.exe

  • Size

    62KB

  • MD5

    dfb4ac16425e2f12735c242bda7eef7b

  • SHA1

    220e825ee0b842a1235c010720666cfc2509ade4

  • SHA256

    d94fc981862bc36a064b2b5b1549a1a9132367eed62c3182e05f28b9b095eb4b

  • SHA512

    84272b78e2673675372f459df94027c32eff8159ca874e5297cd20b4c9a2314d0308863cdf36b1c704c5a91786b2253899416a89459b0e3e622998aaf98e9cc2

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xblzT:X6a+SOtEvwDpjBrOP

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-14_dfb4ac16425e2f12735c242bda7eef7b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-14_dfb4ac16425e2f12735c242bda7eef7b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2440

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    e4d0fb753da7d6bb2530f9a8887c86ad

    SHA1

    150753e32e0ef74ee7a1a42fd0101312be887bab

    SHA256

    af22ff3c264e1a17267696e127dbeb9593b74a26cf4dc3afdfa87c43df5d5d9e

    SHA512

    2ba1d6524b03b4810ab68cf557391818bab857cad6f955490abc4329f9c8d9c86fb515e5ab6ad934e2e1aa6924c203e97c31727cdfe73ed08e33dd05f3c4281e

  • memory/2440-15-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2440-20-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2780-0-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2780-1-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2780-2-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB