Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2024 05:39

General

  • Target

    2024-01-01_22be022e24f27d436677a939b4eaadb6_cryptolocker.exe

  • Size

    58KB

  • MD5

    22be022e24f27d436677a939b4eaadb6

  • SHA1

    72c9e0e87de4f0b24b10674a6237390572d53709

  • SHA256

    539ac729c9153b9572bd2f08eac3ca707fafc88e64df7e4330b7452c0bb9ee35

  • SHA512

    3cc3e5c60b8fadf945c41971faf2df2283a88504b04b47e0bbdc8696570b92f5e4d6e876cdda6ab7c1452af11ce79723d24b45599142fd6c30215d3efb6c3473

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMT7t:TCjsIOtEvwDpj5HE/OUHnSMG

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-01_22be022e24f27d436677a939b4eaadb6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-01_22be022e24f27d436677a939b4eaadb6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    def9517fbf5f5f34dd764616c1a63bf9

    SHA1

    ca1aa51f01f63642c1eff6d916d4179659bef60f

    SHA256

    5a735b714b75cfe2569432dbc848b3d364448f13a39e5d5759fb087377f23fae

    SHA512

    ed0178398fd039c946c2adc9f5c0b851f57c936701ca51de6b486aac1cab115ba0cf301ec041d455196ebe4efe1adac2d86a271b078737fa8ecc006ea7d7c5e4

  • memory/2480-18-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2916-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2916-3-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2916-2-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2916-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2916-14-0x00000000006B0000-0x00000000006BE000-memory.dmp

    Filesize

    56KB

  • memory/2916-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB