Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2023 18:25

General

  • Target

    0dd4e25fe7b368ffe8ed961acae5ce83_cryptolocker_JC.exe

  • Size

    85KB

  • MD5

    0dd4e25fe7b368ffe8ed961acae5ce83

  • SHA1

    389aac9bc7df8e1254b7ff7597a9e275eec6fc0f

  • SHA256

    2acde4a73d82402427c1490329279593ba286210ee3873c8abf759c6ce1f0bcf

  • SHA512

    a968dd82330e4e7a4e77321cc57cc27176e568765f95ea3e245e83c8895d608234a69728f8e7cb0ae31671db9b4cc336b50d3dd1db6c515519f723e16b534147

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjA:zCsanOtEvwDpj9

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 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\0dd4e25fe7b368ffe8ed961acae5ce83_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\0dd4e25fe7b368ffe8ed961acae5ce83_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    85KB

    MD5

    dfb0cffb423526805f3bce6927d9e674

    SHA1

    c9a1f6a9d0cd134d05a68b3e204c84c38a77d4e3

    SHA256

    76c4ccefac9fb5594a6a05a1f8a7f4c2ff4825b1131129db5e57c8f1f8927372

    SHA512

    24a8164d2c39e6efc3baff1691209014fe9bee223a36c8aef1d509cab19bcfaacd40827b14a5a41564116be6aaf5a1f5c287f472fe5fcafe135bb311895c16b2

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

    Filesize

    85KB

    MD5

    dfb0cffb423526805f3bce6927d9e674

    SHA1

    c9a1f6a9d0cd134d05a68b3e204c84c38a77d4e3

    SHA256

    76c4ccefac9fb5594a6a05a1f8a7f4c2ff4825b1131129db5e57c8f1f8927372

    SHA512

    24a8164d2c39e6efc3baff1691209014fe9bee223a36c8aef1d509cab19bcfaacd40827b14a5a41564116be6aaf5a1f5c287f472fe5fcafe135bb311895c16b2

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

    Filesize

    85KB

    MD5

    dfb0cffb423526805f3bce6927d9e674

    SHA1

    c9a1f6a9d0cd134d05a68b3e204c84c38a77d4e3

    SHA256

    76c4ccefac9fb5594a6a05a1f8a7f4c2ff4825b1131129db5e57c8f1f8927372

    SHA512

    24a8164d2c39e6efc3baff1691209014fe9bee223a36c8aef1d509cab19bcfaacd40827b14a5a41564116be6aaf5a1f5c287f472fe5fcafe135bb311895c16b2

  • memory/1712-54-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1712-55-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1712-57-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/1712-56-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1712-69-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2676-70-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2676-72-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2676-73-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2676-80-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB