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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
    26/08/2023, 13:56

General

  • Target

    a2aaef9e755cdd03a01e9056842d01d1_cryptolocker_JC.exe

  • Size

    33KB

  • MD5

    a2aaef9e755cdd03a01e9056842d01d1

  • SHA1

    cbdf45a07b9ff0a10cc1d2c76e5e1ec19e71bc12

  • SHA256

    c94b515b928cd6cc9ed84e6e24276a0b539d5b48f7fd11dc4acc9a9297b852ee

  • SHA512

    8d95ecaee00f0b42ab608206381f2932b283ee0b5de75101be55819864331e3fe8f8db9fdc643cb6fd925be0dd59fd16122f278f58cac23ed232cdfba8eb67ac

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeM:ZzFbxmLPWQMOtEvwDpjLeM

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\a2aaef9e755cdd03a01e9056842d01d1_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a2aaef9e755cdd03a01e9056842d01d1_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    33KB

    MD5

    d204f9c9a6199d6c219a3bbc1b315245

    SHA1

    42bd9aace91561aece7c497be9de123efda83494

    SHA256

    097640f755e340115827d3db20b4660b6be34dbaf56f805eb48c552470c98fa9

    SHA512

    63d48516456b25c388ea541a1e0459fa9f8b825c5b8679a86eba4c7b7b24bd99987e19d18fb89ff0bed8911b13a1139e79c59de834e5c64689ec9a68d2f65442

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

    Filesize

    33KB

    MD5

    d204f9c9a6199d6c219a3bbc1b315245

    SHA1

    42bd9aace91561aece7c497be9de123efda83494

    SHA256

    097640f755e340115827d3db20b4660b6be34dbaf56f805eb48c552470c98fa9

    SHA512

    63d48516456b25c388ea541a1e0459fa9f8b825c5b8679a86eba4c7b7b24bd99987e19d18fb89ff0bed8911b13a1139e79c59de834e5c64689ec9a68d2f65442

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

    Filesize

    33KB

    MD5

    d204f9c9a6199d6c219a3bbc1b315245

    SHA1

    42bd9aace91561aece7c497be9de123efda83494

    SHA256

    097640f755e340115827d3db20b4660b6be34dbaf56f805eb48c552470c98fa9

    SHA512

    63d48516456b25c388ea541a1e0459fa9f8b825c5b8679a86eba4c7b7b24bd99987e19d18fb89ff0bed8911b13a1139e79c59de834e5c64689ec9a68d2f65442

  • memory/1996-14-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1996-17-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/1996-16-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2572-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2572-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2572-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB