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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    15/08/2023, 16:28

General

  • Target

    f7e6c0015b14b9e27dfbcb4cfe4e2496_cryptolocker_JC.exe

  • Size

    35KB

  • MD5

    f7e6c0015b14b9e27dfbcb4cfe4e2496

  • SHA1

    44de95081b4e97880a777a37de48acc7d73ceb5a

  • SHA256

    34fafe21e940e73622f07ef2df7cfdaa64ffdfbd8aa49bc53edcaca7f4d43e61

  • SHA512

    9e7a586ab817291044062b6334e917e94b26b28070abff66927d6845545b1e5c3eac9fae1e810fbf4543a9f689a3286710f8bf748969c4ec77c567b2f1af20b0

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3vCIEeo:V6QFElP6n+gMQMOtEvwDpjeJQyvCIEr

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\f7e6c0015b14b9e27dfbcb4cfe4e2496_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\f7e6c0015b14b9e27dfbcb4cfe4e2496_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    0d7702a88c69207166aba5205fb64984

    SHA1

    bd519e4051fec565e562593e55a093faa1bc3706

    SHA256

    62fafd7a944d20968a9f85a30f8801184d28e39b4c7e4e7cd7d94b45397319e2

    SHA512

    c30ea0f20b496e4790bec16aa3c49c42899befec81a99d6fc5cc76fa85e62bcf621ba5a0a07acebf34881689063f4dd453c422e155da8b014c44700eeb22b2bc

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

    Filesize

    35KB

    MD5

    0d7702a88c69207166aba5205fb64984

    SHA1

    bd519e4051fec565e562593e55a093faa1bc3706

    SHA256

    62fafd7a944d20968a9f85a30f8801184d28e39b4c7e4e7cd7d94b45397319e2

    SHA512

    c30ea0f20b496e4790bec16aa3c49c42899befec81a99d6fc5cc76fa85e62bcf621ba5a0a07acebf34881689063f4dd453c422e155da8b014c44700eeb22b2bc

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

    Filesize

    35KB

    MD5

    0d7702a88c69207166aba5205fb64984

    SHA1

    bd519e4051fec565e562593e55a093faa1bc3706

    SHA256

    62fafd7a944d20968a9f85a30f8801184d28e39b4c7e4e7cd7d94b45397319e2

    SHA512

    c30ea0f20b496e4790bec16aa3c49c42899befec81a99d6fc5cc76fa85e62bcf621ba5a0a07acebf34881689063f4dd453c422e155da8b014c44700eeb22b2bc

  • memory/1440-54-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1440-55-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1440-56-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2456-70-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB