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Analysis

  • max time kernel
    151s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2024, 05:36

General

  • Target

    2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe

  • Size

    39KB

  • MD5

    2690644a0992ffcaa023d986c4f9b9cb

  • SHA1

    01af7e3a811998fb32a51f828ab300932b70824e

  • SHA256

    5f43c9e78bc23a8216ffd50d6a1c5bf18f7efbd67f7df36beef4e2248ceb4745

  • SHA512

    d9215725b13dbea8fb7671667373f4780120222e8915449522542e8106342f94ac0a45ff0e6173f03534bcc6f5e1e353bf7c36eed9691ffc3177ac3551e57c34

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqhMWKaQt:6j+1NMOtEvwDpjroA

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 IoCs
  • 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\2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-06_2690644a0992ffcaa023d986c4f9b9cb_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    0d9f26507873ad3271e39725e923e6da

    SHA1

    b41cced11d1615c8053321ac5d76e20b03cee53b

    SHA256

    a166c59e0020e72e0c37c430eae0b5213828d803b7e0169b4052d947b0c2ac7c

    SHA512

    21757988b49ff0e8644a4a78dcd08394f56aeadbaded04f1df360cb66c764cc01b6316a53f1e246f08fb2e1b9fb4b47aaa1a32fad60c9775d28947b3c7761711

  • memory/1752-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1752-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1752-3-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1752-2-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1752-13-0x0000000000680000-0x000000000068F000-memory.dmp

    Filesize

    60KB

  • memory/1752-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2556-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2556-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2556-23-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2556-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB