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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 16:21

General

  • Target

    2024-09-12_34c726f5704091aad5cd354b62e7e336_cryptolocker.exe

  • Size

    70KB

  • MD5

    34c726f5704091aad5cd354b62e7e336

  • SHA1

    fae06afa1768a69d568bc7ca4df301a575fa1e1f

  • SHA256

    faeeb8fb48045652d8dbe0e538d95b3df44115fabca34b33f22efec59b3b6200

  • SHA512

    b5e157e662bb90ca9e2e8238c1c19ceb9f72a31f53ee483666582a2ab0cacf0f3b4db4b704e289e5267ee42351e09c60c5fc60a4e92fd1922b782c2ce50f66ff

  • SSDEEP

    1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQApI0u:78SEOtEvwDpjWYvQd2Pe

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-12_34c726f5704091aad5cd354b62e7e336_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_34c726f5704091aad5cd354b62e7e336_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    5b0c0925336718ab1e1c4ae451a40469

    SHA1

    b84997455a3a0ef83f6998c7c8b9e0c1b7ecf87f

    SHA256

    2019ed2dbf5831d829c3d824ffc049c489e917f2e68558776738ccaea3401813

    SHA512

    9849451328db74c8783467b9e4790b6c715ded97f551cedf93b98afdc3af6a17de0856ddf24e392342fb5bd6de8140c5f2a61ac6e832594db5de7c48b56566fd

  • memory/2748-20-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2748-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2748-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2792-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2792-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2792-2-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2792-3-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2792-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2792-14-0x00000000006D0000-0x00000000006DF000-memory.dmp

    Filesize

    60KB