Analysis

  • max time kernel
    130s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:11

General

  • Target

    2024-10-31_edebc0db3161b6115224d14e797aa997_cryptolocker.exe

  • Size

    44KB

  • MD5

    edebc0db3161b6115224d14e797aa997

  • SHA1

    caec69750a8ec3b2028812179251b69757b1ec48

  • SHA256

    a863c7118698e7236ea8a23c245b946885b6a90fe8987c9d8ee92d53e8d14589

  • SHA512

    4f53ace6b755d5bbc0b52528b7b5f0b9b9e4125ccd4880e4d7a76b6a523246b371ddd4ab2d8cd6600fecb20a90b354465b994f938470e6fc21df34f2c6d835fa

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjZ1UKXJ0ToBpd:ZzFbxmLPWQMOtEvwDpjbtJ0gj

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-31_edebc0db3161b6115224d14e797aa997_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_edebc0db3161b6115224d14e797aa997_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    eab38fdc05476ec5233419392849d00a

    SHA1

    aed0f45f397eb5b73d1fdb2ad38874397d2ab41e

    SHA256

    f3d9ea66303cab12f5a145184eac318f960905239e8d1429c7018fc96695ed93

    SHA512

    e6d59cdfe337d3a55f5eeacc1de8894b9d3a22bf0cdece632df72c3af0f624d8dcac1504f121207c8040284209ee9aa2935d37c8962ba228088d22a04b2ceedf

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3928-0-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/3928-1-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/3928-2-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/3928-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/3928-17-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/4300-25-0x0000000002040000-0x0000000002046000-memory.dmp

    Filesize

    24KB

  • memory/4300-19-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB