Analysis

  • max time kernel
    142s
  • max time network
    143s
  • 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 08:20

General

  • Target

    2024-10-31_ff7add3b5bbea75deb80d10f6c5b1692_cryptolocker.exe

  • Size

    87KB

  • MD5

    ff7add3b5bbea75deb80d10f6c5b1692

  • SHA1

    6b87948e3f3b9967aa533a0326638743f8d088d4

  • SHA256

    c2136221c2ad2cfa9f6c887d3557d8d1186756425d376d7b96458480f97fec4d

  • SHA512

    3bc40b8225a9467c58918d4b09fc1723815d03c2060b8142ba094926aafddab8044467e9be45be5e85b8ab71036021ba02d5498db604f1d5761a21eb6d5a7b38

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+ZN:TCjsIOtEvwDpj5HE/OUHnSMl

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 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-31_ff7add3b5bbea75deb80d10f6c5b1692_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_ff7add3b5bbea75deb80d10f6c5b1692_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • 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

    87KB

    MD5

    0fb002e7f976c96ee55657b519c117fe

    SHA1

    3618fbb1b41fa828585a41b4bee8991d0d5d4feb

    SHA256

    9fd9379d6a1d98d12455ad61def0b4749c8c3b5b2a8efacb47ff6ad58707ad0f

    SHA512

    ea2736cea97fb083548dea634e5592b72710f9739bae8159c0723bf27fe5c3a90d2f97cde755a008436b781ebafff61108ca525ac234b12ce3e5075e1e49652e

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2448-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2448-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/2448-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/2448-3-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/2448-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4300-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4300-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4300-38-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB