Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:38

General

  • Target

    2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe

  • Size

    62KB

  • MD5

    8c998b91fc444b23579c8939ea4acbbd

  • SHA1

    411f1ccec9f1eb20fe96ec87f0f0efab3da8ff19

  • SHA256

    86ae9ea215a781b4ab6166d9916a9ec67ff2b123f79c872a7867006534fcc6ac

  • SHA512

    32a4d2ffc39f6497aa5fcae474fca82be2f17f1d60cacf1e773d9a9de0914f7d36af205b2ec6c57046c230a3806d82d92109b52633a6847e0e1bc3e763a5bc4d

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36ucJ:ZVxkGOtEvwDpjcaW

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3764
    • 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:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    7a66c80864c2785c12fcb33cce3c814c

    SHA1

    a6312a046201e3406f1dfc70b10f623190c76e43

    SHA256

    ff8358fee9ea17c51b0e888533cc82d42e56a94c954735e3296c4fbe92d279df

    SHA512

    b78aaa264f99c12a31c9d3cff0757cd047d4ecaf03803ca2d0575ec3c498c519c3aae5dcef606f8e33e37c9a647e8e0f6d5fe0cc8c1012d70c308b6296090887

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2944-19-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2944-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3764-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3764-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3764-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3764-3-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/3764-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB