Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 04:31

General

  • Target

    2024-09-11_a5775f46f7ae719755c1a5f2e1cc11d3_cryptolocker.exe

  • Size

    46KB

  • MD5

    a5775f46f7ae719755c1a5f2e1cc11d3

  • SHA1

    dc2be56c77c43b3a8bf8ec7a9da9168d3140fa06

  • SHA256

    f80ce5e9a3511297e090c9489a6b060d89d7f588cb21c792a4af4323be92aa95

  • SHA512

    0c0caba1ae858b436b774377e62399a669e2f1577f5379ee22a35b4c139035b42d1ed3f64c137c55314de517d20fcd4597ee18b62036d15ea720d19b7e02aee3

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDq:6j+1NMOtEvwDpjrRre

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\2024-09-11_a5775f46f7ae719755c1a5f2e1cc11d3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-11_a5775f46f7ae719755c1a5f2e1cc11d3_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:412
    • 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:5060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    fe1b7c2f8c6ef9bf1787d6a6e3529fcb

    SHA1

    5587a23005ee57cd6d95a27ad45052c9814b5aac

    SHA256

    1142a626a3191769583f4464dc9a06cab00ae3a2ebb08da783e23b5843bca3dd

    SHA512

    72f6f9ad51c5bcc893ab7171d3b315f70aafb71815462498fbe326eb7a84f4f8bea5ddb2419582147536c356dcc4f58af3100538278eadec2301bd29fe077cb9

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/412-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/412-1-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/412-2-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/412-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/412-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/5060-19-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/5060-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/5060-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB