Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 04:32

General

  • Target

    2024-09-09_dea97c11744b631474cca03b3e1c5ab6_cryptolocker.exe

  • Size

    50KB

  • MD5

    dea97c11744b631474cca03b3e1c5ab6

  • SHA1

    c3bb577f784973fb1665611d6845d20d4fb9a330

  • SHA256

    165698e0d1b55bdbf927318e565d8a136f946fa9e84dfb5324336d96b682953f

  • SHA512

    ffa4ac81cdcf2ef69b94e28f3358c0544a725617d3b6535566d281d26b38a09ea6bfe89c15ea75aca3ca9f4e1f6256f142c00952270e07a4475dc2b8d5e24e67

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaN4NO2BjjQ:xj+VGMOtEvwDpjy+TN41jU

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\2024-09-09_dea97c11744b631474cca03b3e1c5ab6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_dea97c11744b631474cca03b3e1c5ab6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1956
    • 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:4404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    6cd8c904bf5094baba3ad294d72ea851

    SHA1

    dd8807fec2d46b6663e7d496553c9f633f4a881c

    SHA256

    6595c870e8aad7b8cfb9d534e065c46428b248d6f6fcd5c836d658bd7e3dcd9d

    SHA512

    9ff3576e02144821e9afb07fd35c2ec2a4d7e7c30a9299fee5b5a7b1f22f9fe22199ec6c0c533aff69184df948458956cc65dcc296f5f0ed1bfa6754731e7d84

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1956-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1956-1-0x0000000002200000-0x0000000002206000-memory.dmp

    Filesize

    24KB

  • memory/1956-2-0x0000000002200000-0x0000000002206000-memory.dmp

    Filesize

    24KB

  • memory/1956-3-0x0000000002220000-0x0000000002226000-memory.dmp

    Filesize

    24KB

  • memory/1956-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4404-19-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/4404-25-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/4404-50-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB