Analysis

  • max time kernel
    93s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 03:37

General

  • Target

    2024-09-27_6e2a4b59aeed7f6c1472fe4575d1fae6_cryptolocker.exe

  • Size

    51KB

  • MD5

    6e2a4b59aeed7f6c1472fe4575d1fae6

  • SHA1

    aaf4dfe5200bf7a584439599fd52d756733855d3

  • SHA256

    c673e3e72a8fb7aae83245f578abaa379a006ed2341f1ee765ba3ba1f38a950c

  • SHA512

    e9eb137f9a99319409c2f9b8e8dfefff91fb47544bf36cd856e3353243ad5fc3de20ba30c258dac33218bdb2b5812a4922212b57ee7dec27ce3c8d5438febaf4

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nUI:vj+jsMQMOtEvwDpj5HczerLO04BI

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\2024-09-27_6e2a4b59aeed7f6c1472fe4575d1fae6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-27_6e2a4b59aeed7f6c1472fe4575d1fae6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • 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:4092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    6323b65d9077d887675caa88a9a580f5

    SHA1

    c8c028951c863a38a4530d1fbd2683a52cc38510

    SHA256

    6dd25c5a34903a6ffd5f045eccea9421f5c008d7fa5a6bc6f0ff17bde71a9d5f

    SHA512

    40392e88ea5147ea879972122e5158fcb507096c140410bbe3aeafbbec297c2e6ecff9ef761d7a85bce8a1993517584af0b27431510710d6209559f90b62ede8

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2512-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2512-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2512-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/4092-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4092-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB