Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 12:37

General

  • Target

    2024-06-13_750e223990dce61bee55f156e58d39c6_cryptolocker.exe

  • Size

    37KB

  • MD5

    750e223990dce61bee55f156e58d39c6

  • SHA1

    fb642c3d909eec39988202a4e89cfe6ec6ccc480

  • SHA256

    912a8453b6205de6ff53d4cb0200c7c1d39f591ef450c11d53d071ada9ef160c

  • SHA512

    60e471a8b34f423bc4549c56be9146a05fd8ceaeabf0e2b2c5777c603a2f9baba1ebec602c34ed2136b66b4d201b96b4abd52ae5c0e57a12c86ab577bd2f2a20

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4XYt:fT+hsMQMOtEvwDpjoIHIt

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Checks computer location settings 2 TTPs 1 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-13_750e223990dce61bee55f156e58d39c6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_750e223990dce61bee55f156e58d39c6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4184
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    8134872cbbc5197cddc08986b30ef99e

    SHA1

    2482d977db5112ffd15c6122891ed117f8052eb3

    SHA256

    2a95513d67b737d780c7a3e55869f885fc6be6ee94034019501496d431257ca5

    SHA512

    4e27499691959ba44cec1319d1e1ef308c2771b08fea8ea29a5780fdb7fd26d19b212471430eaf776c287260178dadc70e0a09f69610b6b6bfb8e2302d492dc7

  • memory/388-17-0x0000000002000000-0x0000000002006000-memory.dmp

    Filesize

    24KB

  • memory/388-23-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

    Filesize

    24KB

  • memory/4184-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4184-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4184-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB