Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 03:27

General

  • Target

    2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe

  • Size

    55KB

  • MD5

    22874134879c355bcc6641a9003a3910

  • SHA1

    92b85052a803886fd332e519f20b73bc3f5bed90

  • SHA256

    6d97ad48baba2d83c52de8a322132604adba5275d98ea0019a7796daee19b46c

  • SHA512

    5e55373dc9ebe1c1ba6cac035e3779dfd8b28cc0b40b054845d846d8827e852cd2519887d9e9e9d6b090ef2c0df0669cf6a7d901a2f2e495c593c31b2a373ad5

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIL:X6QFElP6n+gJBMOtEvwDpjBtExmlA

Score
7/10

Malware Config

Signatures

  • 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).

  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-25_22874134879c355bcc6641a9003a3910_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    6503d1200f3d6c261156f8e76f4df4bb

    SHA1

    001862ae6bd12d212420ef2cc9f9a5a67247fb4b

    SHA256

    473cd15c34f0a5b4da0ca8b70487a608ed2008778b69311d1e3212cd5f8e284b

    SHA512

    7312f5ce1838388302a9c64620d776b9479bfc7f0424ec513fadc85d4a64f6252b3edad476e980d6e2047ccd0fab173811ae4d575925f806dcb53440d7a417bd

  • memory/2400-17-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/2400-18-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2660-0-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/2660-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/2660-2-0x0000000000800000-0x0000000000806000-memory.dmp

    Filesize

    24KB