Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:13

General

  • Target

    2024-09-05_b347d648b40862aa0ddb471195135b0e_cryptolocker.exe

  • Size

    45KB

  • MD5

    b347d648b40862aa0ddb471195135b0e

  • SHA1

    9bd8a6b2436ff4a2b2f7f270091a90da10f648aa

  • SHA256

    cb3ad61802bba6b22c100ce145b35f4a0ce90d2596e6ede356affc8ff8b4880a

  • SHA512

    3904ade6ef81eeb2ba96651ed025793e30563888ab9f39a1535cf55859c437e1cfe744e214ff4c02a07f01d65d0a1fba25d1bcb002ae422b2fb827d95be39303

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hk9:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-05_b347d648b40862aa0ddb471195135b0e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_b347d648b40862aa0ddb471195135b0e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2712
    • 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:316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    0522d22134ac05fc7bf9078f4b0b4729

    SHA1

    fd16fd2083c72ecb6f8ab39334a2c8289067acf8

    SHA256

    d57ed36846b7f03566e4ce9eb6ab9c1aff7b38f898f3063aa492c600d4525012

    SHA512

    f057b567ad3ec17c42dd4664c6fba4ae179c926d31531cf716d9edb65855b2d75a069c178647c57838676dd43689cf53ba81d93d705d8fb80d0a09d8fecef61b

  • memory/316-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/316-15-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/2712-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2712-1-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2712-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB