Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 08:28

General

  • Target

    2024-10-31_965875f7a734c5b036ab12b9e54a676f_cryptolocker.exe

  • Size

    48KB

  • MD5

    965875f7a734c5b036ab12b9e54a676f

  • SHA1

    1cc5007f32e66aca623d680ffbfd63d60e6204d5

  • SHA256

    b8dd6e857ec45b7c565fda75d22b4007489f974066bc83ef0d84e3cfecb93243

  • SHA512

    d04990e89983d893b2bb41766f49df02214dbf528d863b553d592bdc0c860e0b1b0cdd667b694fcaa1170dfea4bc5ea888cce32d0123311a6b715c0daa811228

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAl:P6QFElP6k+MRQMOtEvwDpjBQpVX8Al

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\2024-10-31_965875f7a734c5b036ab12b9e54a676f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_965875f7a734c5b036ab12b9e54a676f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • 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:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    48KB

    MD5

    6f389e867a1f4abd975eea031f4eb45b

    SHA1

    5afa3538b89c0eb45e64a2f3d43fe772b05ada3a

    SHA256

    1cd1144fcf854e8db677dc801cf599f26ae9cb0755a1ba88ada4215c10f09e40

    SHA512

    55a5b4ef653a5c59275fdcb72baf5bcc1cbae8bb8d820b506b9682e13764c1c736b1a3b6bcb77fa4b0da809ed71f47b353b188aaeff7185f3e9018f543de7217

  • memory/2124-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2124-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2124-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2124-3-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2124-14-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2512-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2512-17-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2512-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB