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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 08:23

General

  • Target

    2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe

  • Size

    49KB

  • MD5

    780a356aeb532188c460d4af5b1446c5

  • SHA1

    99b16dead669ed02e5ec94798bce615876047abc

  • SHA256

    ff444abe2ef4783528da9633644b2877b3dc5f394023fee698006eb168b5f6f3

  • SHA512

    80a321711387c0bbffb75205ba745db2b663b54c4c2a21588bfa2e0bd3d244419df8998d2925d0c52248f74764c2532b174634edb22912b8d7401080caae66f6

  • SSDEEP

    768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx9UnuDLlD+w/:bIDOw9a0Dwo3P1ojvUSD4PInyD1

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\2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    1955804f24e60f7fdf1b157ae7ae12a6

    SHA1

    3c4de09d57d64ca6c5e790c5c0ea3c44a1fe53c0

    SHA256

    83f40a8c4bbfe08d5e0651428c3327ca216decc482a4a3797b8aeed64faf28ad

    SHA512

    2d7fedd22f2799d011cb9659eeb632295c0513aa3ad00ef90b1bad3aa49fe156804b471984aa0d38e03f3984d71ce082fd42014f0010b018525155679398ba6b

  • memory/2120-2-0x0000000001BB0000-0x0000000001BB6000-memory.dmp

    Filesize

    24KB

  • memory/2120-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/2120-0-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/2792-16-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2792-15-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB