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Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2024, 01:47

General

  • Target

    a5c2313b5f7caeb02f3b1c24b880b4fdb237c12a9c14f50fbad593bf9fcb55c0.exe

  • Size

    213KB

  • MD5

    821f323f150bda90345f5a6b9938a907

  • SHA1

    7d921a2aa587d43b7cd4cf7119ee1ac24ab45be4

  • SHA256

    a5c2313b5f7caeb02f3b1c24b880b4fdb237c12a9c14f50fbad593bf9fcb55c0

  • SHA512

    e825ca4e3720276e9fd40e0489069ad65e167103168980eb750a82f050dc55b9c9a2bebe90f97eedcf6ae6f3919ba47979cef0d71e9a8179b548672aaa89a0b8

  • SSDEEP

    6144:ztvBPnU1b7e9SQii1EkoNlhlrQ2ZrM2x:Zv1nWdQP1EDhZPx

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5c2313b5f7caeb02f3b1c24b880b4fdb237c12a9c14f50fbad593bf9fcb55c0.exe
    "C:\Users\Admin\AppData\Local\Temp\a5c2313b5f7caeb02f3b1c24b880b4fdb237c12a9c14f50fbad593bf9fcb55c0.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:232
    • C:\Program Files (x86)\Microsoft Build\Isass.exe
      "C:\Program Files (x86)\Microsoft Build\Isass.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft Build\Isass.exe

    Filesize

    213KB

    MD5

    821f323f150bda90345f5a6b9938a907

    SHA1

    7d921a2aa587d43b7cd4cf7119ee1ac24ab45be4

    SHA256

    a5c2313b5f7caeb02f3b1c24b880b4fdb237c12a9c14f50fbad593bf9fcb55c0

    SHA512

    e825ca4e3720276e9fd40e0489069ad65e167103168980eb750a82f050dc55b9c9a2bebe90f97eedcf6ae6f3919ba47979cef0d71e9a8179b548672aaa89a0b8

  • C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe

    Filesize

    6.8MB

    MD5

    7ca7d515f42c802dfb928ab2d2ec6267

    SHA1

    9777488ba1232338ba7138b052d131040c413ef3

    SHA256

    0ac4c2940f5e3805297516322724ae82b679f9ef3505e1c9ad7434540b7b7437

    SHA512

    6c55d0044dd79b3d433965199db83b4d311933f2167f3ce90d1865b58e74cb513aec68df4a1fdb423dd808d3460d7cee4fcfb768704c47b7ae840c40de0a56ba

  • memory/232-5-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/232-4-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-18-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-25-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-9-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-7-0x0000000001A60000-0x0000000001A61000-memory.dmp

    Filesize

    4KB

  • memory/2560-14-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-15-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-6-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-23-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-24-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-8-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-32-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-33-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-39-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-42-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-43-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-44-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2560-45-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB