Analysis

  • max time kernel
    174s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 05:18

General

  • Target

    a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d.exe

  • Size

    388KB

  • MD5

    ee48923e9421a22a7ce1af204faf3495

  • SHA1

    91e2e2894c5a291deece18edf727bff17460b267

  • SHA256

    a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d

  • SHA512

    f562d7ee04a8f5709ba2553a78123049130a89f33c650d0d5b824d0c009c8fab7e2c1297508ac50849c06b38574521c7dab76337134b41f1e046aa1c89c7dd1d

  • SSDEEP

    6144:08tK5Ggk1+vOd0RneBRQALcMqB6D5B1RDHmIEaqddK:uMgk1Yd8R2MqIDz1xHmIPQg

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d.exe
    "C:\Users\Admin\AppData\Local\Temp\a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d.exe
      "C:\Users\Admin\AppData\Local\Temp\a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\windows\System.exe
        "C:\windows\System.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:760
        • C:\windows\System.exe
          "C:\windows\System.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:1280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\System.exe

    Filesize

    388KB

    MD5

    ee48923e9421a22a7ce1af204faf3495

    SHA1

    91e2e2894c5a291deece18edf727bff17460b267

    SHA256

    a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d

    SHA512

    f562d7ee04a8f5709ba2553a78123049130a89f33c650d0d5b824d0c009c8fab7e2c1297508ac50849c06b38574521c7dab76337134b41f1e046aa1c89c7dd1d

  • C:\Windows\System.exe

    Filesize

    388KB

    MD5

    ee48923e9421a22a7ce1af204faf3495

    SHA1

    91e2e2894c5a291deece18edf727bff17460b267

    SHA256

    a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d

    SHA512

    f562d7ee04a8f5709ba2553a78123049130a89f33c650d0d5b824d0c009c8fab7e2c1297508ac50849c06b38574521c7dab76337134b41f1e046aa1c89c7dd1d

  • C:\windows\System.exe

    Filesize

    388KB

    MD5

    ee48923e9421a22a7ce1af204faf3495

    SHA1

    91e2e2894c5a291deece18edf727bff17460b267

    SHA256

    a509cc02a8ad2c8f730e9e81e21375bd2ead873435370d9a996535822af8031d

    SHA512

    f562d7ee04a8f5709ba2553a78123049130a89f33c650d0d5b824d0c009c8fab7e2c1297508ac50849c06b38574521c7dab76337134b41f1e046aa1c89c7dd1d

  • memory/760-89-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/760-71-0x0000000000000000-mapping.dmp

  • memory/1280-94-0x00000000005E0000-0x0000000000628000-memory.dmp

    Filesize

    288KB

  • memory/1280-93-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1280-92-0x00000000005E0000-0x0000000000628000-memory.dmp

    Filesize

    288KB

  • memory/1280-91-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1280-86-0x00000000004071F0-mapping.dmp

  • memory/1968-62-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-70-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-73-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-69-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/1968-65-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-66-0x00000000004071F0-mapping.dmp

  • memory/1968-63-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-61-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-60-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-58-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1968-57-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2024-68-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2024-54-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB