Overview

overview

10

Static

static

Bukti_Transfer.exe

windows7_x64

3

Bukti_Transfer.exe

windows10_x64

10

Analysis

  • max time kernel
    58s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    09/08/2021, 05:10

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General

  • Target
    Bukti_Transfer.exe
  • Size 883KB
  • Sample210809-7jcxr2evts
  • SHA256 036ba0b39a6d274f8472b05c0eb23900bb0ca9aafa0e90481ff58169ba0f1d30
  • MD5 SHA1 SHA512
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
    "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wwdIZcQqSA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA277.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:672
    • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
      "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
      2⤵
        PID:1100
      • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
        "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
        2⤵
          PID:1724
        • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
          "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
          2⤵
            PID:1828
          • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
            "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
            2⤵
              PID:112
            • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
              "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
              2⤵
                PID:620

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/752-60-0x00000000003F0000-0x00000000003F1000-memory.dmp
                  Download

                  memory/752-62-0x0000000004430000-0x0000000004431000-memory.dmp
                  Download

                  memory/752-63-0x0000000000610000-0x0000000000623000-memory.dmp
                  Download

                  memory/752-64-0x00000000055D0000-0x0000000005669000-memory.dmp
                  Download

                  memory/752-65-0x0000000001FC0000-0x0000000001FF8000-memory.dmp
                  Download