Analysis

  • max time kernel
    125s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 18:50

General

  • Target

    84dbeb770a728c415340d4ed6b8fd9fd66ca706e312464f1b68edd9fdf0aa0db.docm

  • Size

    36KB

  • MD5

    4d41aa8d48ebe4058400414209661ce1

  • SHA1

    d4bb81ee3cd28bf2d7f2bebeb3abcfb010a40a40

  • SHA256

    84dbeb770a728c415340d4ed6b8fd9fd66ca706e312464f1b68edd9fdf0aa0db

  • SHA512

    207cb9feb0bf381df043f896983a1cceb50d51276c0883e7586a26932bd4a137efbc00776e08dff3ed97a403ae160595ca9eb65bba09b694b6c33570be123da2

  • SSDEEP

    768:c6v3MYE5yrGJKqKcDZb+vgSGf4fKnUXXr6ffGxuH5l6:c6v8i0KDOjnm6ffGU5l6

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://91.220.131.114/upd/install.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 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 31 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\84dbeb770a728c415340d4ed6b8fd9fd66ca706e312464f1b68edd9fdf0aa0db.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:900
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1088
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\Users\Admin\AppData\Local\Temp\adobeacd-update.bat
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Windows\SysWOW64\PING.EXE
          ping 1.1.2.2 -n 2
          3⤵
          • Runs ping.exe
          PID:1828
        • C:\Windows\SysWOW64\chcp.com
          chcp 1251
          3⤵
            PID:1836
          • C:\Windows\SysWOW64\cscript.exe
            cscript.exe "c:\Users\Admin\AppData\Local\Temp\adobeacd-update.vbs"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1164
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy bypass -noprofile -file C:\Users\Admin\AppData\Local\Temp\adobeacd-update.ps1
              4⤵
              • Blocklisted process makes network request
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1712
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c c:\Users\Admin\AppData\Local\Temp\444.exe
                5⤵
                  PID:2020

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        System Information Discovery

        1
        T1082

        Remote System Discovery

        1
        T1018

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\adobeacd-update.ps1
          Filesize

          1KB

          MD5

          a5606d4e993f72fa68e41f0b3c4bdc3a

          SHA1

          3c8520de628b33b98a7d56f0d69246914ea52bb5

          SHA256

          39016def2e66910a436ce081f9cc40c1b08192052b4a93a435d6b9f998a9c03a

          SHA512

          c40f4c58c144afcce457124b262408e6956b16d285664f62966639a3f979a2ab67d73691f819f68841d3ff4390fd71e7e13e064fd844d58229b7a9815ae2242f

        • \??\c:\Users\Admin\AppData\Local\Temp\adobeacd-update.bat
          Filesize

          133B

          MD5

          5fb5e5941e8075702155a334a4d2d550

          SHA1

          8f509452a0eb033db1627fea9bf0e3f67c2c1c45

          SHA256

          f6d1ed9aaf131c3d6489e59acd62abd00bb53bb9c1a65ff4d441d8246e512f8f

          SHA512

          3e292405a4d666653eb594efffbb8011752229f814e889ed1bf7062f7e21ddee8a82538171f5ee8b8aeb58f5d3e9ed02f29f4612f66e5c84117de70b67c26390

        • \??\c:\Users\Admin\AppData\Local\Temp\adobeacd-update.vbs
          Filesize

          398B

          MD5

          f274f67c467b49b9d278ca3b4196b5d0

          SHA1

          8b80213e280bf2b40057a3b5269a540c387fd036

          SHA256

          79253c4e93bcc34576fa2f98a243241d00c7f38e91c1bebd4afc7ea41530fca1

          SHA512

          12daa3c73d16eaee755151dbc7907a4dcc8082e7896ba5333a62c4380a8e31c3b9a20b38d553abe14b491ad5ba107ccc74514548696f01daaae03b35f2b3d84b

        • memory/900-87-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-81-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-64-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-63-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-62-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-61-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-60-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-59-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-65-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-67-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-66-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-69-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-68-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-90-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-70-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-72-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-73-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-75-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-74-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-76-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-77-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-79-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-78-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-80-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-91-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-82-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-84-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-83-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-85-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-86-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-88-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-54-0x0000000072661000-0x0000000072664000-memory.dmp
          Filesize

          12KB

        • memory/900-125-0x00000000710CD000-0x00000000710D8000-memory.dmp
          Filesize

          44KB

        • memory/900-71-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-58-0x00000000710CD000-0x00000000710D8000-memory.dmp
          Filesize

          44KB

        • memory/900-92-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-93-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-124-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Filesize

          64KB

        • memory/900-55-0x00000000700E1000-0x00000000700E3000-memory.dmp
          Filesize

          8KB

        • memory/900-96-0x00000000710CD000-0x00000000710D8000-memory.dmp
          Filesize

          44KB

        • memory/900-89-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-98-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-99-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-104-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-103-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-102-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-101-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-100-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-57-0x00000000762D1000-0x00000000762D3000-memory.dmp
          Filesize

          8KB

        • memory/900-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Filesize

          64KB

        • memory/900-108-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-109-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-110-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-111-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-107-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-112-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/900-113-0x00000000004AE000-0x00000000004B2000-memory.dmp
          Filesize

          16KB

        • memory/1088-95-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp
          Filesize

          8KB

        • memory/1088-94-0x0000000000000000-mapping.dmp
        • memory/1164-115-0x0000000000000000-mapping.dmp
        • memory/1420-97-0x0000000000000000-mapping.dmp
        • memory/1712-118-0x0000000000000000-mapping.dmp
        • memory/1712-120-0x0000000004B80000-0x00000000050B6000-memory.dmp
          Filesize

          5.2MB

        • memory/1712-121-0x000000006A030000-0x000000006A5DB000-memory.dmp
          Filesize

          5.7MB

        • memory/1712-123-0x000000006A030000-0x000000006A5DB000-memory.dmp
          Filesize

          5.7MB

        • memory/1828-106-0x0000000000000000-mapping.dmp
        • memory/1836-114-0x0000000000000000-mapping.dmp
        • memory/2020-126-0x0000000000000000-mapping.dmp