Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2024 13:59

General

  • Target

    $PLUGINSDIR/license_Claro_OU_2.rtf

  • Size

    32KB

  • MD5

    7b5d720492bf145241e95b563d4f3341

  • SHA1

    693b1d6a56b6b24bcedddda60c4612ac7ea1a6d1

  • SHA256

    87ddcd8980f04ba867b4c0af427ccba822412f1fad5ea8718f947e9de5950d6c

  • SHA512

    91df22c42143c47b7f53cc56efc4aed4492ff2753213a91f95e042a0e504cfea365141f1416588a65d93a92adaa92eccc0ce789d63620a54b4380e29e8d03a7f

  • SSDEEP

    384:VNXtDNVb7PzybdKkjEGGYgUQxirFyh27i6rGsNAYAXJqskGC:VNX6EGqnyhAZqCC

Score
4/10

Malware Config

Signatures

  • 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\$PLUGINSDIR\license_Claro_OU_2.rtf"
    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:2940
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2572

    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

      38a3c87a9ff61ac30ff774ec32180b59

      SHA1

      a992721f7f6c1001d0f2ee61a07dc6e5c233c980

      SHA256

      e490488466d7cdae4bf5a44ec0a6067bf8198e09be8cd6447918bb29973216a8

      SHA512

      832337d54021275fde4a576a943794bf7984f3209ef601a3dfd148a9762e016d1a0efcb5860f8bb00d0077d79340498d3bc1f8d1457385e83d477484071ce006

    • memory/2940-0-0x000000002F7E1000-0x000000002F7E2000-memory.dmp

      Filesize

      4KB

    • memory/2940-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2940-2-0x000000007112D000-0x0000000071138000-memory.dmp

      Filesize

      44KB

    • memory/2940-11-0x000000007112D000-0x0000000071138000-memory.dmp

      Filesize

      44KB

    • memory/2940-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB