Resubmissions

16-03-2023 22:20

230316-19dd4afc8x 8

16-03-2023 22:15

230316-16cndsda94 10

Analysis

  • max time kernel
    103s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    16-03-2023 22:20

General

  • Target

    Message_1703.doc

  • Size

    528.3MB

  • MD5

    21696610f8f508f7af28e598313bd273

  • SHA1

    c1d3571ffc479ba8dc92456decb486e6cd6ade2f

  • SHA256

    74f022ee118deffa2e5c967e87760fe3c8b405e01fd363e35fb371c5e3edb00b

  • SHA512

    4a79e7432e4c0dcdc5cd388204c27ceff6fe12ebe90c7ffceb9734713944cd1c53ecd5b721c41a14379c6f3489a35fd53e11d1d89f56246437eefa28c5d89e2d

  • SSDEEP

    6144:ip32/gDd0Nmt71wFmSWjfDrV8YQnZocbyrX4NqclWL9:ip32SEmtJwFmhjfPtrXqqyW

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
  • Script User-Agent 9 IoCs

    Uses user-agent string associated with script host/environment.

  • 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\Message_1703.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:2024
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:776

    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

      e9c9d2d832c4bfb14e0789cb681c0bea

      SHA1

      3a240762474a0a3b9c6677c399ff69c6ffcfcead

      SHA256

      9e4b67a18adadb0d80327555f28566acf4ffe3bac2ddeeee01511041b347ade1

      SHA512

      57f56dc375d7ce12d9801e73d51d10c4f57f1da0eec78d88dc5f74598fb8e6441b5e9f1004e0ed2f6f2595a9e4eba17fe39eedf89584aa1b7ae64020536096c7

    • memory/2024-100-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-88-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-82-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-101-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-84-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-103-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-87-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-102-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-89-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-85-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-90-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-91-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-92-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-93-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-95-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-96-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-97-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-94-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-99-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2024-83-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-81-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-86-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-98-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-104-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-105-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-106-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-107-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-108-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-110-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-111-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-112-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-113-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-109-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-114-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-115-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-116-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-117-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-140-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-152-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB

    • memory/2024-80-0x0000000000530000-0x0000000000630000-memory.dmp
      Filesize

      1024KB