Analysis

  • max time kernel
    104s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2023 18:51

General

  • Target

    b6748e63c66c4dadff044129ac5224722b527969c4afa8572a35b29b0a28d15e.docm

  • Size

    1.3MB

  • MD5

    0d30c944f3a25dd5a3d3300dce762a4c

  • SHA1

    039278d36e0e2e0e37287bcba10ab0ce194ebe74

  • SHA256

    b6748e63c66c4dadff044129ac5224722b527969c4afa8572a35b29b0a28d15e

  • SHA512

    3d007dc0cbec5d2947248abf5b07c00b4a6be7687ade14dd1f4adcf4151e46f2f8099f598dca11cb160a7229e4264ca975dd3375ad6f016f157dc85801575a17

  • SSDEEP

    24576:/xpJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRD8G7EzqHm+Bmcq:/xpJmgf3zliFpp/KqG+K

Score
10/10

Malware Config

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 2 IoCs
  • Loads dropped DLL 4 IoCs
  • 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 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\b6748e63c66c4dadff044129ac5224722b527969c4afa8572a35b29b0a28d15e.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:832
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:892
    • C:\Windows\system32\rundll32.exe
      rundll32 C:\ProgramData\KBDA8.DLL,init
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1132

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KBDA8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBDA8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBDA8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBDA8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBDA8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • memory/832-84-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-69-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/832-57-0x00000000719CD000-0x00000000719D8000-memory.dmp
      Filesize

      44KB

    • memory/832-58-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
      Filesize

      8KB

    • memory/832-59-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-60-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-61-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-63-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-62-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-65-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-64-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-68-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-89-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-67-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-66-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-70-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-71-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-72-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-75-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-76-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-74-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-73-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-77-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-90-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-80-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-79-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-82-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-81-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-85-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-86-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-54-0x0000000072F61000-0x0000000072F64000-memory.dmp
      Filesize

      12KB

    • memory/832-91-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-55-0x00000000709E1000-0x00000000709E3000-memory.dmp
      Filesize

      8KB

    • memory/832-78-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-88-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-87-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-93-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-94-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-92-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-83-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-97-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-98-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-96-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-95-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-101-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-102-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-100-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-99-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-105-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-106-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-104-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-103-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-108-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-107-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-111-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-112-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-110-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-109-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-116-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-115-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-114-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-113-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-118-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-117-0x0000000000375000-0x0000000000379000-memory.dmp
      Filesize

      16KB

    • memory/832-194-0x00000000719CD000-0x00000000719D8000-memory.dmp
      Filesize

      44KB

    • memory/832-192-0x00000000719CD000-0x00000000719D8000-memory.dmp
      Filesize

      44KB

    • memory/892-190-0x0000000000000000-mapping.dmp