Analysis

  • max time kernel
    147s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2023 16:34

General

  • Target

    file-53.doc

  • Size

    517.4MB

  • MD5

    a770acc2f0a4973b8165698e8d6a0078

  • SHA1

    0da83f428e4c72b83c2d4d81ab53c05a0ce7a650

  • SHA256

    2af3c588886869cd9aba0e4b6334feb17e54c4ec2915368654521560aea7ce77

  • SHA512

    3587fdcdd8d087d468331917c47db4b37614c4d49bfd6f4e56aaf845adf963652a12f28055a2607c3e1bf36345ea6ca086d262c6da98b78cb3288fa1cc21e75d

  • SSDEEP

    6144:NeWM86RZzwTFQR9jD77fyO0XwBh12DD2JfCFFyinWLqcRJ:EWnE8FQvTfx0XwBz4D0aFjM

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.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 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
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 23 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\file-53.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:912
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1884
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\173604.tmp"
        2⤵
        • Process spawned unexpected child process
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Users\Admin\AppData\Local\Temp\173604.tmp"
          3⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:772
          • C:\Windows\system32\regsvr32.exe
            C:\Windows\system32\regsvr32.exe "C:\Windows\system32\Edqdrtd\yGQKnokqF.dll"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1800

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\173604.tmp
      Filesize

      561KB

      MD5

      c901c8089c5e017f8e9b4b15c8ef154f

      SHA1

      336c2bea43bfa2e8afd27a164dba640f36c0013c

      SHA256

      fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

      SHA512

      9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

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

      20KB

      MD5

      07fc9af9ccc69d8222f4845881ec495e

      SHA1

      b09efdb037b4846540008caf79f56aa11dbb1c67

      SHA256

      e275710b70d4bfc4a68ec641e14615c7c7cd6c056d799b8db981bd6fd86ae007

      SHA512

      44b0f664eeaa3c4ad3e986ed6e9a55bf2941b6c8341c830b8e6124c0ce052aa5b3a4b681bcac5e74ec9c2253199e95e430a8758c314fe470f7eef52f120b6703

    • \Users\Admin\AppData\Local\Temp\173604.tmp
      Filesize

      561KB

      MD5

      c901c8089c5e017f8e9b4b15c8ef154f

      SHA1

      336c2bea43bfa2e8afd27a164dba640f36c0013c

      SHA256

      fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

      SHA512

      9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

    • \Users\Admin\AppData\Local\Temp\173604.tmp
      Filesize

      561KB

      MD5

      c901c8089c5e017f8e9b4b15c8ef154f

      SHA1

      336c2bea43bfa2e8afd27a164dba640f36c0013c

      SHA256

      fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

      SHA512

      9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

    • memory/772-1377-0x00000000000B0000-0x00000000000B1000-memory.dmp
      Filesize

      4KB

    • memory/912-85-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-64-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-60-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-61-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-62-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-58-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-87-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-65-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-66-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-67-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-63-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-69-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-70-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-71-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-72-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-68-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-74-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-75-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-76-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-77-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-73-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-79-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-80-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-81-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-82-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-83-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-86-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/912-84-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-59-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-78-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-89-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-90-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-88-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-92-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-93-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-94-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-95-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-96-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-91-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-98-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-99-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-100-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-101-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-97-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-103-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-104-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-105-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-106-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-102-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-108-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-109-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-110-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-111-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-107-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-113-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-114-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-112-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB

    • memory/912-115-0x0000000000790000-0x0000000000890000-memory.dmp
      Filesize

      1024KB