Analysis

  • max time kernel
    243s
  • max time network
    350s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 17:16

General

  • Target

    ~ar6759.xls

  • Size

    107KB

  • MD5

    ae89cf6ba9007c82060c00e004ca8a1e

  • SHA1

    c25329af0c5edd0260744a89f25c36ae336c5792

  • SHA256

    2609fc43379c7572ab4b9e15ca5b8408c42b071caceb6e45384b85b30df60979

  • SHA512

    5c4fcfeaaca3dc6195c913cce1aa8ee9c394cfd11e4ccab373bd7b83c6bb70f84f78af10bf01525810a382baf118424b2404f7b5ef7717fb7b3901f19cd3e8ab

  • SSDEEP

    3072:8i9QUDGYwk/u1Q5y21afgjs8KA6bLhmvjKESzz6u/lmpYj:8i9QUDGYwk/u1Q5y21afgjs8KA6bLhmq

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 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\~ar6759.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\\SysWOW64\\rundll32.exe
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      PID:1188

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/572-54-0x000000002FB21000-0x000000002FB24000-memory.dmp
    Filesize

    12KB

  • memory/572-55-0x00000000719D1000-0x00000000719D3000-memory.dmp
    Filesize

    8KB

  • memory/572-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/572-57-0x0000000075C11000-0x0000000075C13000-memory.dmp
    Filesize

    8KB

  • memory/572-58-0x00000000729BD000-0x00000000729C8000-memory.dmp
    Filesize

    44KB

  • memory/572-59-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-60-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-61-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-62-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-65-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-66-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-68-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-67-0x00000000007D9000-0x00000000007DD000-memory.dmp
    Filesize

    16KB

  • memory/572-1756-0x00000000729BD000-0x00000000729C8000-memory.dmp
    Filesize

    44KB

  • memory/1188-85-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-99-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-81-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-83-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-71-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-87-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-89-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-91-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-93-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-95-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-97-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-73-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-101-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-103-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-105-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-107-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-109-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-111-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-117-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-115-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-113-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB

  • memory/1188-1755-0x0000000000000000-mapping.dmp
  • memory/1188-69-0x00000000000D0000-0x00000000000D1000-memory.dmp
    Filesize

    4KB