Analysis

  • max time kernel
    29s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    09-03-2023 20:02

General

  • Target

    FM_5191271_E4_9600_2023_02.xls

  • Size

    59KB

  • MD5

    421bc13db81b43990a4d87196dc6e24d

  • SHA1

    804d731350b62d526882a1a428522060ae12f2dc

  • SHA256

    c60671669c58d29c067cfba701d5b6e3546245d45c64336ee76de89811ba0333

  • SHA512

    8dd89c3303cd19f845f9947b1077ea4d6fcffc58328488b9c9dd1ed31bf863f2ee9bdf992c4eb8f5bd7e99803d375c0969e362c37c29956ef9ff19972c58be09

  • SSDEEP

    1536:iDlYkEIbSkKBEqEXPgsRZmbaoFhZhR0cixIHm0OMRBM2whuBPYYgJ8BG5/d:iDlYkEIuPm3fNRZmbaoFhZhR0cixIHmt

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 5 IoCs
  • Suspicious use of WriteProcessMemory 14 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\FM_5191271_E4_9600_2023_02.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:1396
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\Documents\385018910.cvs,#0 InetCpl.cpl,ClearMyTracksByProcess 255
      2⤵
      • Process spawned unexpected child process
      PID:1648
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\Documents\291100862.cvs,#0 InetCpl.cpl,ClearMyTracksByProcess 255
      2⤵
      • Process spawned unexpected child process
      PID:844

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

  • C:\Users\Admin\Documents\291100862.cvs
    Filesize

    4KB

    MD5

    d7349204554f1e8ffe7ad6219e863972

    SHA1

    561f778cec7aec14b203949ec84243cb47494693

    SHA256

    e4d1318baabd1316a645ed86cd0cfb4320a1ba5b60cffe91381ed6f1f6ba9741

    SHA512

    70bf05d004600d968eca1a7c12dc111e53cdcede23cff52dbdccb98eb54dc68dc80be7b8d9b68295ee63f3274f7ac98b73be1b383d44ecf0c62e4ace339a51d0

  • C:\Users\Admin\Documents\385018910.cvs
    Filesize

    4KB

    MD5

    d7349204554f1e8ffe7ad6219e863972

    SHA1

    561f778cec7aec14b203949ec84243cb47494693

    SHA256

    e4d1318baabd1316a645ed86cd0cfb4320a1ba5b60cffe91381ed6f1f6ba9741

    SHA512

    70bf05d004600d968eca1a7c12dc111e53cdcede23cff52dbdccb98eb54dc68dc80be7b8d9b68295ee63f3274f7ac98b73be1b383d44ecf0c62e4ace339a51d0

  • memory/1396-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1396-72-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB