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Analysis

  • max time kernel
    4294211s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    30/03/2022, 06:26

General

  • Target

    90511ce75929d342264cf901297e8a60.xls

  • Size

    106KB

  • MD5

    90511ce75929d342264cf901297e8a60

  • SHA1

    602852d435f55e932f147f765384510d4be9dec0

  • SHA256

    7597defb4baf2b0e2bac5b71f4f2cce4b215b9269a11b07be5dd44e5a750956d

  • SHA512

    81011f61d80c5301bedcf5ab92da8730bcbe44cc7878ac18912c848a27553b2a9f5a2ea7567e7cd4b4bcda4b0c901d07a5ef8f84d1080da1e1aff70543a4d971

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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 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\90511ce75929d342264cf901297e8a60.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:1628
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll
      2⤵
      • Process spawned unexpected child process
      PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hdrh.dll

    Filesize

    75KB

    MD5

    2edd241b170734d76f862ea51ae01095

    SHA1

    677789bff29e97231244f49fa5b8415e019d2519

    SHA256

    4d39339c9625c69e5f00eabf12afe33a75c261c4778d5a42d1183870455fd7fd

    SHA512

    6e8eeec7f40a9b933107c2636be0d00eb33f250ab6f2d277d4ea333df6b277f81f52ac7bd30613c62e189cc862e8ff887dc43c283c690be4b2a59c67843c1f22

  • memory/1628-54-0x000000002FE91000-0x000000002FE94000-memory.dmp

    Filesize

    12KB

  • memory/1628-55-0x0000000071051000-0x0000000071053000-memory.dmp

    Filesize

    8KB

  • memory/1628-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1628-57-0x000000007203D000-0x0000000072048000-memory.dmp

    Filesize

    44KB

  • memory/2000-59-0x0000000074CC1000-0x0000000074CC3000-memory.dmp

    Filesize

    8KB