Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 07:08

General

  • Target

    中小学名单/2012农村小学.xls

  • Size

    182KB

  • MD5

    ccf770f2093cced383386b56564b0f8e

  • SHA1

    e38538e46f4fb1de705d8715c45d2cc7b1f652bb

  • SHA256

    7679e04cb643dd2981447a9aff08fabff0aa5da8e73befd11dfa6f1143d88a51

  • SHA512

    5cc78a13bdaf44972f2258b67b2175ffb2cf0c690f06cf8645266e77752c08c9ee35aa44f0965cf37cce0f99ec2ed109316a1f528f5876b05e7a1d3f5911e38c

  • SSDEEP

    3072:Dk67FJkxBRFryfLa9VbrzQ7wTk3aU0JtXwQuUyM:LaLoic

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

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

  • Deletes itself 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Views/modifies file attributes 1 TTPs 1 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\中小学名单\2012农村小学.xls
    1⤵
    • Deletes itself
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1688
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/548-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/548-1-0x000000007246D000-0x0000000072478000-memory.dmp

    Filesize

    44KB

  • memory/548-2-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-10-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-15-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-24-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-3-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-26-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-4-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-68-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-31-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-30-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-29-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-28-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-27-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-25-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-23-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-22-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-21-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-20-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-19-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-18-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-17-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-16-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-14-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-13-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-12-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-11-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-9-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-8-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-7-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-6-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-328-0x000000007246D000-0x0000000072478000-memory.dmp

    Filesize

    44KB

  • memory/548-329-0x00000000004A0000-0x00000000005A0000-memory.dmp

    Filesize

    1024KB

  • memory/548-333-0x000000007246D000-0x0000000072478000-memory.dmp

    Filesize

    44KB