Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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.

  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

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

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\中小学名单\2012农村小学.xls"
    1⤵
    • Deletes itself
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\system32\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
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\Windows\system32\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:4676
    • C:\Windows\system32\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
      PID:4904
    • C:\Windows\system32\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
      PID:1084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\中小学名单\2012农村小学.xls

    Filesize

    202KB

    MD5

    57442ee5abb39ae3818f0f0be68b1721

    SHA1

    df2fdb7c8c6d0a03deb8de47f294951afa65239c

    SHA256

    c7de711d96ac04cd6cfa5b46d1446bd888ec3183b480dfdf3ef760574f8cd542

    SHA512

    a74287cf337daeba669bce90bbc688517c6d207fdbfc681cb059888bba09e6627a7e12f2fac90e4ef0bd44615c299256cc1e80e6da3cd1650daef4da1a84e284

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    1KB

    MD5

    dce6f39a608cf765cd99bd6f415edeaa

    SHA1

    a4a3d7a5ca51bf6af940b437c305e2fb3ca9be9d

    SHA256

    3f204ec664a15f5b574be4ac8d3819ba6ff3eee4174a300dbf1f8b927238c610

    SHA512

    a6b3ed7473b2eb352eb72059e3a016e31a6c0d0ded7d6f60363de10f544251c6026fbb7647bb7492c9df7acfa1a3813473470d05e2d9325d239115087a2c9849

  • memory/2676-16-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-137-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-4-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-39-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-6-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-7-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-8-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-10-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-12-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-11-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-13-0x00007FFF044C0000-0x00007FFF044D0000-memory.dmp

    Filesize

    64KB

  • memory/2676-9-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-15-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-17-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-18-0x00007FFF044C0000-0x00007FFF044D0000-memory.dmp

    Filesize

    64KB

  • memory/2676-19-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-0-0x00007FFF4676D000-0x00007FFF4676E000-memory.dmp

    Filesize

    4KB

  • memory/2676-14-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-5-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-2-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-50-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-48-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-47-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-36-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-3-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-100-0x00007FFF4676D000-0x00007FFF4676E000-memory.dmp

    Filesize

    4KB

  • memory/2676-101-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-107-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-108-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-109-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-113-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-1-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-136-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-135-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-138-0x00007FFF06750000-0x00007FFF06760000-memory.dmp

    Filesize

    64KB

  • memory/2676-49-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2676-139-0x00007FFF466D0000-0x00007FFF468C5000-memory.dmp

    Filesize

    2.0MB