Resubmissions

30-09-2024 09:01

240930-ky1ggs1dmh 10

30-09-2024 08:44

240930-km6t5azhjh 8

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 08:44

General

  • Target

    Ref227982472 3611316041 有害物情報.Xlsx.exe

  • Size

    644KB

  • MD5

    2055e529b8767f5ebaee9afcefd16d91

  • SHA1

    521d53678fbba3951f19dd2cfed6e4b0d5ef8914

  • SHA256

    550aeabbe62d5a14363bac014c16acb456fd2d92ea227d5762a85a51466e3404

  • SHA512

    e98333277ff85e147feb5efea6f0376bfbb2cd9bfa361337fdc40c5c211c626b8e7728326d40158e423b33f31eec0cdde3314dee8c19aa82042c747e6aaf01a3

  • SSDEEP

    12288:gUxKiiSUMD8mBsdNnyVyPziLeSAkJuf3TBtN:gUxchMAfdgVUziqSAmud3

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ref227982472 3611316041 有害物情報.Xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\Ref227982472 3611316041 有害物情報.Xlsx.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ref227982472 3611316041 有害物情報.Xlsx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sCWlgOWYFciIYD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2752
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sCWlgOWYFciIYD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp952E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1076
      2⤵
      • Program crash
      PID:376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp952E.tmp

    Filesize

    1KB

    MD5

    e24202c7e098e6de396f48270716cf1e

    SHA1

    46ea448da2001b5b3dcb5fd271a85d0b4888a543

    SHA256

    f8f663c3b61928a13632114e8e06902365f83458efa436f8d00791d3deb53cb9

    SHA512

    a9091b484302b9ef7b7b2fe2fc3d2db7fda823fd28dd555f9e8bce1b00fb00667d019e0081e5d666a0a793ccc45e5937112246d3e8ca5fa27abba2be8746a6d3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    72d34a39989eb47c3e7b160b83c14669

    SHA1

    7ad86e27b6e6c59d769b659abccb614e5e45ec73

    SHA256

    a8655d06f11d4a7a4db291f599a1089cdd17c280788fead3bee77336036c97dc

    SHA512

    5555b3ca323dcce5d0559ff6f927c2a192145b43c02dece5894d655e7598a87eee0d105b4cd006eb08a161d49ba7b5e41175942137ae79230b7335ece47dc32c

  • memory/2160-0-0x000000007419E000-0x000000007419F000-memory.dmp

    Filesize

    4KB

  • memory/2160-1-0x00000000013A0000-0x0000000001446000-memory.dmp

    Filesize

    664KB

  • memory/2160-2-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-3-0x0000000001050000-0x000000000106E000-memory.dmp

    Filesize

    120KB

  • memory/2160-4-0x000000007419E000-0x000000007419F000-memory.dmp

    Filesize

    4KB

  • memory/2160-5-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-6-0x00000000004C0000-0x0000000000528000-memory.dmp

    Filesize

    416KB

  • memory/2160-19-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB