Analysis

  • max time kernel
    80s
  • max time network
    81s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    17-12-2024 04:54

Errors

Reason
Machine shutdown

General

  • Target

    20AC0B78.msi

  • Size

    1.4MB

  • MD5

    9c84926dac4e5e7037747c49f58f1724

  • SHA1

    f5695587523152a08eab8f5d11c7ab3251b107d1

  • SHA256

    ee013d9ff7050f96c3ff91d49e90bb60f3a2fb4d41efd918e6cb8aac6cf94e47

  • SHA512

    6b476538935d69362089d8505203dadca4330ba112252870ab5be529ed8b40cca3beff7d27a4e59587b20dd33ff19cd177a1945a7158758d3630578c75b8f17a

  • SSDEEP

    24576:eruDXXh3j04BMeRocDP1Nxyq7KDOJjkDOk4TB4McL8dfbfr7KCN5nQ6BAMVUTH:e+Xx4i5ooIq7iOJwyZeL8dfv7jN5nQ6I

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 14 IoCs
  • Loads dropped DLL 5 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 36 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Modifies data under HKEY_USERS 27 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\20AC0B78.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5116
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7364D31EE412D255796CBB597CE3735C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4560
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D8F8DF6911DB9BBD462595BBE54A0994 E Global\MSI0000
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:344
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" interface ipv6 install
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3812
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add policy name=qianye
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4156
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filterlist name=Filter1
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4116
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3424
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4892
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3604
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1296
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2712
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2440
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filteraction name=FilteraAtion1 action=block
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4056
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static add rule name=Rule1 policy=qianye filterlist=Filter1 filteraction=FilteraAtion1
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2116
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" ipsec static set policy name=qianye assign=y
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1056
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3a1d055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e579482.rbs

    Filesize

    2KB

    MD5

    7117f1ce29d10385ba06fd8413b33c10

    SHA1

    a5a7e528738b324e30ffcde268112336ba6f5b1a

    SHA256

    e899fedd431a97b779d3487894f61edd07deda3f884a8de187927a1ad2de98ae

    SHA512

    b8ae327b20ed064bdbc365f00cbdac68d0afb3c7e2d17610b46396fad0aa2abd462602d460ed5e8b5b6e729bc3a494d12c345176ee7d5d5584782896a9234b42

  • C:\Windows\Installer\MSI94FC.tmp

    Filesize

    141KB

    MD5

    4ba8ef50ce73395ad623c770c10e35a7

    SHA1

    63600584c296c0cbe1775a759c34ab384e1bbf76

    SHA256

    6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

    SHA512

    0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

  • C:\Windows\Installer\MSI9722.tmp

    Filesize

    118KB

    MD5

    4b49c57cbefa1d2773da1f95338e294d

    SHA1

    108ea90d8a42cf31f7d8d7710b5fd713ca048ef9

    SHA256

    68c66657b569cad9cc6e1f5adf0795b5df444ec9945c0d86c62c5abc8aaddc08

    SHA512

    42c61f24196c2682343309cbcdcea185a4100603c649e053c11e2efadef8983c411ef4c61ca71025460baf3d4155157242b2f4ce02a88b6ca2d1922651036165

  • memory/4560-6-0x0000000075050000-0x00000000750B5000-memory.dmp

    Filesize

    404KB

  • memory/4560-15-0x0000000075050000-0x00000000750B5000-memory.dmp

    Filesize

    404KB

  • memory/4560-20-0x0000000075070000-0x00000000750C0000-memory.dmp

    Filesize

    320KB