Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 01:43

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 12 IoCs
  • Loads dropped DLL 4 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 31 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 62 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 behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2292
  • 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:1864
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C78EDDA4CEAA38F312290FFC5FC1B24D
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2112
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 89A8CFA381A7C8152724B65259467119 M Global\MSI0000
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1860
      • 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
        • Modifies data under HKEY_USERS
        PID:2192
      • 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
        • Modifies data under HKEY_USERS
        PID:2776
      • 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
        • Modifies data under HKEY_USERS
        PID:2732
      • 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
        • Modifies data under HKEY_USERS
        PID:2384
      • 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
        • Modifies data under HKEY_USERS
        PID:1516
      • 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
        • Modifies data under HKEY_USERS
        PID:2556
      • 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
        • Modifies data under HKEY_USERS
        PID:2332
      • 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
        • Modifies data under HKEY_USERS
        PID:2560
      • 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
        • Modifies data under HKEY_USERS
        PID:320
      • 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
        • Modifies data under HKEY_USERS
        PID:2768
      • 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
        • Modifies data under HKEY_USERS
        PID:2568
      • 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
        • Modifies data under HKEY_USERS
        PID:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76a097.rbs

    Filesize

    2KB

    MD5

    9e34995f7d203be59691e274367a1cfc

    SHA1

    bd58caaf44be134277c671a412778865cb6325b7

    SHA256

    26f66d613931453587cedbbc2ed0eef87432c462cfa6b621d180e0e4f91b3d2d

    SHA512

    704f3781acc7a9a8a4a2b7ae381caa20806e272a9aadfed132e623bc014a8cf80671e6da2f90ed2e10175143fbe116cba25cd0d6dfad5fed34975efb68f6dfc4

  • C:\Windows\Installer\MSIA0D1.tmp

    Filesize

    141KB

    MD5

    4ba8ef50ce73395ad623c770c10e35a7

    SHA1

    63600584c296c0cbe1775a759c34ab384e1bbf76

    SHA256

    6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

    SHA512

    0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

  • C:\Windows\Installer\MSIA1AE.tmp

    Filesize

    118KB

    MD5

    4b49c57cbefa1d2773da1f95338e294d

    SHA1

    108ea90d8a42cf31f7d8d7710b5fd713ca048ef9

    SHA256

    68c66657b569cad9cc6e1f5adf0795b5df444ec9945c0d86c62c5abc8aaddc08

    SHA512

    42c61f24196c2682343309cbcdcea185a4100603c649e053c11e2efadef8983c411ef4c61ca71025460baf3d4155157242b2f4ce02a88b6ca2d1922651036165

  • memory/2112-5-0x0000000074C70000-0x0000000074CD5000-memory.dmp

    Filesize

    404KB

  • memory/2112-10-0x0000000074C70000-0x0000000074CD5000-memory.dmp

    Filesize

    404KB

  • memory/2112-15-0x0000000074C90000-0x0000000074CE0000-memory.dmp

    Filesize

    320KB

  • memory/2112-20-0x0000000074C70000-0x0000000074CD5000-memory.dmp

    Filesize

    404KB