Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/11/2024, 03:48

General

  • Target
    VideoCodeCX.exe
  • Size 2.0MB
  • Sample241122-ecwzaazmbr
  • SHA256 22b1af46ce7b3db0ec037026e035b0b09a6c791e5fb5fcb5e6ee3ef8d276abe1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Loads dropped DLL 15 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VideoCodeCX.exe
    "C:\Users\Admin\AppData\Local\Temp\VideoCodeCX.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Video CodeC X\Video CodeC X 2.0.0.0\install\F1CBFAF\Video CodeC X.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\VideoCodeCX.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /exelang 0 /noprereqs "
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2060
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Modifies WinLogon for persistence
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7DF1D9D089BAE9E90FF55E188EAD29A3
      2⤵
      • Loads dropped DLL
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      PID:2736
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 565343633CA1C003CF865C20B7F47151 M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:832

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        f768d55.rbs

        • Path C:\Config.Msi\f768d55.rbs
        • Size 106KB
        • SHA256 3a99977052a44bd16480b75dff3956cb105d65f0f4026f45496d1cb189ad6647
        • MD5 SHA1 SHA512 SSDEEP

        tracking.ini

        • Path C:\Users\Admin\AppData\Local\Temp\AdvinstAnalytics\Video CodeC X\2.0.0.0\tracking.ini
        • Size 84B
        • SHA256 c8a22e088b227d2d01ad24ebb42f7653279dcad1a3c59d86e337da869ebb52c7
        • MD5 SHA1 SHA512

        tracking.ini

        • Path C:\Users\Admin\AppData\Local\Temp\AdvinstAnalytics\Video CodeC X\2.0.0.0\tracking.ini
        • Size 84B
        • SHA256 83e46c77e4166057889ced1c0571266adf19e609c5c0f44a1a062193bb1675f7
        • MD5 SHA1 SHA512

        {B429C546-F220-408A-957B-8A0EED0319CF}.session

        • Path C:\Users\Admin\AppData\Local\Temp\AdvinstAnalytics\Video CodeC X\2.0.0.0\{B429C546-F220-408A-957B-8A0EED0319CF}.session
        • Size 4KB
        • SHA256 39ca4c1e57c0f1234e26516397fe96e9303524cde92f3e7411eb06953575632c
        • MD5 SHA1 SHA512 SSDEEP

        Video CodeC X.msi

        • Path C:\Users\Admin\AppData\Roaming\Video CodeC X\Video CodeC X 2.0.0.0\install\F1CBFAF\Video CodeC X.msi
        • Size 1.1MB
        • SHA256 f32c666abd8d50bce93391840de7c8d9969b75d42aea3bee61d68be411e3ffe3
        • MD5 SHA1 SHA512 SSDEEP

        bsoderror.exe

        • Path C:\Users\Admin\AppData\Roaming\Video CodeC X\Video CodeC X 2.0.0.0\install\F1CBFAF\bsoderror.exe
        • Size 84KB
        • SHA256 3b5d9aadfdb9c1257ef84e33cdad67cd818334ec8fd40e0968b8b71e2a0eef95
        • MD5 SHA1 SHA512 SSDEEP

        MSI8E3B.tmp

        • Path C:\Windows\Installer\MSI8E3B.tmp
        • Size 180KB
        • SHA256 a0367875b68b1699d2647a748278ebce64d5be633598580977aa126a81cf57c5
        • MD5 SHA1 SHA512 SSDEEP

        MSI8F66.tmp

        • Path C:\Windows\Installer\MSI8F66.tmp
        • Size 88KB
        • SHA256 252b7423b01ff81aea6fe7b40de91abf49f515e9c0c7b95aa982756889f8ac1a
        • MD5 SHA1 SHA512 SSDEEP

        MSI9258.tmp

        • Path C:\Windows\Installer\MSI9258.tmp
        • Size 96KB
        • SHA256 604e79fe970c5ed044517a9a35e4690ea6f7d959d21173ebef45cdd3d3a22bdd
        • MD5 SHA1 SHA512 SSDEEP

        MSI9278.tmp

        • Path C:\Windows\Installer\MSI9278.tmp
        • Size 128KB
        • SHA256 59ff5bc12b155cc2e666bd8bc34195c3750eb742542374fc5e53fb22d11e862f
        • MD5 SHA1 SHA512 SSDEEP

        MSI9298.tmp

        • Path C:\Windows\Installer\MSI9298.tmp
        • Size 312KB
        • SHA256 9c155d4214cebda186647c035ada552963dcac8f88a6b38a23ea34f9ecd1d437
        • MD5 SHA1 SHA512 SSDEEP

        decoder.dll

        • Path \Users\Admin\AppData\Roaming\Video CodeC X\Video CodeC X 2.0.0.0\install\decoder.dll
        • Size 126KB
        • SHA256 76133e832c15aa5cbc49fb3ba09e0b8dd467c307688be2c9e85e79d3bf62c089
        • MD5 SHA1 SHA512 SSDEEP