Analysis

  • max time kernel
    137s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 04:47

General

  • Target

    c86f10da91d8c7ca51ce19e95437f066dc08ea6ad4bb627293f50e56cf540761.exe

  • Size

    5.9MB

  • MD5

    b496f67e5fde2a8ff0161220189429fd

  • SHA1

    fd0ab91263d67c0b575f87a7f831b4979463587c

  • SHA256

    c86f10da91d8c7ca51ce19e95437f066dc08ea6ad4bb627293f50e56cf540761

  • SHA512

    6672453b65b431073a9a3a186d635c52ba256c9765698531a5d48a0c31f9d3cf1f15fcb4a8aa70f8a6eaddf0dcc993ea35f633b41c01285a01e03a329947452b

  • SSDEEP

    98304:YIRfT0z1nTKpRNxtg7uSM2bKQch4dUSwCtlCOH0yEjurRKHW8C4FXSqg6RK9E:YIRfoz1nT2Nxtg7uSM2uZOPlpUbaUHV5

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c86f10da91d8c7ca51ce19e95437f066dc08ea6ad4bb627293f50e56cf540761.exe
    "C:\Users\Admin\AppData\Local\Temp\c86f10da91d8c7ca51ce19e95437f066dc08ea6ad4bb627293f50e56cf540761.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv -install
      2⤵
      • Loads dropped DLL
      PID:1360
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
      2⤵
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:1756

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \??\c:\Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Program Files (x86)\TrustMix\TrustMix.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • \Users\Admin\AppData\Local\Temp\tf00294823.dll

          Filesize

          3.8MB

          MD5

          e1fb81ec5dff6520c6118c9b5f3764a0

          SHA1

          a16e98add5cc6645b68959c4d0171b768573e33a

          SHA256

          892f96f6ed894aeeb57197800ece5400c9a03ebade758306da8f0e4ccb2b6000

          SHA512

          26b418fbd7c3a283b25e8dc88076a72dbcb8bbcf2a993cf50a099942ca710bd6fc5ed49642a9033d8b9ce5df29304d87a10ecfdf09dcfc14cfc16d6f57234621

        • memory/1360-73-0x000000007EC60000-0x000000007EFA6000-memory.dmp

          Filesize

          3.3MB

        • memory/1756-84-0x000000007EC60000-0x000000007EFA6000-memory.dmp

          Filesize

          3.3MB

        • memory/1976-61-0x000000007E640000-0x000000007E986000-memory.dmp

          Filesize

          3.3MB

        • memory/1976-54-0x000000007EAD0000-0x000000007EFA3000-memory.dmp

          Filesize

          4.8MB

        • memory/1976-59-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

          Filesize

          8KB