Analysis

  • max time kernel
    149s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 14:21

General

  • Target

    db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22.exe

  • Size

    209KB

  • MD5

    0c8cdae0e49a91a4febfcce34f5e68b6

  • SHA1

    54b73015316b1f223c9df4ec992b1ec9e0fee939

  • SHA256

    db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

  • SHA512

    61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

  • SSDEEP

    3072:9mEOmgAseVHLj+77azdRDMigGOEcI2TwrC/crthxWepiHpYOk:9nAAseVHm7aznJJ/2eIJ

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22.exe
    "C:\Users\Admin\AppData\Local\Temp\db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1992 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22.exe" & start C:\Users\Admin\AppData\Local\sxyhtsw.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1992
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2024
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:1340
      • C:\Users\Admin\AppData\Local\sxyhtsw.exe
        C:\Users\Admin\AppData\Local\sxyhtsw.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1752

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\sxyhtsw.exe

          Filesize

          209KB

          MD5

          0c8cdae0e49a91a4febfcce34f5e68b6

          SHA1

          54b73015316b1f223c9df4ec992b1ec9e0fee939

          SHA256

          db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

          SHA512

          61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

        • C:\Users\Admin\AppData\Local\sxyhtsw.exe

          Filesize

          209KB

          MD5

          0c8cdae0e49a91a4febfcce34f5e68b6

          SHA1

          54b73015316b1f223c9df4ec992b1ec9e0fee939

          SHA256

          db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

          SHA512

          61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

        • \Users\Admin\AppData\Local\sxyhtsw.exe

          Filesize

          209KB

          MD5

          0c8cdae0e49a91a4febfcce34f5e68b6

          SHA1

          54b73015316b1f223c9df4ec992b1ec9e0fee939

          SHA256

          db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

          SHA512

          61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

        • \Users\Admin\AppData\Local\sxyhtsw.exe

          Filesize

          209KB

          MD5

          0c8cdae0e49a91a4febfcce34f5e68b6

          SHA1

          54b73015316b1f223c9df4ec992b1ec9e0fee939

          SHA256

          db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

          SHA512

          61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

        • \Users\Admin\AppData\Local\sxyhtsw.exe

          Filesize

          209KB

          MD5

          0c8cdae0e49a91a4febfcce34f5e68b6

          SHA1

          54b73015316b1f223c9df4ec992b1ec9e0fee939

          SHA256

          db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

          SHA512

          61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

        • \Users\Admin\AppData\Local\sxyhtsw.exe

          Filesize

          209KB

          MD5

          0c8cdae0e49a91a4febfcce34f5e68b6

          SHA1

          54b73015316b1f223c9df4ec992b1ec9e0fee939

          SHA256

          db91984c22f9e6bab9a8637f4b9231155b8dbef1024259da0de03b5274c87a22

          SHA512

          61f40e535086cebf600cd7e45b5ada8936a75734677a3af7f2bd60697f64076870793dfef2127e1a08a68b92d7609eb9ef0f8320f462cc59a15ca707d8cb585b

        • memory/1752-67-0x00000000004B0000-0x0000000000587000-memory.dmp

          Filesize

          860KB

        • memory/1752-68-0x0000000001000000-0x00000000010D7000-memory.dmp

          Filesize

          860KB

        • memory/1752-70-0x0000000002660000-0x0000000002670000-memory.dmp

          Filesize

          64KB

        • memory/1752-71-0x0000000001000000-0x00000000010D7000-memory.dmp

          Filesize

          860KB

        • memory/1992-57-0x0000000001000000-0x00000000010D7000-memory.dmp

          Filesize

          860KB

        • memory/1992-54-0x0000000076141000-0x0000000076143000-memory.dmp

          Filesize

          8KB

        • memory/1992-55-0x0000000001000000-0x00000000010D7000-memory.dmp

          Filesize

          860KB