Analysis

  • max time kernel
    187s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-06-2022 16:50

General

  • Target

    3208175e7d69432beeb4e69dad7aa9d343ced9942284cdf9a5f1c5df45093347.exe

  • Size

    399KB

  • MD5

    9feaf964c8cf229116b3439a7520bbed

  • SHA1

    0a606159afef156db4df1f6a2b79d933379b5198

  • SHA256

    3208175e7d69432beeb4e69dad7aa9d343ced9942284cdf9a5f1c5df45093347

  • SHA512

    7111a74efa2ec69381baf5d28e81f91dd172dc1478b976a1c0b0075ad1bc2785d8869f87cd3e2d172dae045710cffba30139beb263f8278e0e5b95f46264ec02

Score
10/10

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3208175e7d69432beeb4e69dad7aa9d343ced9942284cdf9a5f1c5df45093347.exe
    "C:\Users\Admin\AppData\Local\Temp\3208175e7d69432beeb4e69dad7aa9d343ced9942284cdf9a5f1c5df45093347.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\WinDir\Update.exe.lnk" /f
        3⤵
          PID:4716
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3932
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 804
          3⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:1756
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\WinDir\Update.exe.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3036
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 120
          3⤵
          • Delays execution with timeout.exe
          PID:4456
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:1084

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\WinDir\Update.exe.bat

        Filesize

        193B

        MD5

        3b6a56f303d5dd98b42084fac3feb0d1

        SHA1

        a8bdb37904ef6aa59608088f19ba98d38f494117

        SHA256

        ef83e0a4dfad7ba70badd2153861ba96bba3a09bcd26195c5534952ffda2e696

        SHA512

        66070b7139213da25bcf0945622802dad37a3eface1745c617bbbc6b3aca2b88d7ad8eb4b8ac20647805773f5fd9f71d4d49c2dc56566ed5a1e1d7e708d62c3c

      • C:\Users\Admin\AppData\Local\Temp\WinDir\Update.exe.jpg

        Filesize

        399KB

        MD5

        9feaf964c8cf229116b3439a7520bbed

        SHA1

        0a606159afef156db4df1f6a2b79d933379b5198

        SHA256

        3208175e7d69432beeb4e69dad7aa9d343ced9942284cdf9a5f1c5df45093347

        SHA512

        7111a74efa2ec69381baf5d28e81f91dd172dc1478b976a1c0b0075ad1bc2785d8869f87cd3e2d172dae045710cffba30139beb263f8278e0e5b95f46264ec02

      • C:\Users\Admin\AppData\Local\Temp\svhost.exe

        Filesize

        89KB

        MD5

        84c42d0f2c1ae761bef884638bc1eacd

        SHA1

        4353881e7f4e9c7610f4e0489183b55bb58bb574

        SHA256

        331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

        SHA512

        43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

      • C:\Users\Admin\AppData\Local\Temp\svhost.exe

        Filesize

        89KB

        MD5

        84c42d0f2c1ae761bef884638bc1eacd

        SHA1

        4353881e7f4e9c7610f4e0489183b55bb58bb574

        SHA256

        331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

        SHA512

        43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

      • C:\Users\Admin\AppData\Local\Temp\tmp.exe

        Filesize

        323KB

        MD5

        56a28a67e708d9f099528457384f456d

        SHA1

        a625be6fba78381e79da9912bbefce21e05031dd

        SHA256

        a7985fafa6b874057289e59eb8aff0633b10dc9c704a251efb605dadf7a5431d

        SHA512

        1c5a3e9efbd40a454d35dd1bb36db68e74290826f20c657dc705b4eb26b3f3c01520c67bc4233e0e1ddea991ad685ed77fd87e3683b41aa1b2a670a6b729e261

      • C:\Users\Admin\AppData\Local\Temp\tmp.exe

        Filesize

        323KB

        MD5

        56a28a67e708d9f099528457384f456d

        SHA1

        a625be6fba78381e79da9912bbefce21e05031dd

        SHA256

        a7985fafa6b874057289e59eb8aff0633b10dc9c704a251efb605dadf7a5431d

        SHA512

        1c5a3e9efbd40a454d35dd1bb36db68e74290826f20c657dc705b4eb26b3f3c01520c67bc4233e0e1ddea991ad685ed77fd87e3683b41aa1b2a670a6b729e261

      • memory/1756-144-0x0000000000000000-mapping.dmp

      • memory/2968-148-0x00000000752F0000-0x00000000758A1000-memory.dmp

        Filesize

        5.7MB

      • memory/2968-138-0x00000000752F0000-0x00000000758A1000-memory.dmp

        Filesize

        5.7MB

      • memory/2968-130-0x00000000752F0000-0x00000000758A1000-memory.dmp

        Filesize

        5.7MB

      • memory/2992-139-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2992-137-0x0000000000000000-mapping.dmp

      • memory/2992-152-0x00000000752F0000-0x00000000758A1000-memory.dmp

        Filesize

        5.7MB

      • memory/2992-142-0x00000000752F0000-0x00000000758A1000-memory.dmp

        Filesize

        5.7MB

      • memory/2992-145-0x00000000752F0000-0x00000000758A1000-memory.dmp

        Filesize

        5.7MB

      • memory/3036-143-0x0000000000000000-mapping.dmp

      • memory/3832-131-0x0000000000000000-mapping.dmp

      • memory/3932-149-0x0000000006590000-0x000000000662C000-memory.dmp

        Filesize

        624KB

      • memory/3932-150-0x0000000006BE0000-0x0000000007184000-memory.dmp

        Filesize

        5.6MB

      • memory/3932-151-0x0000000006810000-0x00000000068A2000-memory.dmp

        Filesize

        584KB

      • memory/3932-134-0x0000000000000000-mapping.dmp

      • memory/3932-153-0x0000000006B60000-0x0000000006BC6000-memory.dmp

        Filesize

        408KB

      • memory/3932-154-0x0000000007A40000-0x0000000007A4A000-memory.dmp

        Filesize

        40KB

      • memory/4456-147-0x0000000000000000-mapping.dmp

      • memory/4716-132-0x0000000000000000-mapping.dmp