Analysis

  • max time kernel
    162s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 02:12

General

  • Target

    550f9765ec1f54c7bb6841c4cb6f6ed0d7c6cd7898d7a2bc83362d7e3335349b.exe

  • Size

    536KB

  • MD5

    2ce85454b5510213632ea6e62301018b

  • SHA1

    e2e59047d530c0cea71b3609245e635f8f9823e5

  • SHA256

    550f9765ec1f54c7bb6841c4cb6f6ed0d7c6cd7898d7a2bc83362d7e3335349b

  • SHA512

    dfaa09683348ad553ea6b3f8cf7a20ff3fa6094b088cc17b6237e291c861323866d988541d4363e832ecc5231a83c4802304929c4b38d78fd9429c08dbcbec61

  • SSDEEP

    12288:gOreCbJ6z1GZnCbPLwY5ZhUXy4Okx2LIa:8CKTYrOkx2LF

Score
8/10
upx

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Users\Admin\AppData\Local\Temp\550f9765ec1f54c7bb6841c4cb6f6ed0d7c6cd7898d7a2bc83362d7e3335349b.exe
        "C:\Users\Admin\AppData\Local\Temp\550f9765ec1f54c7bb6841c4cb6f6ed0d7c6cd7898d7a2bc83362d7e3335349b.exe"
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5056
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\550f9765ec1f54c7bb6841c4cb6f6ed0d7c6cd7898d7a2bc83362d7e3335349b.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4764
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:4716
      • C:\Windows\Fonts\cleanmgr.exe
        "C:\Windows\Fonts\cleanmgr.exe"
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Fonts\cleanmgr.exe

      Filesize

      292KB

      MD5

      cd0d99ebe88d11f55136eae39ccf8f6e

      SHA1

      d0782098cbf41490ea1e54db5d21a679f332a113

      SHA256

      acd2cbfb4c9fb8fe20c21a7ec99445d1426cee90ff3091115eb4c9484b69ea9d

      SHA512

      376f8f078b2922ba7400c265dce243bc561560fbdf7d36c7e2b497d1ccb523d540c650baade4b15c4d061dc41634349a5e5d0ecd3305c44e790dc9df3f4289bb

    • memory/616-26-0x00000273091D0000-0x00000273091D3000-memory.dmp

      Filesize

      12KB

    • memory/616-57-0x00000273091E0000-0x0000027309208000-memory.dmp

      Filesize

      160KB

    • memory/616-56-0x0000027309220000-0x0000027309221000-memory.dmp

      Filesize

      4KB

    • memory/616-30-0x00000273091E0000-0x0000027309208000-memory.dmp

      Filesize

      160KB

    • memory/616-28-0x0000027309220000-0x0000027309221000-memory.dmp

      Filesize

      4KB

    • memory/788-68-0x0000029AF1870000-0x0000029AF1871000-memory.dmp

      Filesize

      4KB

    • memory/788-85-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-96-0x0000029AF1660000-0x0000029AF1661000-memory.dmp

      Filesize

      4KB

    • memory/788-95-0x0000029AF1660000-0x0000029AF1661000-memory.dmp

      Filesize

      4KB

    • memory/788-22-0x0000029AF0F80000-0x0000029AF104B000-memory.dmp

      Filesize

      812KB

    • memory/788-23-0x0000029AEF560000-0x0000029AEF561000-memory.dmp

      Filesize

      4KB

    • memory/788-24-0x00007FFA44D10000-0x00007FFA44D20000-memory.dmp

      Filesize

      64KB

    • memory/788-94-0x0000029AF1660000-0x0000029AF1661000-memory.dmp

      Filesize

      4KB

    • memory/788-93-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-29-0x0000029AF0F80000-0x0000029AF104B000-memory.dmp

      Filesize

      812KB

    • memory/788-92-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-43-0x0000029AEF560000-0x0000029AEF561000-memory.dmp

      Filesize

      4KB

    • memory/788-90-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-91-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-88-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-89-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-87-0x0000029AF1870000-0x0000029AF1872000-memory.dmp

      Filesize

      8KB

    • memory/788-86-0x0000029AF1880000-0x0000029AF1920000-memory.dmp

      Filesize

      640KB

    • memory/788-84-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-67-0x00007FFA44D10000-0x00007FFA44D20000-memory.dmp

      Filesize

      64KB

    • memory/788-20-0x0000029AF0F80000-0x0000029AF104B000-memory.dmp

      Filesize

      812KB

    • memory/788-69-0x0000029AF1890000-0x0000029AF1891000-memory.dmp

      Filesize

      4KB

    • memory/788-70-0x0000029AF1880000-0x0000029AF1881000-memory.dmp

      Filesize

      4KB

    • memory/788-71-0x0000029AF1870000-0x0000029AF1871000-memory.dmp

      Filesize

      4KB

    • memory/788-72-0x0000029AF1660000-0x0000029AF1661000-memory.dmp

      Filesize

      4KB

    • memory/788-73-0x0000029AF1880000-0x0000029AF1920000-memory.dmp

      Filesize

      640KB

    • memory/788-74-0x0000029AF1870000-0x0000029AF1872000-memory.dmp

      Filesize

      8KB

    • memory/788-75-0x0000029AF1970000-0x0000029AF197F000-memory.dmp

      Filesize

      60KB

    • memory/788-76-0x0000029AF1870000-0x0000029AF1871000-memory.dmp

      Filesize

      4KB

    • memory/788-77-0x0000029AF1960000-0x0000029AF1961000-memory.dmp

      Filesize

      4KB

    • memory/788-78-0x0000029AF1890000-0x0000029AF1891000-memory.dmp

      Filesize

      4KB

    • memory/788-79-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/788-80-0x0000029AF1880000-0x0000029AF1881000-memory.dmp

      Filesize

      4KB

    • memory/788-81-0x0000029AF1870000-0x0000029AF1871000-memory.dmp

      Filesize

      4KB

    • memory/788-82-0x0000029AF1C20000-0x0000029AF1C21000-memory.dmp

      Filesize

      4KB

    • memory/788-83-0x0000029AF1AD0000-0x0000029AF1AD1000-memory.dmp

      Filesize

      4KB

    • memory/2568-5-0x00000000077D0000-0x0000000007849000-memory.dmp

      Filesize

      484KB

    • memory/2568-7-0x00000000008F0000-0x00000000008F3000-memory.dmp

      Filesize

      12KB

    • memory/2568-3-0x00000000077D0000-0x0000000007849000-memory.dmp

      Filesize

      484KB

    • memory/2568-14-0x00000000026A0000-0x00000000026A1000-memory.dmp

      Filesize

      4KB

    • memory/2568-12-0x00000000077D0000-0x0000000007849000-memory.dmp

      Filesize

      484KB

    • memory/2568-2-0x0000000000890000-0x0000000000893000-memory.dmp

      Filesize

      12KB

    • memory/2568-1-0x0000000000890000-0x0000000000893000-memory.dmp

      Filesize

      12KB

    • memory/2568-4-0x0000000000890000-0x0000000000893000-memory.dmp

      Filesize

      12KB

    • memory/2568-10-0x00000000026A0000-0x00000000026A1000-memory.dmp

      Filesize

      4KB

    • memory/2568-9-0x0000000008970000-0x0000000008A67000-memory.dmp

      Filesize

      988KB

    • memory/5056-49-0x0000000000B00000-0x0000000000C02000-memory.dmp

      Filesize

      1.0MB

    • memory/5056-11-0x0000000000B00000-0x0000000000C02000-memory.dmp

      Filesize

      1.0MB

    • memory/5056-0-0x0000000000B00000-0x0000000000C02000-memory.dmp

      Filesize

      1.0MB