Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    05/01/2021, 23:43

General

  • Target
    OhGodAnETHlargementPill2.exe
  • Size 6.1MB
  • Sample210105-phgra5bvta
  • SHA256 f7ae9bdd03e5df038aad0e809dbf31a00ca5e3b6aec3960417e14d5da18fd373
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • remcos

C2
  • 193.111.198.220:5862

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 9 IoCs
  • JavaScript code in executable 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 171 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OhGodAnETHlargementPill2.exe
    "C:\Users\Admin\AppData\Local\Temp\OhGodAnETHlargementPill2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\ETHlargementPill-r2.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ETHlargementPill-r2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\ETHlargementPill-r2.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ETHlargementPill-r2.exe" /VERYSILENT
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Users\Admin\AppData\Local\Temp\TaskAudio Driver.exe
          "C:\Users\Admin\AppData\Local\Temp\TaskAudio Driver.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Windows\SysWOW64\notepad.exe
            "C:\Windows\system32\notepad.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1104
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              6⤵
                PID:1744
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe"
                6⤵
                  PID:1788
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe"
                  6⤵
                    PID:524
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe"
                    6⤵
                      PID:472
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe"
                      6⤵
                        PID:1768
                      • C:\Windows\SysWOW64\notepad.exe
                        "C:\Windows\system32\notepad.exe"
                        6⤵
                        • Drops file in Windows directory
                        • Suspicious use of SetWindowsHookEx
                        PID:1716
                  • C:\Users\Admin\AppData\Local\Temp\ETHlargementPill-r2.exe
                    "C:\Users\Admin\AppData\Local\Temp\ETHlargementPill-r2.exe"
                    4⤵
                    • Executes dropped EXE
                    PID:864

            Network

                  MITRE ATT&CK Matrix

                  Replay Monitor

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                  Downloads

                  memory/864-22-0x0000000000430000-0x0000000000531000-memory.dmp

                  memory/864-24-0x000000013F970000-0x000000013F9E7000-memory.dmp

                  memory/1716-27-0x0000000000400000-0x0000000000420000-memory.dmp