Analysis

  • max time kernel
    131s
  • max time network
    199s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30-07-2021 15:26

General

  • Target

    71d384c258d0d2cfbeeda66a1ba67085b347d934a3484e0df3fc06a684085386.exe

  • Size

    748KB

  • MD5

    44020c86a10168041f6ddde52fd3f4d4

  • SHA1

    0dc9cf42fb0b5670d54307c9eb41cbc43bd66454

  • SHA256

    71d384c258d0d2cfbeeda66a1ba67085b347d934a3484e0df3fc06a684085386

  • SHA512

    163de8e93558e30b09f6a89dd3be3627c9fbd076ba28001b19db0efc9e33bf6ed4b1ba62d63d29403af4c7c9108b92bcb9ea0aa0978023d3398a36534049683b

Malware Config

Extracted

Family

warzonerat

C2

sdafsdffssffs.ydns.eu:6703

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1846926808:AAGk2IzxSb5N5fdYKiaTr2kIA9QAdWBcb1Y/sendMessage?chat_id=1407381447

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71d384c258d0d2cfbeeda66a1ba67085b347d934a3484e0df3fc06a684085386.exe
    "C:\Users\Admin\AppData\Local\Temp\71d384c258d0d2cfbeeda66a1ba67085b347d934a3484e0df3fc06a684085386.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\AppData\Local\Temp\71d384c258d0d2cfbeeda66a1ba67085b347d934a3484e0df3fc06a684085386.exe
      C:\Users\Admin\AppData\Local\Temp\71d384c258d0d2cfbeeda66a1ba67085b347d934a3484e0df3fc06a684085386.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:332
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1472
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
          4⤵
            PID:1836
        • C:\ProgramData\images.exe
          "C:\ProgramData\images.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1524
          • C:\Users\Admin\AppData\Local\Temp\images.exe
            C:\Users\Admin\AppData\Local\Temp\images.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:948
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe"
              5⤵
                PID:996
              • C:\Users\Admin\AppData\Roaming\FsusJeDbv.exe
                "C:\Users\Admin\AppData\Roaming\FsusJeDbv.exe"
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:472
                • C:\Users\Admin\AppData\Local\Temp\FsusJeDbv.exe
                  C:\Users\Admin\AppData\Local\Temp\FsusJeDbv.exe
                  6⤵
                  • Executes dropped EXE
                  PID:1516
                • C:\Users\Admin\AppData\Local\Temp\FsusJeDbv.exe
                  C:\Users\Admin\AppData\Local\Temp\FsusJeDbv.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1588

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/332-73-0x0000000000400000-0x000000000055E000-memory.dmp

        Filesize

        1.4MB

      • memory/332-72-0x0000000075AA1000-0x0000000075AA3000-memory.dmp

        Filesize

        8KB

      • memory/332-70-0x0000000000400000-0x000000000055E000-memory.dmp

        Filesize

        1.4MB

      • memory/472-122-0x0000000000475000-0x0000000000486000-memory.dmp

        Filesize

        68KB

      • memory/472-112-0x0000000004FA0000-0x0000000005012000-memory.dmp

        Filesize

        456KB

      • memory/472-107-0x0000000000AC0000-0x0000000000B0A000-memory.dmp

        Filesize

        296KB

      • memory/472-106-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/472-104-0x00000000010B0000-0x00000000010B1000-memory.dmp

        Filesize

        4KB

      • memory/948-95-0x0000000000400000-0x000000000055E000-memory.dmp

        Filesize

        1.4MB

      • memory/948-124-0x0000000004850000-0x000000000549A000-memory.dmp

        Filesize

        12.3MB

      • memory/948-99-0x00000000037C0000-0x00000000038C0000-memory.dmp

        Filesize

        1024KB

      • memory/996-98-0x00000000000B0000-0x00000000000B1000-memory.dmp

        Filesize

        4KB

      • memory/1076-69-0x00000000048F0000-0x0000000004953000-memory.dmp

        Filesize

        396KB

      • memory/1076-64-0x0000000002070000-0x00000000020BC000-memory.dmp

        Filesize

        304KB

      • memory/1076-60-0x0000000000290000-0x0000000000291000-memory.dmp

        Filesize

        4KB

      • memory/1076-63-0x0000000005075000-0x0000000005086000-memory.dmp

        Filesize

        68KB

      • memory/1076-62-0x0000000005070000-0x0000000005071000-memory.dmp

        Filesize

        4KB

      • memory/1524-83-0x00000000044A5000-0x00000000044B6000-memory.dmp

        Filesize

        68KB

      • memory/1524-82-0x00000000044A0000-0x00000000044A1000-memory.dmp

        Filesize

        4KB

      • memory/1524-80-0x0000000000880000-0x0000000000881000-memory.dmp

        Filesize

        4KB

      • memory/1588-123-0x00000000049D0000-0x00000000049D1000-memory.dmp

        Filesize

        4KB

      • memory/1588-120-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/1588-116-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB