Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    07/06/2021, 06:45

General

  • Target

    33815ECF51B4A2F18811FBA9ED999D36.exe

  • Size

    2.5MB

  • MD5

    33815ecf51b4a2f18811fba9ed999d36

  • SHA1

    709cde4326af52f644cf00d260af65bdd0cbf5e1

  • SHA256

    2f76ea148491b558111e852ce708f8802896c21c3b18239d14078f313822e301

  • SHA512

    d3e1669d4e60d180a9bcd6b87f2c376be69bb7bebf6a73f0503ab65e4770354b71adcfc0688444ccf9a4d57fff32542f29bbcf12bc9686f347fa8ae8eaac82f5

Malware Config

Extracted

Family

redline

Botnet

002

C2

piporopopo.com:54367

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer Payload 1 IoCs
  • DiamondFox payload 2 IoCs

    Detects DiamondFox payload in file/memory.

  • Executes dropped EXE 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\33815ECF51B4A2F18811FBA9ED999D36.exe
      "C:\Users\Admin\AppData\Local\Temp\33815ECF51B4A2F18811FBA9ED999D36.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Users\Admin\AppData\Roaming\Control.dll
        "C:\Users\Admin\AppData\Roaming\Control.dll" -s -psfgvedfsbetdfhgbefsdtgretgdhdgersfhbetfsgrsfhasgsdg
        3⤵
          PID:2716
        • C:\Users\Admin\AppData\Roaming\curl.dll
          "C:\Users\Admin\AppData\Roaming\curl.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
          3⤵
          • Executes dropped EXE
          PID:4204
        • C:\Users\Admin\AppData\Roaming\autorun.dll
          "C:\Users\Admin\AppData\Roaming\autorun.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4480
          • C:\Users\Admin\AppData\Roaming\autorun.exe
            "C:\Users\Admin\AppData\Roaming\autorun.exe"
            4⤵
            • Executes dropped EXE
            PID:4604
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 888
              5⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4848
        • C:\Users\Admin\AppData\Roaming\sistemes.dll
          "C:\Users\Admin\AppData\Roaming\sistemes.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4688
          • C:\Users\Admin\AppData\Roaming\sistemes.exe
            "C:\Users\Admin\AppData\Roaming\sistemes.exe"
            4⤵
              PID:4916
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /create /tn Windows\MicrosoftVisualStudio /tr "C:\ProgramData\Microsoft Visual Studio\getmac.exe" /st 00:00 /sc once /du 9999:59 /ri 1 /f
                5⤵
                • Creates scheduled task(s)
                PID:5040
          • C:\Users\Admin\AppData\Roaming\laun.dll
            "C:\Users\Admin\AppData\Roaming\laun.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
            3⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4952
            • C:\Users\Admin\AppData\Roaming\laun.exe
              "C:\Users\Admin\AppData\Roaming\laun.exe"
              4⤵
                PID:5112
            • C:\Users\Admin\AppData\Roaming\der.dll
              "C:\Users\Admin\AppData\Roaming\der.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
              3⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2716
              • C:\Users\Admin\AppData\Roaming\der.exe
                "C:\Users\Admin\AppData\Roaming\der.exe"
                4⤵
                • Executes dropped EXE
                PID:4424
                • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
                  "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
                  5⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:5112
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    "powershell.exe" Set-MpPreference -DisableRealtimeMonitoring 1
                    6⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:412
            • C:\Users\Admin\AppData\Roaming\Tausuus.dll
              "C:\Users\Admin\AppData\Roaming\Tausuus.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
              3⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:4452
              • C:\Users\Admin\AppData\Roaming\Tausuus.exe
                "C:\Users\Admin\AppData\Roaming\Tausuus.exe"
                4⤵
                • Executes dropped EXE
                PID:2004
                • C:\Windows\SysWOW64\cmd.exe
                  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Roaming\Tausuus.exe
                  5⤵
                    PID:4428
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 3
                      6⤵
                      • Delays execution with timeout.exe
                      PID:4224
              • C:\Users\Admin\AppData\Roaming\red.dll
                "C:\Users\Admin\AppData\Roaming\red.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
                3⤵
                • Executes dropped EXE
                PID:4520
                • C:\Users\Admin\AppData\Roaming\red.exe
                  "C:\Users\Admin\AppData\Roaming\red.exe"
                  4⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4832
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
            1⤵
            • Drops file in Windows directory
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2208
          • C:\Windows\system32\browser_broker.exe
            C:\Windows\system32\browser_broker.exe -Embedding
            1⤵
            • Modifies Internet Explorer settings
            PID:3900
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies registry class
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4116
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            PID:4184
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Executes dropped EXE
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4916
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies registry class
            PID:1564
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
              PID:4836
            • C:\ProgramData\Microsoft Visual Studio\getmac.exe
              "C:\ProgramData\Microsoft Visual Studio\getmac.exe"
              1⤵
              • Executes dropped EXE
              PID:2224

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • memory/412-207-0x0000000007350000-0x0000000007351000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-205-0x00000000048E0000-0x00000000048E1000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-212-0x0000000004A10000-0x0000000004A11000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-249-0x0000000004A13000-0x0000000004A14000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-211-0x0000000007D30000-0x0000000007D31000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-239-0x0000000009700000-0x0000000009701000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-209-0x0000000007C50000-0x0000000007C51000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-215-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-238-0x000000007E770000-0x000000007E771000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-206-0x00000000073D0000-0x00000000073D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-213-0x0000000004A12000-0x0000000004A13000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-214-0x0000000007DA0000-0x0000000007DA1000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-237-0x00000000095B0000-0x00000000095B1000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-217-0x00000000083D0000-0x00000000083D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/412-225-0x0000000009180000-0x00000000091B3000-memory.dmp

                    Filesize

                    204KB

                  • memory/412-232-0x0000000009160000-0x0000000009161000-memory.dmp

                    Filesize

                    4KB

                  • memory/2004-182-0x0000000000400000-0x0000000000646000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2004-180-0x0000000000100000-0x00000000001AE000-memory.dmp

                    Filesize

                    696KB

                  • memory/2224-255-0x0000000000400000-0x0000000000628000-memory.dmp

                    Filesize

                    2.2MB

                  • memory/2824-159-0x0000000000EF0000-0x0000000000F05000-memory.dmp

                    Filesize

                    84KB

                  • memory/4424-169-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/4604-143-0x0000000000400000-0x0000000000617000-memory.dmp

                    Filesize

                    2.1MB

                  • memory/4604-140-0x0000000000120000-0x0000000000121000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-191-0x0000000004B60000-0x0000000004B61000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-183-0x0000000000100000-0x00000000001AE000-memory.dmp

                    Filesize

                    696KB

                  • memory/4832-192-0x0000000004B62000-0x0000000004B63000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-196-0x0000000005100000-0x0000000005101000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-193-0x0000000004B63000-0x0000000004B64000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-195-0x0000000004A60000-0x0000000004A61000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-190-0x00000000049F0000-0x00000000049F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-189-0x00000000049D0000-0x00000000049D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-188-0x0000000005680000-0x0000000005681000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-187-0x00000000025C0000-0x00000000025D7000-memory.dmp

                    Filesize

                    92KB

                  • memory/4832-186-0x0000000004B70000-0x0000000004B71000-memory.dmp

                    Filesize

                    4KB

                  • memory/4832-185-0x0000000002540000-0x0000000002559000-memory.dmp

                    Filesize

                    100KB

                  • memory/4832-184-0x0000000000400000-0x000000000063B000-memory.dmp

                    Filesize

                    2.2MB

                  • memory/4832-194-0x0000000004B64000-0x0000000004B66000-memory.dmp

                    Filesize

                    8KB

                  • memory/4832-240-0x0000000005F70000-0x0000000005F71000-memory.dmp

                    Filesize

                    4KB

                  • memory/4916-146-0x0000000000400000-0x0000000000628000-memory.dmp

                    Filesize

                    2.2MB

                  • memory/5112-210-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/5112-158-0x0000000000110000-0x0000000000111000-memory.dmp

                    Filesize

                    4KB

                  • memory/5112-157-0x0000000000400000-0x0000000000635000-memory.dmp

                    Filesize

                    2.2MB