Analysis

  • max time kernel
    150s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    07-06-2021 05:41

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:3876
      • C:\Users\Admin\AppData\Roaming\Control.dll
        "C:\Users\Admin\AppData\Roaming\Control.dll" -s -psfgvedfsbetdfhgbefsdtgretgdhdgersfhbetfsgrsfhasgsdg
        3⤵
        • Executes dropped EXE
        PID:3752
      • C:\Users\Admin\AppData\Roaming\curl.dll
        "C:\Users\Admin\AppData\Roaming\curl.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
        3⤵
        • Executes dropped EXE
        PID:2676
      • 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:4360
        • C:\Users\Admin\AppData\Roaming\autorun.exe
          "C:\Users\Admin\AppData\Roaming\autorun.exe"
          4⤵
          • Executes dropped EXE
          PID:4508
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 888
            5⤵
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4728
      • 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:4592
        • C:\Users\Admin\AppData\Roaming\sistemes.exe
          "C:\Users\Admin\AppData\Roaming\sistemes.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4796
          • 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:4896
      • 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:4828
        • C:\Users\Admin\AppData\Roaming\laun.exe
          "C:\Users\Admin\AppData\Roaming\laun.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4988
      • 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:5016
        • C:\Users\Admin\AppData\Roaming\der.exe
          "C:\Users\Admin\AppData\Roaming\der.exe"
          4⤵
          • Executes dropped EXE
          PID:4252
          • C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
            "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
            5⤵
            • Executes dropped EXE
            PID:4976
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "powershell.exe" Set-MpPreference -DisableRealtimeMonitoring 1
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4948
      • 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:4280
        • C:\Users\Admin\AppData\Roaming\Tausuus.exe
          "C:\Users\Admin\AppData\Roaming\Tausuus.exe"
          4⤵
          • Executes dropped EXE
          PID:4404
          • C:\Windows\SysWOW64\cmd.exe
            /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Roaming\Tausuus.exe
            5⤵
              PID:4756
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 3
                6⤵
                • Delays execution with timeout.exe
                PID:4616
        • C:\Users\Admin\AppData\Roaming\red.dll
          "C:\Users\Admin\AppData\Roaming\red.dll" -s -pfhnrstya4rfhjnterast24wrhetfygr
          3⤵
          • Executes dropped EXE
          PID:2588
          • 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:2224
    • 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:3868
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:4008
    • 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:4076
    • 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:4148
    • 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 use of AdjustPrivilegeToken
      PID:4736
    • 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:5028
    • 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:5016
    • C:\ProgramData\Microsoft Visual Studio\getmac.exe
      "C:\ProgramData\Microsoft Visual Studio\getmac.exe"
      1⤵
      • Executes dropped EXE
      PID:4280

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2224-189-0x00000000023B0000-0x00000000023C7000-memory.dmp

      Filesize

      92KB

    • memory/2224-195-0x0000000004A60000-0x0000000004A61000-memory.dmp

      Filesize

      4KB

    • memory/2224-193-0x0000000004BB2000-0x0000000004BB3000-memory.dmp

      Filesize

      4KB

    • memory/2224-194-0x0000000004BB3000-0x0000000004BB4000-memory.dmp

      Filesize

      4KB

    • memory/2224-190-0x00000000056D0000-0x00000000056D1000-memory.dmp

      Filesize

      4KB

    • memory/2224-192-0x0000000004A00000-0x0000000004A01000-memory.dmp

      Filesize

      4KB

    • memory/2224-221-0x0000000005F70000-0x0000000005F71000-memory.dmp

      Filesize

      4KB

    • memory/2224-242-0x00000000067A0000-0x00000000067A1000-memory.dmp

      Filesize

      4KB

    • memory/2224-188-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

      Filesize

      4KB

    • memory/2224-191-0x0000000002480000-0x0000000002481000-memory.dmp

      Filesize

      4KB

    • memory/2224-196-0x0000000004BB4000-0x0000000004BB6000-memory.dmp

      Filesize

      8KB

    • memory/2224-185-0x0000000000400000-0x000000000063B000-memory.dmp

      Filesize

      2.2MB

    • memory/2224-197-0x0000000005100000-0x0000000005101000-memory.dmp

      Filesize

      4KB

    • memory/2224-241-0x0000000006390000-0x0000000006391000-memory.dmp

      Filesize

      4KB

    • memory/2224-187-0x0000000000530000-0x0000000000549000-memory.dmp

      Filesize

      100KB

    • memory/2224-186-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

      Filesize

      4KB

    • memory/2824-160-0x0000000000EE0000-0x0000000000EF5000-memory.dmp

      Filesize

      84KB

    • memory/4252-170-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/4280-256-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4404-179-0x0000000000100000-0x00000000001AE000-memory.dmp

      Filesize

      696KB

    • memory/4404-180-0x0000000000400000-0x0000000000646000-memory.dmp

      Filesize

      2.3MB

    • memory/4508-136-0x00000000001C0000-0x00000000001C1000-memory.dmp

      Filesize

      4KB

    • memory/4508-137-0x0000000000400000-0x0000000000617000-memory.dmp

      Filesize

      2.1MB

    • memory/4796-148-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4796-147-0x0000000000140000-0x00000000001EE000-memory.dmp

      Filesize

      696KB

    • memory/4948-245-0x000000007E770000-0x000000007E771000-memory.dmp

      Filesize

      4KB

    • memory/4948-227-0x0000000009370000-0x00000000093A3000-memory.dmp

      Filesize

      204KB

    • memory/4948-210-0x0000000007D10000-0x0000000007D11000-memory.dmp

      Filesize

      4KB

    • memory/4948-211-0x0000000007D80000-0x0000000007D81000-memory.dmp

      Filesize

      4KB

    • memory/4948-206-0x00000000048E0000-0x00000000048E1000-memory.dmp

      Filesize

      4KB

    • memory/4948-207-0x00000000074B0000-0x00000000074B1000-memory.dmp

      Filesize

      4KB

    • memory/4948-214-0x0000000004B10000-0x0000000004B11000-memory.dmp

      Filesize

      4KB

    • memory/4948-215-0x0000000004B12000-0x0000000004B13000-memory.dmp

      Filesize

      4KB

    • memory/4948-216-0x0000000007C10000-0x0000000007C11000-memory.dmp

      Filesize

      4KB

    • memory/4948-218-0x0000000008390000-0x0000000008391000-memory.dmp

      Filesize

      4KB

    • memory/4948-208-0x0000000007450000-0x0000000007451000-memory.dmp

      Filesize

      4KB

    • memory/4948-209-0x0000000007B50000-0x0000000007B51000-memory.dmp

      Filesize

      4KB

    • memory/4948-234-0x0000000009150000-0x0000000009151000-memory.dmp

      Filesize

      4KB

    • memory/4948-239-0x00000000094E0000-0x00000000094E1000-memory.dmp

      Filesize

      4KB

    • memory/4948-240-0x00000000096B0000-0x00000000096B1000-memory.dmp

      Filesize

      4KB

    • memory/4948-247-0x0000000004B13000-0x0000000004B14000-memory.dmp

      Filesize

      4KB

    • memory/4976-213-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/4976-212-0x0000000000100000-0x00000000001AE000-memory.dmp

      Filesize

      696KB

    • memory/4988-158-0x0000000000400000-0x0000000000635000-memory.dmp

      Filesize

      2.2MB

    • memory/4988-159-0x0000000000150000-0x0000000000151000-memory.dmp

      Filesize

      4KB