Analysis

  • max time kernel
    133s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    29-06-2020 09:16

General

  • Target

    78a9e83c3ee9695abe5b1698d4f594af.exe

  • Size

    573KB

  • MD5

    78a9e83c3ee9695abe5b1698d4f594af

  • SHA1

    0903a4861c23d3606048dedf0e11d0f95bd18f02

  • SHA256

    5c014fbda22ed7eb3e16d6e7cefc5a2763dc3a7a419e428022dc58334e9770b5

  • SHA512

    330a51e94e6893eb23733deaf02785314902a4c7572534bbb010210edd5a2575a658323c6953c0ce6eee4bc5b3596837b30d06c17daea1526d883f0973192cf8

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.11 Release Build compiled on Fri May 8 14:39:40 2020 Launched at: 2020.06.29 - 11:16:06 GMT Bot_ID: 3E009A64-65D7-465C-9098-F2673DD3F416_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: OWZMOTQA - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (701 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Checks whether UAC is enabled 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies control panel 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Kills process with taskkill 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Modifies registry class 113 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • RedLine

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

  • Checks for installed software on the system 1 TTPs 60 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Drops file in Windows directory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78a9e83c3ee9695abe5b1698d4f594af.exe
    "C:\Users\Admin\AppData\Local\Temp\78a9e83c3ee9695abe5b1698d4f594af.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe
      filingood.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Checks for installed software on the system
      PID:1904
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3512
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:3140
    • C:\Users\Admin\AppData\Roaming\indepopede\testoviyjuki.exe
      testoviyjuki.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetThreadContext
      PID:2080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess.exe
        3⤵
          PID:976
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          3⤵
          • Modifies system certificate store
          • Suspicious use of WriteProcessMemory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: EnumeratesProcesses
          • Checks for installed software on the system
          PID:1988
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C taskkill /F /PID 1988 && choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4228
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /F /PID 1988
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              • Kills process with taskkill
              PID:4264
            • C:\Windows\SysWOW64\choice.exe
              choice /C Y /N /D Y /T 3
              5⤵
                PID:4304
      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
        1⤵
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Modifies control panel
        • Suspicious use of AdjustPrivilegeToken
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Drops file in Windows directory
        PID:1564
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1564 -s 3452
          2⤵
          • Enumerates system info in registry
          • Checks processor information in registry
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Suspicious use of AdjustPrivilegeToken
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          PID:4024
      • C:\Windows\system32\browser_broker.exe
        C:\Windows\system32\browser_broker.exe -Embedding
        1⤵
        • Modifies Internet Explorer settings
        PID:1340

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe

      • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe

      • C:\Users\Admin\AppData\Roaming\indepopede\testoviyjuki.exe

      • C:\Users\Admin\AppData\Roaming\indepopede\testoviyjuki.exe

      • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

      • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

      • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll

      • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll

      • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll

      • \Users\Admin\AppData\LocalLow\sqlite3.dll

      • memory/1312-1-0x0000000004680000-0x0000000004681000-memory.dmp

        Filesize

        4KB

      • memory/1312-0-0x0000000004384000-0x0000000004385000-memory.dmp

        Filesize

        4KB

      • memory/1904-2-0x0000000000000000-mapping.dmp

      • memory/1904-8-0x0000000004441000-0x0000000004442000-memory.dmp

        Filesize

        4KB

      • memory/1904-9-0x0000000004530000-0x0000000004531000-memory.dmp

        Filesize

        4KB

      • memory/1988-12-0x0000000000426DCE-mapping.dmp

      • memory/1988-11-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2080-5-0x0000000000000000-mapping.dmp

      • memory/3140-19-0x0000000000000000-mapping.dmp

      • memory/3512-18-0x0000000000000000-mapping.dmp

      • memory/4024-20-0x000001DE5A290000-0x000001DE5A291000-memory.dmp

        Filesize

        4KB

      • memory/4024-21-0x000001DE5A290000-0x000001DE5A291000-memory.dmp

        Filesize

        4KB

      • memory/4024-23-0x000001DE5B1E0000-0x000001DE5B1E1000-memory.dmp

        Filesize

        4KB

      • memory/4024-26-0x000001DE5B2D0000-0x000001DE5B2D1000-memory.dmp

        Filesize

        4KB

      • memory/4228-27-0x0000000000000000-mapping.dmp

      • memory/4264-28-0x0000000000000000-mapping.dmp

      • memory/4304-29-0x0000000000000000-mapping.dmp