Analysis

  • max time kernel
    113s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7
  • 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 - 09:16:25 GMT Bot_ID: BAE8C589-5DA1-4C62-BE46-F8D74908CB8C_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: AVGLFESB - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (414 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

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

  • Checks whether UAC is enabled 2 IoCs
  • Loads dropped DLL 11 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Raccoon log file 1 IoCs

    Detects a log file produced by the Raccoon Stealer.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\78a9e83c3ee9695abe5b1698d4f594af.exe
    "C:\Users\Admin\AppData\Local\Temp\78a9e83c3ee9695abe5b1698d4f594af.exe"
    1⤵
    • Checks processor information in registry
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    • Modifies system certificate store
    PID:1492
    • C:\Users\Admin\AppData\Roaming\indepopede\filingood.exe
      filingood.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      • Checks for installed software on the system
      PID:1028
      • 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:272
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:1640
    • C:\Users\Admin\AppData\Roaming\indepopede\testoviyjuki.exe
      testoviyjuki.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetThreadContext
      PID:1848
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess.exe
        3⤵
          PID:1664
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • Modifies system certificate store
          • Checks for installed software on the system
          PID:1636
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" http://localhost:13050/
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            • Checks whether UAC is enabled
            • Suspicious use of WriteProcessMemory
            • Suspicious use of FindShellTrayWindow
            PID:1548
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1548 CREDAT:275457 /prefetch:2
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              • Checks whether UAC is enabled
              PID:1032
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C taskkill /F /PID 1636 && 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:1560
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /F /PID 1636
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1824
            • C:\Windows\SysWOW64\choice.exe
              choice /C Y /N /D Y /T 3
              5⤵
                PID:1936

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\JOW2CQCL.txt

      • 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\msvcp140.dll

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

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

      • \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\vcruntime140.dll

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

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

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

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

      • memory/272-28-0x0000000000000000-mapping.dmp

      • memory/1028-4-0x0000000000000000-mapping.dmp

      • memory/1028-7-0x0000000004450000-0x0000000004461000-memory.dmp

        Filesize

        68KB

      • memory/1028-6-0x0000000004209000-0x000000000420A000-memory.dmp

        Filesize

        4KB

      • memory/1032-27-0x0000000000000000-mapping.dmp

      • memory/1492-1-0x0000000004510000-0x0000000004521000-memory.dmp

        Filesize

        68KB

      • memory/1492-0-0x00000000042A9000-0x00000000042AA000-memory.dmp

        Filesize

        4KB

      • memory/1548-26-0x0000000000000000-mapping.dmp

      • memory/1560-31-0x0000000000000000-mapping.dmp

      • memory/1636-14-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1636-17-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1636-15-0x0000000000426DCE-mapping.dmp

      • memory/1636-16-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1640-29-0x0000000000000000-mapping.dmp

      • memory/1824-32-0x0000000000000000-mapping.dmp

      • memory/1848-9-0x0000000000000000-mapping.dmp

      • memory/1936-33-0x0000000000000000-mapping.dmp