Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2023 20:43

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General

  • Target

    6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f.exe

  • Size

    4.2MB

  • MD5

    d744d69f4252bd8ffeb21451981b9111

  • SHA1

    ced8439cc2f6082df88d12d841bc6a934f76ab10

  • SHA256

    6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f

  • SHA512

    0fca375352d75872b4109683b899201e7e1b96599dc08e85a10e635deeb29c710112f6e6e7e0f032bb278a34a04a7b118f1504e761c367000190b2ab0c782e1d

  • SSDEEP

    98304:6telLDUkO9sPk0KAhDY6LKk1S/Ej2gjwm5RFlex:++/UkRPTXLK4Rj2gkm5Ix

Score
10/10
gluptebadiscoverydropperevasionloaderpersistence

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

    loaderdropperglupteba
  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

    persistence
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f.exe
    "C:\Users\Admin\AppData\Local\Temp\6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f.exe
      "C:\Users\Admin\AppData\Local\Temp\6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4240
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:1108
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:1444
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4956
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3364
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Creates scheduled task(s)
            PID:3864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 948
        2⤵
        • Program crash
        PID:4492
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1524 -ip 1524
      1⤵
        PID:3112

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
        Filesize

        281KB

        MD5

        d98e33b66343e7c96158444127a117f6

        SHA1

        bb716c5509a2bf345c6c1152f6e3e1452d39d50d

        SHA256

        5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

        SHA512

        705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
        Filesize

        281KB

        MD5

        d98e33b66343e7c96158444127a117f6

        SHA1

        bb716c5509a2bf345c6c1152f6e3e1452d39d50d

        SHA256

        5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

        SHA512

        705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

        Download Submit

      • C:\Windows\rss\csrss.exe
        Filesize

        4.2MB

        MD5

        d744d69f4252bd8ffeb21451981b9111

        SHA1

        ced8439cc2f6082df88d12d841bc6a934f76ab10

        SHA256

        6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f

        SHA512

        0fca375352d75872b4109683b899201e7e1b96599dc08e85a10e635deeb29c710112f6e6e7e0f032bb278a34a04a7b118f1504e761c367000190b2ab0c782e1d

        Download Submit

      • C:\Windows\rss\csrss.exe
        Filesize

        4.2MB

        MD5

        d744d69f4252bd8ffeb21451981b9111

        SHA1

        ced8439cc2f6082df88d12d841bc6a934f76ab10

        SHA256

        6e7d14091a04717d4e79f5d220f21349c30817a2bed9661e7b8d2ec7b8eb141f

        SHA512

        0fca375352d75872b4109683b899201e7e1b96599dc08e85a10e635deeb29c710112f6e6e7e0f032bb278a34a04a7b118f1504e761c367000190b2ab0c782e1d

        Download Submit

      • memory/1108-140-0x0000000000000000-mapping.dmp

        Download

      • memory/1192-137-0x0000000002BD7000-0x0000000002FC0000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/1192-135-0x0000000000000000-mapping.dmp

        Download

      • memory/1192-138-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1192-144-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1444-145-0x0000000000000000-mapping.dmp

        Download

      • memory/1524-134-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1524-136-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1524-132-0x0000000002CCC000-0x00000000030B5000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/1524-133-0x00000000030C0000-0x0000000003937000-memory.dmp

        Filesize

        8.5MB

        Download

      • memory/2708-141-0x0000000000000000-mapping.dmp

        Download

      • memory/2708-146-0x0000000002E00000-0x00000000031E9000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/2708-148-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/2708-153-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/3364-149-0x0000000000000000-mapping.dmp

        Download

      • memory/3864-152-0x0000000000000000-mapping.dmp

        Download

      • memory/4240-139-0x0000000000000000-mapping.dmp

        Download

      • memory/4956-147-0x0000000000000000-mapping.dmp

        Download