Overview

overview

10

Static

static

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    170s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 18:05

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General

  • Target

    84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd.exe

  • Size

    4.2MB

  • MD5

    9e87cde8558eaaa42dec1e63672f79ad

  • SHA1

    584ecae7b988f4cac073e772da906f6c49673102

  • SHA256

    84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd

  • SHA512

    a2f6f21e94e05f5a2d5ecedf73f9ce1e37c1de55e2028ef42661106269c1e7e702501d11d926dcb90bd8b614243af8ce542fc30185d6e87fbe2fe946057706bc

  • SSDEEP

    98304:IhIEZOuzMuX5ajZEuYKK/pnfy0dBCSVb/gMpC+5PUrDjjIK3QHcb/:5EZO6cfYX/E0bReIcrfjbh/

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
  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • 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
  • Drops file in Windows directory 2 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\84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd.exe
    "C:\Users\Admin\AppData\Local\Temp\84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd.exe
      "C:\Users\Admin\AppData\Local\Temp\84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd.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:320
      • 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:3796
        • 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:4520
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4860
        • 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:2188
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1928
          • 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:2400
          • 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:5072
    • 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:2280

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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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

      9e87cde8558eaaa42dec1e63672f79ad

      SHA1

      584ecae7b988f4cac073e772da906f6c49673102

      SHA256

      84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd

      SHA512

      a2f6f21e94e05f5a2d5ecedf73f9ce1e37c1de55e2028ef42661106269c1e7e702501d11d926dcb90bd8b614243af8ce542fc30185d6e87fbe2fe946057706bc

      Download Submit

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

      4.2MB

      MD5

      9e87cde8558eaaa42dec1e63672f79ad

      SHA1

      584ecae7b988f4cac073e772da906f6c49673102

      SHA256

      84ec1faa102886b5298fbcfd6c03b23ad122ae667ca26d35a056428ddfa1bddd

      SHA512

      a2f6f21e94e05f5a2d5ecedf73f9ce1e37c1de55e2028ef42661106269c1e7e702501d11d926dcb90bd8b614243af8ce542fc30185d6e87fbe2fe946057706bc

      Download Submit

    • memory/320-140-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/320-145-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/320-139-0x0000000001215000-0x00000000015FE000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/2016-132-0x0000000000FAE000-0x0000000001397000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/2016-134-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/2016-133-0x0000000002D40000-0x00000000035B7000-memory.dmp

      Filesize

      8.5MB

      Download

    • memory/2016-138-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/2016-136-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/2016-135-0x0000000002D40000-0x00000000035B7000-memory.dmp

      Filesize

      8.5MB

      Download

    • memory/4860-147-0x0000000001400000-0x00000000017E9000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4860-148-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4860-154-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download