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Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2023, 11:10

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General

  • Target

    bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f.exe

  • Size

    4.0MB

  • MD5

    8ba03b75db3188dadccc3a970255b49c

  • SHA1

    7e66c32cf30c8c1d43bc46b63cf14e6daea55bce

  • SHA256

    bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f

  • SHA512

    841b8cf84881473bea13ec00e31622abf980135da6de6341dd6f06d80afb5a8a65b03b09657fc1b6485e21a9ac2b70865aa382f3915d8626598bdb7c044be738

  • SSDEEP

    49152:B2DhrW4INFN9HYWDUEksBHazfb+Sudew96o8R5aMeaDZnWxqlzBOfQu8vGWq4aaF:MiNtY7EkdVw4o8HaMWxq3Of4+dDiXelS

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
  • 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\bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f.exe
    "C:\Users\Admin\AppData\Local\Temp\bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4692
    • C:\Users\Admin\AppData\Local\Temp\bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f.exe
      "C:\Users\Admin\AppData\Local\Temp\bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f.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:1936
      • 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:2112
        • 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:544
      • 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:1164
        • 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:4612
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1856
          • 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:612
          • 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:3752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 824
          3⤵
          • Program crash
          PID:628
    • 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:556
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1936 -ip 1936
      1⤵
        PID:712

      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

        4.0MB

        MD5

        8ba03b75db3188dadccc3a970255b49c

        SHA1

        7e66c32cf30c8c1d43bc46b63cf14e6daea55bce

        SHA256

        bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f

        SHA512

        841b8cf84881473bea13ec00e31622abf980135da6de6341dd6f06d80afb5a8a65b03b09657fc1b6485e21a9ac2b70865aa382f3915d8626598bdb7c044be738

        Download Submit

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

        4.0MB

        MD5

        8ba03b75db3188dadccc3a970255b49c

        SHA1

        7e66c32cf30c8c1d43bc46b63cf14e6daea55bce

        SHA256

        bf2eb931487038b394805f31e587edae17f86544cc982575db0f39279ab7b40f

        SHA512

        841b8cf84881473bea13ec00e31622abf980135da6de6341dd6f06d80afb5a8a65b03b09657fc1b6485e21a9ac2b70865aa382f3915d8626598bdb7c044be738

        Download Submit

      • memory/1164-154-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1164-149-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1164-148-0x0000000002E00000-0x00000000031E9000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/1936-140-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1936-144-0x00000000029AA000-0x0000000002D93000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/1936-145-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/1936-137-0x00000000029AA000-0x0000000002D93000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/4692-132-0x0000000002A48000-0x0000000002E31000-memory.dmp

        Filesize

        3.9MB

        Download

      • memory/4692-136-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/4692-134-0x0000000000400000-0x0000000000C91000-memory.dmp

        Filesize

        8.6MB

        Download

      • memory/4692-133-0x0000000002E40000-0x00000000036B7000-memory.dmp

        Filesize

        8.5MB

        Download