Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    195s
  • max time network
    243s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2023, 12:21

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General

  • Target

    8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681.exe

  • Size

    4.0MB

  • MD5

    51e8587c8e4a2f7eb52e27f5e16ce3cc

  • SHA1

    b228db22a7a6ee79629346dca0b7405253c9b93a

  • SHA256

    8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681

  • SHA512

    28b56651c4c315e5129b9260af412527619334ddb2444c2b5928c8016d8182fd91947cb443c5cb1495f956f6fcd82bd120afad61a145a55c8acbb0348eb0055b

  • SSDEEP

    98304:9KofYjX1qpT/lx/GuaiAGR+n9RsAXcgch/i2X0fDCmJdq:8FX1qpT/l8WXU9RsAG62XGDCx

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\8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681.exe
    "C:\Users\Admin\AppData\Local\Temp\8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4740
    • C:\Users\Admin\AppData\Local\Temp\8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681.exe
      "C:\Users\Admin\AppData\Local\Temp\8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681.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:2192
      • 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:3144
        • 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:4260
      • 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:5036
        • 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:4964
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3836
          • 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:3864
          • 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:4428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 872
          3⤵
          • Program crash
          PID:224
    • 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:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2192 -ip 2192
      1⤵
        PID:240

      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

              51e8587c8e4a2f7eb52e27f5e16ce3cc

              SHA1

              b228db22a7a6ee79629346dca0b7405253c9b93a

              SHA256

              8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681

              SHA512

              28b56651c4c315e5129b9260af412527619334ddb2444c2b5928c8016d8182fd91947cb443c5cb1495f956f6fcd82bd120afad61a145a55c8acbb0348eb0055b

              Download Submit

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

              4.0MB

              MD5

              51e8587c8e4a2f7eb52e27f5e16ce3cc

              SHA1

              b228db22a7a6ee79629346dca0b7405253c9b93a

              SHA256

              8ed6b7490987c67b740d33a0705c4386c2e91e02cba0afd819656686acb28681

              SHA512

              28b56651c4c315e5129b9260af412527619334ddb2444c2b5928c8016d8182fd91947cb443c5cb1495f956f6fcd82bd120afad61a145a55c8acbb0348eb0055b

              Download Submit

            • memory/2192-140-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/2192-138-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/2192-137-0x0000000002934000-0x0000000002D1D000-memory.dmp

              Filesize

              3.9MB

              Download

            • memory/2192-146-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/4740-136-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/4740-132-0x0000000002BAB000-0x0000000002F94000-memory.dmp

              Filesize

              3.9MB

              Download

            • memory/4740-134-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/4740-133-0x0000000002FA0000-0x0000000003817000-memory.dmp

              Filesize

              8.5MB

              Download

            • memory/5036-147-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/5036-153-0x0000000000400000-0x0000000000C91000-memory.dmp

              Filesize

              8.6MB

              Download

            • memory/5036-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

              Filesize

              3.9MB

              Download