Overview

overview

10

Static

static

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • 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
    31-01-2023 08:03

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General

  • Target

    93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb.exe

  • Size

    4.1MB

  • MD5

    61db4d909f866c11c87d607a695f3254

  • SHA1

    23492728ce264863473e124f4674d0a0e6c424d0

  • SHA256

    93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb

  • SHA512

    519bf7cc120e8fa9d24becee0162f51fc23b1df31ca321c914f47d5e004e8b933182810577b0337e34984eebece17241e65feb8ab6c72502a49ca60f7937a091

  • SSDEEP

    98304:B6nINMeWbF6E/5gzXMHNQXaBMZ+Uv3GNxEiOwsWr1JilRxzr:BBc6ExkKNiayZ+U+xEibsCSz

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
  • Program crash 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\93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb.exe
    "C:\Users\Admin\AppData\Local\Temp\93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb.exe
      "C:\Users\Admin\AppData\Local\Temp\93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb.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:2260
      • 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:1248
        • 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:116
      • 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:2448
        • 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:4300
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2656
          • 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:812
          • 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:4704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 680
          3⤵
          • Program crash
          PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 676
        2⤵
        • Program crash
        PID:1936
    • 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:2024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2248 -ip 2248
      1⤵
        PID:4744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2260 -ip 2260
        1⤵
          PID:3816

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Modify Existing Service

        1
        T1031

        Registry Run Keys / Startup Folder

        1
        T1060

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        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

          4.1MB

          MD5

          61db4d909f866c11c87d607a695f3254

          SHA1

          23492728ce264863473e124f4674d0a0e6c424d0

          SHA256

          93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb

          SHA512

          519bf7cc120e8fa9d24becee0162f51fc23b1df31ca321c914f47d5e004e8b933182810577b0337e34984eebece17241e65feb8ab6c72502a49ca60f7937a091

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

          4.1MB

          MD5

          61db4d909f866c11c87d607a695f3254

          SHA1

          23492728ce264863473e124f4674d0a0e6c424d0

          SHA256

          93d400ccfa42d731702ac0d821b21db4c0454a07d6c7ba6c1dea299f3104aecb

          SHA512

          519bf7cc120e8fa9d24becee0162f51fc23b1df31ca321c914f47d5e004e8b933182810577b0337e34984eebece17241e65feb8ab6c72502a49ca60f7937a091

          Download Submit
        • memory/116-138-0x0000000000000000-mapping.dmp
          Download
        • memory/812-149-0x0000000000000000-mapping.dmp
          Download
        • memory/1248-137-0x0000000000000000-mapping.dmp
          Download
        • memory/2248-133-0x0000000002F10000-0x0000000003787000-memory.dmp
          Filesize

          8.5MB

          Download
        • memory/2248-132-0x0000000002B1A000-0x0000000002F03000-memory.dmp
          Filesize

          3.9MB

          Download
        • memory/2248-136-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8.6MB

          Download
        • memory/2248-134-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8.6MB

          Download
        • memory/2260-135-0x0000000000000000-mapping.dmp
          Download
        • memory/2260-140-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8.6MB

          Download
        • memory/2260-144-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8.6MB

          Download
        • memory/2260-139-0x0000000002A89000-0x0000000002E72000-memory.dmp
          Filesize

          3.9MB

          Download
        • memory/2448-145-0x0000000002E00000-0x00000000031E9000-memory.dmp
          Filesize

          3.9MB

          Download
        • memory/2448-146-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8.6MB

          Download
        • memory/2448-141-0x0000000000000000-mapping.dmp
          Download
        • memory/2448-153-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8.6MB

          Download
        • memory/2656-148-0x0000000000000000-mapping.dmp
          Download
        • memory/4300-147-0x0000000000000000-mapping.dmp
          Download
        • memory/4704-152-0x0000000000000000-mapping.dmp
          Download