Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 14:14

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General

  • Target

    6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084.exe

  • Size

    4.2MB

  • MD5

    aa27eab56f9903e7f973ddde55ddaf98

  • SHA1

    38b42b8850b8acc2cf08629ce83e8a486bd0fbeb

  • SHA256

    6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084

  • SHA512

    86b041489d69c8b96b1e1d73159384757f51bc193514e922fa309ef9a9dc75db7157ff4ee05e346859e6cb750abf964a59cd3e2747f21bd2d239322542f8abf3

  • SSDEEP

    98304:0bqinEBeRFq1n784hGfhYHzRvDZInnpQwhsJ/DKjpPzgKkaX5:0bqYEIHmAdZ4zRvV/JJ/ujJYQ

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
  • 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\6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084.exe
    "C:\Users\Admin\AppData\Local\Temp\6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4832
    • C:\Users\Admin\AppData\Local\Temp\6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084.exe
      "C:\Users\Admin\AppData\Local\Temp\6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084.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:4360
      • 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:3568
        • 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:1704
      • 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:3716
        • 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:4560
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5068
          • 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:748
          • 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:2476
    • 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:4012

    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

      aa27eab56f9903e7f973ddde55ddaf98

      SHA1

      38b42b8850b8acc2cf08629ce83e8a486bd0fbeb

      SHA256

      6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084

      SHA512

      86b041489d69c8b96b1e1d73159384757f51bc193514e922fa309ef9a9dc75db7157ff4ee05e346859e6cb750abf964a59cd3e2747f21bd2d239322542f8abf3

      Download Submit

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

      4.2MB

      MD5

      aa27eab56f9903e7f973ddde55ddaf98

      SHA1

      38b42b8850b8acc2cf08629ce83e8a486bd0fbeb

      SHA256

      6a7b69b336cac46e39f9865858ebef3a226b2c75f680b4acde5042b83880f084

      SHA512

      86b041489d69c8b96b1e1d73159384757f51bc193514e922fa309ef9a9dc75db7157ff4ee05e346859e6cb750abf964a59cd3e2747f21bd2d239322542f8abf3

      Download Submit

    • memory/3716-149-0x0000000002E00000-0x00000000031E9000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/3716-156-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/3716-151-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4360-140-0x0000000002ABF000-0x0000000002EA8000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4360-147-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4360-141-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4832-135-0x0000000002B7D000-0x0000000002F66000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4832-139-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4832-137-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4832-136-0x0000000002F70000-0x00000000037E7000-memory.dmp

      Filesize

      8.5MB

      Download