Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2023, 08:56

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General

  • Target

    ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424.exe

  • Size

    4.1MB

  • MD5

    6790db9ab628acb05b46a63eb196f649

  • SHA1

    27343fadf889e4b73f9096398fc02c159fb1dd6d

  • SHA256

    ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424

  • SHA512

    f149ed1a38fab6931b13ef3f200e1a866b5ebaf6aaeef0d0fa69d0f12b5ed2e4fa3c6037dc6a65e71c67489b1d42b061c69d0a43d9250e17dfdf6d2008d76645

  • SSDEEP

    98304:6naglCFcZHa/NtE1dYNUIFFBMEII15m4WNmsZngw37:6nag0q2tEHSUIFFHgPngw

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
  • 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\ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424.exe
    "C:\Users\Admin\AppData\Local\Temp\ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424.exe
      "C:\Users\Admin\AppData\Local\Temp\ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424.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:1984
      • 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:3680
        • 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:4524
      • 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:3000
        • 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:4220
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2472
          • 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:3812
          • 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:3128
    • 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:1504

    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

      4.1MB

      MD5

      6790db9ab628acb05b46a63eb196f649

      SHA1

      27343fadf889e4b73f9096398fc02c159fb1dd6d

      SHA256

      ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424

      SHA512

      f149ed1a38fab6931b13ef3f200e1a866b5ebaf6aaeef0d0fa69d0f12b5ed2e4fa3c6037dc6a65e71c67489b1d42b061c69d0a43d9250e17dfdf6d2008d76645

      Download Submit

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

      4.1MB

      MD5

      6790db9ab628acb05b46a63eb196f649

      SHA1

      27343fadf889e4b73f9096398fc02c159fb1dd6d

      SHA256

      ca6ccfeb0d17106ad054bffe0d323065d46f564925ee25475814266c1fc5f424

      SHA512

      f149ed1a38fab6931b13ef3f200e1a866b5ebaf6aaeef0d0fa69d0f12b5ed2e4fa3c6037dc6a65e71c67489b1d42b061c69d0a43d9250e17dfdf6d2008d76645

      Download Submit

    • memory/1984-144-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/1984-139-0x0000000002982000-0x0000000002D6B000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/1984-140-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/3000-149-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/3000-154-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/3000-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/3000-146-0x0000000003200000-0x0000000003A77000-memory.dmp

      Filesize

      8.5MB

      Download

    • memory/4460-132-0x0000000002AA1000-0x0000000002E8A000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4460-136-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4460-134-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4460-133-0x0000000002E90000-0x0000000003707000-memory.dmp

      Filesize

      8.5MB

      Download