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Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    191s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/02/2023, 10:41

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General

  • Target

    789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3.exe

  • Size

    4.1MB

  • MD5

    5b6bfd5964dc18e4895c16ef8064cff8

  • SHA1

    00495922ecbe5d490f3a13bc8df1495a6a260f67

  • SHA256

    789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3

  • SHA512

    16827ed5e89c41cb9ed5845b71be52806cfeed763d6c3d09b7584035f0748a378b17c2ec483353f900bb493d9ebce37712ff9300e5a04270ac2d7f73b18763d8

  • SSDEEP

    98304:MS98W3C73cB0qPIcTtgryax+MrqGvR68Om1nLKMaNPPJmB:MM8We3Y7qJq10njMP8

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\789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3.exe
    "C:\Users\Admin\AppData\Local\Temp\789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3.exe
      "C:\Users\Admin\AppData\Local\Temp\789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3.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:4496
      • 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:2868
        • 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:4960
      • 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:208
        • 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:4328
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2096
          • 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:1876
          • 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:4812
    • 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:3436

    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

      5b6bfd5964dc18e4895c16ef8064cff8

      SHA1

      00495922ecbe5d490f3a13bc8df1495a6a260f67

      SHA256

      789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3

      SHA512

      16827ed5e89c41cb9ed5845b71be52806cfeed763d6c3d09b7584035f0748a378b17c2ec483353f900bb493d9ebce37712ff9300e5a04270ac2d7f73b18763d8

      Download Submit

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

      4.1MB

      MD5

      5b6bfd5964dc18e4895c16ef8064cff8

      SHA1

      00495922ecbe5d490f3a13bc8df1495a6a260f67

      SHA256

      789b97cb8062a6855d44baeccdc8be235c3c3e39b2d5315d848963d8c253cdb3

      SHA512

      16827ed5e89c41cb9ed5845b71be52806cfeed763d6c3d09b7584035f0748a378b17c2ec483353f900bb493d9ebce37712ff9300e5a04270ac2d7f73b18763d8

      Download Submit

    • memory/208-150-0x0000000002E00000-0x00000000031E9000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/208-155-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/208-151-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4496-147-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4496-142-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4496-140-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4496-139-0x0000000002C6A000-0x0000000003053000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4816-136-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4816-135-0x00000000029F4000-0x0000000002DDD000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4816-132-0x00000000029F4000-0x0000000002DDD000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/4816-134-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4816-133-0x0000000002DE0000-0x0000000003657000-memory.dmp

      Filesize

      8.5MB

      Download

    • memory/4816-138-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download