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
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2023 00:54

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General

  • Target

    44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6.exe

  • Size

    4.0MB

  • MD5

    6d2913e6914b75b8b84868adebb2890f

  • SHA1

    5f96394cf4fb4fc22dad7f533dfcd44080960c67

  • SHA256

    44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6

  • SHA512

    3ecb3c50ead366ddc350ba5be52cd4c2a894d4a2efe1d40fbaf0fb9aebabf5379ca9beca1aaee147b4f20b2cf75321d64f03ff2cc0f5cceda9940ee539223f38

  • SSDEEP

    98304:5AEP08IlO5HIyHblLw4/BP/sCf9zhVR3d5BVBo9QdBKJUYF86xEC:5c8EO5HIy79V/dFWJP

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\44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6.exe
    "C:\Users\Admin\AppData\Local\Temp\44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6.exe
      "C:\Users\Admin\AppData\Local\Temp\44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6.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:4944
      • 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:3528
        • 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:4600
      • 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:2960
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2352
          • 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:4000
          • 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:2368
          • 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:1172
    • 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:920

    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

      6d2913e6914b75b8b84868adebb2890f

      SHA1

      5f96394cf4fb4fc22dad7f533dfcd44080960c67

      SHA256

      44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6

      SHA512

      3ecb3c50ead366ddc350ba5be52cd4c2a894d4a2efe1d40fbaf0fb9aebabf5379ca9beca1aaee147b4f20b2cf75321d64f03ff2cc0f5cceda9940ee539223f38

      Download Submit

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

      4.0MB

      MD5

      6d2913e6914b75b8b84868adebb2890f

      SHA1

      5f96394cf4fb4fc22dad7f533dfcd44080960c67

      SHA256

      44939ab48a15374dc6c92a1070910a4c5dc632f9e503d6e0eff3d03218f267b6

      SHA512

      3ecb3c50ead366ddc350ba5be52cd4c2a894d4a2efe1d40fbaf0fb9aebabf5379ca9beca1aaee147b4f20b2cf75321d64f03ff2cc0f5cceda9940ee539223f38

      Download Submit

    • memory/1508-136-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/1508-132-0x0000000002AF9000-0x0000000002EE2000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/1508-134-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/1508-133-0x0000000002EF0000-0x0000000003767000-memory.dmp

      Filesize

      8.5MB

      Download

    • memory/2960-154-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/2960-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

      Filesize

      3.9MB

      Download

    • memory/2960-146-0x0000000003200000-0x0000000003A77000-memory.dmp

      Filesize

      8.5MB

      Download

    • memory/2960-149-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4944-144-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4944-139-0x0000000000400000-0x0000000000C91000-memory.dmp

      Filesize

      8.6MB

      Download

    • memory/4944-138-0x00000000029AE000-0x0000000002D97000-memory.dmp

      Filesize

      3.9MB

      Download