Overview

overview

10

Static

static

1

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2023, 18:11

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General

  • Target

    5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37.exe

  • Size

    4.0MB

  • MD5

    5e9ab34252a37b2a91a7406b997ece7d

  • SHA1

    10579e6c6122f8f44b1d5adf1e72b3dc97a91cf5

  • SHA256

    5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37

  • SHA512

    0cc948ceb9f23dff63558a9655f5b86507366aa26f2c9f5e4e8ffab58fa45acc43b454e604bba7c89f3efb2cc52c6916d1171f45426a029a0fa704c2a5c91f14

  • SSDEEP

    98304:TD3H9mOnDwuBCmrIfbH6X0bh2xTTBfsYFMFBGwo2UxZk3DL6ygK:TDxDbBTThseMuZ83H6yt

Score
10/10
gluptebadiscoverydropperevasionloaderpersistenceupx

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

    loaderdropperglupteba
  • Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 3 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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 1 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 25 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37.exe
    "C:\Users\Admin\AppData\Local\Temp\5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4772
    • C:\Users\Admin\AppData\Local\Temp\5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37.exe
      "C:\Users\Admin\AppData\Local\Temp\5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37.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:64
      • 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:4024
        • 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:724
      • 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:2444
        • 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:1308
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4604
          • 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:1472
          • 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:4556
          • C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
            4⤵
            • Executes dropped EXE
            PID:3920
            • C:\Windows\SYSTEM32\schtasks.exe
              schtasks /delete /tn "csrss" /f
              5⤵
                PID:1600
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /delete /tn "ScheduledUpdate" /f
                5⤵
                  PID:1696
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 864
              3⤵
              • Program crash
              PID:2288
        • 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:1240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 64 -ip 64
          1⤵
            PID:2300

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
                  Filesize

                  3.2MB

                  MD5

                  f801950a962ddba14caaa44bf084b55c

                  SHA1

                  7cadc9076121297428442785536ba0df2d4ae996

                  SHA256

                  c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

                  SHA512

                  4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
                  Filesize

                  3.2MB

                  MD5

                  f801950a962ddba14caaa44bf084b55c

                  SHA1

                  7cadc9076121297428442785536ba0df2d4ae996

                  SHA256

                  c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

                  SHA512

                  4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

                  Download Submit

                • C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
                  Filesize

                  99KB

                  MD5

                  09031a062610d77d685c9934318b4170

                  SHA1

                  880f744184e7774f3d14c1bb857e21cc7fe89a6d

                  SHA256

                  778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd

                  SHA512

                  9a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27

                  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:\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

                  5e9ab34252a37b2a91a7406b997ece7d

                  SHA1

                  10579e6c6122f8f44b1d5adf1e72b3dc97a91cf5

                  SHA256

                  5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37

                  SHA512

                  0cc948ceb9f23dff63558a9655f5b86507366aa26f2c9f5e4e8ffab58fa45acc43b454e604bba7c89f3efb2cc52c6916d1171f45426a029a0fa704c2a5c91f14

                  Download Submit

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

                  4.0MB

                  MD5

                  5e9ab34252a37b2a91a7406b997ece7d

                  SHA1

                  10579e6c6122f8f44b1d5adf1e72b3dc97a91cf5

                  SHA256

                  5efc572151aad66d89985a1f38c8c8d878a7bb98b9390c1329d290f3d4192b37

                  SHA512

                  0cc948ceb9f23dff63558a9655f5b86507366aa26f2c9f5e4e8ffab58fa45acc43b454e604bba7c89f3efb2cc52c6916d1171f45426a029a0fa704c2a5c91f14

                  Download Submit

                • memory/64-140-0x00000000029E6000-0x0000000002DCF000-memory.dmp

                  Filesize

                  3.9MB

                  Download

                • memory/64-145-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/64-141-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/2444-159-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/2444-147-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/2444-154-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/2444-146-0x0000000002E00000-0x00000000031E9000-memory.dmp

                  Filesize

                  3.9MB

                  Download

                • memory/3920-164-0x0000000000400000-0x0000000000C25000-memory.dmp

                  Filesize

                  8.1MB

                  Download

                • memory/3920-162-0x0000000000400000-0x0000000000C25000-memory.dmp

                  Filesize

                  8.1MB

                  Download

                • memory/3920-157-0x0000000000400000-0x0000000000C25000-memory.dmp

                  Filesize

                  8.1MB

                  Download

                • memory/4772-134-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/4772-136-0x0000000000400000-0x0000000000C91000-memory.dmp

                  Filesize

                  8.6MB

                  Download

                • memory/4772-132-0x0000000002C1A000-0x0000000003003000-memory.dmp

                  Filesize

                  3.9MB

                  Download

                • memory/4772-133-0x0000000003010000-0x0000000003887000-memory.dmp

                  Filesize

                  8.5MB

                  Download

                • memory/4772-137-0x0000000003010000-0x0000000003887000-memory.dmp

                  Filesize

                  8.5MB

                  Download