Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2025, 05:52

General

  • Target

    d6f9daa871e1af6873b898635363d5611b1cf8ca0ba9c51f62de66e50968f4e3.exe

  • Size

    13.0MB

  • MD5

    052e6c9ecc981ec7eb737791638d320b

  • SHA1

    1a801514e5ebda86608f88fae7b50a688b4d2607

  • SHA256

    d6f9daa871e1af6873b898635363d5611b1cf8ca0ba9c51f62de66e50968f4e3

  • SHA512

    0d9b3f3f8ba39cb5e85713803f7e5dca9102c3fb63dc53e73d9b972b4fecb4ad5ce5449155f51d506b19ba0dd3a9d35715891760d583b08c68ce6be6ab997229

  • SSDEEP

    393216:7jRgcXRN1bJp2Zd6lEKhFWySnmc3l4+SBrvMMiJe5:ZgcXRN1bJp2CvWySnmc3l4+SBrvMK

Malware Config

Signatures

  • Glupteba

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

  • Glupteba family
  • Glupteba payload 15 IoCs
  • Windows security bypass 2 TTPs 7 IoCs
  • Modifies boot configuration data using bcdedit 14 IoCs
  • Drops file in Drivers directory 1 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.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 16 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Manipulates WinMon driver. 1 IoCs

    Roottkits write to WinMon to hide PIDs from being detected.

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 3 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6f9daa871e1af6873b898635363d5611b1cf8ca0ba9c51f62de66e50968f4e3.exe
    "C:\Users\Admin\AppData\Local\Temp\d6f9daa871e1af6873b898635363d5611b1cf8ca0ba9c51f62de66e50968f4e3.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\ytool\zrv9KF0836dzGqo.exe
      "C:\Users\Admin\AppData\Local\Temp\d6f9daa871e1af6873b898635363d5611b1cf8ca0ba9c51f62de66e50968f4e3.exe" "C:\Users\Admin\AppData\Local\Temp\d6f9daa871e1af6873b898635363d5611b1cf8ca0ba9c51f62de66e50968f4e3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Users\Admin\AppData\Local\Temp\烽火合击.exe
        C:\Users\Admin\AppData\Local\Temp\烽火合击.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2908
        • C:\Users\Admin\AppData\Local\Temp\烽火合击.exe
          "C:\Users\Admin\AppData\Local\Temp\烽火合击.exe"
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Windows security modification
          • Adds Run key to start application
          • Checks for VirtualBox DLLs, possible anti-VM trick
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:552
          • 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"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:580
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
              6⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              • Modifies data under HKEY_USERS
              PID:332
          • C:\Windows\rss\csrss.exe
            C:\Windows\rss\csrss.exe
            5⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Manipulates WinMon driver.
            • Manipulates WinMonFS driver.
            • System Location Discovery: System Language Discovery
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1896
            • C:\Windows\system32\schtasks.exe
              schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2996
            • C:\Windows\system32\schtasks.exe
              schtasks /delete /tn ScheduledUpdate /f
              6⤵
                PID:1012
              • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Modifies system certificate store
                • Suspicious use of WriteProcessMemory
                PID:2588
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:1600
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:1528
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2156
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2528
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2488
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2256
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 0
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2768
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2740
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 1
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2724
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2664
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2624
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -timeout 0
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2948
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2648
              • 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
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:992
              • C:\Windows\system32\bcdedit.exe
                C:\Windows\Sysnative\bcdedit.exe /v
                6⤵
                • Modifies boot configuration data using bcdedit
                PID:2504
              • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
                6⤵
                • Executes dropped EXE
                PID:2672
              • C:\Windows\system32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                6⤵
                • Scheduled Task/Job: Scheduled Task
                PID:328
    • C:\Windows\system32\makecab.exe
      "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20250315055216.log C:\Windows\Logs\CBS\CbsPersist_20250315055216.cab
      1⤵
      • Drops file in Windows directory
      PID:2088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Symbols\ntkrnlmp.pdb\AAF33CF37E194E98957768CF9C02DE8E2\download.error

      Filesize

      8.3MB

      MD5

      fd2727132edd0b59fa33733daa11d9ef

      SHA1

      63e36198d90c4c2b9b09dd6786b82aba5f03d29a

      SHA256

      3a72dbedc490773f90e241c8b3b839383a63ce36426a4f330a0f754b14b4d23e

      SHA512

      3e251be7d0e8db92d50092a4c4be3c74f42f3d564c72981f43a8e0fe06427513bfa0f67821a61a503a4f85741f0b150280389f8f4b4f01cdfd98edce5af29e6e

    • C:\Users\Admin\AppData\Local\Temp\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error

      Filesize

      492KB

      MD5

      fafbf2197151d5ce947872a4b0bcbe16

      SHA1

      a86eaa2dd9fc6d36fcfb41df7ead8d1166aea020

      SHA256

      feb122b7916a1e62a7a6ae8d25ea48a2efc86f6e6384f5526e18ffbfc5f5ff71

      SHA512

      acbd49a111704d001a4ae44d1a071d566452f92311c5c0099d57548eddc9b3393224792c602022df5c3dd19b0a1fb4eff965bf038c8783ae109336699f9d13f6

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

      Filesize

      281KB

      MD5

      d98e33b66343e7c96158444127a117f6

      SHA1

      bb716c5509a2bf345c6c1152f6e3e1452d39d50d

      SHA256

      5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

      SHA512

      705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

    • C:\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe

      Filesize

      5.3MB

      MD5

      1afff8d5352aecef2ecd47ffa02d7f7d

      SHA1

      8b115b84efdb3a1b87f750d35822b2609e665bef

      SHA256

      c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

      SHA512

      e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

    • C:\Users\Admin\AppData\Local\Temp\osloader.exe

      Filesize

      591KB

      MD5

      e2f68dc7fbd6e0bf031ca3809a739346

      SHA1

      9c35494898e65c8a62887f28e04c0359ab6f63f5

      SHA256

      b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4

      SHA512

      26256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579

    • \Users\Admin\AppData\Local\Temp\csrss\dsefix.exe

      Filesize

      94KB

      MD5

      d98e78fd57db58a11f880b45bb659767

      SHA1

      ab70c0d3bd9103c07632eeecee9f51d198ed0e76

      SHA256

      414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

      SHA512

      aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

    • \Users\Admin\AppData\Local\Temp\csrss\patch.exe

      Filesize

      1.7MB

      MD5

      13aaafe14eb60d6a718230e82c671d57

      SHA1

      e039dd924d12f264521b8e689426fb7ca95a0a7b

      SHA256

      f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

      SHA512

      ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

    • \Users\Admin\AppData\Local\Temp\dbghelp.dll

      Filesize

      1.5MB

      MD5

      f0616fa8bc54ece07e3107057f74e4db

      SHA1

      b33995c4f9a004b7d806c4bb36040ee844781fca

      SHA256

      6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

      SHA512

      15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

    • \Users\Admin\AppData\Local\Temp\symsrv.dll

      Filesize

      163KB

      MD5

      5c399d34d8dc01741269ff1f1aca7554

      SHA1

      e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

      SHA256

      e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

      SHA512

      8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

    • \Users\Admin\AppData\Local\Temp\ytool\zrv9KF0836dzGqo.exe

      Filesize

      5.5MB

      MD5

      576fe22c87dfd0ff96f8ae84e55c7b8d

      SHA1

      353f580c885df96c39bf392b3d9080f524a01535

      SHA256

      07c7f157843e8ea2613f300c4ecf4193b249e8b207a5a4e50e2a230baf8f1028

      SHA512

      7023f60dfffd9b263220bb9d8ef6c16c14f09e47e8d441401d1d56884c4d8f3610017a9e7eb5c634554a923ed6f87a16bb6154abc4bf0a2c39bb5ef7eff5b5eb

    • \Users\Admin\AppData\Local\Temp\烽火合击.exe

      Filesize

      4.1MB

      MD5

      bf4f6b1cb7b18366585309cb7331e356

      SHA1

      6a03f4f11301ce9f5b9090d4229b9863d7dbe8ae

      SHA256

      ce783f58d78f69218cbcdcf3db34ebdca2e7519a8fcb950b007dc0e78dc188d4

      SHA512

      96b33e745be6de16259ab3950ac0f9ecee706fd0faefb51142fc0a60b808d80fd294371af8acebc81b088d056d152c687db66da19fca83b976c422e9607d2d18

    • memory/552-20-0x00000000032C0000-0x00000000036A9000-memory.dmp

      Filesize

      3.9MB

    • memory/552-42-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-82-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-118-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-86-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-126-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-41-0x00000000030B0000-0x0000000003499000-memory.dmp

      Filesize

      3.9MB

    • memory/1896-97-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-125-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-124-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-117-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-123-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-119-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-120-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-121-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/1896-122-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB

    • memory/2588-63-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/2588-49-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/2908-18-0x0000000003220000-0x0000000003609000-memory.dmp

      Filesize

      3.9MB

    • memory/2908-21-0x0000000000400000-0x0000000002FFC000-memory.dmp

      Filesize

      44.0MB