Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02-02-2023 17:08

General

  • Target

    96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9.exe

  • Size

    4MB

  • MD5

    0ce62574f0d9044323fd32cec2c564bd

  • SHA1

    b84c4d7c12250e348674226284450e6bdfbd44bb

  • SHA256

    96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9

  • SHA512

    d63f218f1a5bb96dab7fc20ba9e18d73460016e2bd04a063f678cc6abb97f82bf0163f6e1eb3bbeb0d62a4d8cd1234bb5f42c24d7a8c0d867a2df4c945afb4a0

  • SSDEEP

    98304:5foflnI/gx3QUZTRzDrqIeKSsp++PY4DaUKLjWhfSsGwjxyZqb7R:NYlnGSQUZ3epsppPYLr/KffXjxXR

Malware Config

Signatures

  • Glupteba

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

  • Windows security bypass 2 TTPs 7 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 5 IoCs

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

  • 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.

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9.exe
    "C:\Users\Admin\AppData\Local\Temp\96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4200
    • C:\Users\Admin\AppData\Local\Temp\96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9.exe
      "C:\Users\Admin\AppData\Local\Temp\96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9.exe"
      2⤵
      • Windows security bypass
      • Windows security modification
      • Adds Run key to start application
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1084
      • 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:3164
        • 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
          • Modifies data under HKEY_USERS
          PID:4676
      • 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:4464
        • 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:2120
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2020
          • 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:3324
          • 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:1064
          • C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
            4⤵
            • Executes dropped EXE
            PID:4360
            • C:\Windows\SYSTEM32\schtasks.exe
              schtasks /delete /tn "csrss" /f
              5⤵
                PID:1976
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /delete /tn "ScheduledUpdate" /f
                5⤵
                  PID:1136

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Modify Existing Service

        1
        T1031

        Registry Run Keys / Startup Folder

        1
        T1060

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Defense Evasion

        Disabling Security Tools

        2
        T1089

        Modify Registry

        3
        T1112

        Discovery

        Query Registry

        1
        T1012

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          3MB

          MD5

          f801950a962ddba14caaa44bf084b55c

          SHA1

          7cadc9076121297428442785536ba0df2d4ae996

          SHA256

          c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

          SHA512

          4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

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

          3MB

          MD5

          f801950a962ddba14caaa44bf084b55c

          SHA1

          7cadc9076121297428442785536ba0df2d4ae996

          SHA256

          c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

          SHA512

          4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

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

          99KB

          MD5

          09031a062610d77d685c9934318b4170

          SHA1

          880f744184e7774f3d14c1bb857e21cc7fe89a6d

          SHA256

          778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd

          SHA512

          9a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27

        • 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\csrss\injector\injector.exe
          Filesize

          281KB

          MD5

          d98e33b66343e7c96158444127a117f6

          SHA1

          bb716c5509a2bf345c6c1152f6e3e1452d39d50d

          SHA256

          5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

          SHA512

          705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

          4MB

          MD5

          0ce62574f0d9044323fd32cec2c564bd

          SHA1

          b84c4d7c12250e348674226284450e6bdfbd44bb

          SHA256

          96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9

          SHA512

          d63f218f1a5bb96dab7fc20ba9e18d73460016e2bd04a063f678cc6abb97f82bf0163f6e1eb3bbeb0d62a4d8cd1234bb5f42c24d7a8c0d867a2df4c945afb4a0

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

          4MB

          MD5

          0ce62574f0d9044323fd32cec2c564bd

          SHA1

          b84c4d7c12250e348674226284450e6bdfbd44bb

          SHA256

          96edc9a53833e577df9f53dedac2d1c08b98bce186135749e9d10c791db8aec9

          SHA512

          d63f218f1a5bb96dab7fc20ba9e18d73460016e2bd04a063f678cc6abb97f82bf0163f6e1eb3bbeb0d62a4d8cd1234bb5f42c24d7a8c0d867a2df4c945afb4a0

        • memory/1084-284-0x0000000002A10000-0x0000000002E04000-memory.dmp
          Filesize

          3MB

        • memory/1084-286-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/1084-301-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/3164-293-0x0000000000000000-mapping.dmp
        • memory/3324-372-0x0000000000000000-mapping.dmp
        • memory/4200-156-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-163-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-125-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-126-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-127-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-128-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-129-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-130-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-132-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-133-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-134-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-136-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-137-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-138-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-135-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-131-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-140-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-141-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-142-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-144-0x0000000002BE0000-0x0000000002FCF000-memory.dmp
          Filesize

          3MB

        • memory/4200-143-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-145-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-146-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-148-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-147-0x0000000002FD0000-0x0000000003847000-memory.dmp
          Filesize

          8MB

        • memory/4200-149-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/4200-150-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-151-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-152-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-153-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-154-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-155-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-123-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-157-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-158-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-159-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-160-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-161-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-162-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-124-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-164-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-165-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-166-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-167-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-168-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-169-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-170-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-171-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-172-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-173-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-174-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-175-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-176-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-177-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-178-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-179-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-180-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-181-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-182-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-240-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/4200-122-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-121-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-115-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-116-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-117-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-120-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-119-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4200-118-0x0000000076FB0000-0x000000007713E000-memory.dmp
          Filesize

          1MB

        • memory/4360-406-0x0000000000000000-mapping.dmp
        • memory/4360-415-0x0000000000400000-0x0000000000C25000-memory.dmp
          Filesize

          8MB

        • memory/4360-457-0x0000000000400000-0x0000000000C25000-memory.dmp
          Filesize

          8MB

        • memory/4360-459-0x0000000000400000-0x0000000000C25000-memory.dmp
          Filesize

          8MB

        • memory/4464-378-0x0000000003000000-0x00000000033EA000-memory.dmp
          Filesize

          3MB

        • memory/4464-379-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/4464-349-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/4464-347-0x0000000003000000-0x00000000033EA000-memory.dmp
          Filesize

          3MB

        • memory/4464-444-0x0000000000400000-0x0000000000C91000-memory.dmp
          Filesize

          8MB

        • memory/4464-296-0x0000000000000000-mapping.dmp
        • memory/4676-294-0x0000000000000000-mapping.dmp