Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22/09/2023, 05:12

General

  • Target

    24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe

  • Size

    4.1MB

  • MD5

    3eb71040bc91b8c1fbb0568233fb9c14

  • SHA1

    37cd96b56d9b89e6c7f5cdc4e614be9646a1909c

  • SHA256

    24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda

  • SHA512

    e226308f3f5611c208039f6103883e13952758c2a9952ab2eabd61e91bcf2266a1fa43d6dfa90120d70815dad1b844d6812ad76dfb57aeb7ea360efe9d149983

  • SSDEEP

    98304:K1x3Q/VwwSYt94YcWJjACvETcteichLVrFLLHVmNx3/:QeHS0m1HCs4IVrZLHwNxv

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 22 IoCs
  • Windows security bypass 2 TTPs 7 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 2 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 WinMonFS driver. 1 IoCs

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

  • Drops file in System32 directory 7 IoCs
  • 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 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 10 IoCs
  • Suspicious use of WriteProcessMemory 30 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\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe
    "C:\Users\Admin\AppData\Local\Temp\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4104
    • C:\Users\Admin\AppData\Local\Temp\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe
      "C:\Users\Admin\AppData\Local\Temp\24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda.exe"
      2⤵
      • Windows security bypass
      • Windows security modification
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3496
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4260
      • 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:436
        • 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:316
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1032
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:424
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5000
        • 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:5072
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5088
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3972
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5028
          • 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:4900
          • 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:4644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xsa2riri.pv1.ps1

      Filesize

      1B

      MD5

      c4ca4238a0b923820dcc509a6f75849b

      SHA1

      356a192b7913b04c54574d18c28d46e6395428ab

      SHA256

      6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

      SHA512

      4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

    • 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\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      db01a2c1c7e70b2b038edf8ad5ad9826

      SHA1

      540217c647a73bad8d8a79e3a0f3998b5abd199b

      SHA256

      413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d

      SHA512

      c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      18KB

      MD5

      b4b05b52a8f66c7494ce9a9252679cad

      SHA1

      e364248258791030ad48a3d22fabbae269623c3c

      SHA256

      24e0fae21a9e18f9cbc1c6a63b6c84c46e5f6b6cc5ed02fc46d1ea57b93a619e

      SHA512

      1e62e44c0850d942bd0c2783930f06b6b9cf8aef83d28cc8e55ae6b516d7559f5e79fd122c244a3b1395f40a6dde49caf16688e3e46b76a59384f4b695b84064

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      18KB

      MD5

      5a6d8b2bf3e4f9a233527428b74ab8ce

      SHA1

      36151820fc5898ca134248e40404d079c28514b7

      SHA256

      d74bc2380143bda481d6ad2cbfe5803998701b6163b8b08408907e377988e729

      SHA512

      2e6b302b2974286380243f10080ed30d59aaeec8f8c80dac0aa6945f170d97cbf3bc4c8a8fd44022eaf6c08227ccdface7ae3c0b98b66b99be9dcf82f70e9a6e

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      18KB

      MD5

      0e7c015feb8ba1748e7a3e6d1ef07a11

      SHA1

      055ef554582f6e6e0afb8d35d00cd229bc94c554

      SHA256

      f80e423935fac235238734a3d0c09899e730ac80748d8216463e4184d6a9c6b6

      SHA512

      e68e252b9f0478f5916ec5ad2862718b1b17ebcfd6df29699695e803c70911f22e721bd4e37b275c9cd0214469608ebd13182b234480bc835d3b3454baf040f0

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      18KB

      MD5

      c7aea93fd88c1b476f4313a3394480d3

      SHA1

      24f97e8a64d75e6f2876408c0f5697178daa7a2b

      SHA256

      bdc454395b29c38259e990d8024e380d23f14a02da2a1f0dd45a38e16f981bd1

      SHA512

      3b73ce86a8c3a751d8ce5c0e7b97b0b7d7264ad4d884e7974b8dc8388f702d5c2014a8c13a209b55971fb2bda168efa9e01a5f89e4292d9286407680e59c6a28

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      18KB

      MD5

      6e31611d3a59b52cc16e46d7319ce28b

      SHA1

      d34249a2d4e2cd1eeb4c73b972623675b5300e4a

      SHA256

      11b0de3957c5adb85920c3fb43d25073e1377bdf21bdf8a21b95b5a8d24c52f6

      SHA512

      2da987d4bb87f7b4f55955647ea35f57c791b9fb923b3045b38379e520c93b04c7e1ddc5a744932db6d7fda3f082abf5e9eaf54d77da9c74f459420256a581f5

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      3eb71040bc91b8c1fbb0568233fb9c14

      SHA1

      37cd96b56d9b89e6c7f5cdc4e614be9646a1909c

      SHA256

      24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda

      SHA512

      e226308f3f5611c208039f6103883e13952758c2a9952ab2eabd61e91bcf2266a1fa43d6dfa90120d70815dad1b844d6812ad76dfb57aeb7ea360efe9d149983

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      3eb71040bc91b8c1fbb0568233fb9c14

      SHA1

      37cd96b56d9b89e6c7f5cdc4e614be9646a1909c

      SHA256

      24aec3d190118b2444ff565edfa5027ecf30b57abc19c33eaa0da2e219ca0bda

      SHA512

      e226308f3f5611c208039f6103883e13952758c2a9952ab2eabd61e91bcf2266a1fa43d6dfa90120d70815dad1b844d6812ad76dfb57aeb7ea360efe9d149983

    • memory/424-1052-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1154-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1797-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1646-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1798-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1799-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1800-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1804-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1803-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1802-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1801-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/424-1051-0x0000000002F00000-0x00000000032F8000-memory.dmp

      Filesize

      4.0MB

    • memory/1032-561-0x0000000006E50000-0x0000000006E60000-memory.dmp

      Filesize

      64KB

    • memory/1032-587-0x0000000006E50000-0x0000000006E60000-memory.dmp

      Filesize

      64KB

    • memory/1032-581-0x0000000070540000-0x000000007058B000-memory.dmp

      Filesize

      300KB

    • memory/1032-560-0x0000000073810000-0x0000000073EFE000-memory.dmp

      Filesize

      6.9MB

    • memory/1032-800-0x0000000073810000-0x0000000073EFE000-memory.dmp

      Filesize

      6.9MB

    • memory/1032-582-0x0000000070590000-0x00000000708E0000-memory.dmp

      Filesize

      3.3MB

    • memory/1936-69-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/1936-14-0x0000000002C30000-0x0000000003028000-memory.dmp

      Filesize

      4.0MB

    • memory/1936-2-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/1936-304-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/1936-1-0x0000000003030000-0x000000000391B000-memory.dmp

      Filesize

      8.9MB

    • memory/1936-0-0x0000000002C30000-0x0000000003028000-memory.dmp

      Filesize

      4.0MB

    • memory/1936-70-0x0000000003030000-0x000000000391B000-memory.dmp

      Filesize

      8.9MB

    • memory/2772-827-0x0000000070590000-0x00000000708E0000-memory.dmp

      Filesize

      3.3MB

    • memory/2772-832-0x0000000007670000-0x0000000007680000-memory.dmp

      Filesize

      64KB

    • memory/2772-805-0x0000000007670000-0x0000000007680000-memory.dmp

      Filesize

      64KB

    • memory/2772-804-0x0000000007670000-0x0000000007680000-memory.dmp

      Filesize

      64KB

    • memory/2772-803-0x0000000073810000-0x0000000073EFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2772-1045-0x0000000073810000-0x0000000073EFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2772-826-0x0000000070540000-0x000000007058B000-memory.dmp

      Filesize

      300KB

    • memory/3496-305-0x0000000002A10000-0x0000000002E08000-memory.dmp

      Filesize

      4.0MB

    • memory/3496-306-0x0000000002E10000-0x00000000036FB000-memory.dmp

      Filesize

      8.9MB

    • memory/3496-545-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/3496-807-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/3496-556-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/3496-307-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/3496-1050-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4104-77-0x0000000070420000-0x000000007046B000-memory.dmp

      Filesize

      300KB

    • memory/4104-35-0x00000000098C0000-0x00000000098FC000-memory.dmp

      Filesize

      240KB

    • memory/4104-6-0x0000000073710000-0x0000000073DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4104-5-0x0000000005300000-0x0000000005336000-memory.dmp

      Filesize

      216KB

    • memory/4104-7-0x0000000007420000-0x0000000007430000-memory.dmp

      Filesize

      64KB

    • memory/4104-8-0x0000000007420000-0x0000000007430000-memory.dmp

      Filesize

      64KB

    • memory/4104-9-0x0000000007A60000-0x0000000008088000-memory.dmp

      Filesize

      6.2MB

    • memory/4104-10-0x0000000008090000-0x00000000080B2000-memory.dmp

      Filesize

      136KB

    • memory/4104-11-0x0000000008130000-0x0000000008196000-memory.dmp

      Filesize

      408KB

    • memory/4104-12-0x0000000008380000-0x00000000083E6000-memory.dmp

      Filesize

      408KB

    • memory/4104-13-0x00000000084C0000-0x0000000008810000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-303-0x0000000073710000-0x0000000073DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4104-285-0x000000000A920000-0x000000000A928000-memory.dmp

      Filesize

      32KB

    • memory/4104-280-0x000000000A930000-0x000000000A94A000-memory.dmp

      Filesize

      104KB

    • memory/4104-87-0x000000000A9B0000-0x000000000AA44000-memory.dmp

      Filesize

      592KB

    • memory/4104-86-0x0000000007420000-0x0000000007430000-memory.dmp

      Filesize

      64KB

    • memory/4104-85-0x0000000073710000-0x0000000073DFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4104-84-0x000000000A7F0000-0x000000000A895000-memory.dmp

      Filesize

      660KB

    • memory/4104-79-0x000000000A770000-0x000000000A78E000-memory.dmp

      Filesize

      120KB

    • memory/4104-78-0x0000000070470000-0x00000000707C0000-memory.dmp

      Filesize

      3.3MB

    • memory/4104-15-0x0000000008470000-0x000000000848C000-memory.dmp

      Filesize

      112KB

    • memory/4104-16-0x0000000008D60000-0x0000000008DAB000-memory.dmp

      Filesize

      300KB

    • memory/4104-76-0x000000000A7B0000-0x000000000A7E3000-memory.dmp

      Filesize

      204KB

    • memory/4104-66-0x0000000009980000-0x00000000099F6000-memory.dmp

      Filesize

      472KB

    • memory/4104-75-0x000000007E490000-0x000000007E4A0000-memory.dmp

      Filesize

      64KB

    • memory/4260-310-0x0000000073810000-0x0000000073EFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4260-311-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

    • memory/4260-340-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

    • memory/4260-555-0x0000000073810000-0x0000000073EFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4260-339-0x0000000009930000-0x00000000099D5000-memory.dmp

      Filesize

      660KB

    • memory/4260-334-0x0000000070590000-0x00000000708E0000-memory.dmp

      Filesize

      3.3MB

    • memory/4260-333-0x0000000070540000-0x000000007058B000-memory.dmp

      Filesize

      300KB

    • memory/4260-314-0x00000000085E0000-0x000000000862B000-memory.dmp

      Filesize

      300KB

    • memory/4260-312-0x0000000003350000-0x0000000003360000-memory.dmp

      Filesize

      64KB

    • memory/4260-313-0x0000000008040000-0x0000000008390000-memory.dmp

      Filesize

      3.3MB

    • memory/5000-1078-0x00000000704A0000-0x00000000704EB000-memory.dmp

      Filesize

      300KB

    • memory/5000-1077-0x000000007F450000-0x000000007F460000-memory.dmp

      Filesize

      64KB

    • memory/5000-1055-0x0000000073770000-0x0000000073E5E000-memory.dmp

      Filesize

      6.9MB

    • memory/5000-1056-0x0000000007AC0000-0x0000000007E10000-memory.dmp

      Filesize

      3.3MB

    • memory/5000-1058-0x0000000008440000-0x000000000848B000-memory.dmp

      Filesize

      300KB