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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30/09/2023, 11:48

General

  • Target

    badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4.exe

  • Size

    4.1MB

  • MD5

    c03d424a7e4e44b0068dfe1a06262163

  • SHA1

    13208ed3e42aca05a8ba9d345a0d05231dd465d8

  • SHA256

    badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4

  • SHA512

    3727517a60fa195086eb6ec50582f5f56be0082d7621ab15fe8ff7e2542d4545bfd011af26077be765fe2dbf517138b6a04f22dc0cc921e2df481f4b44e9578a

  • SSDEEP

    49152:Evvs6bgkKPFLz+yPjob5CC1GsZg828PJ+wmn4g4LQNHVzn+PX/UHHwA9mwiWCqHC:EvvsOKhr8wqcnXlHt+GHjq1yqzeqsU

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 19 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\badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4.exe
    "C:\Users\Admin\AppData\Local\Temp\badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4492
    • C:\Users\Admin\AppData\Local\Temp\badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4.exe
      "C:\Users\Admin\AppData\Local\Temp\badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4.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:656
      • 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:1808
      • 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:1148
        • 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:4140
      • 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:4084
      • 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:3476
      • 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:4420
        • 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:3480
        • 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:3896
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4600
          • 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:4448
          • 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:3760
          • 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:4380
          • 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:3592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f3nbvo2u.hss.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

      1c19c16e21c97ed42d5beabc93391fc5

      SHA1

      8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

      SHA256

      1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

      SHA512

      7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

      Filesize

      18KB

      MD5

      cbdaf90818dc36ca326d2bad21d5c117

      SHA1

      c27a9a76d23b53accfec206042ade771000d5ff2

      SHA256

      0b8388165175bb6c0147076ee11df5a2697a17656756a3f98a73541c5abc2bb1

      SHA512

      74bc5eecdef136e5a076b6062a461b801be97beb557039f5e138da29fb1f710a1cf57ed112b7d85275c50a2715cab6893977ddb5873b68d74476618df6a2649c

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

      Filesize

      18KB

      MD5

      34428604721b5e037555dcf1cf7de2e6

      SHA1

      164c149a04db0a99398d7502067fa79b0aed4d4d

      SHA256

      7b47a36f0c07e9516fcde79e228b0da4cc80e4e2077142b2304a5f4367b27386

      SHA512

      e9c7183a5b5d91582088243e4fcfc4d4dc70a24ec1eec8c4aa926a664946ede03ee7959a4eb8bc1dc09ebea20ce71f345a677f0bb6604e9bd3216f2e3df4f817

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

      Filesize

      18KB

      MD5

      406a11a0625709802ff6add527e6af9e

      SHA1

      bf220840c4911d6e19dcbfae00c581f8058958c4

      SHA256

      0aacb0259ec56fa6f2f5abffee7e9860762315725301c398534e1e92879653af

      SHA512

      90ab67e0be4139c45b66669d9d429e1520410f36709a89d1fae412f0f130f646e2da10dd75078b0949f927bd234a5b8245a7b26afa27c9b36845e76152fe3f8e

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

      Filesize

      18KB

      MD5

      33641a6b8abaf0f527eeda9963955004

      SHA1

      cad419a1cc37d30ad4c16eb64738db0f38e30d5f

      SHA256

      93bab78757848c766cb4e81f3d1d497c718608293daa4961bfa0f59ed323fa9a

      SHA512

      87c496959390994a6a7df2cce79061a1d1901b724a93a03e67da72f62346a8bfa859d78c15334b6ee09a6be74583898dec8915675777da923bf035f9452c058d

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

      Filesize

      18KB

      MD5

      45281bd80610fd313cf78fc0a4fbe56d

      SHA1

      138b58f1500083a80d99e994861f725e7208928f

      SHA256

      7d1a74543f347ee041b5eb5db3731ebd8db172090e650dcf6234a2312d074984

      SHA512

      2624fa58a735dc2ff16237c4ae4635c7d628300f09373742b6738605cf586845968d1f84921b1c892390a139930ee43ec150477a654ab892d9408aee4bf6f821

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      c03d424a7e4e44b0068dfe1a06262163

      SHA1

      13208ed3e42aca05a8ba9d345a0d05231dd465d8

      SHA256

      badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4

      SHA512

      3727517a60fa195086eb6ec50582f5f56be0082d7621ab15fe8ff7e2542d4545bfd011af26077be765fe2dbf517138b6a04f22dc0cc921e2df481f4b44e9578a

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      c03d424a7e4e44b0068dfe1a06262163

      SHA1

      13208ed3e42aca05a8ba9d345a0d05231dd465d8

      SHA256

      badd5a97600ae7232e658ab619332bcdff62cce5e83c5067d5dc6150488a6bf4

      SHA512

      3727517a60fa195086eb6ec50582f5f56be0082d7621ab15fe8ff7e2542d4545bfd011af26077be765fe2dbf517138b6a04f22dc0cc921e2df481f4b44e9578a

    • memory/656-1052-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/656-827-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/656-307-0x0000000002B60000-0x0000000002F58000-memory.dmp

      Filesize

      4.0MB

    • memory/656-496-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/656-308-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/1808-336-0x0000000070660000-0x00000000709B0000-memory.dmp

      Filesize

      3.3MB

    • memory/1808-341-0x0000000009520000-0x00000000095C5000-memory.dmp

      Filesize

      660KB

    • memory/1808-312-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1808-313-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1808-314-0x0000000007B90000-0x0000000007EE0000-memory.dmp

      Filesize

      3.3MB

    • memory/1808-315-0x00000000084D0000-0x000000000851B000-memory.dmp

      Filesize

      300KB

    • memory/1808-311-0x00000000738E0000-0x0000000073FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/1808-335-0x000000007E480000-0x000000007E490000-memory.dmp

      Filesize

      64KB

    • memory/1808-334-0x0000000070610000-0x000000007065B000-memory.dmp

      Filesize

      300KB

    • memory/1808-558-0x00000000738E0000-0x0000000073FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/1808-342-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/3476-834-0x0000000002E10000-0x0000000002E20000-memory.dmp

      Filesize

      64KB

    • memory/3476-1047-0x00000000738E0000-0x0000000073FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/3476-828-0x0000000070610000-0x000000007065B000-memory.dmp

      Filesize

      300KB

    • memory/3476-805-0x00000000738E0000-0x0000000073FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/3476-806-0x0000000002E10000-0x0000000002E20000-memory.dmp

      Filesize

      64KB

    • memory/3476-807-0x0000000002E10000-0x0000000002E20000-memory.dmp

      Filesize

      64KB

    • memory/3476-829-0x0000000070660000-0x00000000709B0000-memory.dmp

      Filesize

      3.3MB

    • memory/3480-1059-0x0000000006820000-0x0000000006830000-memory.dmp

      Filesize

      64KB

    • memory/3480-1058-0x0000000006820000-0x0000000006830000-memory.dmp

      Filesize

      64KB

    • memory/3480-1057-0x0000000073840000-0x0000000073F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4084-562-0x00000000738E0000-0x0000000073FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/4084-563-0x0000000007200000-0x0000000007210000-memory.dmp

      Filesize

      64KB

    • memory/4084-802-0x00000000738E0000-0x0000000073FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/4084-589-0x0000000007200000-0x0000000007210000-memory.dmp

      Filesize

      64KB

    • memory/4084-584-0x0000000070660000-0x00000000709B0000-memory.dmp

      Filesize

      3.3MB

    • memory/4084-583-0x0000000070610000-0x000000007065B000-memory.dmp

      Filesize

      300KB

    • memory/4420-1650-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1804-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1807-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1806-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1053-0x0000000002E00000-0x00000000031F8000-memory.dmp

      Filesize

      4.0MB

    • memory/4420-1801-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1802-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1803-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1805-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1054-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4420-1302-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4484-38-0x0000000002DD0000-0x00000000036BB000-memory.dmp

      Filesize

      8.9MB

    • memory/4484-306-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4484-0-0x00000000029D0000-0x0000000002DC8000-memory.dmp

      Filesize

      4.0MB

    • memory/4484-16-0x00000000029D0000-0x0000000002DC8000-memory.dmp

      Filesize

      4.0MB

    • memory/4484-1-0x0000000002DD0000-0x00000000036BB000-memory.dmp

      Filesize

      8.9MB

    • memory/4484-68-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4484-2-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4492-305-0x00000000737E0000-0x0000000073ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/4492-11-0x0000000007640000-0x00000000076A6000-memory.dmp

      Filesize

      408KB

    • memory/4492-12-0x00000000076B0000-0x0000000007716000-memory.dmp

      Filesize

      408KB

    • memory/4492-13-0x00000000079D0000-0x0000000007D20000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-14-0x0000000007860000-0x000000000787C000-memory.dmp

      Filesize

      112KB

    • memory/4492-10-0x0000000006E40000-0x0000000006E62000-memory.dmp

      Filesize

      136KB

    • memory/4492-9-0x0000000006FA0000-0x00000000075C8000-memory.dmp

      Filesize

      6.2MB

    • memory/4492-8-0x0000000006960000-0x0000000006970000-memory.dmp

      Filesize

      64KB

    • memory/4492-15-0x0000000007D20000-0x0000000007D6B000-memory.dmp

      Filesize

      300KB

    • memory/4492-35-0x0000000008D40000-0x0000000008D7C000-memory.dmp

      Filesize

      240KB

    • memory/4492-291-0x0000000006960000-0x0000000006970000-memory.dmp

      Filesize

      64KB

    • memory/4492-286-0x0000000008180000-0x0000000008188000-memory.dmp

      Filesize

      32KB

    • memory/4492-281-0x00000000081D0000-0x00000000081EA000-memory.dmp

      Filesize

      104KB

    • memory/4492-7-0x0000000006800000-0x0000000006836000-memory.dmp

      Filesize

      216KB

    • memory/4492-158-0x0000000006960000-0x0000000006970000-memory.dmp

      Filesize

      64KB

    • memory/4492-6-0x0000000006960000-0x0000000006970000-memory.dmp

      Filesize

      64KB

    • memory/4492-5-0x00000000737E0000-0x0000000073ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/4492-87-0x0000000009E70000-0x0000000009F04000-memory.dmp

      Filesize

      592KB

    • memory/4492-86-0x0000000006960000-0x0000000006970000-memory.dmp

      Filesize

      64KB

    • memory/4492-85-0x00000000737E0000-0x0000000073ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/4492-84-0x0000000009C90000-0x0000000009D35000-memory.dmp

      Filesize

      660KB

    • memory/4492-79-0x0000000009C30000-0x0000000009C4E000-memory.dmp

      Filesize

      120KB

    • memory/4492-78-0x0000000070540000-0x0000000070890000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-77-0x00000000704F0000-0x000000007053B000-memory.dmp

      Filesize

      300KB

    • memory/4492-76-0x0000000009C50000-0x0000000009C83000-memory.dmp

      Filesize

      204KB

    • memory/4492-75-0x000000007F030000-0x000000007F040000-memory.dmp

      Filesize

      64KB

    • memory/4492-67-0x0000000008E00000-0x0000000008E76000-memory.dmp

      Filesize

      472KB