Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 08:00

General

  • Target

    7e84701cffdcf15cd6b2d84229ea5385f411e65d6e76792009c8b3483d0e0a95.exe

  • Size

    4.2MB

  • MD5

    fa2d1fdbac883808e45a30cce7fd9cdb

  • SHA1

    0e20074b9748804d726a4b1e4d06ba8741f5dbe8

  • SHA256

    7e84701cffdcf15cd6b2d84229ea5385f411e65d6e76792009c8b3483d0e0a95

  • SHA512

    82fe3d721e3f21c15b46a56d539d846c6b46312b0c7a6c824035a78ff0b4797009dd67787c005f91092b6529980cab8833ec869cb2c3a780df7d9952c0a26d25

  • SSDEEP

    98304:P+HPz90i0r5NhFDQ6Nzo46jjSHRUaZfFWAU:PA9ohpToqHRl9zU

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 21 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\7e84701cffdcf15cd6b2d84229ea5385f411e65d6e76792009c8b3483d0e0a95.exe
    "C:\Users\Admin\AppData\Local\Temp\7e84701cffdcf15cd6b2d84229ea5385f411e65d6e76792009c8b3483d0e0a95.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4688
    • C:\Users\Admin\AppData\Local\Temp\7e84701cffdcf15cd6b2d84229ea5385f411e65d6e76792009c8b3483d0e0a95.exe
      "C:\Users\Admin\AppData\Local\Temp\7e84701cffdcf15cd6b2d84229ea5385f411e65d6e76792009c8b3483d0e0a95.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:1080
      • 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:1400
      • 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:4576
      • 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:3024
      • 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:2212
      • 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:4200
        • 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:1892
        • 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:4300
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4708
          • 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:4524
          • 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:4280
          • 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:2492
          • 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:2816
    • C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      1⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:4440

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0kunhjoa.q40.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:\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

      9d2d5f2e1f21a20d2eb112ac546d01c9

      SHA1

      5fd9df97d8f6b13627f07a6772db6a65e41542ec

      SHA256

      df84600fdc64b922374805f9348117f37b478497b515669e2b5ce3f48b3766ad

      SHA512

      163209466daad500e7e8e10f0e0f5a0d1940ae029633bcf784d27a432f40d3b2a7ad3f7d4cf0b52c0a6e89401cefc904803a7d5e3e56f28403ff0497a4bca2fa

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

      Filesize

      18KB

      MD5

      21763992e006e4f0514e729f5b3a41ad

      SHA1

      36f5c954b81fdc1f3d8599888cc7671876bb693d

      SHA256

      4d2a83db4501bb92392c281887e88de5052d06de8e5c0ab817a8544c77c7f7c0

      SHA512

      5a49ae4bb668bdc291e21b7657eec6ee4a0e50fb47938b60fc1f7a7b4fb6aad682662981cf4f9db91921efc39ab00a45f64de690cc94b06073ba2973534dbc55

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

      Filesize

      18KB

      MD5

      3624ce3d7bba0be7aa6c8faedee2bfaf

      SHA1

      463945f93a3843e9b77f8cd82108adecfd1c3fe6

      SHA256

      d6339e24183e3319e26dc76adee6b63814083fc46e03cb5a643790a476619aae

      SHA512

      de1e89fc922f5a54b81468a909e79c2c7f2f4df7205cba47afec4bee391978097b3546ef9749ac240b5acbed4c8f1bf98c0cc6bbaa0c149e82016f3a12bce7b6

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

      Filesize

      18KB

      MD5

      ec5761934368b24492638276aeb8d744

      SHA1

      5969ddee13f0b6c7220334ea5a26fdde0325221f

      SHA256

      038ea794a2f3abc2e360be08d0ca8788b6bb491c4d690e34a7b16c42b062681f

      SHA512

      d00734339ed2981567a9347b7f57adf17e929cc87ccfa62f9a66c96d3a17d4c0e33aea41fc81c6c0de42d56c4a0dadcf79118ed2d0f82568dd65190650763344

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

      Filesize

      18KB

      MD5

      921ba6089a5b12f47f83bd35e39f20aa

      SHA1

      abbe929e2521a267cdc0b44c5b6553819c930253

      SHA256

      46bc9a4524f2a1ddac7a4b154225901c98a71b87a7fa33711c00a473a0b9d381

      SHA512

      504e422a129f23470371429c171bde4ada41ba2721fe3d397e93d4b06075b29054d90f777e1fd40ca91e78462be20980b52b90c66108534e84225e5f221f8e16

    • C:\Windows\rss\csrss.exe

      Filesize

      191KB

      MD5

      1afc6eba1f4fb6dc8df294ce7bb28f70

      SHA1

      8a2b359bc268b5a5620a7ef563600990041b63d6

      SHA256

      b2d20839f41cd125a724b37b1dfb3a191c5300278975ff8433505917e34ac5ac

      SHA512

      e61a4765cf5efa62b4548720a7bfa88b6a0d763c45be83d0ae8ef47391f87a69f4f348957ec89da9b39eaf914aedd7f2229891e2c9ad1b4044fbd237800703bc

    • C:\Windows\rss\csrss.exe

      Filesize

      129KB

      MD5

      85f82c5e6837878b46fadaf1b965c5dc

      SHA1

      5d494a343341195166b6d7ab5514a93d0de0557e

      SHA256

      50f06443ef63bea32579de1d8b8930405aedeecbb72853dcea148539d57b058e

      SHA512

      c8cdb6e51ca0da73066c8a5a89947a17a5fdc6de0b26b5162818095a7829e36d0f3b8e6e9366a45929e4e76828c771b74e5a5232a6f019cb0b31358322dfc149

    • memory/1072-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1072-1-0x0000000002B50000-0x0000000002F56000-memory.dmp

      Filesize

      4.0MB

    • memory/1072-301-0x0000000002F60000-0x000000000384B000-memory.dmp

      Filesize

      8.9MB

    • memory/1072-300-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1072-2-0x0000000002F60000-0x000000000384B000-memory.dmp

      Filesize

      8.9MB

    • memory/1080-304-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1080-1044-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1080-303-0x0000000002AC0000-0x0000000002EBE000-memory.dmp

      Filesize

      4.0MB

    • memory/1080-796-0x0000000002AC0000-0x0000000002EBE000-memory.dmp

      Filesize

      4.0MB

    • memory/1080-820-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1400-310-0x0000000007AC0000-0x0000000007E10000-memory.dmp

      Filesize

      3.3MB

    • memory/1400-337-0x0000000009620000-0x00000000096C5000-memory.dmp

      Filesize

      660KB

    • memory/1400-548-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/1400-338-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

      Filesize

      64KB

    • memory/1400-330-0x000000007F250000-0x000000007F260000-memory.dmp

      Filesize

      64KB

    • memory/1400-331-0x000000006FD80000-0x000000006FDCB000-memory.dmp

      Filesize

      300KB

    • memory/1400-332-0x000000006FDD0000-0x0000000070120000-memory.dmp

      Filesize

      3.3MB

    • memory/1400-311-0x00000000081C0000-0x000000000820B000-memory.dmp

      Filesize

      300KB

    • memory/1400-308-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

      Filesize

      64KB

    • memory/1400-309-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

      Filesize

      64KB

    • memory/1400-307-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/1892-1053-0x0000000006D90000-0x0000000006DA0000-memory.dmp

      Filesize

      64KB

    • memory/1892-1052-0x0000000006D90000-0x0000000006DA0000-memory.dmp

      Filesize

      64KB

    • memory/1892-1054-0x0000000007B80000-0x0000000007ED0000-memory.dmp

      Filesize

      3.3MB

    • memory/1892-1056-0x0000000008170000-0x00000000081BB000-memory.dmp

      Filesize

      300KB

    • memory/1892-1051-0x0000000072FB0000-0x000000007369E000-memory.dmp

      Filesize

      6.9MB

    • memory/2212-819-0x000000006FD80000-0x000000006FDCB000-memory.dmp

      Filesize

      300KB

    • memory/2212-822-0x000000006FDD0000-0x0000000070120000-memory.dmp

      Filesize

      3.3MB

    • memory/2212-799-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

      Filesize

      64KB

    • memory/2212-798-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

      Filesize

      64KB

    • memory/2212-797-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/2212-821-0x000000007EF90000-0x000000007EFA0000-memory.dmp

      Filesize

      64KB

    • memory/2212-827-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

      Filesize

      64KB

    • memory/2212-1040-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-553-0x00000000069B0000-0x00000000069C0000-memory.dmp

      Filesize

      64KB

    • memory/3024-552-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-554-0x00000000069B0000-0x00000000069C0000-memory.dmp

      Filesize

      64KB

    • memory/3024-574-0x000000006FD80000-0x000000006FDCB000-memory.dmp

      Filesize

      300KB

    • memory/3024-575-0x000000006FDD0000-0x0000000070120000-memory.dmp

      Filesize

      3.3MB

    • memory/3024-580-0x00000000069B0000-0x00000000069C0000-memory.dmp

      Filesize

      64KB

    • memory/3024-793-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/4200-1797-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1795-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1799-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1798-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1048-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1801-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1796-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1800-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1794-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1793-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1792-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1791-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1790-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1293-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4200-1047-0x0000000002F00000-0x00000000032F9000-memory.dmp

      Filesize

      4.0MB

    • memory/4688-74-0x000000006FC60000-0x000000006FCAB000-memory.dmp

      Filesize

      300KB

    • memory/4688-16-0x0000000008350000-0x000000000839B000-memory.dmp

      Filesize

      300KB

    • memory/4688-12-0x0000000007C50000-0x0000000007CB6000-memory.dmp

      Filesize

      408KB

    • memory/4688-13-0x0000000007DC0000-0x0000000007E26000-memory.dmp

      Filesize

      408KB

    • memory/4688-10-0x0000000007550000-0x0000000007B78000-memory.dmp

      Filesize

      6.2MB

    • memory/4688-9-0x0000000004E60000-0x0000000004E70000-memory.dmp

      Filesize

      64KB

    • memory/4688-14-0x0000000007F60000-0x00000000082B0000-memory.dmp

      Filesize

      3.3MB

    • memory/4688-15-0x00000000082F0000-0x000000000830C000-memory.dmp

      Filesize

      112KB

    • memory/4688-7-0x0000000072F50000-0x000000007363E000-memory.dmp

      Filesize

      6.9MB

    • memory/4688-8-0x0000000004E60000-0x0000000004E70000-memory.dmp

      Filesize

      64KB

    • memory/4688-6-0x0000000004E70000-0x0000000004EA6000-memory.dmp

      Filesize

      216KB

    • memory/4688-11-0x0000000007BB0000-0x0000000007BD2000-memory.dmp

      Filesize

      136KB

    • memory/4688-27-0x0000000009330000-0x00000000093A6000-memory.dmp

      Filesize

      472KB

    • memory/4688-36-0x00000000092F0000-0x000000000932C000-memory.dmp

      Filesize

      240KB

    • memory/4688-73-0x000000000A2B0000-0x000000000A2E3000-memory.dmp

      Filesize

      204KB

    • memory/4688-81-0x000000000A2F0000-0x000000000A395000-memory.dmp

      Filesize

      660KB

    • memory/4688-76-0x000000000A290000-0x000000000A2AE000-memory.dmp

      Filesize

      120KB

    • memory/4688-75-0x000000006FCB0000-0x0000000070000000-memory.dmp

      Filesize

      3.3MB

    • memory/4688-82-0x0000000004E60000-0x0000000004E70000-memory.dmp

      Filesize

      64KB

    • memory/4688-83-0x000000000A4F0000-0x000000000A584000-memory.dmp

      Filesize

      592KB

    • memory/4688-276-0x000000000A470000-0x000000000A48A000-memory.dmp

      Filesize

      104KB

    • memory/4688-281-0x000000000A450000-0x000000000A458000-memory.dmp

      Filesize

      32KB

    • memory/4688-299-0x0000000072F50000-0x000000007363E000-memory.dmp

      Filesize

      6.9MB