Analysis

  • max time kernel
    38s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 10:24

General

  • Target

    d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe

  • Size

    4.1MB

  • MD5

    d32b9d6134c9c22d54de56687bcd7a0b

  • SHA1

    76787efd4bf960188b435f6287de1f29988557c9

  • SHA256

    d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9

  • SHA512

    ca8a9f5f1cd97496aeaccd0aa9a96859e7377ecc202ae9d8da167d68c09f89f6643fa6dfa5ff7814931133b582a8cc3414fa4c81a3c4f50dc48ecae3ecce4096

  • SSDEEP

    98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntN:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nD

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 7 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

    Using powershell.exe command.

  • 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 44 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\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe
    "C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4492
    • C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe
      "C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe"
      2⤵
      • 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:4352
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2956
      • 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:4412
        • 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:1908
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5096
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4500
      • 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:4992
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3548
        • 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:1280
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4792
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4972
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4360
          • 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:3400
          • 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:2284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sz2pphxy.z2z.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • 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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      19KB

      MD5

      4b10f616055d1ed91af8bdcffbe3b886

      SHA1

      adc790d6fae43a338f56f35a99616ebd4321c18d

      SHA256

      cc3ab3ed2d3318329f747533d15915d8ed16aededb71a3f8ea4ddf7a8b2faa60

      SHA512

      4c446e5c658e3f5ad6d37788276d7bcb2ff25d5811550015106dbcfcd1def539d47194febe9370f8052bbfa1433c4b8e3a4b065ea85dfceb2def1c692211d4ae

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

      Filesize

      19KB

      MD5

      a56514c3aaf2d087f0e6391821a4a84e

      SHA1

      ae8cd76eb7aac4e2ed4a746674d869d2678c5ea2

      SHA256

      f03ec17fdf77917046f01df672adca5e4df56fa7150977c614c0205442a02fcc

      SHA512

      3bbac0a9699fc985c515de8d679793dd1c773ad62b28d1b0bd066ef4b330580bc3c420c575d15e5c26130857a82e76ed78bc43dd5571d9ecc234c422eafbe547

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

      Filesize

      19KB

      MD5

      661b0dc024adffed4f626f9f6e5bd1f0

      SHA1

      fc17d80af88c1ed38210ba0f60b1ecee700ad953

      SHA256

      10947c4cc5877b49141a7fd1d1c1988b1732217d3ee90d30153354186a73c583

      SHA512

      738086762fea0809dc2d051660b9b5307e16d588fad3b4e757872d15a149d3af532082fa3d10e234f912c7932d7a6fcb9780e27e5d95721229321bff214531ac

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

      Filesize

      19KB

      MD5

      d279f2e67f76e243c912be1c580c5cba

      SHA1

      a306d350b0a1ee8395866cbb878537185d574e94

      SHA256

      40390f312c0b8d55a4c2e837d915228430201f9c79010e19f5eaa2bf260bcefe

      SHA512

      b95fa66b1161181aa6d2ed2d038fb997d79e9aadcfc32bae952172df35ce98eb3b66f72245a0f0f265571ad21feadedf4f34e1f4bdc924aa5e64482077528709

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

      Filesize

      19KB

      MD5

      155e6042ed15a185372894c78038c811

      SHA1

      a8c21b81f5cf5b50f4d99f5fce05b958cf1bbdef

      SHA256

      00f83caf33ded893e31d01e3b4b131d19d6c1018ed7560681987d69a48ab90a8

      SHA512

      2f63e5c4100805c0e4ff418429d9bded6195a0bf9f0eacdbc8cc069acdcc11798482856e217a0bd5dc38a79a71dc97876c9ea5d268968ecaf474bf2e35d125da

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      d32b9d6134c9c22d54de56687bcd7a0b

      SHA1

      76787efd4bf960188b435f6287de1f29988557c9

      SHA256

      d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9

      SHA512

      ca8a9f5f1cd97496aeaccd0aa9a96859e7377ecc202ae9d8da167d68c09f89f6643fa6dfa5ff7814931133b582a8cc3414fa4c81a3c4f50dc48ecae3ecce4096

    • memory/2956-78-0x0000000007F30000-0x0000000007F44000-memory.dmp

      Filesize

      80KB

    • memory/2956-66-0x0000000070F10000-0x0000000071264000-memory.dmp

      Filesize

      3.3MB

    • memory/2956-76-0x0000000007BC0000-0x0000000007C63000-memory.dmp

      Filesize

      652KB

    • memory/2956-65-0x0000000070D90000-0x0000000070DDC000-memory.dmp

      Filesize

      304KB

    • memory/2956-77-0x0000000007EE0000-0x0000000007EF1000-memory.dmp

      Filesize

      68KB

    • memory/3548-146-0x00000000063B0000-0x0000000006704000-memory.dmp

      Filesize

      3.3MB

    • memory/3548-149-0x0000000070F30000-0x0000000071284000-memory.dmp

      Filesize

      3.3MB

    • memory/3548-148-0x0000000070D90000-0x0000000070DDC000-memory.dmp

      Filesize

      304KB

    • memory/4036-116-0x0000000002D70000-0x000000000365B000-memory.dmp

      Filesize

      8.9MB

    • memory/4036-82-0x0000000002960000-0x0000000002D61000-memory.dmp

      Filesize

      4.0MB

    • memory/4036-81-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4036-2-0x0000000002D70000-0x000000000365B000-memory.dmp

      Filesize

      8.9MB

    • memory/4036-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4036-1-0x0000000002960000-0x0000000002D61000-memory.dmp

      Filesize

      4.0MB

    • memory/4352-134-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4352-55-0x0000000002960000-0x0000000002D61000-memory.dmp

      Filesize

      4.0MB

    • memory/4360-197-0x0000000070CB0000-0x0000000070CFC000-memory.dmp

      Filesize

      304KB

    • memory/4360-198-0x0000000071440000-0x0000000071794000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-27-0x0000000007940000-0x000000000795A000-memory.dmp

      Filesize

      104KB

    • memory/4492-6-0x0000000005730000-0x0000000005D58000-memory.dmp

      Filesize

      6.2MB

    • memory/4492-47-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

      Filesize

      56KB

    • memory/4492-48-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

      Filesize

      80KB

    • memory/4492-49-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

      Filesize

      104KB

    • memory/4492-50-0x0000000007D00000-0x0000000007D08000-memory.dmp

      Filesize

      32KB

    • memory/4492-4-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

      Filesize

      4KB

    • memory/4492-45-0x0000000007D20000-0x0000000007DB6000-memory.dmp

      Filesize

      600KB

    • memory/4492-41-0x0000000007B30000-0x0000000007B4E000-memory.dmp

      Filesize

      120KB

    • memory/4492-37-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4492-29-0x0000000070D90000-0x0000000070DDC000-memory.dmp

      Filesize

      304KB

    • memory/4492-30-0x0000000070F10000-0x0000000071264000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-28-0x0000000007AF0000-0x0000000007B22000-memory.dmp

      Filesize

      200KB

    • memory/4492-5-0x0000000002F80000-0x0000000002FB6000-memory.dmp

      Filesize

      216KB

    • memory/4492-7-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4492-46-0x0000000007C80000-0x0000000007C91000-memory.dmp

      Filesize

      68KB

    • memory/4492-53-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4492-24-0x0000000006AC0000-0x0000000006B04000-memory.dmp

      Filesize

      272KB

    • memory/4492-44-0x0000000007C60000-0x0000000007C6A000-memory.dmp

      Filesize

      40KB

    • memory/4492-43-0x0000000007B50000-0x0000000007BF3000-memory.dmp

      Filesize

      652KB

    • memory/4492-23-0x0000000006610000-0x000000000665C000-memory.dmp

      Filesize

      304KB

    • memory/4492-22-0x0000000006570000-0x000000000658E000-memory.dmp

      Filesize

      120KB

    • memory/4492-26-0x0000000007FA0000-0x000000000861A000-memory.dmp

      Filesize

      6.5MB

    • memory/4492-42-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4492-21-0x0000000006170000-0x00000000064C4000-memory.dmp

      Filesize

      3.3MB

    • memory/4492-9-0x0000000005DD0000-0x0000000005E36000-memory.dmp

      Filesize

      408KB

    • memory/4492-11-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4492-10-0x0000000005E40000-0x0000000005EA6000-memory.dmp

      Filesize

      408KB

    • memory/4492-8-0x00000000055C0000-0x00000000055E2000-memory.dmp

      Filesize

      136KB

    • memory/4492-25-0x00000000076A0000-0x0000000007716000-memory.dmp

      Filesize

      472KB

    • memory/4500-119-0x0000000071510000-0x0000000071864000-memory.dmp

      Filesize

      3.3MB

    • memory/4500-118-0x0000000070D90000-0x0000000070DDC000-memory.dmp

      Filesize

      304KB

    • memory/4972-169-0x00000000054C0000-0x0000000005814000-memory.dmp

      Filesize

      3.3MB

    • memory/4972-172-0x0000000070CB0000-0x0000000070CFC000-memory.dmp

      Filesize

      304KB

    • memory/4972-173-0x0000000071440000-0x0000000071794000-memory.dmp

      Filesize

      3.3MB

    • memory/4972-183-0x0000000006DC0000-0x0000000006E63000-memory.dmp

      Filesize

      652KB

    • memory/4972-184-0x0000000007100000-0x0000000007111000-memory.dmp

      Filesize

      68KB

    • memory/4972-185-0x0000000005970000-0x0000000005984000-memory.dmp

      Filesize

      80KB

    • memory/4972-171-0x00000000060F0000-0x000000000613C000-memory.dmp

      Filesize

      304KB

    • memory/4992-208-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-216-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/5096-96-0x0000000071510000-0x0000000071864000-memory.dmp

      Filesize

      3.3MB

    • memory/5096-95-0x0000000070D90000-0x0000000070DDC000-memory.dmp

      Filesize

      304KB

    • memory/5096-89-0x0000000005920000-0x0000000005C74000-memory.dmp

      Filesize

      3.3MB