Analysis

  • max time kernel
    13s
  • max time network
    17s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/04/2024, 19:27

General

  • Target

    0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe

  • Size

    4.2MB

  • MD5

    f1d83f9e7fbab49bf3dbef1f48b957df

  • SHA1

    22241766378b8dddefc21bf0d92bd3437004f090

  • SHA256

    0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab

  • SHA512

    7e9462192049374219d806120e66d61d81e483dc0ead0704f810a457de93897338dfecd22f695ee42a4aeb4e3cd2fa6384635d29d6bfc9d9b0ed960382201d02

  • SSDEEP

    98304:jtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHei:Bw6rquKXDtU1Y2GYniVjUHH

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 8 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 5 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
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe
    "C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3516
    • C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.exe
      "C:\Users\Admin\AppData\Local\Temp\0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab.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:4044
      • 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:772
      • 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:3660
        • 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:1976
      • 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:688
      • 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:3460
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4212
        • 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:4004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 1004
      2⤵
      • Program crash
      PID:4744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2796 -ip 2796
    1⤵
      PID:2412

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nhgwqjft.3nt.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

            Filesize

            2KB

            MD5

            d0c46cad6c0778401e21910bd6b56b70

            SHA1

            7be418951ea96326aca445b8dfe449b2bfa0dca6

            SHA256

            9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

            SHA512

            057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

            Filesize

            19KB

            MD5

            c0f5a402458ff2b6b4c43cc0a23225c3

            SHA1

            e2a6ee91caeadb4e435b622d6cb1cc0bff647ea6

            SHA256

            a93b4fa736b783795545ef357a05044adad80b42966f6cd082201f93ed43912e

            SHA512

            6d520161f89d00c4979e1b86a5ee6ca978d3a9b35588e28eb94893022cd4b889c7f990778f37d7caf69d02b1576a20ac57a433ed4a2d4ce040e4decd65f037a0

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

            Filesize

            19KB

            MD5

            52197caed2a7bab6323206c79071455d

            SHA1

            4aae89ee5b06fd0274bb463ebc197ff8cb7da5fb

            SHA256

            9d11371a297154fa51956cd063c83e432fe124c2eb5c58f23e37f4aecbe25e17

            SHA512

            bf25d9f192fb769500f525ebee7ee1f670387b9e432907572c5009537c9f9913d22e6ccfc7d7ecf7553fa2fb939fbe02235da287e235bcf5c353677f61ead562

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

            Filesize

            19KB

            MD5

            6980f281250a491ed35d7d6c14b3643f

            SHA1

            bf0ef19b1d3208ddc9b7d377e36ba4b7c7d4eefd

            SHA256

            7f801c0db785068092a9572fea2214647028e8da3657d25e785fcfba50334b3e

            SHA512

            1a577e603a1ff1a39865862f44195dc87de8fe00dd9f0b72269a558a67ad964d12499eabf9762bd0d3e704916534f6af7b7b1d43ca7c7c895f634c059ab0cec2

          • C:\Windows\rss\csrss.exe

            Filesize

            4.2MB

            MD5

            f1d83f9e7fbab49bf3dbef1f48b957df

            SHA1

            22241766378b8dddefc21bf0d92bd3437004f090

            SHA256

            0702ab28c753661d7e4fc873f15e2954fc1dca1b604cada322ed8df4bca51bab

            SHA512

            7e9462192049374219d806120e66d61d81e483dc0ead0704f810a457de93897338dfecd22f695ee42a4aeb4e3cd2fa6384635d29d6bfc9d9b0ed960382201d02

          • memory/688-90-0x0000000002760000-0x0000000002770000-memory.dmp

            Filesize

            64KB

          • memory/688-88-0x00000000744D0000-0x0000000074C81000-memory.dmp

            Filesize

            7.7MB

          • memory/688-103-0x0000000070A00000-0x0000000070D57000-memory.dmp

            Filesize

            3.3MB

          • memory/688-115-0x00000000744D0000-0x0000000074C81000-memory.dmp

            Filesize

            7.7MB

          • memory/688-99-0x00000000057C0000-0x0000000005B17000-memory.dmp

            Filesize

            3.3MB

          • memory/688-89-0x0000000002760000-0x0000000002770000-memory.dmp

            Filesize

            64KB

          • memory/688-102-0x00000000707B0000-0x00000000707FC000-memory.dmp

            Filesize

            304KB

          • memory/688-101-0x000000007F740000-0x000000007F750000-memory.dmp

            Filesize

            64KB

          • memory/688-113-0x0000000002760000-0x0000000002770000-memory.dmp

            Filesize

            64KB

          • memory/772-81-0x0000000006C70000-0x0000000006D14000-memory.dmp

            Filesize

            656KB

          • memory/772-69-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

            Filesize

            304KB

          • memory/772-58-0x0000000004670000-0x0000000004680000-memory.dmp

            Filesize

            64KB

          • memory/772-68-0x0000000005680000-0x00000000059D7000-memory.dmp

            Filesize

            3.3MB

          • memory/772-57-0x00000000744D0000-0x0000000074C81000-memory.dmp

            Filesize

            7.7MB

          • memory/772-70-0x000000007EE50000-0x000000007EE60000-memory.dmp

            Filesize

            64KB

          • memory/772-72-0x0000000070930000-0x0000000070C87000-memory.dmp

            Filesize

            3.3MB

          • memory/772-71-0x00000000707B0000-0x00000000707FC000-memory.dmp

            Filesize

            304KB

          • memory/772-59-0x0000000004670000-0x0000000004680000-memory.dmp

            Filesize

            64KB

          • memory/772-86-0x00000000744D0000-0x0000000074C81000-memory.dmp

            Filesize

            7.7MB

          • memory/772-83-0x0000000007010000-0x0000000007025000-memory.dmp

            Filesize

            84KB

          • memory/772-82-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

            Filesize

            68KB

          • memory/2796-2-0x0000000004110000-0x00000000049FB000-memory.dmp

            Filesize

            8.9MB

          • memory/2796-3-0x0000000000400000-0x0000000001E08000-memory.dmp

            Filesize

            26.0MB

          • memory/2796-1-0x0000000003D10000-0x000000000410E000-memory.dmp

            Filesize

            4.0MB

          • memory/2796-52-0x0000000000400000-0x0000000001E08000-memory.dmp

            Filesize

            26.0MB

          • memory/2796-55-0x0000000004110000-0x00000000049FB000-memory.dmp

            Filesize

            8.9MB

          • memory/3460-128-0x0000000070A00000-0x0000000070D57000-memory.dmp

            Filesize

            3.3MB

          • memory/3460-138-0x000000007F700000-0x000000007F710000-memory.dmp

            Filesize

            64KB

          • memory/3460-117-0x0000000002E90000-0x0000000002EA0000-memory.dmp

            Filesize

            64KB

          • memory/3460-127-0x00000000707B0000-0x00000000707FC000-memory.dmp

            Filesize

            304KB

          • memory/3460-116-0x00000000744D0000-0x0000000074C81000-memory.dmp

            Filesize

            7.7MB

          • memory/3516-27-0x0000000070820000-0x0000000070B77000-memory.dmp

            Filesize

            3.3MB

          • memory/3516-24-0x000000007F240000-0x000000007F250000-memory.dmp

            Filesize

            64KB

          • memory/3516-5-0x0000000074430000-0x0000000074BE1000-memory.dmp

            Filesize

            7.7MB

          • memory/3516-7-0x0000000004EC0000-0x00000000054EA000-memory.dmp

            Filesize

            6.2MB

          • memory/3516-50-0x0000000074430000-0x0000000074BE1000-memory.dmp

            Filesize

            7.7MB

          • memory/3516-47-0x0000000007340000-0x0000000007348000-memory.dmp

            Filesize

            32KB

          • memory/3516-46-0x0000000007320000-0x000000000733A000-memory.dmp

            Filesize

            104KB

          • memory/3516-45-0x00000000072D0000-0x00000000072E5000-memory.dmp

            Filesize

            84KB

          • memory/3516-44-0x00000000072C0000-0x00000000072CE000-memory.dmp

            Filesize

            56KB

          • memory/3516-43-0x0000000007270000-0x0000000007281000-memory.dmp

            Filesize

            68KB

          • memory/3516-42-0x0000000007360000-0x00000000073F6000-memory.dmp

            Filesize

            600KB

          • memory/3516-41-0x0000000007250000-0x000000000725A000-memory.dmp

            Filesize

            40KB

          • memory/3516-39-0x0000000007860000-0x0000000007EDA000-memory.dmp

            Filesize

            6.5MB

          • memory/3516-40-0x0000000007210000-0x000000000722A000-memory.dmp

            Filesize

            104KB

          • memory/3516-37-0x00000000070F0000-0x0000000007194000-memory.dmp

            Filesize

            656KB

          • memory/3516-38-0x0000000002760000-0x0000000002770000-memory.dmp

            Filesize

            64KB

          • memory/3516-36-0x00000000070D0000-0x00000000070EE000-memory.dmp

            Filesize

            120KB

          • memory/3516-8-0x0000000002760000-0x0000000002770000-memory.dmp

            Filesize

            64KB

          • memory/3516-25-0x0000000007090000-0x00000000070C4000-memory.dmp

            Filesize

            208KB

          • memory/3516-26-0x00000000706A0000-0x00000000706EC000-memory.dmp

            Filesize

            304KB

          • memory/3516-23-0x0000000006C40000-0x0000000006C86000-memory.dmp

            Filesize

            280KB

          • memory/3516-22-0x0000000005C90000-0x0000000005CDC000-memory.dmp

            Filesize

            304KB

          • memory/3516-6-0x0000000002760000-0x0000000002770000-memory.dmp

            Filesize

            64KB

          • memory/3516-21-0x0000000005C50000-0x0000000005C6E000-memory.dmp

            Filesize

            120KB

          • memory/3516-20-0x0000000005790000-0x0000000005AE7000-memory.dmp

            Filesize

            3.3MB

          • memory/3516-11-0x0000000005660000-0x00000000056C6000-memory.dmp

            Filesize

            408KB

          • memory/3516-10-0x0000000004E40000-0x0000000004EA6000-memory.dmp

            Filesize

            408KB

          • memory/3516-9-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

            Filesize

            136KB

          • memory/3516-4-0x00000000027B0000-0x00000000027E6000-memory.dmp

            Filesize

            216KB

          • memory/4044-137-0x0000000000400000-0x0000000001E08000-memory.dmp

            Filesize

            26.0MB

          • memory/4044-112-0x0000000003D20000-0x0000000004124000-memory.dmp

            Filesize

            4.0MB

          • memory/4044-56-0x0000000000400000-0x0000000001E08000-memory.dmp

            Filesize

            26.0MB

          • memory/4044-53-0x0000000003D20000-0x0000000004124000-memory.dmp

            Filesize

            4.0MB

          • memory/4044-145-0x0000000000400000-0x0000000001E08000-memory.dmp

            Filesize

            26.0MB

          • memory/4044-54-0x0000000004130000-0x0000000004A1B000-memory.dmp

            Filesize

            8.9MB