Analysis

  • max time kernel
    27s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 20:24

General

  • Target

    b737257b9c3b41c65049dff6096f09d2d1eb787a2a7ea92f65b64b86fed5c84f.exe

  • Size

    4.2MB

  • MD5

    a37aafd52fa58b0518a5abfc1126a3bd

  • SHA1

    3d8eb1846a4bb16442012e45675533e44d1f49e2

  • SHA256

    b737257b9c3b41c65049dff6096f09d2d1eb787a2a7ea92f65b64b86fed5c84f

  • SHA512

    ddeab36141f0aaa88f56200dba786681a3cd47ecf4d3e731d015ce0b430571d8845fc1c7449b3ee8058415b9bbcd41024d4f2086e7eb0699385ced41083af622

  • SSDEEP

    98304:uRe06RCZ8qdKnAdKFoI0tkW+Km95muXXLdVYjOy3P9U/:zUuqUAddtM55murAiy92

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
  • Drops file in System32 directory 4 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.

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b737257b9c3b41c65049dff6096f09d2d1eb787a2a7ea92f65b64b86fed5c84f.exe
    "C:\Users\Admin\AppData\Local\Temp\b737257b9c3b41c65049dff6096f09d2d1eb787a2a7ea92f65b64b86fed5c84f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:872
    • C:\Users\Admin\AppData\Local\Temp\b737257b9c3b41c65049dff6096f09d2d1eb787a2a7ea92f65b64b86fed5c84f.exe
      "C:\Users\Admin\AppData\Local\Temp\b737257b9c3b41c65049dff6096f09d2d1eb787a2a7ea92f65b64b86fed5c84f.exe"
      2⤵
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3516
      • 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:3532
      • 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:2824
        • 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:312
      • 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:2964
      • 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:4648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 876
      2⤵
      • Program crash
      PID:2920
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3440 -ip 3440
    1⤵
      PID:60

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2i3ry210.nyd.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

            3d086a433708053f9bf9523e1d87a4e8

            SHA1

            b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

            SHA256

            6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

            SHA512

            931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

            Filesize

            19KB

            MD5

            567f6b3ce71b3fc75443c689eb8971f8

            SHA1

            095f8089b1d31b3c2514deec44cadf5922fbb36a

            SHA256

            863b24d7378332b0842aef3b38e0a4acbd6f5f730c992c51336fd387feb672e1

            SHA512

            5a2f3419c7ad8997637b439280f67bfc9b7a17760e66e95ef1acf32ffa77311a99558674ce61dc126ea018a273dabebc31a872a91dbeabe9400cc63aaa8f750f

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

            Filesize

            19KB

            MD5

            c39267371a21754ab7243c43efc83a44

            SHA1

            03fc23c96e07424fe206f15e4fc48610b017abb5

            SHA256

            60f46691cee8e0606a6c3afa2120d8353b4cc0262c6f872b074b2c6dbf1a302f

            SHA512

            d039d4f45e34f13669ea9751da00a38e9d88019f733346779abfd9593954054c8f214bd0ea7578b4db4ab70ff9a5c204a048f4a408a0e6f2dc21aab26c5e1823

          • memory/872-25-0x0000000006EB0000-0x0000000006F26000-memory.dmp

            Filesize

            472KB

          • memory/872-28-0x000000007F4C0000-0x000000007F4D0000-memory.dmp

            Filesize

            64KB

          • memory/872-8-0x00000000022F0000-0x0000000002300000-memory.dmp

            Filesize

            64KB

          • memory/872-7-0x0000000004D10000-0x0000000005338000-memory.dmp

            Filesize

            6.2MB

          • memory/872-9-0x0000000004CB0000-0x0000000004CD2000-memory.dmp

            Filesize

            136KB

          • memory/872-5-0x0000000074D50000-0x0000000075500000-memory.dmp

            Filesize

            7.7MB

          • memory/872-10-0x00000000054B0000-0x0000000005516000-memory.dmp

            Filesize

            408KB

          • memory/872-16-0x0000000005590000-0x00000000055F6000-memory.dmp

            Filesize

            408KB

          • memory/872-21-0x0000000005700000-0x0000000005A54000-memory.dmp

            Filesize

            3.3MB

          • memory/872-22-0x0000000005B70000-0x0000000005B8E000-memory.dmp

            Filesize

            120KB

          • memory/872-23-0x0000000005B90000-0x0000000005BDC000-memory.dmp

            Filesize

            304KB

          • memory/872-24-0x0000000006110000-0x0000000006154000-memory.dmp

            Filesize

            272KB

          • memory/872-4-0x0000000002280000-0x00000000022B6000-memory.dmp

            Filesize

            216KB

          • memory/872-26-0x00000000075B0000-0x0000000007C2A000-memory.dmp

            Filesize

            6.5MB

          • memory/872-27-0x0000000006F50000-0x0000000006F6A000-memory.dmp

            Filesize

            104KB

          • memory/872-6-0x00000000022F0000-0x0000000002300000-memory.dmp

            Filesize

            64KB

          • memory/872-29-0x0000000007100000-0x0000000007132000-memory.dmp

            Filesize

            200KB

          • memory/872-30-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

            Filesize

            304KB

          • memory/872-31-0x0000000070D70000-0x00000000710C4000-memory.dmp

            Filesize

            3.3MB

          • memory/872-41-0x0000000007140000-0x000000000715E000-memory.dmp

            Filesize

            120KB

          • memory/872-42-0x00000000022F0000-0x0000000002300000-memory.dmp

            Filesize

            64KB

          • memory/872-43-0x0000000007160000-0x0000000007203000-memory.dmp

            Filesize

            652KB

          • memory/872-44-0x0000000007250000-0x000000000725A000-memory.dmp

            Filesize

            40KB

          • memory/872-45-0x0000000007310000-0x00000000073A6000-memory.dmp

            Filesize

            600KB

          • memory/872-46-0x0000000007270000-0x0000000007281000-memory.dmp

            Filesize

            68KB

          • memory/872-47-0x00000000072B0000-0x00000000072BE000-memory.dmp

            Filesize

            56KB

          • memory/872-48-0x00000000072C0000-0x00000000072D4000-memory.dmp

            Filesize

            80KB

          • memory/872-49-0x00000000073B0000-0x00000000073CA000-memory.dmp

            Filesize

            104KB

          • memory/872-50-0x00000000072F0000-0x00000000072F8000-memory.dmp

            Filesize

            32KB

          • memory/872-53-0x0000000074D50000-0x0000000075500000-memory.dmp

            Filesize

            7.7MB

          • memory/2964-93-0x0000000074DF0000-0x00000000755A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2964-94-0x0000000000D00000-0x0000000000D10000-memory.dmp

            Filesize

            64KB

          • memory/2964-122-0x0000000074DF0000-0x00000000755A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2964-120-0x0000000000D00000-0x0000000000D10000-memory.dmp

            Filesize

            64KB

          • memory/2964-109-0x0000000070E70000-0x00000000711C4000-memory.dmp

            Filesize

            3.3MB

          • memory/2964-108-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

            Filesize

            304KB

          • memory/2964-107-0x000000007F980000-0x000000007F990000-memory.dmp

            Filesize

            64KB

          • memory/2964-105-0x00000000059E0000-0x0000000005D34000-memory.dmp

            Filesize

            3.3MB

          • memory/2964-95-0x0000000000D00000-0x0000000000D10000-memory.dmp

            Filesize

            64KB

          • memory/3440-54-0x0000000000400000-0x0000000003009000-memory.dmp

            Filesize

            44.0MB

          • memory/3440-56-0x00000000051F0000-0x0000000005ADB000-memory.dmp

            Filesize

            8.9MB

          • memory/3440-2-0x00000000051F0000-0x0000000005ADB000-memory.dmp

            Filesize

            8.9MB

          • memory/3440-3-0x0000000000400000-0x0000000003009000-memory.dmp

            Filesize

            44.0MB

          • memory/3440-1-0x0000000003340000-0x0000000003741000-memory.dmp

            Filesize

            4.0MB

          • memory/3516-57-0x00000000033F0000-0x00000000037F3000-memory.dmp

            Filesize

            4.0MB

          • memory/3516-119-0x00000000033F0000-0x00000000037F3000-memory.dmp

            Filesize

            4.0MB

          • memory/3516-137-0x0000000000400000-0x0000000003009000-memory.dmp

            Filesize

            44.0MB

          • memory/3516-58-0x0000000000400000-0x0000000003009000-memory.dmp

            Filesize

            44.0MB

          • memory/3532-59-0x0000000074DF0000-0x00000000755A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3532-87-0x0000000007E30000-0x0000000007E41000-memory.dmp

            Filesize

            68KB

          • memory/3532-72-0x000000007F5F0000-0x000000007F600000-memory.dmp

            Filesize

            64KB

          • memory/3532-71-0x0000000006910000-0x000000000695C000-memory.dmp

            Filesize

            304KB

          • memory/3532-86-0x0000000003420000-0x0000000003430000-memory.dmp

            Filesize

            64KB

          • memory/3532-70-0x00000000062B0000-0x0000000006604000-memory.dmp

            Filesize

            3.3MB

          • memory/3532-60-0x0000000003420000-0x0000000003430000-memory.dmp

            Filesize

            64KB

          • memory/3532-88-0x0000000007E80000-0x0000000007E94000-memory.dmp

            Filesize

            80KB

          • memory/3532-84-0x0000000007B20000-0x0000000007BC3000-memory.dmp

            Filesize

            652KB

          • memory/3532-73-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

            Filesize

            304KB

          • memory/3532-74-0x0000000070EB0000-0x0000000071204000-memory.dmp

            Filesize

            3.3MB

          • memory/3532-91-0x0000000074DF0000-0x00000000755A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3532-85-0x0000000003420000-0x0000000003430000-memory.dmp

            Filesize

            64KB

          • memory/4648-135-0x00000000025E0000-0x00000000025F0000-memory.dmp

            Filesize

            64KB

          • memory/4648-133-0x00000000025E0000-0x00000000025F0000-memory.dmp

            Filesize

            64KB

          • memory/4648-134-0x0000000005520000-0x0000000005874000-memory.dmp

            Filesize

            3.3MB

          • memory/4648-123-0x0000000074DF0000-0x00000000755A0000-memory.dmp

            Filesize

            7.7MB