Analysis

  • max time kernel
    158s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 19:23

General

  • Target

    3408b564ef8a141be8b665645f0eb58e3de8acb8d221c70b82936222f376d9d3.exe

  • Size

    4.2MB

  • MD5

    7259a8faf0ebdc840803df9282ee426c

  • SHA1

    bd6353cc66c7937a43d2621ecbd0a4152d1bd01b

  • SHA256

    3408b564ef8a141be8b665645f0eb58e3de8acb8d221c70b82936222f376d9d3

  • SHA512

    4cdf9deb0680fd64a8dc49bec67d759d5f16c50161757e5359cfc734634a55a09789919ff88239f05667120f5210c3abe9cf6555ff22510f6141367a37b26bbb

  • SSDEEP

    98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHei:5w6rquKXDtU1Y2GYniVjUH7

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 12 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3408b564ef8a141be8b665645f0eb58e3de8acb8d221c70b82936222f376d9d3.exe
    "C:\Users\Admin\AppData\Local\Temp\3408b564ef8a141be8b665645f0eb58e3de8acb8d221c70b82936222f376d9d3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3616
    • C:\Users\Admin\AppData\Local\Temp\3408b564ef8a141be8b665645f0eb58e3de8acb8d221c70b82936222f376d9d3.exe
      "C:\Users\Admin\AppData\Local\Temp\3408b564ef8a141be8b665645f0eb58e3de8acb8d221c70b82936222f376d9d3.exe"
      2⤵
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4368
      • 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:4864
      • 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:2460
        • 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:3792
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
          PID:1132
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3912 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4264

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wffhg32f.o4b.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

              968cb9309758126772781b83adb8a28f

              SHA1

              8da30e71accf186b2ba11da1797cf67f8f78b47c

              SHA256

              92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

              SHA512

              4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

              Filesize

              19KB

              MD5

              947f279b831e86e5ff8febd055b0fc2d

              SHA1

              da01595dfc4ef0de40c1e216a32fe75411f755aa

              SHA256

              b0c4db7a8ac0b973c8bd4ef34026ac3cb99d81a97153d14fb0e720e8b18d9229

              SHA512

              28129092de310d30986f62ed6502c9e54ec46fada4d7a2f67ae23fc162cbf7cf0b893462d4a5795b70d8f85983f0944c9d9955772829f4fc294c59bbe2e1fda1

            • memory/1132-126-0x0000000006310000-0x0000000006664000-memory.dmp

              Filesize

              3.3MB

            • memory/1132-116-0x0000000003180000-0x0000000003190000-memory.dmp

              Filesize

              64KB

            • memory/1132-114-0x0000000074990000-0x0000000075140000-memory.dmp

              Filesize

              7.7MB

            • memory/1132-115-0x0000000003180000-0x0000000003190000-memory.dmp

              Filesize

              64KB

            • memory/3616-58-0x0000000007DC0000-0x0000000007DCA000-memory.dmp

              Filesize

              40KB

            • memory/3616-13-0x0000000005B50000-0x0000000006178000-memory.dmp

              Filesize

              6.2MB

            • memory/3616-15-0x0000000006180000-0x00000000061E6000-memory.dmp

              Filesize

              408KB

            • memory/3616-16-0x00000000062A0000-0x0000000006306000-memory.dmp

              Filesize

              408KB

            • memory/3616-9-0x00000000034A0000-0x00000000034B0000-memory.dmp

              Filesize

              64KB

            • memory/3616-26-0x0000000006670000-0x00000000069C4000-memory.dmp

              Filesize

              3.3MB

            • memory/3616-28-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/3616-30-0x00000000065B0000-0x00000000065CE000-memory.dmp

              Filesize

              120KB

            • memory/3616-31-0x00000000034A0000-0x00000000034B0000-memory.dmp

              Filesize

              64KB

            • memory/3616-32-0x0000000006A90000-0x0000000006ADC000-memory.dmp

              Filesize

              304KB

            • memory/3616-33-0x00000000034A0000-0x00000000034B0000-memory.dmp

              Filesize

              64KB

            • memory/3616-37-0x0000000006CA0000-0x0000000006CE4000-memory.dmp

              Filesize

              272KB

            • memory/3616-38-0x00000000034A0000-0x00000000034B0000-memory.dmp

              Filesize

              64KB

            • memory/3616-39-0x0000000007C50000-0x0000000007CC6000-memory.dmp

              Filesize

              472KB

            • memory/3616-10-0x0000000003330000-0x0000000003366000-memory.dmp

              Filesize

              216KB

            • memory/3616-12-0x00000000034A0000-0x00000000034B0000-memory.dmp

              Filesize

              64KB

            • memory/3616-61-0x0000000007E10000-0x0000000007E21000-memory.dmp

              Filesize

              68KB

            • memory/3616-66-0x00000000081C0000-0x00000000081DA000-memory.dmp

              Filesize

              104KB

            • memory/3616-63-0x00000000080E0000-0x00000000080F4000-memory.dmp

              Filesize

              80KB

            • memory/3616-41-0x0000000008410000-0x0000000008A8A000-memory.dmp

              Filesize

              6.5MB

            • memory/3616-42-0x0000000007000000-0x000000000701A000-memory.dmp

              Filesize

              104KB

            • memory/3616-43-0x000000007F3F0000-0x000000007F400000-memory.dmp

              Filesize

              64KB

            • memory/3616-44-0x0000000007F50000-0x0000000007F82000-memory.dmp

              Filesize

              200KB

            • memory/3616-45-0x0000000070790000-0x00000000707DC000-memory.dmp

              Filesize

              304KB

            • memory/3616-46-0x0000000070910000-0x0000000070C64000-memory.dmp

              Filesize

              3.3MB

            • memory/3616-56-0x0000000007F10000-0x0000000007F2E000-memory.dmp

              Filesize

              120KB

            • memory/3616-57-0x0000000007F90000-0x0000000008033000-memory.dmp

              Filesize

              652KB

            • memory/3616-7-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/3616-62-0x0000000008040000-0x000000000804E000-memory.dmp

              Filesize

              56KB

            • memory/3616-60-0x0000000008100000-0x0000000008196000-memory.dmp

              Filesize

              600KB

            • memory/3616-14-0x0000000005920000-0x0000000005942000-memory.dmp

              Filesize

              136KB

            • memory/3616-71-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/3616-67-0x00000000081B0000-0x00000000081B8000-memory.dmp

              Filesize

              32KB

            • memory/3616-65-0x00000000034A0000-0x00000000034B0000-memory.dmp

              Filesize

              64KB

            • memory/4076-6-0x0000000003BE0000-0x0000000003FDA000-memory.dmp

              Filesize

              4.0MB

            • memory/4076-1-0x0000000003BE0000-0x0000000003FDA000-memory.dmp

              Filesize

              4.0MB

            • memory/4076-59-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4076-73-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4076-40-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4076-2-0x0000000003FE0000-0x00000000048CB000-memory.dmp

              Filesize

              8.9MB

            • memory/4076-3-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4076-4-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4076-5-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4076-8-0x0000000003FE0000-0x00000000048CB000-memory.dmp

              Filesize

              8.9MB

            • memory/4368-105-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4368-75-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4368-112-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4368-110-0x0000000000400000-0x0000000001E08000-memory.dmp

              Filesize

              26.0MB

            • memory/4368-74-0x0000000003AD0000-0x0000000003ED1000-memory.dmp

              Filesize

              4.0MB

            • memory/4368-106-0x0000000003AD0000-0x0000000003ED1000-memory.dmp

              Filesize

              4.0MB

            • memory/4864-92-0x0000000071030000-0x0000000071384000-memory.dmp

              Filesize

              3.3MB

            • memory/4864-104-0x0000000007F20000-0x0000000007F34000-memory.dmp

              Filesize

              80KB

            • memory/4864-103-0x0000000007EB0000-0x0000000007EC1000-memory.dmp

              Filesize

              68KB

            • memory/4864-109-0x0000000074990000-0x0000000075140000-memory.dmp

              Filesize

              7.7MB

            • memory/4864-102-0x0000000007BC0000-0x0000000007C63000-memory.dmp

              Filesize

              652KB

            • memory/4864-91-0x0000000070890000-0x00000000708DC000-memory.dmp

              Filesize

              304KB

            • memory/4864-90-0x0000000005610000-0x0000000005620000-memory.dmp

              Filesize

              64KB

            • memory/4864-89-0x0000000006F10000-0x0000000006F5C000-memory.dmp

              Filesize

              304KB

            • memory/4864-80-0x00000000063A0000-0x00000000066F4000-memory.dmp

              Filesize

              3.3MB

            • memory/4864-78-0x0000000005610000-0x0000000005620000-memory.dmp

              Filesize

              64KB

            • memory/4864-76-0x0000000074990000-0x0000000075140000-memory.dmp

              Filesize

              7.7MB

            • memory/4864-77-0x0000000005610000-0x0000000005620000-memory.dmp

              Filesize

              64KB