Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-05-2024 18:12

General

  • Target

    089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7.exe

  • Size

    4.1MB

  • MD5

    2f4187b5d3fed824939197f7d1c850be

  • SHA1

    be00943c6561d69e6805ae728dd4a3a75ff30b8a

  • SHA256

    089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7

  • SHA512

    03ea33b028c44fd08a69fad0473d7a74ffa1e1fc7362483b55a051f48771910a64eb415f76e6761021564e18deb9b9fe9a223bea8d51f7281b5383fd71a2d94a

  • SSDEEP

    98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gb:QC1IraEjIw04m/Xfo4a5yka2Q+gb

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 15 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • 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
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 25 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\089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7.exe
    "C:\Users\Admin\AppData\Local\Temp\089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • 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:1028
    • C:\Users\Admin\AppData\Local\Temp\089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7.exe
      "C:\Users\Admin\AppData\Local\Temp\089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7.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:1936
      • 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:5028
      • 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:4936
        • 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:5020
      • 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:2828
      • 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:3780
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:1980
        • 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:1676
        • 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:3588
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1864
          • 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:2816
          • 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:2300
          • 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⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1636
          • 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:4760
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4440
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4744
              • C:\Windows\SysWOW64\sc.exe
                sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
                6⤵
                • Launches sc.exe
                • Suspicious use of AdjustPrivilegeToken
                PID:4888
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Modifies data under HKEY_USERS
      PID:4416

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5kpzgyxd.5yf.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

      141a886f512b34a06d9fdb20e07b1bca

      SHA1

      c1c5cc525b60f7575b7ec976bc7a035761f88f77

      SHA256

      df9f0cb8c3ef6c24bfa427d3492b8dd2793c81c8edb4978f1759930e74ad592e

      SHA512

      8889da2661f0e608d51579698af492d1e76be50d28a29ee95b2ed57638409f6cdf80e58d5f37ace59670ab6ba7281c90c81c9b505b88c13d0f6223d9d233e452

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

      Filesize

      19KB

      MD5

      b70993e72eca3e35b349e212b093d0ca

      SHA1

      7b5cfc3a68ffd7192e383f37fef571edc7ea11df

      SHA256

      8dd61b80be8b0746ce4968104c61ce785cae87a42ac3033709daaaef841d542a

      SHA512

      77da8dd140fc6eec4adc2618505b19f41f001b9e7d4581aabf8d2163b956e8059eef56d4b649738bd76d77da9bba85939aaed5667e08e96b631174c16205278d

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

      Filesize

      19KB

      MD5

      aafa4fc5fa0e99deca9dd5fffd4322b7

      SHA1

      08fc186adab34e6763df2034d6ae3de67ed73c7a

      SHA256

      100b0ba6d786e19c5b0dea3fd272f7d011418998e032c6c53afe8210bf32621a

      SHA512

      ea68407f6f5a53bbe8b0cc6a3c70a0951db3fdf7c34ab7f2e10f0633f3c26c320e655a7fe754bc49f3585c294844121eb3f5439c8c279f3a0a442ce1823746ef

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

      Filesize

      19KB

      MD5

      08a73738518c49de752721b4dcb0a454

      SHA1

      f0dabe4c58601bdac6138a048818a8aceaf74022

      SHA256

      0294d4e4397bfd1ac88d7381a9ef16ba9440750318df123ef4ac28538082222f

      SHA512

      0dd13aa66b32524d07b6e8f52fcf47c3aaff28622d7492f5a26b3b673f333fd8c6c478906c645a98ff4f190a56947f3ec777b1c291e2dc963999b45a4177903f

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

      Filesize

      19KB

      MD5

      54955c277592e027ad174844465247cd

      SHA1

      1d69bcead99a2456f7a1622645daa4035f4e7c4c

      SHA256

      3748d90fda2fceb9e5ea2a229c13f32657607d27c828f4af34a357bf821e179a

      SHA512

      4c43432c25e2fd7c0c4e06a4eb9652df2cb53841e27e0b9ad39f2c33dbbc2e01cadfe9d2dca805809f715538212519ea1185325749de12dc09f9d478e314ebe5

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      2f4187b5d3fed824939197f7d1c850be

      SHA1

      be00943c6561d69e6805ae728dd4a3a75ff30b8a

      SHA256

      089044389e60fede8122f6f8bdc54b38185490cd554a56ef891e23a20253e0d7

      SHA512

      03ea33b028c44fd08a69fad0473d7a74ffa1e1fc7362483b55a051f48771910a64eb415f76e6761021564e18deb9b9fe9a223bea8d51f7281b5383fd71a2d94a

    • memory/1028-46-0x0000000007D80000-0x0000000007D9A000-memory.dmp

      Filesize

      104KB

    • memory/1028-43-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

      Filesize

      68KB

    • memory/1028-9-0x00000000058C0000-0x0000000005926000-memory.dmp

      Filesize

      408KB

    • memory/1028-11-0x00000000061A0000-0x0000000006206000-memory.dmp

      Filesize

      408KB

    • memory/1028-17-0x0000000006210000-0x0000000006567000-memory.dmp

      Filesize

      3.3MB

    • memory/1028-21-0x00000000066B0000-0x00000000066CE000-memory.dmp

      Filesize

      120KB

    • memory/1028-22-0x0000000006750000-0x000000000679C000-memory.dmp

      Filesize

      304KB

    • memory/1028-23-0x0000000006B20000-0x0000000006B66000-memory.dmp

      Filesize

      280KB

    • memory/1028-24-0x0000000007AE0000-0x0000000007B14000-memory.dmp

      Filesize

      208KB

    • memory/1028-35-0x0000000007B20000-0x0000000007B3E000-memory.dmp

      Filesize

      120KB

    • memory/1028-37-0x0000000074D40000-0x00000000754F1000-memory.dmp

      Filesize

      7.7MB

    • memory/1028-36-0x0000000007B40000-0x0000000007BE4000-memory.dmp

      Filesize

      656KB

    • memory/1028-26-0x00000000711C0000-0x0000000071517000-memory.dmp

      Filesize

      3.3MB

    • memory/1028-25-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

      Filesize

      304KB

    • memory/1028-38-0x0000000074D40000-0x00000000754F1000-memory.dmp

      Filesize

      7.7MB

    • memory/1028-40-0x0000000007C70000-0x0000000007C8A000-memory.dmp

      Filesize

      104KB

    • memory/1028-39-0x00000000082B0000-0x000000000892A000-memory.dmp

      Filesize

      6.5MB

    • memory/1028-41-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

      Filesize

      40KB

    • memory/1028-42-0x0000000007DC0000-0x0000000007E56000-memory.dmp

      Filesize

      600KB

    • memory/1028-10-0x0000000074D40000-0x00000000754F1000-memory.dmp

      Filesize

      7.7MB

    • memory/1028-44-0x0000000007D20000-0x0000000007D2E000-memory.dmp

      Filesize

      56KB

    • memory/1028-45-0x0000000007D30000-0x0000000007D45000-memory.dmp

      Filesize

      84KB

    • memory/1028-7-0x00000000059C0000-0x0000000005FEA000-memory.dmp

      Filesize

      6.2MB

    • memory/1028-47-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

      Filesize

      32KB

    • memory/1028-50-0x0000000074D40000-0x00000000754F1000-memory.dmp

      Filesize

      7.7MB

    • memory/1028-5-0x0000000005200000-0x0000000005236000-memory.dmp

      Filesize

      216KB

    • memory/1028-6-0x0000000074D40000-0x00000000754F1000-memory.dmp

      Filesize

      7.7MB

    • memory/1028-8-0x0000000005720000-0x0000000005742000-memory.dmp

      Filesize

      136KB

    • memory/1028-4-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

      Filesize

      4KB

    • memory/1676-140-0x0000000071130000-0x0000000071487000-memory.dmp

      Filesize

      3.3MB

    • memory/1676-139-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

      Filesize

      304KB

    • memory/1676-137-0x0000000005C70000-0x0000000005FC7000-memory.dmp

      Filesize

      3.3MB

    • memory/1932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1932-76-0x0000000004DE0000-0x00000000056CB000-memory.dmp

      Filesize

      8.9MB

    • memory/1932-2-0x0000000004DE0000-0x00000000056CB000-memory.dmp

      Filesize

      8.9MB

    • memory/1932-53-0x00000000049D0000-0x0000000004DD3000-memory.dmp

      Filesize

      4.0MB

    • memory/1932-52-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1932-1-0x00000000049D0000-0x0000000004DD3000-memory.dmp

      Filesize

      4.0MB

    • memory/1932-101-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1936-100-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1936-127-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-213-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-186-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-187-0x00000000755C0000-0x0000000075627000-memory.dmp

      Filesize

      412KB

    • memory/1980-202-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-203-0x00000000755C0000-0x0000000075627000-memory.dmp

      Filesize

      412KB

    • memory/1980-206-0x0000000075530000-0x0000000075571000-memory.dmp

      Filesize

      260KB

    • memory/1980-221-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-229-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-237-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-188-0x00000000755A0000-0x00000000755BE000-memory.dmp

      Filesize

      120KB

    • memory/1980-245-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/1980-189-0x0000000075580000-0x0000000075591000-memory.dmp

      Filesize

      68KB

    • memory/1980-253-0x0000000000400000-0x0000000002B0B000-memory.dmp

      Filesize

      39.0MB

    • memory/2300-184-0x0000000005A60000-0x0000000005DB7000-memory.dmp

      Filesize

      3.3MB

    • memory/2300-191-0x0000000071100000-0x0000000071457000-memory.dmp

      Filesize

      3.3MB

    • memory/2300-190-0x0000000070ED0000-0x0000000070F1C000-memory.dmp

      Filesize

      304KB

    • memory/2816-173-0x00000000076A0000-0x00000000076B1000-memory.dmp

      Filesize

      68KB

    • memory/2816-174-0x0000000005EA0000-0x0000000005EB5000-memory.dmp

      Filesize

      84KB

    • memory/2816-163-0x0000000071120000-0x0000000071477000-memory.dmp

      Filesize

      3.3MB

    • memory/2816-162-0x0000000070ED0000-0x0000000070F1C000-memory.dmp

      Filesize

      304KB

    • memory/2816-161-0x0000000006110000-0x000000000615C000-memory.dmp

      Filesize

      304KB

    • memory/2816-150-0x0000000005B10000-0x0000000005E67000-memory.dmp

      Filesize

      3.3MB

    • memory/2816-172-0x00000000072F0000-0x0000000007394000-memory.dmp

      Filesize

      656KB

    • memory/2828-89-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

      Filesize

      304KB

    • memory/2828-90-0x0000000071200000-0x0000000071557000-memory.dmp

      Filesize

      3.3MB

    • memory/3780-113-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

      Filesize

      304KB

    • memory/3780-111-0x0000000005BB0000-0x0000000005F07000-memory.dmp

      Filesize

      3.3MB

    • memory/3780-114-0x0000000071150000-0x00000000714A7000-memory.dmp

      Filesize

      3.3MB

    • memory/4416-210-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4416-219-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4416-235-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4440-211-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4440-208-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/5028-75-0x0000000007890000-0x00000000078A5000-memory.dmp

      Filesize

      84KB

    • memory/5028-74-0x0000000007840000-0x0000000007851000-memory.dmp

      Filesize

      68KB

    • memory/5028-73-0x00000000074F0000-0x0000000007594000-memory.dmp

      Filesize

      656KB

    • memory/5028-63-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

      Filesize

      304KB

    • memory/5028-64-0x0000000071200000-0x0000000071557000-memory.dmp

      Filesize

      3.3MB

    • memory/5028-54-0x0000000005D60000-0x00000000060B7000-memory.dmp

      Filesize

      3.3MB