Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Resubmissions

24/05/2021, 05:31

210524-b4dx7j71fj 10

21/05/2021, 13:30

210521-r42mg8cghe 10

Analysis

  • max time kernel
    1798s
  • max time network
    1290s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21/05/2021, 13:30

General

  • Target

    keygen-step-4.exe

  • Size

    5.6MB

  • MD5

    a110ce3f7366c6bb12553ea17a793110

  • SHA1

    8e10076496347d6324382f20968f3b7c8516eedf

  • SHA256

    0e63f296fdc309cb1e487cd1a549d029d2a9144b8a050db274901030dc6ec0f3

  • SHA512

    dc9103da71a1143365f3c7f39c4a316a9b9cc6e337b601a95d13d68bba777d2145d79a9d44ac96edce71775819e4d4bb2bb0cf7e49627163237ec3580b25c3cf

Malware Config

Extracted

Family

redline

Botnet

ServLyla2

C2

87.251.71.4:80

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 8 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
      PID:1112
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Schedule
      1⤵
        PID:344
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Themes
        1⤵
          PID:1164
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
          1⤵
            PID:996
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s UserManager
            1⤵
            • Modifies registry class
            PID:1368
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s SENS
            1⤵
              PID:1380
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s WpnService
              1⤵
                PID:2724
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2712
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s Browser
                1⤵
                  PID:2604
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
                  1⤵
                    PID:2380
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                    1⤵
                      PID:2368
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                      1⤵
                        PID:1924
                      • C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe
                        "C:\Users\Admin\AppData\Local\Temp\keygen-step-4.exe"
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:4064
                        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Crack.exe
                          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Crack.exe"
                          2⤵
                          • Executes dropped EXE
                          • Checks computer location settings
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:1752
                          • C:\Windows\SysWOW64\rUNdlL32.eXe
                            "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",setuser
                            3⤵
                            • Loads dropped DLL
                            • Modifies registry class
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:3660
                        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\ABCbrow.exe
                          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ABCbrow.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:3532
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                            C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:4132
                        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe
                          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe"
                          2⤵
                          • Executes dropped EXE
                          • Checks whether UAC is enabled
                          • Suspicious use of AdjustPrivilegeToken
                          PID:4168
                        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gaoou.exe
                          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\gaoou.exe"
                          2⤵
                          • Executes dropped EXE
                          • Adds Run key to start application
                          • Suspicious use of WriteProcessMemory
                          PID:4848
                          • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                            C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                            3⤵
                            • Executes dropped EXE
                            PID:4888
                          • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                            C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                            3⤵
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            PID:5024
                          • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                            C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                            3⤵
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4332
                          • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                            C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                            3⤵
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2068
                      • \??\c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s BITS
                        1⤵
                        • Suspicious use of SetThreadContext
                        • Modifies data under HKEY_USERS
                        • Modifies registry class
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:484
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k SystemNetworkService
                          2⤵
                          • Drops file in System32 directory
                          • Checks processor information in registry
                          • Modifies data under HKEY_USERS
                          • Modifies registry class
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:2144

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/344-248-0x00000224AD310000-0x00000224AD380000-memory.dmp

                        Filesize

                        448KB

                      • memory/344-176-0x00000224ACD70000-0x00000224ACDE0000-memory.dmp

                        Filesize

                        448KB

                      • memory/484-144-0x00000213B4950000-0x00000213B49C0000-memory.dmp

                        Filesize

                        448KB

                      • memory/484-140-0x00000213B4890000-0x00000213B48DB000-memory.dmp

                        Filesize

                        300KB

                      • memory/996-240-0x000001DC55400000-0x000001DC55470000-memory.dmp

                        Filesize

                        448KB

                      • memory/996-139-0x000001DC55270000-0x000001DC552E0000-memory.dmp

                        Filesize

                        448KB

                      • memory/1112-159-0x0000019FE7160000-0x0000019FE71D0000-memory.dmp

                        Filesize

                        448KB

                      • memory/1112-246-0x0000019FE7E40000-0x0000019FE7EB0000-memory.dmp

                        Filesize

                        448KB

                      • memory/1164-254-0x00000211005F0000-0x0000021100660000-memory.dmp

                        Filesize

                        448KB

                      • memory/1164-182-0x0000021100500000-0x0000021100570000-memory.dmp

                        Filesize

                        448KB

                      • memory/1368-184-0x000001583B800000-0x000001583B870000-memory.dmp

                        Filesize

                        448KB

                      • memory/1368-256-0x000001583BC20000-0x000001583BC90000-memory.dmp

                        Filesize

                        448KB

                      • memory/1380-178-0x00000193E1C80000-0x00000193E1CF0000-memory.dmp

                        Filesize

                        448KB

                      • memory/1380-250-0x00000193E2340000-0x00000193E23B0000-memory.dmp

                        Filesize

                        448KB

                      • memory/1924-180-0x000001F2A9EB0000-0x000001F2A9F20000-memory.dmp

                        Filesize

                        448KB

                      • memory/1924-252-0x000001F2A9F90000-0x000001F2AA000000-memory.dmp

                        Filesize

                        448KB

                      • memory/2144-225-0x00000199D0390000-0x00000199D0496000-memory.dmp

                        Filesize

                        1.0MB

                      • memory/2144-152-0x00000199CDC70000-0x00000199CDCE0000-memory.dmp

                        Filesize

                        448KB

                      • memory/2368-145-0x000001FB5F9C0000-0x000001FB5F9C2000-memory.dmp

                        Filesize

                        8KB

                      • memory/2368-147-0x000001FB60400000-0x000001FB60470000-memory.dmp

                        Filesize

                        448KB

                      • memory/2368-242-0x000001FB60470000-0x000001FB604E0000-memory.dmp

                        Filesize

                        448KB

                      • memory/2380-153-0x0000024F7FC40000-0x0000024F7FCB0000-memory.dmp

                        Filesize

                        448KB

                      • memory/2380-244-0x0000024F7FCB0000-0x0000024F7FD20000-memory.dmp

                        Filesize

                        448KB

                      • memory/2604-238-0x000001CD00840000-0x000001CD008B0000-memory.dmp

                        Filesize

                        448KB

                      • memory/2604-154-0x000001CD00310000-0x000001CD00380000-memory.dmp

                        Filesize

                        448KB

                      • memory/2712-258-0x0000023DBEF70000-0x0000023DBEFE0000-memory.dmp

                        Filesize

                        448KB

                      • memory/2712-186-0x0000023DBEB40000-0x0000023DBEBB0000-memory.dmp

                        Filesize

                        448KB

                      • memory/2724-260-0x00000231334B0000-0x0000023133520000-memory.dmp

                        Filesize

                        448KB

                      • memory/2724-188-0x0000023132F10000-0x0000023132F80000-memory.dmp

                        Filesize

                        448KB

                      • memory/3532-129-0x00000000006A0000-0x00000000006A1000-memory.dmp

                        Filesize

                        4KB

                      • memory/3532-142-0x00000000028C0000-0x00000000028C9000-memory.dmp

                        Filesize

                        36KB

                      • memory/3532-160-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

                        Filesize

                        4KB

                      • memory/3660-138-0x00000000050A0000-0x00000000050FC000-memory.dmp

                        Filesize

                        368KB

                      • memory/3660-136-0x0000000004F30000-0x0000000005031000-memory.dmp

                        Filesize

                        1.0MB

                      • memory/4132-199-0x0000000005030000-0x0000000005031000-memory.dmp

                        Filesize

                        4KB

                      • memory/4132-197-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4132-200-0x0000000005070000-0x0000000005071000-memory.dmp

                        Filesize

                        4KB

                      • memory/4132-189-0x0000000000400000-0x000000000041C000-memory.dmp

                        Filesize

                        112KB

                      • memory/4132-208-0x00000000052E0000-0x00000000052E1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4132-196-0x0000000005570000-0x0000000005571000-memory.dmp

                        Filesize

                        4KB

                      • memory/4132-214-0x0000000004F60000-0x0000000005566000-memory.dmp

                        Filesize

                        6.0MB

                      • memory/4168-201-0x0000000003780000-0x0000000003790000-memory.dmp

                        Filesize

                        64KB

                      • memory/4168-207-0x0000000003920000-0x0000000003930000-memory.dmp

                        Filesize

                        64KB

                      • memory/4168-198-0x0000000000400000-0x00000000005DB000-memory.dmp

                        Filesize

                        1.9MB