Analysis

  • max time kernel
    162s
  • max time network
    175s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    30/11/2021, 06:27

General

  • Target
    90c52f5d36edf60193c011d98ebbd8aa.exe
  • Size 158KB
  • Sample211130-g7rn6aeabp
  • SHA256 80845dce1fc25d8f618e002b49c8a592d1dd29920b47d582af34c45a1fa19d2e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-data-coin-11.com/

  • http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family
  • redline

C2
  • 92.255.76.197:38637

Extracted

Family
  • arkei

Botnet
  • Default

C2
  • http://file-file-host4.com/tratata.php

Extracted

Family
  • tofsee

C2
  • quadoil.ru

  • lakeflex.ru

Extracted

Family
  • redline

Botnet
  • Lav11

C2
  • 185.92.73.122:19037

Extracted

Family
  • icedid

Campaign
  • 2904573523

C2
  • placingapie.ink

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • RedLine

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

  • RedLine Payload 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Tofsee

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

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Win32/IcedID Request Cookie

    suricata: ET MALWARE Win32/IcedID Request Cookie

  • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

  • xmrig

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

  • Arkei Stealer Payload 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • XMRig Miner Payload 3 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 14 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 7 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.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90c52f5d36edf60193c011d98ebbd8aa.exe
    "C:\Users\Admin\AppData\Local\Temp\90c52f5d36edf60193c011d98ebbd8aa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\90c52f5d36edf60193c011d98ebbd8aa.exe
      "C:\Users\Admin\AppData\Local\Temp\90c52f5d36edf60193c011d98ebbd8aa.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3828
  • C:\Users\Admin\AppData\Local\Temp\5FA0.exe
    C:\Users\Admin\AppData\Local\Temp\5FA0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Users\Admin\AppData\Local\Temp\5FA0.exe
      C:\Users\Admin\AppData\Local\Temp\5FA0.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3536
  • C:\Users\Admin\AppData\Local\Temp\635A.exe
    C:\Users\Admin\AppData\Local\Temp\635A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xjrwpcfm\
      2⤵
        PID:1620
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bupbfuf.exe" C:\Windows\SysWOW64\xjrwpcfm\
        2⤵
          PID:1056
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create xjrwpcfm binPath= "C:\Windows\SysWOW64\xjrwpcfm\bupbfuf.exe /d\"C:\Users\Admin\AppData\Local\Temp\635A.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2240
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description xjrwpcfm "wifi internet conection"
            2⤵
              PID:2888
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start xjrwpcfm
              2⤵
                PID:2304
              • 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:1972
              • C:\Users\Admin\AppData\Local\Temp\65FB.exe
                C:\Users\Admin\AppData\Local\Temp\65FB.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1572
                • C:\Users\Admin\AppData\Local\Temp\65FB.exe
                  C:\Users\Admin\AppData\Local\Temp\65FB.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2584
              • C:\Users\Admin\AppData\Local\Temp\6E69.exe
                C:\Users\Admin\AppData\Local\Temp\6E69.exe
                1⤵
                • Executes dropped EXE
                PID:3032
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 492
                  2⤵
                  • Suspicious use of NtCreateProcessExOtherParentProcess
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3136
              • C:\Users\Admin\AppData\Local\Temp\73B9.exe
                C:\Users\Admin\AppData\Local\Temp\73B9.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Checks processor information in registry
                PID:3008
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\73B9.exe" & exit
                  2⤵
                    PID:2148
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 5
                      3⤵
                      • Delays execution with timeout.exe
                      PID:3956
                • C:\Users\Admin\AppData\Local\Temp\888A.exe
                  C:\Users\Admin\AppData\Local\Temp\888A.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Checks processor information in registry
                  PID:688
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\dbkbLOdkUG & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\888A.exe"
                    2⤵
                      PID:1308
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout 4
                        3⤵
                        • Delays execution with timeout.exe
                        PID:2384
                  • C:\Windows\SysWOW64\xjrwpcfm\bupbfuf.exe
                    C:\Windows\SysWOW64\xjrwpcfm\bupbfuf.exe /d"C:\Users\Admin\AppData\Local\Temp\635A.exe"
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:3476
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe
                      2⤵
                      • Drops file in System32 directory
                      • Suspicious use of SetThreadContext
                      • Modifies data under HKEY_USERS
                      PID:2124
                      • C:\Windows\SysWOW64\svchost.exe
                        svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                        3⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1936
                  • C:\Windows\system32\regsvr32.exe
                    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9339.dll
                    1⤵
                    • Loads dropped DLL
                    PID:2140
                  • C:\Users\Admin\AppData\Local\Temp\A200.exe
                    C:\Users\Admin\AppData\Local\Temp\A200.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:2248
                    • C:\Users\Admin\AppData\Local\Temp\A200.exe
                      "{path}"
                      2⤵
                      • Executes dropped EXE
                      PID:1420
                  • C:\Users\Admin\AppData\Local\Temp\AD3C.exe
                    C:\Users\Admin\AppData\Local\Temp\AD3C.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2184
                  • C:\Users\Admin\AppData\Roaming\uasrjjs
                    C:\Users\Admin\AppData\Roaming\uasrjjs
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:2280
                    • C:\Users\Admin\AppData\Roaming\uasrjjs
                      C:\Users\Admin\AppData\Roaming\uasrjjs
                      2⤵
                      • Executes dropped EXE
                      • Checks SCSI registry key(s)
                      PID:2032

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        memory/688-184-0x0000000000290000-0x0000000000972000-memory.dmp

                        memory/688-183-0x0000000000290000-0x0000000000972000-memory.dmp

                        memory/688-181-0x0000000000290000-0x0000000000972000-memory.dmp

                        memory/688-180-0x0000000000290000-0x0000000000972000-memory.dmp

                        memory/688-179-0x00000000770F0000-0x000000007727E000-memory.dmp

                        memory/1420-255-0x0000000005030000-0x0000000005636000-memory.dmp

                        memory/1420-245-0x0000000000400000-0x0000000000424000-memory.dmp

                        memory/1572-139-0x0000000002C30000-0x0000000002C31000-memory.dmp

                        memory/1572-136-0x00000000008B0000-0x00000000008B1000-memory.dmp

                        memory/1572-140-0x00000000057E0000-0x00000000057E1000-memory.dmp

                        memory/1572-138-0x0000000005130000-0x0000000005131000-memory.dmp

                        memory/1572-141-0x00000000052D0000-0x00000000052D1000-memory.dmp

                        memory/1936-242-0x0000000003270000-0x0000000003361000-memory.dmp

                        memory/1936-237-0x0000000003270000-0x0000000003361000-memory.dmp

                        memory/2124-223-0x0000000000890000-0x0000000000891000-memory.dmp

                        memory/2124-222-0x0000000000890000-0x0000000000891000-memory.dmp

                        memory/2124-220-0x0000000000980000-0x0000000000995000-memory.dmp

                        memory/2140-281-0x0000000000E10000-0x0000000000E73000-memory.dmp

                        memory/2184-211-0x00000000006E0000-0x00000000006E1000-memory.dmp

                        memory/2184-217-0x0000000004910000-0x0000000004911000-memory.dmp

                        memory/2184-209-0x0000000000080000-0x0000000000081000-memory.dmp

                        memory/2248-201-0x0000000002F10000-0x0000000002F11000-memory.dmp

                        memory/2248-202-0x0000000005760000-0x0000000005761000-memory.dmp

                        memory/2248-244-0x0000000007280000-0x000000000729F000-memory.dmp

                        memory/2248-198-0x00000000053C0000-0x00000000053C1000-memory.dmp

                        memory/2248-196-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                        memory/2248-204-0x00000000058D0000-0x00000000058D5000-memory.dmp

                        memory/2248-243-0x00000000071D0000-0x000000000723C000-memory.dmp

                        memory/2248-203-0x0000000005580000-0x0000000005A7E000-memory.dmp

                        memory/2584-191-0x0000000006300000-0x0000000006301000-memory.dmp

                        memory/2584-166-0x0000000005340000-0x0000000005341000-memory.dmp

                        memory/2584-156-0x0000000005950000-0x0000000005951000-memory.dmp

                        memory/2584-157-0x0000000002D20000-0x0000000002D21000-memory.dmp

                        memory/2584-159-0x0000000005450000-0x0000000005451000-memory.dmp

                        memory/2584-225-0x0000000007520000-0x0000000007521000-memory.dmp

                        memory/2584-162-0x0000000005340000-0x0000000005946000-memory.dmp

                        memory/2584-165-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

                        memory/2584-224-0x0000000006E20000-0x0000000006E21000-memory.dmp

                        memory/2584-188-0x0000000005600000-0x0000000005601000-memory.dmp

                        memory/2584-151-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/2680-119-0x00000000001E0000-0x00000000001E9000-memory.dmp

                        memory/2680-118-0x00000000001D0000-0x00000000001D8000-memory.dmp

                        memory/2760-167-0x0000000003350000-0x0000000003363000-memory.dmp

                        memory/2760-168-0x0000000000400000-0x000000000322A000-memory.dmp

                        memory/3008-163-0x0000000002C20000-0x0000000002CCE000-memory.dmp

                        memory/3008-161-0x0000000000400000-0x0000000002B6E000-memory.dmp

                        memory/3008-160-0x0000000002BC0000-0x0000000002BD4000-memory.dmp

                        memory/3032-150-0x0000000000400000-0x000000000042C000-memory.dmp

                        memory/3032-149-0x0000000000430000-0x000000000057A000-memory.dmp

                        memory/3032-148-0x0000000000430000-0x000000000057A000-memory.dmp

                        memory/3040-158-0x0000000000F90000-0x0000000000FA6000-memory.dmp

                        memory/3040-122-0x0000000000D20000-0x0000000000D36000-memory.dmp

                        memory/3476-219-0x0000000003230000-0x000000000337A000-memory.dmp

                        memory/3476-218-0x00000000034D1000-0x00000000034E1000-memory.dmp

                        memory/3476-226-0x0000000000400000-0x000000000322A000-memory.dmp

                        memory/3828-120-0x0000000000400000-0x0000000000409000-memory.dmp

                        memory/4072-132-0x0000000002D50000-0x0000000002D59000-memory.dmp