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Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27/09/2021, 10:25

General

  • Target

    468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a.exe

  • Size

    136KB

  • MD5

    42063670a9f840af6338afa9d8804a4a

  • SHA1

    cadaef80fe8f4d03a1f262ad9c8b90de0e000657

  • SHA256

    468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a

  • SHA512

    9a95476860705158df9351fade5e3759962c722bd3ee01f3f29b8acaed5a63ea1c81e9456b697ce84a04f0757e3f5bc6c871902531aa90c38f546da264a6209f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

karma

C2

94.103.9.133:39323

Extracted

Family

redline

Botnet

Bliss

C2

185.237.98.178:62607

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • 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 4 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.

  • Chinese Botnet Payload 1 IoCs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 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 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 14 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 SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a.exe
    "C:\Users\Admin\AppData\Local\Temp\468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Local\Temp\468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a.exe
      "C:\Users\Admin\AppData\Local\Temp\468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1000
  • C:\Users\Admin\AppData\Local\Temp\DB86.exe
    C:\Users\Admin\AppData\Local\Temp\DB86.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe
      "C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:492
    • C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe
      "C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2436
    • C:\Users\Admin\AppData\Local\Temp\fbf.exe
      "C:\Users\Admin\AppData\Local\Temp\fbf.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Checks processor information in registry
      • Suspicious use of SetWindowsHookEx
      PID:3932
  • C:\Users\Admin\AppData\Local\Temp\DF7F.exe
    C:\Users\Admin\AppData\Local\Temp\DF7F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gvugabdz\
      2⤵
        PID:3964
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkgmxhzf.exe" C:\Windows\SysWOW64\gvugabdz\
        2⤵
          PID:476
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create gvugabdz binPath= "C:\Windows\SysWOW64\gvugabdz\qkgmxhzf.exe /d\"C:\Users\Admin\AppData\Local\Temp\DF7F.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2856
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description gvugabdz "wifi internet conection"
            2⤵
              PID:1016
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start gvugabdz
              2⤵
                PID:1048
              • 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:936
              • C:\Users\Admin\AppData\Local\Temp\E339.exe
                C:\Users\Admin\AppData\Local\Temp\E339.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:3832
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\E339.exe"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2644
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /T 10 /NOBREAK
                    3⤵
                    • Delays execution with timeout.exe
                    PID:3812
              • C:\Windows\SysWOW64\gvugabdz\qkgmxhzf.exe
                C:\Windows\SysWOW64\gvugabdz\qkgmxhzf.exe /d"C:\Users\Admin\AppData\Local\Temp\DF7F.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:3944
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:3164
                  • 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:60

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/8-117-0x00000000004E0000-0x00000000004F6000-memory.dmp

                Filesize

                88KB

              • memory/60-199-0x0000000000410000-0x0000000000501000-memory.dmp

                Filesize

                964KB

              • memory/492-165-0x0000000001FE0000-0x0000000002010000-memory.dmp

                Filesize

                192KB

              • memory/492-177-0x0000000004BE3000-0x0000000004BE4000-memory.dmp

                Filesize

                4KB

              • memory/492-183-0x0000000005190000-0x0000000005191000-memory.dmp

                Filesize

                4KB

              • memory/492-179-0x00000000024A0000-0x00000000024BE000-memory.dmp

                Filesize

                120KB

              • memory/492-174-0x0000000004BE2000-0x0000000004BE3000-memory.dmp

                Filesize

                4KB

              • memory/492-173-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

                Filesize

                4KB

              • memory/492-172-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

                Filesize

                4KB

              • memory/492-169-0x00000000021D0000-0x00000000021EF000-memory.dmp

                Filesize

                124KB

              • memory/492-193-0x0000000007170000-0x0000000007171000-memory.dmp

                Filesize

                4KB

              • memory/492-196-0x0000000004BE4000-0x0000000004BE6000-memory.dmp

                Filesize

                8KB

              • memory/492-209-0x0000000008AB0000-0x0000000008AB1000-memory.dmp

                Filesize

                4KB

              • memory/492-166-0x0000000000400000-0x00000000004C5000-memory.dmp

                Filesize

                788KB

              • memory/804-114-0x00000000001D0000-0x00000000001D9000-memory.dmp

                Filesize

                36KB

              • memory/1000-115-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

              • memory/2092-121-0x0000000000370000-0x0000000000371000-memory.dmp

                Filesize

                4KB

              • memory/2436-182-0x00000000050D0000-0x00000000050D1000-memory.dmp

                Filesize

                4KB

              • memory/2436-213-0x0000000008F30000-0x0000000008F31000-memory.dmp

                Filesize

                4KB

              • memory/2436-211-0x0000000007560000-0x0000000007561000-memory.dmp

                Filesize

                4KB

              • memory/2436-191-0x0000000005B90000-0x0000000005B91000-memory.dmp

                Filesize

                4KB

              • memory/2436-167-0x0000000002100000-0x0000000002137000-memory.dmp

                Filesize

                220KB

              • memory/2436-168-0x0000000000400000-0x00000000004CB000-memory.dmp

                Filesize

                812KB

              • memory/2436-188-0x0000000005840000-0x0000000005841000-memory.dmp

                Filesize

                4KB

              • memory/2436-185-0x0000000005820000-0x0000000005821000-memory.dmp

                Filesize

                4KB

              • memory/2436-170-0x0000000002220000-0x0000000002243000-memory.dmp

                Filesize

                140KB

              • memory/2436-207-0x00000000086D0000-0x00000000086D1000-memory.dmp

                Filesize

                4KB

              • memory/2436-171-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

                Filesize

                4KB

              • memory/2436-203-0x0000000007EF0000-0x0000000007EF1000-memory.dmp

                Filesize

                4KB

              • memory/2436-176-0x0000000004BC2000-0x0000000004BC3000-memory.dmp

                Filesize

                4KB

              • memory/2436-195-0x0000000004BC4000-0x0000000004BC6000-memory.dmp

                Filesize

                8KB

              • memory/2436-180-0x00000000025C0000-0x00000000025E2000-memory.dmp

                Filesize

                136KB

              • memory/2436-178-0x0000000004BC3000-0x0000000004BC4000-memory.dmp

                Filesize

                4KB

              • memory/2436-205-0x00000000080C0000-0x00000000080C1000-memory.dmp

                Filesize

                4KB

              • memory/2440-130-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB

              • memory/2440-129-0x00000000001E0000-0x00000000001F3000-memory.dmp

                Filesize

                76KB

              • memory/3164-142-0x0000000000640000-0x0000000000655000-memory.dmp

                Filesize

                84KB

              • memory/3832-134-0x0000000000640000-0x000000000078A000-memory.dmp

                Filesize

                1.3MB

              • memory/3832-135-0x0000000000400000-0x00000000004F0000-memory.dmp

                Filesize

                960KB

              • memory/3932-189-0x0000000010000000-0x0000000010018000-memory.dmp

                Filesize

                96KB

              • memory/3932-164-0x0000000000400000-0x00000000004C4000-memory.dmp

                Filesize

                784KB

              • memory/3932-163-0x0000000002160000-0x000000000221C000-memory.dmp

                Filesize

                752KB

              • memory/3944-146-0x00000000005B0000-0x00000000006FA000-memory.dmp

                Filesize

                1.3MB

              • memory/3944-147-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB