Analysis

  • max time kernel
    160s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    29/08/2021, 02:16

General

  • Target

    5b9805d7b48c07d06c115c68f6453126.exe

  • Size

    142KB

  • MD5

    5b9805d7b48c07d06c115c68f6453126

  • SHA1

    5d9fd16789e50eeb8dde5cfe06562328ae1620e2

  • SHA256

    5739ea70dbe1a9d014b42300149b2ccbcf628cf08af00053708003caf3bbc14d

  • SHA512

    2e19f2979ebea298e526586cd858f1da2ba19ef0a3903244f6dcd930cc478b5034014fb4d9df3f568eb04fdb8a6329847609834ec330002728ea1858fd7528c2

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Sergey

C2

51.254.68.139:15009

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

WORD1

C2

94.26.249.88:1902

Extracted

Family

redline

Botnet

nn

C2

135.181.49.56:47634

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 15 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • 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
  • Nirsoft 7 IoCs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 20 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 18 IoCs
  • 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 8 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 13 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.

  • Modifies data under HKEY_USERS 6 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b9805d7b48c07d06c115c68f6453126.exe
    "C:\Users\Admin\AppData\Local\Temp\5b9805d7b48c07d06c115c68f6453126.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\5b9805d7b48c07d06c115c68f6453126.exe
      "C:\Users\Admin\AppData\Local\Temp\5b9805d7b48c07d06c115c68f6453126.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1380
  • C:\Users\Admin\AppData\Local\Temp\7D99.exe
    C:\Users\Admin\AppData\Local\Temp\7D99.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1700
  • C:\Users\Admin\AppData\Local\Temp\7F8D.exe
    C:\Users\Admin\AppData\Local\Temp\7F8D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ecfwafhb\
      2⤵
        PID:292
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ipboxklf.exe" C:\Windows\SysWOW64\ecfwafhb\
        2⤵
          PID:824
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ecfwafhb binPath= "C:\Windows\SysWOW64\ecfwafhb\ipboxklf.exe /d\"C:\Users\Admin\AppData\Local\Temp\7F8D.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1408
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ecfwafhb "wifi internet conection"
            2⤵
              PID:1924
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ecfwafhb
              2⤵
                PID:1364
              • 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:1872
              • C:\Users\Admin\AppData\Local\Temp\8087.exe
                C:\Users\Admin\AppData\Local\Temp\8087.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:528
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1436
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2004
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:428
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1368
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2208
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2456
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2708
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2888
                • C:\Users\Admin\AppData\Local\Temp\8087.exe
                  C:\Users\Admin\AppData\Local\Temp\8087.exe
                  2⤵
                    PID:3028
                • C:\Users\Admin\AppData\Local\Temp\84CC.exe
                  C:\Users\Admin\AppData\Local\Temp\84CC.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Modifies system certificate store
                  • Suspicious use of AdjustPrivilegeToken
                  PID:984
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                    2⤵
                      PID:2180
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                      2⤵
                        PID:2284
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                        2⤵
                          PID:2304
                      • C:\Users\Admin\AppData\Local\Temp\8E11.exe
                        C:\Users\Admin\AppData\Local\Temp\8E11.exe
                        1⤵
                        • Executes dropped EXE
                        • Checks BIOS information in registry
                        • Checks whether UAC is enabled
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1740
                      • C:\Windows\SysWOW64\ecfwafhb\ipboxklf.exe
                        C:\Windows\SysWOW64\ecfwafhb\ipboxklf.exe /d"C:\Users\Admin\AppData\Local\Temp\7F8D.exe"
                        1⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        PID:872
                        • C:\Windows\SysWOW64\svchost.exe
                          svchost.exe
                          2⤵
                          • Drops file in System32 directory
                          • Suspicious use of SetThreadContext
                          • Modifies data under HKEY_USERS
                          PID:1812
                          • 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:2644
                      • C:\Users\Admin\AppData\Local\Temp\9BD7.exe
                        C:\Users\Admin\AppData\Local\Temp\9BD7.exe
                        1⤵
                        • Executes dropped EXE
                        • Checks BIOS information in registry
                        • Checks whether UAC is enabled
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        PID:1852
                      • C:\Users\Admin\AppData\Local\Temp\9D5E.exe
                        C:\Users\Admin\AppData\Local\Temp\9D5E.exe
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Suspicious use of SetThreadContext
                        • Suspicious use of AdjustPrivilegeToken
                        • System policy modification
                        PID:1972
                        • C:\Users\Admin\AppData\Local\Temp\32d7b2c8-184b-489a-acec-f570bf723829\AdvancedRun.exe
                          "C:\Users\Admin\AppData\Local\Temp\32d7b2c8-184b-489a-acec-f570bf723829\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\32d7b2c8-184b-489a-acec-f570bf723829\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                          2⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1940
                          • C:\Users\Admin\AppData\Local\Temp\32d7b2c8-184b-489a-acec-f570bf723829\AdvancedRun.exe
                            "C:\Users\Admin\AppData\Local\Temp\32d7b2c8-184b-489a-acec-f570bf723829\AdvancedRun.exe" /SpecialRun 4101d8 1940
                            3⤵
                            • Executes dropped EXE
                            • Suspicious use of AdjustPrivilegeToken
                            PID:2088
                        • 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\9D5E.exe" -Force
                          2⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2420
                        • 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\9D5E.exe" -Force
                          2⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2396
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                          2⤵
                            PID:2516
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
                            C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
                            2⤵
                              PID:2628
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                              C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                              2⤵
                                PID:2740
                            • C:\Users\Admin\AppData\Local\Temp\A01D.exe
                              C:\Users\Admin\AppData\Local\Temp\A01D.exe
                              1⤵
                              • Executes dropped EXE
                              PID:1960
                            • C:\Users\Admin\AppData\Local\Temp\A2EC.exe
                              C:\Users\Admin\AppData\Local\Temp\A2EC.exe
                              1⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              PID:1592
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:1572
                              • C:\Windows\explorer.exe
                                C:\Windows\explorer.exe
                                1⤵
                                  PID:1356
                                • C:\Windows\SysWOW64\explorer.exe
                                  C:\Windows\SysWOW64\explorer.exe
                                  1⤵
                                    PID:1204
                                  • C:\Windows\explorer.exe
                                    C:\Windows\explorer.exe
                                    1⤵
                                      PID:1548
                                    • C:\Windows\SysWOW64\explorer.exe
                                      C:\Windows\SysWOW64\explorer.exe
                                      1⤵
                                        PID:1748
                                      • C:\Windows\explorer.exe
                                        C:\Windows\explorer.exe
                                        1⤵
                                          PID:2108
                                        • C:\Windows\SysWOW64\explorer.exe
                                          C:\Windows\SysWOW64\explorer.exe
                                          1⤵
                                            PID:2244
                                          • C:\Windows\explorer.exe
                                            C:\Windows\explorer.exe
                                            1⤵
                                              PID:2360
                                            • C:\Windows\SysWOW64\explorer.exe
                                              C:\Windows\SysWOW64\explorer.exe
                                              1⤵
                                                PID:2376

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/428-166-0x0000000000E50000-0x0000000000E51000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/528-79-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/528-91-0x0000000004990000-0x0000000004991000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/872-107-0x0000000000400000-0x0000000001D75000-memory.dmp

                                                Filesize

                                                25.5MB

                                              • memory/984-86-0x00000000002B0000-0x00000000002B1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/984-99-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/984-164-0x0000000000510000-0x0000000000541000-memory.dmp

                                                Filesize

                                                196KB

                                              • memory/1204-161-0x0000000000320000-0x0000000000327000-memory.dmp

                                                Filesize

                                                28KB

                                              • memory/1204-154-0x000000006CCF1000-0x000000006CCF3000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1204-162-0x0000000000310000-0x000000000031B000-memory.dmp

                                                Filesize

                                                44KB

                                              • memory/1276-64-0x0000000002AC0000-0x0000000002AD6000-memory.dmp

                                                Filesize

                                                88KB

                                              • memory/1356-150-0x0000000000070000-0x0000000000077000-memory.dmp

                                                Filesize

                                                28KB

                                              • memory/1356-152-0x0000000000060000-0x000000000006C000-memory.dmp

                                                Filesize

                                                48KB

                                              • memory/1368-197-0x00000000006C0000-0x00000000006C1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1380-60-0x0000000000400000-0x0000000000409000-memory.dmp

                                                Filesize

                                                36KB

                                              • memory/1380-62-0x00000000760B1000-0x00000000760B3000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1436-104-0x0000000000400000-0x0000000000422000-memory.dmp

                                                Filesize

                                                136KB

                                              • memory/1436-109-0x0000000000400000-0x0000000000422000-memory.dmp

                                                Filesize

                                                136KB

                                              • memory/1436-119-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1548-167-0x0000000000060000-0x000000000006F000-memory.dmp

                                                Filesize

                                                60KB

                                              • memory/1548-165-0x0000000000070000-0x0000000000079000-memory.dmp

                                                Filesize

                                                36KB

                                              • memory/1572-148-0x0000000000080000-0x00000000000EB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/1572-135-0x000000006E091000-0x000000006E093000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1572-146-0x0000000000190000-0x0000000000204000-memory.dmp

                                                Filesize

                                                464KB

                                              • memory/1592-142-0x0000000003530000-0x00000000035BF000-memory.dmp

                                                Filesize

                                                572KB

                                              • memory/1592-147-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                                Filesize

                                                25.7MB

                                              • memory/1740-100-0x00000000008F0000-0x00000000008F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1740-105-0x00000000050B0000-0x00000000050B1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1748-178-0x0000000000320000-0x0000000000325000-memory.dmp

                                                Filesize

                                                20KB

                                              • memory/1748-181-0x0000000000310000-0x0000000000319000-memory.dmp

                                                Filesize

                                                36KB

                                              • memory/1812-112-0x00000000000D0000-0x00000000000E5000-memory.dmp

                                                Filesize

                                                84KB

                                              • memory/1828-78-0x0000000000400000-0x0000000001D75000-memory.dmp

                                                Filesize

                                                25.5MB

                                              • memory/1828-77-0x0000000000220000-0x0000000000233000-memory.dmp

                                                Filesize

                                                76KB

                                              • memory/1852-126-0x0000000000D20000-0x0000000000D21000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1924-63-0x0000000000220000-0x000000000022A000-memory.dmp

                                                Filesize

                                                40KB

                                              • memory/1972-122-0x0000000000B30000-0x0000000000B31000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1972-144-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1972-139-0x00000000020E0000-0x0000000002152000-memory.dmp

                                                Filesize

                                                456KB

                                              • memory/2004-145-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2108-192-0x0000000000070000-0x0000000000076000-memory.dmp

                                                Filesize

                                                24KB

                                              • memory/2108-196-0x0000000000060000-0x000000000006C000-memory.dmp

                                                Filesize

                                                48KB

                                              • memory/2304-198-0x0000000000400000-0x0000000000420000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/2304-200-0x0000000000400000-0x0000000000420000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/2396-223-0x0000000004B10000-0x0000000004B11000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2396-217-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2644-227-0x0000000000210000-0x0000000000301000-memory.dmp

                                                Filesize

                                                964KB

                                              • memory/2740-224-0x0000000000400000-0x0000000000422000-memory.dmp

                                                Filesize

                                                136KB

                                              • memory/2740-229-0x0000000000400000-0x0000000000422000-memory.dmp

                                                Filesize

                                                136KB