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Analysis

  • max time kernel
    1800s
  • max time network
    1630s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    12-07-2021 16:55

General

  • Target

    toolspab2 (2).exe

  • Size

    315KB

  • MD5

    585c257e0b345b762e7cdc407d8f9da2

  • SHA1

    ffee403d97b76c3460fc166b9d5ce1205cd216a5

  • SHA256

    4a0ecbcf9b54ed1c9654eb9ee214a797f48c980c6d03a261f62fa9671a2733d6

  • SHA512

    14d39a6cd1c6d912cae7c35e2a98affcd5a9c1df6b947c42de65344e08d34912b09ccac83f9d8c3213b4e3d555769801e8218cb3f4b970d1d08606ee5a454ba8

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

1

C2

45.32.235.238:45555

Extracted

Family

redline

Botnet

0.1.28.7

C2

gishaobera.xyz:80

Signatures

  • 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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • 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 13 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
  • 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 6 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 system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (2).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1256
  • C:\Users\Admin\AppData\Local\Temp\E762.exe
    C:\Users\Admin\AppData\Local\Temp\E762.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1468
  • C:\Users\Admin\AppData\Local\Temp\E966.exe
    C:\Users\Admin\AppData\Local\Temp\E966.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1460
  • C:\Users\Admin\AppData\Local\Temp\EBA8.exe
    C:\Users\Admin\AppData\Local\Temp\EBA8.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\EBA8.exe
      C:\Users\Admin\AppData\Local\Temp\EBA8.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1592
  • C:\Users\Admin\AppData\Local\Temp\F25D.exe
    C:\Users\Admin\AppData\Local\Temp\F25D.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    PID:620
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\F25D.exe"
      2⤵
        PID:564
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          3⤵
          • Delays execution with timeout.exe
          PID:1848
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      1⤵
        PID:304
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe
        1⤵
          PID:1540
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          1⤵
            PID:1964
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            1⤵
              PID:316
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:916
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:1688
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:1160
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:1912
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:1352
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {03DEC7DE-79DA-45A5-A5FC-2AC0B23D1BF3} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                        1⤵
                          PID:1604
                          • C:\Users\Admin\AppData\Roaming\rfwfadj
                            C:\Users\Admin\AppData\Roaming\rfwfadj
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:1572
                            • C:\Users\Admin\AppData\Roaming\rfwfadj
                              C:\Users\Admin\AppData\Roaming\rfwfadj
                              3⤵
                              • Executes dropped EXE
                              PID:1916
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {BA00C4F3-75C8-4794-B3B0-B478DFC8E259} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                          1⤵
                            PID:1092
                            • C:\Users\Admin\AppData\Roaming\rfwfadj
                              C:\Users\Admin\AppData\Roaming\rfwfadj
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:1644
                              • C:\Users\Admin\AppData\Roaming\rfwfadj
                                C:\Users\Admin\AppData\Roaming\rfwfadj
                                3⤵
                                • Executes dropped EXE
                                • Loads dropped DLL
                                • Checks SCSI registry key(s)
                                • Suspicious behavior: MapViewOfSection
                                PID:536
                          • C:\Users\Admin\AppData\Local\Temp\66D3.exe
                            C:\Users\Admin\AppData\Local\Temp\66D3.exe
                            1⤵
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • Suspicious use of SetThreadContext
                            • Suspicious use of AdjustPrivilegeToken
                            PID:944
                            • C:\Users\Admin\AppData\Local\Temp\66D3.exe
                              C:\Users\Admin\AppData\Local\Temp\66D3.exe
                              2⤵
                              • Executes dropped EXE
                              PID:1764
                            • C:\Users\Admin\AppData\Local\Temp\66D3.exe
                              C:\Users\Admin\AppData\Local\Temp\66D3.exe
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1680
                            • C:\Users\Admin\AppData\Local\Temp\66D3.exe
                              C:\Users\Admin\AppData\Local\Temp\66D3.exe
                              2⤵
                              • Executes dropped EXE
                              PID:1608
                          • C:\Windows\system32\taskeng.exe
                            taskeng.exe {1A550F56-0E98-4452-AA98-0A9F498D15B7} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                            1⤵
                              PID:1848
                              • C:\Users\Admin\AppData\Roaming\rfwfadj
                                C:\Users\Admin\AppData\Roaming\rfwfadj
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                PID:548
                                • C:\Users\Admin\AppData\Roaming\rfwfadj
                                  C:\Users\Admin\AppData\Roaming\rfwfadj
                                  3⤵
                                  • Executes dropped EXE
                                  PID:860

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/304-87-0x0000000000080000-0x00000000000EB000-memory.dmp

                              Filesize

                              428KB

                            • memory/304-86-0x00000000000F0000-0x0000000000164000-memory.dmp

                              Filesize

                              464KB

                            • memory/304-85-0x0000000071541000-0x0000000071543000-memory.dmp

                              Filesize

                              8KB

                            • memory/316-104-0x0000000000060000-0x000000000006F000-memory.dmp

                              Filesize

                              60KB

                            • memory/316-103-0x0000000000070000-0x0000000000079000-memory.dmp

                              Filesize

                              36KB

                            • memory/916-109-0x0000000000080000-0x0000000000089000-memory.dmp

                              Filesize

                              36KB

                            • memory/916-108-0x0000000000090000-0x0000000000095000-memory.dmp

                              Filesize

                              20KB

                            • memory/944-158-0x0000000000270000-0x0000000000279000-memory.dmp

                              Filesize

                              36KB

                            • memory/944-157-0x0000000000470000-0x0000000000471000-memory.dmp

                              Filesize

                              4KB

                            • memory/944-155-0x0000000000080000-0x0000000000081000-memory.dmp

                              Filesize

                              4KB

                            • memory/1160-117-0x0000000000080000-0x0000000000089000-memory.dmp

                              Filesize

                              36KB

                            • memory/1160-116-0x0000000000090000-0x0000000000094000-memory.dmp

                              Filesize

                              16KB

                            • memory/1160-63-0x0000000000220000-0x000000000022C000-memory.dmp

                              Filesize

                              48KB

                            • memory/1256-59-0x0000000000400000-0x000000000040C000-memory.dmp

                              Filesize

                              48KB

                            • memory/1256-61-0x0000000075551000-0x0000000075553000-memory.dmp

                              Filesize

                              8KB

                            • memory/1264-151-0x0000000002A20000-0x0000000002A37000-memory.dmp

                              Filesize

                              92KB

                            • memory/1264-64-0x0000000002AB0000-0x0000000002AC7000-memory.dmp

                              Filesize

                              92KB

                            • memory/1352-125-0x0000000000080000-0x0000000000089000-memory.dmp

                              Filesize

                              36KB

                            • memory/1352-124-0x0000000000090000-0x0000000000095000-memory.dmp

                              Filesize

                              20KB

                            • memory/1540-89-0x0000000000070000-0x0000000000077000-memory.dmp

                              Filesize

                              28KB

                            • memory/1540-90-0x0000000000060000-0x000000000006C000-memory.dmp

                              Filesize

                              48KB

                            • memory/1592-99-0x0000000002010000-0x0000000002011000-memory.dmp

                              Filesize

                              4KB

                            • memory/1592-94-0x0000000000400000-0x000000000041E000-memory.dmp

                              Filesize

                              120KB

                            • memory/1592-91-0x0000000000400000-0x000000000041E000-memory.dmp

                              Filesize

                              120KB

                            • memory/1680-167-0x0000000000400000-0x000000000041E000-memory.dmp

                              Filesize

                              120KB

                            • memory/1680-169-0x0000000001F60000-0x0000000001F61000-memory.dmp

                              Filesize

                              4KB

                            • memory/1680-164-0x0000000000400000-0x000000000041E000-memory.dmp

                              Filesize

                              120KB

                            • memory/1688-111-0x0000000000070000-0x0000000000076000-memory.dmp

                              Filesize

                              24KB

                            • memory/1688-112-0x0000000000060000-0x000000000006C000-memory.dmp

                              Filesize

                              48KB

                            • memory/1912-119-0x0000000000070000-0x0000000000075000-memory.dmp

                              Filesize

                              20KB

                            • memory/1912-120-0x0000000000060000-0x0000000000069000-memory.dmp

                              Filesize

                              36KB

                            • memory/1948-79-0x0000000004360000-0x0000000004361000-memory.dmp

                              Filesize

                              4KB

                            • memory/1948-76-0x0000000000930000-0x0000000000931000-memory.dmp

                              Filesize

                              4KB

                            • memory/1964-98-0x000000006F4F1000-0x000000006F4F3000-memory.dmp

                              Filesize

                              8KB

                            • memory/1964-100-0x0000000000090000-0x0000000000097000-memory.dmp

                              Filesize

                              28KB

                            • memory/1964-101-0x0000000000080000-0x000000000008B000-memory.dmp

                              Filesize

                              44KB