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Analysis

  • max time kernel
    1800s
  • max time network
    1599s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (20).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

C2

45.93.4.12:80

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.

  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 11 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.

  • 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.

  • 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 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (20).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1676
  • C:\Users\Admin\AppData\Local\Temp\C84E.exe
    C:\Users\Admin\AppData\Local\Temp\C84E.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1704
  • C:\Users\Admin\AppData\Local\Temp\CA14.exe
    C:\Users\Admin\AppData\Local\Temp\CA14.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:628
  • C:\Users\Admin\AppData\Local\Temp\20AC.exe
    C:\Users\Admin\AppData\Local\Temp\20AC.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\20AC.exe
      C:\Users\Admin\AppData\Local\Temp\20AC.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1368
  • C:\Users\Admin\AppData\Local\Temp\2530.exe
    C:\Users\Admin\AppData\Local\Temp\2530.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1652
  • C:\Users\Admin\AppData\Local\Temp\27DF.exe
    C:\Users\Admin\AppData\Local\Temp\27DF.exe
    1⤵
    • Executes dropped EXE
    PID:1196
  • C:\Users\Admin\AppData\Local\Temp\346E.exe
    C:\Users\Admin\AppData\Local\Temp\346E.exe
    1⤵
    • Executes dropped EXE
    PID:1344
  • C:\Users\Admin\AppData\Local\Temp\3C4B.exe
    C:\Users\Admin\AppData\Local\Temp\3C4B.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Users\Admin\AppData\Local\Temp\3C4B.exe
      C:\Users\Admin\AppData\Local\Temp\3C4B.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1928
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1692
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1672
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1632
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1176
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1992
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:940
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1516
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1640
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1056
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {6161A7FD-4E3E-480D-A0D6-AAF94F1687F7} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                      1⤵
                        PID:1032
                        • C:\Users\Admin\AppData\Roaming\gjjdgas
                          C:\Users\Admin\AppData\Roaming\gjjdgas
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:1704
                          • C:\Users\Admin\AppData\Roaming\gjjdgas
                            C:\Users\Admin\AppData\Roaming\gjjdgas
                            3⤵
                            • Executes dropped EXE
                            PID:544
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {B584A3C7-1068-46A8-ACE1-E2F81FFC80CA} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                        1⤵
                          PID:408
                          • C:\Users\Admin\AppData\Roaming\gjjdgas
                            C:\Users\Admin\AppData\Roaming\gjjdgas
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:1408
                            • C:\Users\Admin\AppData\Roaming\gjjdgas
                              C:\Users\Admin\AppData\Roaming\gjjdgas
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:1716
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {FC0FF4A7-0973-4FA7-BD38-77FE3E8FA200} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                          1⤵
                            PID:1980
                            • C:\Users\Admin\AppData\Roaming\gjjdgas
                              C:\Users\Admin\AppData\Roaming\gjjdgas
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:188
                              • C:\Users\Admin\AppData\Roaming\gjjdgas
                                C:\Users\Admin\AppData\Roaming\gjjdgas
                                3⤵
                                • Executes dropped EXE
                                PID:772

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/940-152-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/940-151-0x0000000000070000-0x0000000000076000-memory.dmp

                            Filesize

                            24KB

                          • memory/1056-157-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/1056-158-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1176-145-0x00000000000E0000-0x00000000000EF000-memory.dmp

                            Filesize

                            60KB

                          • memory/1176-144-0x00000000000F0000-0x00000000000F9000-memory.dmp

                            Filesize

                            36KB

                          • memory/1196-100-0x0000000000310000-0x00000000003A1000-memory.dmp

                            Filesize

                            580KB

                          • memory/1196-106-0x0000000000400000-0x00000000004A0000-memory.dmp

                            Filesize

                            640KB

                          • memory/1276-178-0x0000000002B50000-0x0000000002B67000-memory.dmp

                            Filesize

                            92KB

                          • memory/1276-65-0x0000000002B20000-0x0000000002B37000-memory.dmp

                            Filesize

                            92KB

                          • memory/1332-104-0x00000000005E0000-0x00000000005E1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1332-95-0x00000000013E0000-0x00000000013E1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1368-85-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1368-88-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1368-107-0x0000000004A60000-0x0000000004A61000-memory.dmp

                            Filesize

                            4KB

                          • memory/1516-154-0x00000000000C0000-0x00000000000C9000-memory.dmp

                            Filesize

                            36KB

                          • memory/1516-153-0x00000000000D0000-0x00000000000D4000-memory.dmp

                            Filesize

                            16KB

                          • memory/1632-114-0x000000006F011000-0x000000006F013000-memory.dmp

                            Filesize

                            8KB

                          • memory/1632-143-0x0000000000080000-0x000000000008B000-memory.dmp

                            Filesize

                            44KB

                          • memory/1632-142-0x0000000000090000-0x0000000000097000-memory.dmp

                            Filesize

                            28KB

                          • memory/1640-156-0x0000000000060000-0x0000000000069000-memory.dmp

                            Filesize

                            36KB

                          • memory/1640-155-0x0000000000070000-0x0000000000075000-memory.dmp

                            Filesize

                            20KB

                          • memory/1672-141-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1672-140-0x0000000000070000-0x0000000000077000-memory.dmp

                            Filesize

                            28KB

                          • memory/1676-59-0x0000000000400000-0x000000000040C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1676-61-0x00000000760B1000-0x00000000760B3000-memory.dmp

                            Filesize

                            8KB

                          • memory/1692-105-0x000000006F281000-0x000000006F283000-memory.dmp

                            Filesize

                            8KB

                          • memory/1692-109-0x0000000000210000-0x0000000000284000-memory.dmp

                            Filesize

                            464KB

                          • memory/1692-108-0x0000000000080000-0x00000000000EB000-memory.dmp

                            Filesize

                            428KB

                          • memory/1728-79-0x00000000046E0000-0x00000000046E1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1728-77-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1928-115-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1928-118-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1928-147-0x0000000004D10000-0x0000000004D11000-memory.dmp

                            Filesize

                            4KB

                          • memory/1992-150-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1992-149-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/2032-62-0x0000000000230000-0x000000000023C000-memory.dmp

                            Filesize

                            48KB