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Analysis

  • max time kernel
    1803s
  • max time network
    1575s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (14).exe

  • Size

    315KB

  • MD5

    1d20e1f65938e837ef1b88f10f1bd6c3

  • SHA1

    703d7098dbfc476d2181b7fc041cc23e49c368f1

  • SHA256

    05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d

  • SHA512

    f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

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 (14).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (14).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (14).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (14).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1712
  • C:\Users\Admin\AppData\Local\Temp\6384.exe
    C:\Users\Admin\AppData\Local\Temp\6384.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1472
  • C:\Users\Admin\AppData\Local\Temp\64EC.exe
    C:\Users\Admin\AppData\Local\Temp\64EC.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1460
  • C:\Users\Admin\AppData\Local\Temp\BC11.exe
    C:\Users\Admin\AppData\Local\Temp\BC11.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\BC11.exe
      C:\Users\Admin\AppData\Local\Temp\BC11.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1516
  • C:\Users\Admin\AppData\Local\Temp\C0D2.exe
    C:\Users\Admin\AppData\Local\Temp\C0D2.exe
    1⤵
    • Executes dropped EXE
    PID:764
  • C:\Users\Admin\AppData\Local\Temp\C363.exe
    C:\Users\Admin\AppData\Local\Temp\C363.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:944
  • C:\Users\Admin\AppData\Local\Temp\CC59.exe
    C:\Users\Admin\AppData\Local\Temp\CC59.exe
    1⤵
    • Executes dropped EXE
    PID:1096
  • C:\Users\Admin\AppData\Local\Temp\D6F4.exe
    C:\Users\Admin\AppData\Local\Temp\D6F4.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\Temp\D6F4.exe
      C:\Users\Admin\AppData\Local\Temp\D6F4.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1572
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1640
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1344
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1664
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1892
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1612
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1144
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1756
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1816
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {3F444CD4-7F5A-4286-9C92-B6A17486F60A} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                      1⤵
                        PID:1716
                        • C:\Users\Admin\AppData\Roaming\ivajvur
                          C:\Users\Admin\AppData\Roaming\ivajvur
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:524
                          • C:\Users\Admin\AppData\Roaming\ivajvur
                            C:\Users\Admin\AppData\Roaming\ivajvur
                            3⤵
                            • Executes dropped EXE
                            PID:112
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {D921F7CD-954B-4535-828E-EC3E1BD8E347} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                        1⤵
                          PID:1500
                          • C:\Users\Admin\AppData\Roaming\ivajvur
                            C:\Users\Admin\AppData\Roaming\ivajvur
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:1396
                            • C:\Users\Admin\AppData\Roaming\ivajvur
                              C:\Users\Admin\AppData\Roaming\ivajvur
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:1788
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {64EB697D-FCA7-45D8-B17A-5644EEAF4A0C} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                          1⤵
                            PID:2000
                            • C:\Users\Admin\AppData\Roaming\ivajvur
                              C:\Users\Admin\AppData\Roaming\ivajvur
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:188
                              • C:\Users\Admin\AppData\Roaming\ivajvur
                                C:\Users\Admin\AppData\Roaming\ivajvur
                                3⤵
                                • Executes dropped EXE
                                PID:992

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/764-104-0x0000000000360000-0x00000000003F1000-memory.dmp

                            Filesize

                            580KB

                          • memory/944-109-0x0000000000400000-0x00000000004A0000-memory.dmp

                            Filesize

                            640KB

                          • memory/1144-150-0x00000000000D0000-0x00000000000D4000-memory.dmp

                            Filesize

                            16KB

                          • memory/1144-151-0x00000000000C0000-0x00000000000C9000-memory.dmp

                            Filesize

                            36KB

                          • memory/1224-66-0x0000000002AB0000-0x0000000002AC7000-memory.dmp

                            Filesize

                            92KB

                          • memory/1224-179-0x0000000002AE0000-0x0000000002AF7000-memory.dmp

                            Filesize

                            92KB

                          • memory/1344-125-0x0000000000090000-0x0000000000097000-memory.dmp

                            Filesize

                            28KB

                          • memory/1344-117-0x000000006F7A1000-0x000000006F7A3000-memory.dmp

                            Filesize

                            8KB

                          • memory/1344-126-0x0000000000080000-0x000000000008B000-memory.dmp

                            Filesize

                            44KB

                          • memory/1496-60-0x0000000000220000-0x000000000022C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1512-103-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1512-96-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1516-88-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1516-91-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1516-114-0x00000000006B0000-0x00000000006B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1572-105-0x0000000074471000-0x0000000074473000-memory.dmp

                            Filesize

                            8KB

                          • memory/1572-111-0x0000000000080000-0x00000000000EB000-memory.dmp

                            Filesize

                            428KB

                          • memory/1572-108-0x00000000001E0000-0x0000000000254000-memory.dmp

                            Filesize

                            464KB

                          • memory/1596-129-0x0000000000C80000-0x0000000000C81000-memory.dmp

                            Filesize

                            4KB

                          • memory/1596-122-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1596-119-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1612-139-0x00000000000F0000-0x00000000000F6000-memory.dmp

                            Filesize

                            24KB

                          • memory/1612-140-0x00000000000E0000-0x00000000000EC000-memory.dmp

                            Filesize

                            48KB

                          • memory/1640-113-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1640-112-0x00000000000F0000-0x00000000000F7000-memory.dmp

                            Filesize

                            28KB

                          • memory/1660-78-0x0000000000B80000-0x0000000000B81000-memory.dmp

                            Filesize

                            4KB

                          • memory/1660-85-0x0000000004290000-0x0000000004291000-memory.dmp

                            Filesize

                            4KB

                          • memory/1664-131-0x0000000000070000-0x0000000000079000-memory.dmp

                            Filesize

                            36KB

                          • memory/1664-132-0x0000000000060000-0x000000000006F000-memory.dmp

                            Filesize

                            60KB

                          • memory/1712-61-0x0000000000400000-0x000000000040C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1712-63-0x00000000767B1000-0x00000000767B3000-memory.dmp

                            Filesize

                            8KB

                          • memory/1756-154-0x0000000000060000-0x0000000000069000-memory.dmp

                            Filesize

                            36KB

                          • memory/1756-153-0x0000000000070000-0x0000000000075000-memory.dmp

                            Filesize

                            20KB

                          • memory/1816-159-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1816-158-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/1892-137-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1892-136-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB