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10-07-2021 13:25

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09-07-2021 23:00

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09-07-2021 16:08

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Analysis

  • max time kernel
    1802s
  • max time network
    1784s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    10-07-2021 13:25

General

  • Target

    toolspab2 (19).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

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 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 12 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 3 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.

  • 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 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 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 (19).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1248
  • C:\Users\Admin\AppData\Local\Temp\CC92.exe
    C:\Users\Admin\AppData\Local\Temp\CC92.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1108
  • C:\Users\Admin\AppData\Local\Temp\CE19.exe
    C:\Users\Admin\AppData\Local\Temp\CE19.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:552
  • C:\Users\Admin\AppData\Local\Temp\D126.exe
    C:\Users\Admin\AppData\Local\Temp\D126.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Local\Temp\D126.exe
      C:\Users\Admin\AppData\Local\Temp\D126.exe
      2⤵
      • Executes dropped EXE
      PID:1092
  • C:\Users\Admin\AppData\Local\Temp\D655.exe
    C:\Users\Admin\AppData\Local\Temp\D655.exe
    1⤵
    • Executes dropped EXE
    PID:620
  • C:\Users\Admin\AppData\Local\Temp\D83A.exe
    C:\Users\Admin\AppData\Local\Temp\D83A.exe
    1⤵
    • Executes dropped EXE
    PID:1880
  • C:\Users\Admin\AppData\Local\Temp\DD88.exe
    C:\Users\Admin\AppData\Local\Temp\DD88.exe
    1⤵
    • Executes dropped EXE
    PID:916
  • C:\Users\Admin\AppData\Local\Temp\E537.exe
    C:\Users\Admin\AppData\Local\Temp\E537.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:308
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1584
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1532
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1824
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1088
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1580
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:792
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1992
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:364
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1844
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {4189DC5F-DC3B-40C3-805D-8D6614F6D984} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                      1⤵
                        PID:1804
                        • C:\Users\Admin\AppData\Roaming\satdbaw
                          C:\Users\Admin\AppData\Roaming\satdbaw
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:1612
                          • C:\Users\Admin\AppData\Roaming\satdbaw
                            C:\Users\Admin\AppData\Roaming\satdbaw
                            3⤵
                            • Executes dropped EXE
                            PID:1976
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {FCE0E1F2-B015-42FD-894D-16248419FC9A} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                        1⤵
                          PID:916
                          • C:\Users\Admin\AppData\Roaming\satdbaw
                            C:\Users\Admin\AppData\Roaming\satdbaw
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:512
                            • C:\Users\Admin\AppData\Roaming\satdbaw
                              C:\Users\Admin\AppData\Roaming\satdbaw
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:1852

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/308-105-0x0000000004E30000-0x0000000004E31000-memory.dmp

                          Filesize

                          4KB

                        • memory/308-97-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

                          Filesize

                          4KB

                        • memory/364-131-0x00000000000F0000-0x00000000000F5000-memory.dmp

                          Filesize

                          20KB

                        • memory/364-132-0x00000000000E0000-0x00000000000E9000-memory.dmp

                          Filesize

                          36KB

                        • memory/620-92-0x0000000000220000-0x00000000002B1000-memory.dmp

                          Filesize

                          580KB

                        • memory/620-93-0x0000000000400000-0x0000000000492000-memory.dmp

                          Filesize

                          584KB

                        • memory/792-124-0x0000000000060000-0x000000000006C000-memory.dmp

                          Filesize

                          48KB

                        • memory/792-123-0x0000000000070000-0x0000000000076000-memory.dmp

                          Filesize

                          24KB

                        • memory/1088-115-0x00000000000F0000-0x00000000000F9000-memory.dmp

                          Filesize

                          36KB

                        • memory/1088-116-0x00000000000E0000-0x00000000000EF000-memory.dmp

                          Filesize

                          60KB

                        • memory/1092-88-0x0000000000400000-0x000000000041E000-memory.dmp

                          Filesize

                          120KB

                        • memory/1216-65-0x0000000002B60000-0x0000000002B77000-memory.dmp

                          Filesize

                          92KB

                        • memory/1216-153-0x0000000002AB0000-0x0000000002AC7000-memory.dmp

                          Filesize

                          92KB

                        • memory/1248-62-0x00000000752B1000-0x00000000752B3000-memory.dmp

                          Filesize

                          8KB

                        • memory/1248-60-0x0000000000400000-0x000000000040C000-memory.dmp

                          Filesize

                          48KB

                        • memory/1472-80-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1472-77-0x00000000003B0000-0x00000000003B1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1532-108-0x00000000000E0000-0x00000000000EC000-memory.dmp

                          Filesize

                          48KB

                        • memory/1532-107-0x00000000000F0000-0x00000000000F7000-memory.dmp

                          Filesize

                          28KB

                        • memory/1580-120-0x0000000000090000-0x0000000000095000-memory.dmp

                          Filesize

                          20KB

                        • memory/1580-121-0x0000000000080000-0x0000000000089000-memory.dmp

                          Filesize

                          36KB

                        • memory/1584-102-0x0000000073B01000-0x0000000073B03000-memory.dmp

                          Filesize

                          8KB

                        • memory/1584-104-0x0000000000150000-0x00000000001BB000-memory.dmp

                          Filesize

                          428KB

                        • memory/1584-103-0x00000000001C0000-0x0000000000234000-memory.dmp

                          Filesize

                          464KB

                        • memory/1816-64-0x0000000000220000-0x000000000022C000-memory.dmp

                          Filesize

                          48KB

                        • memory/1824-112-0x0000000000090000-0x0000000000097000-memory.dmp

                          Filesize

                          28KB

                        • memory/1824-113-0x0000000000080000-0x000000000008B000-memory.dmp

                          Filesize

                          44KB

                        • memory/1824-111-0x000000006E071000-0x000000006E073000-memory.dmp

                          Filesize

                          8KB

                        • memory/1844-137-0x0000000000080000-0x0000000000089000-memory.dmp

                          Filesize

                          36KB

                        • memory/1844-136-0x0000000000090000-0x0000000000095000-memory.dmp

                          Filesize

                          20KB

                        • memory/1992-129-0x00000000000C0000-0x00000000000C9000-memory.dmp

                          Filesize

                          36KB

                        • memory/1992-128-0x00000000000D0000-0x00000000000D4000-memory.dmp

                          Filesize

                          16KB