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Analysis

  • max time kernel
    1800s
  • max time network
    1600s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-07-2021 22:09

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

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 (19).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1996
    • 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:808
  • C:\Users\Admin\AppData\Local\Temp\9972.exe
    C:\Users\Admin\AppData\Local\Temp\9972.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:868
  • C:\Users\Admin\AppData\Local\Temp\9AF9.exe
    C:\Users\Admin\AppData\Local\Temp\9AF9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1496
  • C:\Users\Admin\AppData\Local\Temp\F22E.exe
    C:\Users\Admin\AppData\Local\Temp\F22E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Local\Temp\F22E.exe
      C:\Users\Admin\AppData\Local\Temp\F22E.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:276
  • C:\Users\Admin\AppData\Local\Temp\F6D0.exe
    C:\Users\Admin\AppData\Local\Temp\F6D0.exe
    1⤵
    • Executes dropped EXE
    PID:1004
  • C:\Users\Admin\AppData\Local\Temp\F941.exe
    C:\Users\Admin\AppData\Local\Temp\F941.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:984
  • C:\Users\Admin\AppData\Local\Temp\1CA.exe
    C:\Users\Admin\AppData\Local\Temp\1CA.exe
    1⤵
    • Executes dropped EXE
    PID:920
  • C:\Users\Admin\AppData\Local\Temp\B4D.exe
    C:\Users\Admin\AppData\Local\Temp\B4D.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\B4D.exe
      C:\Users\Admin\AppData\Local\Temp\B4D.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:820
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1668
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1528
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1620
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1608
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1196
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:892
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1084
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1944
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1732
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {24A52333-6F56-4F20-B753-4BFBB674B295} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                      1⤵
                        PID:1488
                        • C:\Users\Admin\AppData\Roaming\vhiciva
                          C:\Users\Admin\AppData\Roaming\vhiciva
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:316
                          • C:\Users\Admin\AppData\Roaming\vhiciva
                            C:\Users\Admin\AppData\Roaming\vhiciva
                            3⤵
                            • Executes dropped EXE
                            PID:1064
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {5AE4D215-D6A7-4AED-AB90-72D2637D830E} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                        1⤵
                          PID:652
                          • C:\Users\Admin\AppData\Roaming\vhiciva
                            C:\Users\Admin\AppData\Roaming\vhiciva
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:848
                            • C:\Users\Admin\AppData\Roaming\vhiciva
                              C:\Users\Admin\AppData\Roaming\vhiciva
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:1996
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {BDE864ED-6EE8-44FB-9746-A562AFCE73B6} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                          1⤵
                            PID:608
                            • C:\Users\Admin\AppData\Roaming\vhiciva
                              C:\Users\Admin\AppData\Roaming\vhiciva
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:1984
                              • C:\Users\Admin\AppData\Roaming\vhiciva
                                C:\Users\Admin\AppData\Roaming\vhiciva
                                3⤵
                                • Executes dropped EXE
                                PID:1848

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/276-86-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/276-93-0x00000000008D0000-0x00000000008D1000-memory.dmp

                            Filesize

                            4KB

                          • memory/276-89-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/772-78-0x0000000001210000-0x0000000001211000-memory.dmp

                            Filesize

                            4KB

                          • memory/772-80-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

                            Filesize

                            4KB

                          • memory/808-60-0x0000000000400000-0x000000000040C000-memory.dmp

                            Filesize

                            48KB

                          • memory/808-62-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

                            Filesize

                            8KB

                          • memory/820-122-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/820-127-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

                            Filesize

                            4KB

                          • memory/820-119-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/892-145-0x0000000000070000-0x0000000000076000-memory.dmp

                            Filesize

                            24KB

                          • memory/892-146-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/984-109-0x0000000000400000-0x00000000004A0000-memory.dmp

                            Filesize

                            640KB

                          • memory/984-105-0x0000000000510000-0x00000000005A1000-memory.dmp

                            Filesize

                            580KB

                          • memory/1084-151-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1084-150-0x0000000000090000-0x0000000000094000-memory.dmp

                            Filesize

                            16KB

                          • memory/1196-142-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/1196-143-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1288-179-0x00000000021D0000-0x00000000021E7000-memory.dmp

                            Filesize

                            92KB

                          • memory/1288-66-0x0000000002BE0000-0x0000000002BF7000-memory.dmp

                            Filesize

                            92KB

                          • memory/1528-111-0x0000000000070000-0x0000000000077000-memory.dmp

                            Filesize

                            28KB

                          • memory/1528-112-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1564-97-0x0000000000F90000-0x0000000000F91000-memory.dmp

                            Filesize

                            4KB

                          • memory/1564-103-0x0000000000400000-0x0000000000401000-memory.dmp

                            Filesize

                            4KB

                          • memory/1608-128-0x0000000000070000-0x0000000000079000-memory.dmp

                            Filesize

                            36KB

                          • memory/1608-129-0x0000000000060000-0x000000000006F000-memory.dmp

                            Filesize

                            60KB

                          • memory/1620-125-0x0000000000090000-0x0000000000097000-memory.dmp

                            Filesize

                            28KB

                          • memory/1620-126-0x0000000000080000-0x000000000008B000-memory.dmp

                            Filesize

                            44KB

                          • memory/1620-117-0x000000006EE21000-0x000000006EE23000-memory.dmp

                            Filesize

                            8KB

                          • memory/1668-114-0x00000000001A0000-0x0000000000214000-memory.dmp

                            Filesize

                            464KB

                          • memory/1668-116-0x0000000000130000-0x000000000019B000-memory.dmp

                            Filesize

                            428KB

                          • memory/1668-106-0x0000000073411000-0x0000000073413000-memory.dmp

                            Filesize

                            8KB

                          • memory/1732-158-0x00000000000D0000-0x00000000000D5000-memory.dmp

                            Filesize

                            20KB

                          • memory/1732-159-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1944-154-0x0000000000060000-0x0000000000069000-memory.dmp

                            Filesize

                            36KB

                          • memory/1944-153-0x0000000000070000-0x0000000000075000-memory.dmp

                            Filesize

                            20KB

                          • memory/1996-64-0x0000000000220000-0x000000000022C000-memory.dmp

                            Filesize

                            48KB