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Analysis

  • max time kernel
    1800s
  • max time network
    1591s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (16).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 (16).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (16).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (16).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (16).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1204
  • C:\Users\Admin\AppData\Local\Temp\4CC9.exe
    C:\Users\Admin\AppData\Local\Temp\4CC9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:576
  • C:\Users\Admin\AppData\Local\Temp\4E50.exe
    C:\Users\Admin\AppData\Local\Temp\4E50.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:852
  • C:\Users\Admin\AppData\Local\Temp\A565.exe
    C:\Users\Admin\AppData\Local\Temp\A565.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\A565.exe
      C:\Users\Admin\AppData\Local\Temp\A565.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1060
  • C:\Users\Admin\AppData\Local\Temp\AA18.exe
    C:\Users\Admin\AppData\Local\Temp\AA18.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1748
  • C:\Users\Admin\AppData\Local\Temp\AC98.exe
    C:\Users\Admin\AppData\Local\Temp\AC98.exe
    1⤵
    • Executes dropped EXE
    PID:996
  • C:\Users\Admin\AppData\Local\Temp\B82D.exe
    C:\Users\Admin\AppData\Local\Temp\B82D.exe
    1⤵
    • Executes dropped EXE
    PID:1016
  • C:\Users\Admin\AppData\Local\Temp\C2C9.exe
    C:\Users\Admin\AppData\Local\Temp\C2C9.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\C2C9.exe
      C:\Users\Admin\AppData\Local\Temp\C2C9.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:752
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:672
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1604
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1072
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:888
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1536
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1056
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:700
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1708
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1952
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {E71BFBD0-B0B9-49A2-96F6-479A13821C7B} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                      1⤵
                        PID:2016
                        • C:\Users\Admin\AppData\Roaming\sdiaccu
                          C:\Users\Admin\AppData\Roaming\sdiaccu
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:1824
                          • C:\Users\Admin\AppData\Roaming\sdiaccu
                            C:\Users\Admin\AppData\Roaming\sdiaccu
                            3⤵
                            • Executes dropped EXE
                            PID:1856
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {CD29FDB4-EECD-45FB-BF59-250C389D6E15} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                        1⤵
                          PID:1448
                          • C:\Users\Admin\AppData\Roaming\sdiaccu
                            C:\Users\Admin\AppData\Roaming\sdiaccu
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:1104
                            • C:\Users\Admin\AppData\Roaming\sdiaccu
                              C:\Users\Admin\AppData\Roaming\sdiaccu
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:520
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {0CF2ABFB-96BF-490C-981F-7A8C461D9CE2} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                          1⤵
                            PID:188
                            • C:\Users\Admin\AppData\Roaming\sdiaccu
                              C:\Users\Admin\AppData\Roaming\sdiaccu
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:588
                              • C:\Users\Admin\AppData\Roaming\sdiaccu
                                C:\Users\Admin\AppData\Roaming\sdiaccu
                                3⤵
                                • Executes dropped EXE
                                PID:1028

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/672-107-0x0000000000170000-0x00000000001E4000-memory.dmp

                            Filesize

                            464KB

                          • memory/672-109-0x0000000000080000-0x00000000000EB000-memory.dmp

                            Filesize

                            428KB

                          • memory/672-105-0x0000000071A31000-0x0000000071A33000-memory.dmp

                            Filesize

                            8KB

                          • memory/700-149-0x0000000000090000-0x0000000000094000-memory.dmp

                            Filesize

                            16KB

                          • memory/700-150-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/752-129-0x00000000044B0000-0x00000000044B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/752-126-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/752-123-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/888-131-0x0000000000060000-0x000000000006F000-memory.dmp

                            Filesize

                            60KB

                          • memory/888-130-0x0000000000070000-0x0000000000079000-memory.dmp

                            Filesize

                            36KB

                          • memory/996-110-0x0000000000400000-0x00000000004A0000-memory.dmp

                            Filesize

                            640KB

                          • memory/1056-144-0x0000000000070000-0x0000000000076000-memory.dmp

                            Filesize

                            24KB

                          • memory/1056-145-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1060-92-0x0000000000F20000-0x0000000000F21000-memory.dmp

                            Filesize

                            4KB

                          • memory/1060-88-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1060-85-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1072-116-0x000000006EF71000-0x000000006EF73000-memory.dmp

                            Filesize

                            8KB

                          • memory/1072-122-0x0000000000080000-0x000000000008B000-memory.dmp

                            Filesize

                            44KB

                          • memory/1072-118-0x0000000000090000-0x0000000000097000-memory.dmp

                            Filesize

                            28KB

                          • memory/1204-59-0x0000000000400000-0x000000000040C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1204-61-0x0000000074F31000-0x0000000074F33000-memory.dmp

                            Filesize

                            8KB

                          • memory/1208-178-0x0000000002B60000-0x0000000002B77000-memory.dmp

                            Filesize

                            92KB

                          • memory/1208-65-0x0000000002140000-0x0000000002157000-memory.dmp

                            Filesize

                            92KB

                          • memory/1360-97-0x00000000002A0000-0x00000000002A1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1360-101-0x00000000047D0000-0x00000000047D1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1464-77-0x0000000001080000-0x0000000001081000-memory.dmp

                            Filesize

                            4KB

                          • memory/1464-82-0x0000000000A60000-0x0000000000A61000-memory.dmp

                            Filesize

                            4KB

                          • memory/1536-141-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/1536-142-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1604-113-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1604-112-0x0000000000070000-0x0000000000077000-memory.dmp

                            Filesize

                            28KB

                          • memory/1660-63-0x00000000001B0000-0x00000000001BC000-memory.dmp

                            Filesize

                            48KB

                          • memory/1708-152-0x0000000000070000-0x0000000000075000-memory.dmp

                            Filesize

                            20KB

                          • memory/1708-153-0x0000000000060000-0x0000000000069000-memory.dmp

                            Filesize

                            36KB

                          • memory/1748-99-0x0000000000540000-0x00000000005D1000-memory.dmp

                            Filesize

                            580KB

                          • memory/1952-158-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1952-157-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB