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Analysis

  • max time kernel
    1802s
  • max time network
    1564s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (1).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 16 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • 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 (1).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1352
  • C:\Users\Admin\AppData\Local\Temp\B0C9.exe
    C:\Users\Admin\AppData\Local\Temp\B0C9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1004
  • C:\Users\Admin\AppData\Local\Temp\B2CC.exe
    C:\Users\Admin\AppData\Local\Temp\B2CC.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1476
  • C:\Users\Admin\AppData\Local\Temp\9A4.exe
    C:\Users\Admin\AppData\Local\Temp\9A4.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Users\Admin\AppData\Local\Temp\9A4.exe
      C:\Users\Admin\AppData\Local\Temp\9A4.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:952
  • C:\Users\Admin\AppData\Local\Temp\E37.exe
    C:\Users\Admin\AppData\Local\Temp\E37.exe
    1⤵
    • Executes dropped EXE
    PID:760
  • C:\Users\Admin\AppData\Local\Temp\10B7.exe
    C:\Users\Admin\AppData\Local\Temp\10B7.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1472
  • C:\Users\Admin\AppData\Local\Temp\19DC.exe
    C:\Users\Admin\AppData\Local\Temp\19DC.exe
    1⤵
    • Executes dropped EXE
    PID:1480
  • C:\Users\Admin\AppData\Local\Temp\26C8.exe
    C:\Users\Admin\AppData\Local\Temp\26C8.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\26C8.exe
      C:\Users\Admin\AppData\Local\Temp\26C8.exe
      2⤵
      • Executes dropped EXE
      PID:1900
    • C:\Users\Admin\AppData\Local\Temp\26C8.exe
      C:\Users\Admin\AppData\Local\Temp\26C8.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1652
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1548
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1196
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1980
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:948
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:428
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1660
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1292
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:548
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1484
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {CDEB3955-B8E9-455C-96E1-CC6579489F1C} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                      1⤵
                        PID:1948
                        • C:\Users\Admin\AppData\Roaming\twajbdh
                          C:\Users\Admin\AppData\Roaming\twajbdh
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:1636
                          • C:\Users\Admin\AppData\Roaming\twajbdh
                            C:\Users\Admin\AppData\Roaming\twajbdh
                            3⤵
                            • Executes dropped EXE
                            PID:296
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {B9D2B459-C811-4D8A-882A-296D3DA5D522} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                        1⤵
                          PID:2036
                          • C:\Users\Admin\AppData\Roaming\twajbdh
                            C:\Users\Admin\AppData\Roaming\twajbdh
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:1684
                            • C:\Users\Admin\AppData\Roaming\twajbdh
                              C:\Users\Admin\AppData\Roaming\twajbdh
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:1648
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {9C17BE47-F30C-4421-AF8A-28568EA96662} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                          1⤵
                            PID:1528
                            • C:\Users\Admin\AppData\Roaming\twajbdh
                              C:\Users\Admin\AppData\Roaming\twajbdh
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:620
                              • C:\Users\Admin\AppData\Roaming\twajbdh
                                C:\Users\Admin\AppData\Roaming\twajbdh
                                3⤵
                                • Executes dropped EXE
                                PID:300

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/428-132-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/428-131-0x00000000000D0000-0x00000000000D5000-memory.dmp

                            Filesize

                            20KB

                          • memory/548-148-0x0000000000070000-0x0000000000075000-memory.dmp

                            Filesize

                            20KB

                          • memory/548-149-0x0000000000060000-0x0000000000069000-memory.dmp

                            Filesize

                            36KB

                          • memory/760-101-0x00000000004F0000-0x0000000000581000-memory.dmp

                            Filesize

                            580KB

                          • memory/760-108-0x0000000000400000-0x00000000004A0000-memory.dmp

                            Filesize

                            640KB

                          • memory/824-78-0x00000000012E0000-0x00000000012E1000-memory.dmp

                            Filesize

                            4KB

                          • memory/824-83-0x0000000000C50000-0x0000000000C51000-memory.dmp

                            Filesize

                            4KB

                          • memory/948-127-0x0000000000060000-0x000000000006F000-memory.dmp

                            Filesize

                            60KB

                          • memory/948-126-0x0000000000070000-0x0000000000079000-memory.dmp

                            Filesize

                            36KB

                          • memory/952-86-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/952-107-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

                            Filesize

                            4KB

                          • memory/952-90-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1196-114-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1196-113-0x0000000000070000-0x0000000000077000-memory.dmp

                            Filesize

                            28KB

                          • memory/1200-64-0x0000000000220000-0x000000000022C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1256-66-0x0000000002D20000-0x0000000002D37000-memory.dmp

                            Filesize

                            92KB

                          • memory/1256-175-0x0000000002A20000-0x0000000002A37000-memory.dmp

                            Filesize

                            92KB

                          • memory/1292-145-0x0000000000090000-0x0000000000094000-memory.dmp

                            Filesize

                            16KB

                          • memory/1292-146-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1352-60-0x0000000000400000-0x000000000040C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1352-62-0x00000000768B1000-0x00000000768B3000-memory.dmp

                            Filesize

                            8KB

                          • memory/1484-154-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1484-153-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/1548-106-0x0000000072321000-0x0000000072323000-memory.dmp

                            Filesize

                            8KB

                          • memory/1548-112-0x0000000000310000-0x000000000037B000-memory.dmp

                            Filesize

                            428KB

                          • memory/1548-111-0x0000000000460000-0x00000000004D4000-memory.dmp

                            Filesize

                            464KB

                          • memory/1652-136-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1652-139-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1652-144-0x00000000005B0000-0x00000000005B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1660-135-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1660-134-0x0000000000070000-0x0000000000076000-memory.dmp

                            Filesize

                            24KB

                          • memory/1980-122-0x0000000000080000-0x000000000008B000-memory.dmp

                            Filesize

                            44KB

                          • memory/1980-118-0x000000006F7E1000-0x000000006F7E3000-memory.dmp

                            Filesize

                            8KB

                          • memory/1980-121-0x0000000000090000-0x0000000000097000-memory.dmp

                            Filesize

                            28KB

                          • memory/2024-97-0x0000000000950000-0x0000000000951000-memory.dmp

                            Filesize

                            4KB

                          • memory/2024-102-0x00000000020D0000-0x00000000020D1000-memory.dmp

                            Filesize

                            4KB