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Analysis

  • max time kernel
    1801s
  • max time network
    1456s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (22).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

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 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 12 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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 5 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 45 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (22).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (22).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (22).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (22).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:188
  • C:\Users\Admin\AppData\Local\Temp\41DC.exe
    C:\Users\Admin\AppData\Local\Temp\41DC.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1508
  • C:\Users\Admin\AppData\Local\Temp\447D.exe
    C:\Users\Admin\AppData\Local\Temp\447D.exe
    1⤵
    • Executes dropped EXE
    PID:2772
  • C:\Users\Admin\AppData\Local\Temp\4960.exe
    C:\Users\Admin\AppData\Local\Temp\4960.exe
    1⤵
    • Executes dropped EXE
    PID:1332
  • C:\Users\Admin\AppData\Local\Temp\4DF5.exe
    C:\Users\Admin\AppData\Local\Temp\4DF5.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\4DF5.exe
      C:\Users\Admin\AppData\Local\Temp\4DF5.exe
      2⤵
      • Executes dropped EXE
      PID:2500
    • C:\Users\Admin\AppData\Local\Temp\4DF5.exe
      C:\Users\Admin\AppData\Local\Temp\4DF5.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3164
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2196
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2652
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2184
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:200
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:204
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:4052
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3968
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2784
                    • C:\Users\Admin\AppData\Roaming\rcwiwvc
                      C:\Users\Admin\AppData\Roaming\rcwiwvc
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:2308
                      • C:\Users\Admin\AppData\Roaming\rcwiwvc
                        C:\Users\Admin\AppData\Roaming\rcwiwvc
                        2⤵
                        • Executes dropped EXE
                        PID:364
                    • C:\Users\Admin\AppData\Roaming\rcwiwvc
                      C:\Users\Admin\AppData\Roaming\rcwiwvc
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:668
                      • C:\Users\Admin\AppData\Roaming\rcwiwvc
                        C:\Users\Admin\AppData\Roaming\rcwiwvc
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1500
                    • C:\Users\Admin\AppData\Roaming\rcwiwvc
                      C:\Users\Admin\AppData\Roaming\rcwiwvc
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:4032
                      • C:\Users\Admin\AppData\Roaming\rcwiwvc
                        C:\Users\Admin\AppData\Roaming\rcwiwvc
                        2⤵
                        • Executes dropped EXE
                        PID:2624

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/188-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/200-154-0x0000000000490000-0x0000000000499000-memory.dmp

                      Filesize

                      36KB

                    • memory/200-153-0x00000000004A0000-0x00000000004A5000-memory.dmp

                      Filesize

                      20KB

                    • memory/204-159-0x0000000000770000-0x0000000000776000-memory.dmp

                      Filesize

                      24KB

                    • memory/204-160-0x0000000000760000-0x000000000076C000-memory.dmp

                      Filesize

                      48KB

                    • memory/656-117-0x00000000004B0000-0x00000000004BC000-memory.dmp

                      Filesize

                      48KB

                    • memory/1508-150-0x0000000001F70000-0x0000000002001000-memory.dmp

                      Filesize

                      580KB

                    • memory/1508-148-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/2184-149-0x00000000010A0000-0x00000000010AF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2184-147-0x00000000010B0000-0x00000000010B9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2196-141-0x0000000000F30000-0x0000000000F37000-memory.dmp

                      Filesize

                      28KB

                    • memory/2196-142-0x0000000000F20000-0x0000000000F2C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2456-180-0x00000000053E0000-0x00000000053E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-191-0x00000000077B0000-0x00000000077B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-189-0x0000000006D80000-0x0000000006D81000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-171-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2456-190-0x0000000006600000-0x0000000006601000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-188-0x0000000006680000-0x0000000006681000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-177-0x00000000058E0000-0x00000000058E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-178-0x0000000005340000-0x0000000005341000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-179-0x00000000053A0000-0x00000000053A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-184-0x00000000052D0000-0x00000000058D6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2456-181-0x0000000005660000-0x0000000005661000-memory.dmp

                      Filesize

                      4KB

                    • memory/2456-192-0x0000000006B80000-0x0000000006B81000-memory.dmp

                      Filesize

                      4KB

                    • memory/2652-145-0x0000000002F50000-0x0000000002F5B000-memory.dmp

                      Filesize

                      44KB

                    • memory/2652-144-0x0000000002F60000-0x0000000002F67000-memory.dmp

                      Filesize

                      28KB

                    • memory/2784-186-0x00000000004D0000-0x00000000004D5000-memory.dmp

                      Filesize

                      20KB

                    • memory/2784-187-0x00000000004C0000-0x00000000004C9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3020-119-0x00000000008E0000-0x00000000008F7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3020-208-0x0000000000920000-0x0000000000937000-memory.dmp

                      Filesize

                      92KB

                    • memory/3164-136-0x0000000003200000-0x0000000003274000-memory.dmp

                      Filesize

                      464KB

                    • memory/3164-138-0x0000000002F60000-0x0000000002FCB000-memory.dmp

                      Filesize

                      428KB

                    • memory/3724-135-0x00000000052F0000-0x00000000052F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3724-140-0x00000000054D0000-0x00000000054D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3724-139-0x00000000052A0000-0x00000000052A1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3724-133-0x0000000000A70000-0x0000000000A71000-memory.dmp

                      Filesize

                      4KB

                    • memory/3968-183-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3968-182-0x0000000000E00000-0x0000000000E05000-memory.dmp

                      Filesize

                      20KB

                    • memory/4052-168-0x00000000003E0000-0x00000000003E4000-memory.dmp

                      Filesize

                      16KB

                    • memory/4052-169-0x00000000003D0000-0x00000000003D9000-memory.dmp

                      Filesize

                      36KB