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Analysis

  • max time kernel
    1801s
  • max time network
    1325s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (23).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 5 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 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 6 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (23).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (23).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (23).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (23).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3560
  • C:\Users\Admin\AppData\Local\Temp\FBAB.exe
    C:\Users\Admin\AppData\Local\Temp\FBAB.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:3384
  • C:\Users\Admin\AppData\Local\Temp\FD62.exe
    C:\Users\Admin\AppData\Local\Temp\FD62.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1868
  • C:\Users\Admin\AppData\Local\Temp\52F5.exe
    C:\Users\Admin\AppData\Local\Temp\52F5.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\52F5.exe
      C:\Users\Admin\AppData\Local\Temp\52F5.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1196
  • C:\Users\Admin\AppData\Local\Temp\576B.exe
    C:\Users\Admin\AppData\Local\Temp\576B.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2308
  • C:\Users\Admin\AppData\Local\Temp\59BD.exe
    C:\Users\Admin\AppData\Local\Temp\59BD.exe
    1⤵
    • Executes dropped EXE
    PID:1788
  • C:\Users\Admin\AppData\Local\Temp\619E.exe
    C:\Users\Admin\AppData\Local\Temp\619E.exe
    1⤵
    • Executes dropped EXE
    PID:2440
  • C:\Users\Admin\AppData\Local\Temp\6568.exe
    C:\Users\Admin\AppData\Local\Temp\6568.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3308
    • C:\Users\Admin\AppData\Local\Temp\6568.exe
      C:\Users\Admin\AppData\Local\Temp\6568.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3980
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:744
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2352
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2152
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2652
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2564
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1868
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3140
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1568
                    • C:\Users\Admin\AppData\Roaming\eshdsse
                      C:\Users\Admin\AppData\Roaming\eshdsse
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2256
                      • C:\Users\Admin\AppData\Roaming\eshdsse
                        C:\Users\Admin\AppData\Roaming\eshdsse
                        2⤵
                        • Executes dropped EXE
                        PID:2460
                    • C:\Users\Admin\AppData\Roaming\eshdsse
                      C:\Users\Admin\AppData\Roaming\eshdsse
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1536
                      • C:\Users\Admin\AppData\Roaming\eshdsse
                        C:\Users\Admin\AppData\Roaming\eshdsse
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1308
                    • C:\Users\Admin\AppData\Roaming\eshdsse
                      C:\Users\Admin\AppData\Roaming\eshdsse
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3740
                      • C:\Users\Admin\AppData\Roaming\eshdsse
                        C:\Users\Admin\AppData\Roaming\eshdsse
                        2⤵
                        • Executes dropped EXE
                        PID:3600

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/744-171-0x0000000000CC0000-0x0000000000CCC000-memory.dmp

                      Filesize

                      48KB

                    • memory/744-170-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

                      Filesize

                      28KB

                    • memory/1196-153-0x0000000005320000-0x0000000005321000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-206-0x0000000006860000-0x0000000006861000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-156-0x00000000053C0000-0x00000000053C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-159-0x00000000052C0000-0x00000000058C6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1196-154-0x0000000005380000-0x0000000005381000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-200-0x00000000068E0000-0x00000000068E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-152-0x00000000058D0000-0x00000000058D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-144-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/1196-201-0x0000000006FE0000-0x0000000006FE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-160-0x0000000005630000-0x0000000005631000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-207-0x0000000007A10000-0x0000000007A11000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-208-0x0000000006DC0000-0x0000000006DC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1568-214-0x0000000002F70000-0x0000000002F79000-memory.dmp

                      Filesize

                      36KB

                    • memory/1568-213-0x0000000002F80000-0x0000000002F85000-memory.dmp

                      Filesize

                      20KB

                    • memory/1868-205-0x0000000003260000-0x0000000003269000-memory.dmp

                      Filesize

                      36KB

                    • memory/1868-204-0x0000000003270000-0x0000000003274000-memory.dmp

                      Filesize

                      16KB

                    • memory/2152-179-0x0000000000BE0000-0x0000000000BEF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2152-178-0x0000000000BF0000-0x0000000000BF9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2288-185-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2288-195-0x0000000004CD0000-0x00000000052D6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2308-176-0x00000000020F0000-0x0000000002181000-memory.dmp

                      Filesize

                      580KB

                    • memory/2308-177-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/2352-173-0x0000000002FF0000-0x0000000002FF7000-memory.dmp

                      Filesize

                      28KB

                    • memory/2352-174-0x0000000002FE0000-0x0000000002FEB000-memory.dmp

                      Filesize

                      44KB

                    • memory/2564-197-0x0000000000EA0000-0x0000000000EAC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2564-196-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

                      Filesize

                      24KB

                    • memory/2652-183-0x0000000002F80000-0x0000000002F85000-memory.dmp

                      Filesize

                      20KB

                    • memory/2652-184-0x0000000002F70000-0x0000000002F79000-memory.dmp

                      Filesize

                      36KB

                    • memory/3000-242-0x0000000000F00000-0x0000000000F17000-memory.dmp

                      Filesize

                      92KB

                    • memory/3000-119-0x0000000000D50000-0x0000000000D67000-memory.dmp

                      Filesize

                      92KB

                    • memory/3140-211-0x00000000003F0000-0x00000000003F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3140-210-0x0000000000600000-0x0000000000605000-memory.dmp

                      Filesize

                      20KB

                    • memory/3308-168-0x0000000004E60000-0x0000000004E61000-memory.dmp

                      Filesize

                      4KB

                    • memory/3308-163-0x00000000004F0000-0x00000000004F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3492-116-0x0000000002170000-0x000000000217C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3560-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3716-136-0x0000000000F20000-0x0000000000F21000-memory.dmp

                      Filesize

                      4KB

                    • memory/3716-133-0x0000000000600000-0x0000000000601000-memory.dmp

                      Filesize

                      4KB

                    • memory/3716-135-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3716-137-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3980-166-0x0000000002F70000-0x0000000002FE4000-memory.dmp

                      Filesize

                      464KB

                    • memory/3980-167-0x0000000002F00000-0x0000000002F6B000-memory.dmp

                      Filesize

                      428KB