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Analysis

  • max time kernel
    1801s
  • max time network
    1724s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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 5 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 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 62 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 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:1496
    • 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:920
  • C:\Users\Admin\AppData\Local\Temp\92EA.exe
    C:\Users\Admin\AppData\Local\Temp\92EA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2892
  • C:\Users\Admin\AppData\Local\Temp\E90A.exe
    C:\Users\Admin\AppData\Local\Temp\E90A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\E90A.exe
      C:\Users\Admin\AppData\Local\Temp\E90A.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
  • C:\Users\Admin\AppData\Local\Temp\EDED.exe
    C:\Users\Admin\AppData\Local\Temp\EDED.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1444
  • C:\Users\Admin\AppData\Local\Temp\F06F.exe
    C:\Users\Admin\AppData\Local\Temp\F06F.exe
    1⤵
    • Executes dropped EXE
    PID:1792
  • C:\Users\Admin\AppData\Local\Temp\F552.exe
    C:\Users\Admin\AppData\Local\Temp\F552.exe
    1⤵
    • Executes dropped EXE
    PID:3168
  • C:\Users\Admin\AppData\Local\Temp\FA44.exe
    C:\Users\Admin\AppData\Local\Temp\FA44.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\FA44.exe
      C:\Users\Admin\AppData\Local\Temp\FA44.exe
      2⤵
      • Executes dropped EXE
      PID:2292
    • C:\Users\Admin\AppData\Local\Temp\FA44.exe
      C:\Users\Admin\AppData\Local\Temp\FA44.exe
      2⤵
      • Executes dropped EXE
      PID:1828
    • C:\Users\Admin\AppData\Local\Temp\FA44.exe
      C:\Users\Admin\AppData\Local\Temp\FA44.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3496
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2356
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3296
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3220
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2064
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2428
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2264
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2332
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2192
                    • C:\Users\Admin\AppData\Roaming\acuwjjj
                      C:\Users\Admin\AppData\Roaming\acuwjjj
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1168
                      • C:\Users\Admin\AppData\Roaming\acuwjjj
                        C:\Users\Admin\AppData\Roaming\acuwjjj
                        2⤵
                        • Executes dropped EXE
                        PID:3092
                    • C:\Users\Admin\AppData\Roaming\acuwjjj
                      C:\Users\Admin\AppData\Roaming\acuwjjj
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3884
                      • C:\Users\Admin\AppData\Roaming\acuwjjj
                        C:\Users\Admin\AppData\Roaming\acuwjjj
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:3020
                    • C:\Users\Admin\AppData\Roaming\acuwjjj
                      C:\Users\Admin\AppData\Roaming\acuwjjj
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2292
                      • C:\Users\Admin\AppData\Roaming\acuwjjj
                        C:\Users\Admin\AppData\Roaming\acuwjjj
                        2⤵
                        • Executes dropped EXE
                        PID:1840

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/920-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1168-230-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/1444-178-0x00000000020C0000-0x0000000002151000-memory.dmp

                      Filesize

                      580KB

                    • memory/1444-179-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/1496-117-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/1844-188-0x00000000070E0000-0x00000000070E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-148-0x00000000059F0000-0x00000000059F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-164-0x0000000005770000-0x0000000005771000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-154-0x0000000005500000-0x0000000005501000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-149-0x0000000005460000-0x0000000005461000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-151-0x00000000054C0000-0x00000000054C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-189-0x0000000006BB0000-0x0000000006BB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-159-0x00000000053E0000-0x00000000059E6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1844-196-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-187-0x00000000069E0000-0x00000000069E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-197-0x0000000007B10000-0x0000000007B11000-memory.dmp

                      Filesize

                      4KB

                    • memory/1844-142-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2064-177-0x0000000000590000-0x0000000000599000-memory.dmp

                      Filesize

                      36KB

                    • memory/2064-176-0x00000000005A0000-0x00000000005A5000-memory.dmp

                      Filesize

                      20KB

                    • memory/2192-206-0x0000000000B60000-0x0000000000B69000-memory.dmp

                      Filesize

                      36KB

                    • memory/2192-205-0x0000000000B70000-0x0000000000B75000-memory.dmp

                      Filesize

                      20KB

                    • memory/2264-190-0x0000000000BD0000-0x0000000000BD4000-memory.dmp

                      Filesize

                      16KB

                    • memory/2264-191-0x0000000000BC0000-0x0000000000BC9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2284-135-0x0000000004C30000-0x0000000004C31000-memory.dmp

                      Filesize

                      4KB

                    • memory/2284-131-0x0000000004960000-0x0000000004961000-memory.dmp

                      Filesize

                      4KB

                    • memory/2284-130-0x00000000049C0000-0x00000000049C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2284-128-0x0000000000180000-0x0000000000181000-memory.dmp

                      Filesize

                      4KB

                    • memory/2312-162-0x0000000005780000-0x0000000005781000-memory.dmp

                      Filesize

                      4KB

                    • memory/2312-156-0x0000000000D90000-0x0000000000D91000-memory.dmp

                      Filesize

                      4KB

                    • memory/2332-203-0x00000000004B0000-0x00000000004B9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2332-202-0x00000000004C0000-0x00000000004C5000-memory.dmp

                      Filesize

                      20KB

                    • memory/2356-167-0x0000000000790000-0x000000000079C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2356-166-0x00000000007A0000-0x00000000007A7000-memory.dmp

                      Filesize

                      28KB

                    • memory/2428-184-0x00000000001D0000-0x00000000001DC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2428-183-0x00000000001E0000-0x00000000001E6000-memory.dmp

                      Filesize

                      24KB

                    • memory/2776-207-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2776-218-0x0000000005780000-0x0000000005D86000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/3008-239-0x0000000000CD0000-0x0000000000CE7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3008-119-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3220-172-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3220-173-0x0000000000BD0000-0x0000000000BDF000-memory.dmp

                      Filesize

                      60KB

                    • memory/3296-169-0x0000000000F80000-0x0000000000F87000-memory.dmp

                      Filesize

                      28KB

                    • memory/3296-170-0x0000000000F70000-0x0000000000F7B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3496-165-0x0000000000C00000-0x0000000000C6B000-memory.dmp

                      Filesize

                      428KB

                    • memory/3496-160-0x0000000000C70000-0x0000000000CE4000-memory.dmp

                      Filesize

                      464KB

                    • memory/3884-237-0x0000000000640000-0x000000000064C000-memory.dmp

                      Filesize

                      48KB