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Analysis

  • max time kernel
    1801s
  • max time network
    1443s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (21).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 11 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 41 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1112
  • C:\Users\Admin\AppData\Local\Temp\BA0E.exe
    C:\Users\Admin\AppData\Local\Temp\BA0E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2080
  • C:\Users\Admin\AppData\Local\Temp\BC42.exe
    C:\Users\Admin\AppData\Local\Temp\BC42.exe
    1⤵
    • Executes dropped EXE
    PID:744
  • C:\Users\Admin\AppData\Local\Temp\C02B.exe
    C:\Users\Admin\AppData\Local\Temp\C02B.exe
    1⤵
    • Executes dropped EXE
    PID:1124
  • C:\Users\Admin\AppData\Local\Temp\C404.exe
    C:\Users\Admin\AppData\Local\Temp\C404.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Users\Admin\AppData\Local\Temp\C404.exe
      C:\Users\Admin\AppData\Local\Temp\C404.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3940
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3484
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2380
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2716
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3028
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:4004
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3312
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2316
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2240
                    • C:\Users\Admin\AppData\Roaming\ajuerud
                      C:\Users\Admin\AppData\Roaming\ajuerud
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:2712
                      • C:\Users\Admin\AppData\Roaming\ajuerud
                        C:\Users\Admin\AppData\Roaming\ajuerud
                        2⤵
                        • Executes dropped EXE
                        PID:200
                    • C:\Users\Admin\AppData\Roaming\ajuerud
                      C:\Users\Admin\AppData\Roaming\ajuerud
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1472
                      • C:\Users\Admin\AppData\Roaming\ajuerud
                        C:\Users\Admin\AppData\Roaming\ajuerud
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:2812
                    • C:\Users\Admin\AppData\Roaming\ajuerud
                      C:\Users\Admin\AppData\Roaming\ajuerud
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:196
                      • C:\Users\Admin\AppData\Roaming\ajuerud
                        C:\Users\Admin\AppData\Roaming\ajuerud
                        2⤵
                        • Executes dropped EXE
                        PID:1264

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/1112-117-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1472-208-0x0000000000580000-0x00000000006CA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2080-154-0x00000000020D0000-0x0000000002161000-memory.dmp

                      Filesize

                      580KB

                    • memory/2080-162-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/2240-183-0x0000000002B70000-0x0000000002B79000-memory.dmp

                      Filesize

                      36KB

                    • memory/2240-182-0x0000000002B80000-0x0000000002B85000-memory.dmp

                      Filesize

                      20KB

                    • memory/2288-184-0x00000000069C0000-0x00000000069C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-163-0x00000000056C0000-0x00000000056C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-161-0x0000000005C40000-0x0000000005C41000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-150-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2288-164-0x0000000005720000-0x0000000005721000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-165-0x0000000005760000-0x0000000005761000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-167-0x00000000059D0000-0x00000000059D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-170-0x0000000005630000-0x0000000005C36000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2288-185-0x00000000070C0000-0x00000000070C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-120-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2288-186-0x0000000006B90000-0x0000000006B91000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-187-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-188-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2316-179-0x0000000000BE0000-0x0000000000BE5000-memory.dmp

                      Filesize

                      20KB

                    • memory/2316-180-0x0000000000BD0000-0x0000000000BD9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2380-148-0x0000000002DC0000-0x0000000002DCB000-memory.dmp

                      Filesize

                      44KB

                    • memory/2380-147-0x0000000002DD0000-0x0000000002DD7000-memory.dmp

                      Filesize

                      28KB

                    • memory/2712-201-0x00000000001D0000-0x00000000001DC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2716-157-0x00000000001F0000-0x00000000001FF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2716-151-0x0000000000480000-0x0000000000489000-memory.dmp

                      Filesize

                      36KB

                    • memory/3028-160-0x0000000000290000-0x0000000000299000-memory.dmp

                      Filesize

                      36KB

                    • memory/3028-159-0x00000000002A0000-0x00000000002A5000-memory.dmp

                      Filesize

                      20KB

                    • memory/3060-122-0x0000000000460000-0x0000000000477000-memory.dmp

                      Filesize

                      92KB

                    • memory/3060-210-0x00000000004A0000-0x00000000004B7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3312-176-0x0000000002FB0000-0x0000000002FB4000-memory.dmp

                      Filesize

                      16KB

                    • memory/3312-177-0x0000000002FA0000-0x0000000002FA9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3484-145-0x0000000000EA0000-0x0000000000EAC000-memory.dmp

                      Filesize

                      48KB

                    • memory/3484-144-0x0000000000EB0000-0x0000000000EB7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3892-138-0x00000000052E0000-0x00000000052E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3892-143-0x0000000005520000-0x0000000005521000-memory.dmp

                      Filesize

                      4KB

                    • memory/3892-141-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3892-136-0x0000000000A00000-0x0000000000A01000-memory.dmp

                      Filesize

                      4KB

                    • memory/3940-139-0x0000000002A80000-0x0000000002AF4000-memory.dmp

                      Filesize

                      464KB

                    • memory/3940-140-0x0000000002A10000-0x0000000002A7B000-memory.dmp

                      Filesize

                      428KB

                    • memory/4004-171-0x0000000000590000-0x0000000000596000-memory.dmp

                      Filesize

                      24KB

                    • memory/4004-172-0x0000000000580000-0x000000000058C000-memory.dmp

                      Filesize

                      48KB