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Analysis

  • max time kernel
    1799s
  • max time network
    1622s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (15).exe

  • Size

    315KB

  • MD5

    1d20e1f65938e837ef1b88f10f1bd6c3

  • SHA1

    703d7098dbfc476d2181b7fc041cc23e49c368f1

  • SHA256

    05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d

  • SHA512

    f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

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

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 3 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 9 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 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 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 (15).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (15).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:568
  • C:\Users\Admin\AppData\Local\Temp\FC59.exe
    C:\Users\Admin\AppData\Local\Temp\FC59.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1668
  • C:\Users\Admin\AppData\Local\Temp\FDC1.exe
    C:\Users\Admin\AppData\Local\Temp\FDC1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1016
  • C:\Users\Admin\AppData\Local\Temp\54A7.exe
    C:\Users\Admin\AppData\Local\Temp\54A7.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Users\Admin\AppData\Local\Temp\54A7.exe
      C:\Users\Admin\AppData\Local\Temp\54A7.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
  • C:\Users\Admin\AppData\Local\Temp\58FC.exe
    C:\Users\Admin\AppData\Local\Temp\58FC.exe
    1⤵
    • Executes dropped EXE
    PID:1960
  • C:\Users\Admin\AppData\Local\Temp\5D32.exe
    C:\Users\Admin\AppData\Local\Temp\5D32.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:660
  • C:\Users\Admin\AppData\Local\Temp\63C8.exe
    C:\Users\Admin\AppData\Local\Temp\63C8.exe
    1⤵
    • Executes dropped EXE
    PID:920
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:436
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1328
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1464
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:948
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1304
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1532
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1544
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1616
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:748
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {87B78DA7-B2D6-4C9C-9732-9E432CBF6EB9} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
                      1⤵
                        PID:1528
                        • C:\Users\Admin\AppData\Roaming\dhibgdt
                          C:\Users\Admin\AppData\Roaming\dhibgdt
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:1472
                          • C:\Users\Admin\AppData\Roaming\dhibgdt
                            C:\Users\Admin\AppData\Roaming\dhibgdt
                            3⤵
                            • Executes dropped EXE
                            PID:568
                        • C:\Users\Admin\AppData\Roaming\dhibgdt
                          C:\Users\Admin\AppData\Roaming\dhibgdt
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:2028
                          • C:\Users\Admin\AppData\Roaming\dhibgdt
                            C:\Users\Admin\AppData\Roaming\dhibgdt
                            3⤵
                            • Executes dropped EXE
                            PID:1744
                        • C:\Users\Admin\AppData\Roaming\dhibgdt
                          C:\Users\Admin\AppData\Roaming\dhibgdt
                          2⤵
                          • Executes dropped EXE
                          PID:1436

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/436-102-0x0000000073A11000-0x0000000073A13000-memory.dmp

                        Filesize

                        8KB

                      • memory/568-61-0x0000000000400000-0x000000000040C000-memory.dmp

                        Filesize

                        48KB

                      • memory/568-63-0x0000000074D91000-0x0000000074D93000-memory.dmp

                        Filesize

                        8KB

                      • memory/920-94-0x0000000000D60000-0x0000000000D61000-memory.dmp

                        Filesize

                        4KB

                      • memory/1120-60-0x0000000000220000-0x000000000022C000-memory.dmp

                        Filesize

                        48KB

                      • memory/1212-66-0x0000000003840000-0x0000000003857000-memory.dmp

                        Filesize

                        92KB

                      • memory/1328-99-0x0000000000070000-0x0000000000077000-memory.dmp

                        Filesize

                        28KB

                      • memory/1864-78-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

                        Filesize

                        4KB

                      • memory/1864-83-0x0000000004B90000-0x0000000004B91000-memory.dmp

                        Filesize

                        4KB

                      • memory/1904-89-0x0000000000400000-0x000000000041E000-memory.dmp

                        Filesize

                        120KB

                      • memory/1904-86-0x0000000000400000-0x000000000041E000-memory.dmp

                        Filesize

                        120KB