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Analysis

  • max time kernel
    1801s
  • max time network
    1441s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (16).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

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 (16).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (16).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (16).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (16).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3820
  • C:\Users\Admin\AppData\Local\Temp\E18C.exe
    C:\Users\Admin\AppData\Local\Temp\E18C.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2820
  • C:\Users\Admin\AppData\Local\Temp\E2E5.exe
    C:\Users\Admin\AppData\Local\Temp\E2E5.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:3380
  • C:\Users\Admin\AppData\Local\Temp\3953.exe
    C:\Users\Admin\AppData\Local\Temp\3953.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\3953.exe
      C:\Users\Admin\AppData\Local\Temp\3953.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1004
  • C:\Users\Admin\AppData\Local\Temp\3E45.exe
    C:\Users\Admin\AppData\Local\Temp\3E45.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3868
  • C:\Users\Admin\AppData\Local\Temp\4115.exe
    C:\Users\Admin\AppData\Local\Temp\4115.exe
    1⤵
    • Executes dropped EXE
    PID:3976
  • C:\Users\Admin\AppData\Local\Temp\4888.exe
    C:\Users\Admin\AppData\Local\Temp\4888.exe
    1⤵
    • Executes dropped EXE
    PID:2212
  • C:\Users\Admin\AppData\Local\Temp\4E17.exe
    C:\Users\Admin\AppData\Local\Temp\4E17.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\4E17.exe
      C:\Users\Admin\AppData\Local\Temp\4E17.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:416
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2824
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2576
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:640
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2360
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1612
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1548
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1312
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3816
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3992
                    • C:\Users\Admin\AppData\Roaming\rwtdiub
                      C:\Users\Admin\AppData\Roaming\rwtdiub
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1924
                      • C:\Users\Admin\AppData\Roaming\rwtdiub
                        C:\Users\Admin\AppData\Roaming\rwtdiub
                        2⤵
                        • Executes dropped EXE
                        PID:1216
                    • C:\Users\Admin\AppData\Roaming\rwtdiub
                      C:\Users\Admin\AppData\Roaming\rwtdiub
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:4032
                      • C:\Users\Admin\AppData\Roaming\rwtdiub
                        C:\Users\Admin\AppData\Roaming\rwtdiub
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:3428
                    • C:\Users\Admin\AppData\Roaming\rwtdiub
                      C:\Users\Admin\AppData\Roaming\rwtdiub
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:3540
                      • C:\Users\Admin\AppData\Roaming\rwtdiub
                        C:\Users\Admin\AppData\Roaming\rwtdiub
                        2⤵
                        • Executes dropped EXE
                        PID:3412

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/416-198-0x0000000004F60000-0x0000000005566000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/416-184-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/640-175-0x0000000002EE0000-0x0000000002EEB000-memory.dmp

                      Filesize

                      44KB

                    • memory/640-174-0x0000000002EF0000-0x0000000002EF7000-memory.dmp

                      Filesize

                      28KB

                    • memory/740-116-0x0000000000540000-0x000000000054C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1004-203-0x0000000007880000-0x0000000007881000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-154-0x00000000051D0000-0x00000000051D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-155-0x0000000005230000-0x0000000005231000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-153-0x0000000005750000-0x0000000005751000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-156-0x0000000005270000-0x0000000005271000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-160-0x00000000054E0000-0x00000000054E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-157-0x0000000005140000-0x0000000005746000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1004-144-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/1004-208-0x0000000006D10000-0x0000000006D11000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-200-0x0000000006750000-0x0000000006751000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-202-0x0000000006920000-0x0000000006921000-memory.dmp

                      Filesize

                      4KB

                    • memory/1004-201-0x0000000006E50000-0x0000000006E51000-memory.dmp

                      Filesize

                      4KB

                    • memory/1144-135-0x0000000004F10000-0x0000000004F11000-memory.dmp

                      Filesize

                      4KB

                    • memory/1144-137-0x0000000005010000-0x0000000005011000-memory.dmp

                      Filesize

                      4KB

                    • memory/1144-136-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1144-133-0x0000000000710000-0x0000000000711000-memory.dmp

                      Filesize

                      4KB

                    • memory/1312-211-0x0000000002FC0000-0x0000000002FC9000-memory.dmp

                      Filesize

                      36KB

                    • memory/1312-206-0x0000000002FD0000-0x0000000002FD4000-memory.dmp

                      Filesize

                      16KB

                    • memory/1548-207-0x00000000008E0000-0x00000000008EC000-memory.dmp

                      Filesize

                      48KB

                    • memory/1548-205-0x00000000008F0000-0x00000000008F6000-memory.dmp

                      Filesize

                      24KB

                    • memory/1612-196-0x0000000002FC0000-0x0000000002FC9000-memory.dmp

                      Filesize

                      36KB

                    • memory/1612-195-0x0000000002FD0000-0x0000000002FD5000-memory.dmp

                      Filesize

                      20KB

                    • memory/1832-171-0x00000000058B0000-0x00000000058B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1832-163-0x0000000000E70000-0x0000000000E71000-memory.dmp

                      Filesize

                      4KB

                    • memory/2360-179-0x0000000000BB0000-0x0000000000BB9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2360-180-0x0000000000BA0000-0x0000000000BAF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2536-119-0x0000000000710000-0x0000000000727000-memory.dmp

                      Filesize

                      92KB

                    • memory/2536-242-0x00000000008A0000-0x00000000008B7000-memory.dmp

                      Filesize

                      92KB

                    • memory/2576-172-0x00000000003E0000-0x00000000003EC000-memory.dmp

                      Filesize

                      48KB

                    • memory/2576-169-0x00000000003F0000-0x00000000003F7000-memory.dmp

                      Filesize

                      28KB

                    • memory/2824-168-0x0000000003270000-0x00000000032E4000-memory.dmp

                      Filesize

                      464KB

                    • memory/2824-170-0x0000000003200000-0x000000000326B000-memory.dmp

                      Filesize

                      428KB

                    • memory/3540-248-0x00000000004B0000-0x000000000055E000-memory.dmp

                      Filesize

                      696KB

                    • memory/3816-218-0x0000000000560000-0x0000000000569000-memory.dmp

                      Filesize

                      36KB

                    • memory/3816-217-0x0000000000570000-0x0000000000575000-memory.dmp

                      Filesize

                      20KB

                    • memory/3820-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3868-176-0x0000000002170000-0x0000000002201000-memory.dmp

                      Filesize

                      580KB

                    • memory/3868-177-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/3992-221-0x0000000000810000-0x0000000000819000-memory.dmp

                      Filesize

                      36KB

                    • memory/3992-220-0x0000000000820000-0x0000000000825000-memory.dmp

                      Filesize

                      20KB