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Analysis

  • max time kernel
    1801s
  • max time network
    1738s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (17).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 4 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 (17).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (17).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2796
  • C:\Users\Admin\AppData\Local\Temp\D065.exe
    C:\Users\Admin\AppData\Local\Temp\D065.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2168
  • C:\Users\Admin\AppData\Local\Temp\D1BE.exe
    C:\Users\Admin\AppData\Local\Temp\D1BE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1996
  • C:\Users\Admin\AppData\Local\Temp\285B.exe
    C:\Users\Admin\AppData\Local\Temp\285B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\285B.exe
      C:\Users\Admin\AppData\Local\Temp\285B.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2100
  • C:\Users\Admin\AppData\Local\Temp\2D3E.exe
    C:\Users\Admin\AppData\Local\Temp\2D3E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3728
  • C:\Users\Admin\AppData\Local\Temp\2FCF.exe
    C:\Users\Admin\AppData\Local\Temp\2FCF.exe
    1⤵
    • Executes dropped EXE
    PID:2544
  • C:\Users\Admin\AppData\Local\Temp\34A2.exe
    C:\Users\Admin\AppData\Local\Temp\34A2.exe
    1⤵
    • Executes dropped EXE
    PID:3844
  • C:\Users\Admin\AppData\Local\Temp\39B4.exe
    C:\Users\Admin\AppData\Local\Temp\39B4.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\39B4.exe
      C:\Users\Admin\AppData\Local\Temp\39B4.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2844
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3276
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3952
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2220
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2924
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:3000
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:4052
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:668
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1212
                    • C:\Users\Admin\AppData\Roaming\iefairr
                      C:\Users\Admin\AppData\Roaming\iefairr
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:412
                      • C:\Users\Admin\AppData\Roaming\iefairr
                        C:\Users\Admin\AppData\Roaming\iefairr
                        2⤵
                        • Executes dropped EXE
                        PID:348
                    • C:\Users\Admin\AppData\Roaming\iefairr
                      C:\Users\Admin\AppData\Roaming\iefairr
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2032
                      • C:\Users\Admin\AppData\Roaming\iefairr
                        C:\Users\Admin\AppData\Roaming\iefairr
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1052
                    • C:\Users\Admin\AppData\Roaming\iefairr
                      C:\Users\Admin\AppData\Roaming\iefairr
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2928
                      • C:\Users\Admin\AppData\Roaming\iefairr
                        C:\Users\Admin\AppData\Roaming\iefairr
                        2⤵
                        • Executes dropped EXE
                        PID:1376

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/412-233-0x0000000000580000-0x00000000006CA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/668-215-0x0000000000FE0000-0x0000000000FE9000-memory.dmp

                      Filesize

                      36KB

                    • memory/668-214-0x0000000000FF0000-0x0000000000FF5000-memory.dmp

                      Filesize

                      20KB

                    • memory/1212-217-0x00000000005C0000-0x00000000005C5000-memory.dmp

                      Filesize

                      20KB

                    • memory/1212-218-0x00000000005B0000-0x00000000005B9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2032-240-0x0000000000460000-0x00000000005AA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2056-137-0x0000000004D30000-0x0000000004D31000-memory.dmp

                      Filesize

                      4KB

                    • memory/2056-136-0x0000000000D10000-0x0000000000D11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2056-133-0x0000000000240000-0x0000000000241000-memory.dmp

                      Filesize

                      4KB

                    • memory/2056-135-0x0000000002640000-0x0000000002641000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-163-0x00000000057F0000-0x00000000057F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-219-0x0000000006F60000-0x0000000006F61000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-207-0x0000000007180000-0x0000000007181000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-205-0x0000000006A80000-0x0000000006A81000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-154-0x0000000005550000-0x0000000005551000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-208-0x0000000006C50000-0x0000000006C51000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-220-0x0000000007BB0000-0x0000000007BB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-153-0x00000000054F0000-0x00000000054F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-147-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2100-152-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-157-0x0000000005590000-0x0000000005591000-memory.dmp

                      Filesize

                      4KB

                    • memory/2100-158-0x00000000054D0000-0x0000000005AD6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2220-176-0x0000000000FF0000-0x0000000000FF9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2220-178-0x0000000000FE0000-0x0000000000FEF000-memory.dmp

                      Filesize

                      60KB

                    • memory/2344-161-0x00000000004B0000-0x00000000004B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2344-169-0x0000000004F70000-0x0000000004F71000-memory.dmp

                      Filesize

                      4KB

                    • memory/2796-196-0x0000000004CB0000-0x00000000052B6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2796-181-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/2796-115-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2844-168-0x0000000002F70000-0x0000000002FDB000-memory.dmp

                      Filesize

                      428KB

                    • memory/2844-166-0x0000000003200000-0x0000000003274000-memory.dmp

                      Filesize

                      464KB

                    • memory/2924-192-0x0000000002F70000-0x0000000002F79000-memory.dmp

                      Filesize

                      36KB

                    • memory/2924-191-0x0000000002F80000-0x0000000002F85000-memory.dmp

                      Filesize

                      20KB

                    • memory/2928-248-0x00000000004C0000-0x00000000004CC000-memory.dmp

                      Filesize

                      48KB

                    • memory/3000-199-0x0000000000350000-0x000000000035C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3000-198-0x0000000000360000-0x0000000000366000-memory.dmp

                      Filesize

                      24KB

                    • memory/3016-242-0x0000000001310000-0x0000000001327000-memory.dmp

                      Filesize

                      92KB

                    • memory/3016-119-0x0000000000FE0000-0x0000000000FF7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3128-114-0x00000000004C0000-0x000000000056E000-memory.dmp

                      Filesize

                      696KB

                    • memory/3276-170-0x00000000004C0000-0x00000000004C7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3276-171-0x00000000004B0000-0x00000000004BC000-memory.dmp

                      Filesize

                      48KB

                    • memory/3728-179-0x0000000002110000-0x00000000021A1000-memory.dmp

                      Filesize

                      580KB

                    • memory/3728-177-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/3952-173-0x0000000002EC0000-0x0000000002EC7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3952-174-0x0000000002EB0000-0x0000000002EBB000-memory.dmp

                      Filesize

                      44KB

                    • memory/4052-202-0x0000000002F80000-0x0000000002F84000-memory.dmp

                      Filesize

                      16KB

                    • memory/4052-203-0x0000000002F70000-0x0000000002F79000-memory.dmp

                      Filesize

                      36KB