Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2022, 09:56

General

  • Target
    de6bcee178a8068595f313953944421b.exe
  • Size 272KB
  • Sample221005-lycabsdhg4
  • SHA256 ec95bea63c3311e4b83f37fe2d189c6e06cd258c247faf00f3937c6283607afa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • 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 SCSI registry key(s) 3 TTPs 3 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de6bcee178a8068595f313953944421b.exe
    "C:\Users\Admin\AppData\Local\Temp\de6bcee178a8068595f313953944421b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1516
  • C:\Users\Admin\AppData\Local\Temp\59D8.exe
    C:\Users\Admin\AppData\Local\Temp\59D8.exe
    1⤵
    • Executes dropped EXE
    PID:4808
  • C:\Users\Admin\AppData\Local\Temp\5E8C.exe
    C:\Users\Admin\AppData\Local\Temp\5E8C.exe
    1⤵
    • Executes dropped EXE
    PID:2532
  • C:\Users\Admin\AppData\Local\Temp\66BB.exe
    C:\Users\Admin\AppData\Local\Temp\66BB.exe
    1⤵
    • Executes dropped EXE
    PID:2724
  • C:\Users\Admin\AppData\Local\Temp\69E8.exe
    C:\Users\Admin\AppData\Local\Temp\69E8.exe
    1⤵
    • Executes dropped EXE
    PID:4076
  • C:\Users\Admin\AppData\Local\Temp\76BA.exe
    C:\Users\Admin\AppData\Local\Temp\76BA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C "wmic path win32_VideoController get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5012
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic path win32_VideoController get name
        3⤵
          PID:3760
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C "wmic cpu get name"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:624
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic cpu get name
          3⤵
            PID:3800
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2164
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3304
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3564
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:4476
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1244
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:3656
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3736
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:3208
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:3596

                        Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              59D8.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\59D8.exe
                              • Size 315KB
                              • SHA256 61376b5aed123df8c42aa51521066bf009e8cbe95c7c5022a08625a6d27e9cab
                              • MD5 SHA1 SHA512 SSDEEP

                              59D8.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\59D8.exe
                              • Size 315KB
                              • SHA256 61376b5aed123df8c42aa51521066bf009e8cbe95c7c5022a08625a6d27e9cab
                              • MD5 SHA1 SHA512 SSDEEP

                              5E8C.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\5E8C.exe
                              • Size 363KB
                              • SHA256 03f134c8db4b04b4232d737cf058ec5735dd0b94d706ae1dde2c328bbb6a8b20
                              • MD5 SHA1 SHA512 SSDEEP

                              5E8C.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\5E8C.exe
                              • Size 363KB
                              • SHA256 03f134c8db4b04b4232d737cf058ec5735dd0b94d706ae1dde2c328bbb6a8b20
                              • MD5 SHA1 SHA512 SSDEEP

                              66BB.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\66BB.exe
                              • Size 363KB
                              • SHA256 aa6fcab46d8adbb3ed1fb2bba7e3dc8f57a21f39626a8d7cf369cb11823df29c
                              • MD5 SHA1 SHA512 SSDEEP

                              66BB.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\66BB.exe
                              • Size 363KB
                              • SHA256 aa6fcab46d8adbb3ed1fb2bba7e3dc8f57a21f39626a8d7cf369cb11823df29c
                              • MD5 SHA1 SHA512 SSDEEP

                              69E8.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\69E8.exe
                              • Size 363KB
                              • SHA256 480837a55c703dd1ea3bd28c0bc25a69125e180c49580f519378ec33a041f25a
                              • MD5 SHA1 SHA512 SSDEEP

                              69E8.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\69E8.exe
                              • Size 363KB
                              • SHA256 480837a55c703dd1ea3bd28c0bc25a69125e180c49580f519378ec33a041f25a
                              • MD5 SHA1 SHA512 SSDEEP

                              76BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\76BA.exe
                              • Size 4.3MB
                              • SHA256 e5302fda9a13df32c0e7afb3f2d12d1dabf7c4c57a6bbb4d1213ab6b6cfc51a5
                              • MD5 SHA1 SHA512 SSDEEP

                              76BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\76BA.exe
                              • Size 4.3MB
                              • SHA256 e5302fda9a13df32c0e7afb3f2d12d1dabf7c4c57a6bbb4d1213ab6b6cfc51a5
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/1244-169-0x0000000000190000-0x00000000001B2000-memory.dmp

                              memory/1244-170-0x0000000000160000-0x0000000000187000-memory.dmp

                              memory/1244-187-0x0000000000190000-0x00000000001B2000-memory.dmp

                              memory/1516-133-0x00000000005A0000-0x00000000005A9000-memory.dmp

                              memory/1516-132-0x00000000005FC000-0x000000000060D000-memory.dmp

                              memory/1516-134-0x0000000000400000-0x0000000000449000-memory.dmp

                              memory/1516-135-0x0000000000400000-0x0000000000449000-memory.dmp

                              memory/2164-183-0x00000000009A0000-0x00000000009A7000-memory.dmp

                              memory/2164-152-0x00000000009A0000-0x00000000009A7000-memory.dmp

                              memory/2164-153-0x0000000000990000-0x000000000099B000-memory.dmp

                              memory/3208-178-0x0000000000B50000-0x0000000000B57000-memory.dmp

                              memory/3208-190-0x0000000000B50000-0x0000000000B57000-memory.dmp

                              memory/3208-179-0x0000000000B40000-0x0000000000B4D000-memory.dmp

                              memory/3304-157-0x0000000000DC0000-0x0000000000DCF000-memory.dmp

                              memory/3304-156-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                              memory/3304-184-0x0000000000DD0000-0x0000000000DD9000-memory.dmp

                              memory/3564-163-0x0000000001170000-0x0000000001179000-memory.dmp

                              memory/3564-185-0x0000000001180000-0x0000000001185000-memory.dmp

                              memory/3564-162-0x0000000001180000-0x0000000001185000-memory.dmp

                              memory/3596-182-0x0000000001170000-0x000000000117B000-memory.dmp

                              memory/3596-181-0x0000000001180000-0x0000000001188000-memory.dmp

                              memory/3596-191-0x0000000001180000-0x0000000001188000-memory.dmp

                              memory/3656-188-0x00000000007D0000-0x00000000007D5000-memory.dmp

                              memory/3656-172-0x00000000007D0000-0x00000000007D5000-memory.dmp

                              memory/3656-173-0x00000000007C0000-0x00000000007C9000-memory.dmp

                              memory/3736-175-0x0000000000550000-0x0000000000556000-memory.dmp

                              memory/3736-189-0x0000000000550000-0x0000000000556000-memory.dmp

                              memory/3736-176-0x0000000000540000-0x000000000054B000-memory.dmp

                              memory/4476-168-0x0000000000D20000-0x0000000000D26000-memory.dmp

                              memory/4476-186-0x0000000000D20000-0x0000000000D26000-memory.dmp

                              memory/4476-165-0x0000000000D10000-0x0000000000D1C000-memory.dmp