Analysis

  • max time kernel
    174s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 18:35

General

  • Target
    de2cc5ab0c1b901b1d57a0e10c0185be.exe
  • Size 194KB
  • Sample230208-w8cc7aec69
  • SHA256 a754e3d045adbd88b59a7b80ea127636f710c4183001cce2b7614611b7c141e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Legitimate hosting services abused for malware hosting/C2 1 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 WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de2cc5ab0c1b901b1d57a0e10c0185be.exe
    "C:\Users\Admin\AppData\Local\Temp\de2cc5ab0c1b901b1d57a0e10c0185be.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4268
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4700
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3224
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3524
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2940
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1436
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:4828
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2276
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2540
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:4556

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/1436-168-0x0000000000BB0000-0x0000000000BD2000-memory.dmp

                          memory/1436-151-0x0000000000B80000-0x0000000000BA7000-memory.dmp

                          memory/1436-150-0x0000000000BB0000-0x0000000000BD2000-memory.dmp

                          memory/2276-157-0x0000000000EE0000-0x0000000000EEB000-memory.dmp

                          memory/2276-170-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

                          memory/2276-156-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

                          memory/2540-160-0x00000000004F0000-0x00000000004FD000-memory.dmp

                          memory/2540-159-0x0000000000500000-0x0000000000507000-memory.dmp

                          memory/2540-171-0x0000000000500000-0x0000000000507000-memory.dmp

                          memory/2940-167-0x0000000000B50000-0x0000000000B56000-memory.dmp

                          memory/2940-147-0x0000000000B50000-0x0000000000B56000-memory.dmp

                          memory/2940-148-0x0000000000B40000-0x0000000000B4C000-memory.dmp

                          memory/3224-141-0x0000000000D70000-0x0000000000D79000-memory.dmp

                          memory/3224-165-0x0000000000D70000-0x0000000000D79000-memory.dmp

                          memory/3224-142-0x0000000000D60000-0x0000000000D6F000-memory.dmp

                          memory/3524-166-0x0000000000AF0000-0x0000000000AF5000-memory.dmp

                          memory/3524-145-0x0000000000AE0000-0x0000000000AE9000-memory.dmp

                          memory/3524-144-0x0000000000AF0000-0x0000000000AF5000-memory.dmp

                          memory/4268-132-0x0000000000718000-0x000000000072B000-memory.dmp

                          memory/4268-136-0x0000000000400000-0x000000000055F000-memory.dmp

                          memory/4268-135-0x0000000000718000-0x000000000072B000-memory.dmp

                          memory/4268-133-0x00000000006F0000-0x00000000006F9000-memory.dmp

                          memory/4268-134-0x0000000000400000-0x000000000055F000-memory.dmp

                          memory/4556-162-0x0000000000F10000-0x0000000000F18000-memory.dmp

                          memory/4556-163-0x0000000000F00000-0x0000000000F0B000-memory.dmp

                          memory/4556-172-0x0000000000F10000-0x0000000000F18000-memory.dmp

                          memory/4700-164-0x0000000000B90000-0x0000000000B97000-memory.dmp

                          memory/4700-139-0x0000000000B80000-0x0000000000B8B000-memory.dmp

                          memory/4700-138-0x0000000000B90000-0x0000000000B97000-memory.dmp

                          memory/4828-154-0x0000000000F00000-0x0000000000F09000-memory.dmp

                          memory/4828-153-0x0000000000F10000-0x0000000000F15000-memory.dmp

                          memory/4828-169-0x0000000000F10000-0x0000000000F15000-memory.dmp