Analysis

  • max time kernel
    150s
  • 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
    29/09/2022, 10:19

General

  • Target
    file.exe
  • Size 290KB
  • Sample220929-mchewsbebl
  • SHA256 e7aee53b7e1b227bbc873e7bb00a789ece328bb061253ca7d4135c44a7a6b7b7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1048
  • C:\Users\Admin\AppData\Roaming\dsbbecg
    C:\Users\Admin\AppData\Roaming\dsbbecg
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2144

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        dsbbecg

        • Path C:\Users\Admin\AppData\Roaming\dsbbecg
        • Size 290KB
        • SHA256 e7aee53b7e1b227bbc873e7bb00a789ece328bb061253ca7d4135c44a7a6b7b7
        • MD5 SHA1 SHA512 SSDEEP

        dsbbecg

        • Path C:\Users\Admin\AppData\Roaming\dsbbecg
        • Size 290KB
        • SHA256 e7aee53b7e1b227bbc873e7bb00a789ece328bb061253ca7d4135c44a7a6b7b7
        • MD5 SHA1 SHA512 SSDEEP

        memory/1048-132-0x000000000065E000-0x000000000066F000-memory.dmp

        memory/1048-133-0x0000000000590000-0x0000000000599000-memory.dmp

        memory/1048-134-0x0000000000400000-0x000000000044D000-memory.dmp

        memory/1048-135-0x0000000000400000-0x000000000044D000-memory.dmp

        memory/2144-138-0x000000000070E000-0x000000000071F000-memory.dmp

        memory/2144-139-0x0000000000400000-0x000000000044D000-memory.dmp

        memory/2144-140-0x0000000000400000-0x000000000044D000-memory.dmp