Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    09/03/2022, 19:56

General

  • Target
    d09da2c5d62f0bdafdcd0aecb22ca327.exe
  • Size 357KB
  • Sample220309-ynph5abfc2
  • SHA256 640e33013ce3399b038c711c9bd6b9cea8a8f50ca0e5e13a39f0972dec56bb49
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-data-coin-11.com/

  • http://file-coin-host-12.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d09da2c5d62f0bdafdcd0aecb22ca327.exe
    "C:\Users\Admin\AppData\Local\Temp\d09da2c5d62f0bdafdcd0aecb22ca327.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Local\Temp\d09da2c5d62f0bdafdcd0aecb22ca327.exe
      "C:\Users\Admin\AppData\Local\Temp\d09da2c5d62f0bdafdcd0aecb22ca327.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1632

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1384-61-0x00000000025D0000-0x00000000025E6000-memory.dmp

        memory/1632-55-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1632-57-0x0000000075801000-0x0000000075803000-memory.dmp

        memory/1632-59-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1632-60-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1672-54-0x0000000002F4B000-0x0000000002F5C000-memory.dmp

        memory/1672-56-0x0000000002F4B000-0x0000000002F5C000-memory.dmp

        memory/1672-58-0x0000000000220000-0x0000000000229000-memory.dmp