Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11/11/2020, 16:34

General

  • Target
    725cb3e7703c08cd0b8ca25b42fe41eb.exe
  • Size 281KB
  • Sample201111-dapwvdrzca
  • SHA256 f57ecede28fa0147d09d5a29bb1868b266b3dc6684f82418822186dc829cc886
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://smk10ddde.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 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 531 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\725cb3e7703c08cd0b8ca25b42fe41eb.exe
    "C:\Users\Admin\AppData\Local\Temp\725cb3e7703c08cd0b8ca25b42fe41eb.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:532

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/532-0-0x0000000000780000-0x0000000000791000-memory.dmp

        memory/1260-2-0x0000000002130000-0x0000000002145000-memory.dmp