Analysis

  • max time kernel
    152s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    16/10/2021, 02:57

General

  • Target
    g1UitnVSXkY82jcpWYJ4Y9yL.exe
  • Size 294KB
  • Sample211016-dflr2sbfe4
  • SHA256 5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://directorycart.com/upload/

  • http://tierzahnarzt.at/upload/

  • http://streetofcards.com/upload/

  • http://ycdfzd.com/upload/

  • http://successcoachceo.com/upload/

  • http://uhvu.cn/upload/

  • http://japanarticle.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\g1UitnVSXkY82jcpWYJ4Y9yL.exe
    "C:\Users\Admin\AppData\Local\Temp\g1UitnVSXkY82jcpWYJ4Y9yL.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2528

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2528-115-0x0000000001979000-0x0000000001989000-memory.dmp

        memory/2528-117-0x0000000000400000-0x00000000016BD000-memory.dmp

        memory/2528-116-0x0000000001820000-0x0000000001829000-memory.dmp

        memory/3024-118-0x00000000007B0000-0x00000000007C6000-memory.dmp