Analysis

  • max time kernel
    12s
  • max time network
    105s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    03-03-2021 19:00

General

  • Target

    9ac835c38d4d0c6466e641427a2cf8f1.exe

  • Size

    32KB

  • MD5

    9ac835c38d4d0c6466e641427a2cf8f1

  • SHA1

    108a8b5f1eaf9ef078a3dc0210e6aa961d6b3787

  • SHA256

    b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621

  • SHA512

    226480dc7c6d7f3eee39365e59cc317f203da475beb85d599fee3ae02d64306869eda37ee22076100b240904a2c15b53249efd0020deb6526639d49d4e236cc8

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://cfsmarthome.net/1/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious behavior: MapViewOfSection 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ac835c38d4d0c6466e641427a2cf8f1.exe
    "C:\Users\Admin\AppData\Local\Temp\9ac835c38d4d0c6466e641427a2cf8f1.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: MapViewOfSection
    PID:4768

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3012-2-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
    Filesize

    4KB

  • memory/3012-3-0x0000000000D90000-0x0000000000DA5000-memory.dmp
    Filesize

    84KB