Analysis

  • max time kernel
    166s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 14:57

General

  • Target

    60c726b7dd94a8c2c3bc21fd8b4d04c52cf09463c2cb54813cb4566b5fdf4bec.exe

  • Size

    352KB

  • MD5

    97fc4c260a19feccdf071b6a8eb3ea91

  • SHA1

    95d27583e4a9d57eae95484fa098dbee043c2568

  • SHA256

    60c726b7dd94a8c2c3bc21fd8b4d04c52cf09463c2cb54813cb4566b5fdf4bec

  • SHA512

    7b2e7d830b3c345fd20b0305d406fb8be5337df9b05efc003d682293d5feaf53ac2fefe50f84f8fcc3123a26cf1bc29df29e22801155785e97604926daa2c00d

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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60c726b7dd94a8c2c3bc21fd8b4d04c52cf09463c2cb54813cb4566b5fdf4bec.exe
    "C:\Users\Admin\AppData\Local\Temp\60c726b7dd94a8c2c3bc21fd8b4d04c52cf09463c2cb54813cb4566b5fdf4bec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\60c726b7dd94a8c2c3bc21fd8b4d04c52cf09463c2cb54813cb4566b5fdf4bec.exe
      "C:\Users\Admin\AppData\Local\Temp\60c726b7dd94a8c2c3bc21fd8b4d04c52cf09463c2cb54813cb4566b5fdf4bec.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3636

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/2716-119-0x0000000000490000-0x000000000053E000-memory.dmp
    Filesize

    696KB

  • memory/3044-122-0x0000000001250000-0x0000000001266000-memory.dmp
    Filesize

    88KB

  • memory/3636-120-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3636-121-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB