Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    28/02/2022, 08:34

General

  • Target
    59ca82d464927e57a30c6f780bd23413.exe
  • Size 295KB
  • Sample220228-kgf2hsfbbj
  • SHA256 e5195cac9a0da85c93e0d93ab45fb84d5153ae31171126d4ee4cbfc2cc4a7204
  • 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.

  • 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\59ca82d464927e57a30c6f780bd23413.exe
    "C:\Users\Admin\AppData\Local\Temp\59ca82d464927e57a30c6f780bd23413.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:308
    • C:\Users\Admin\AppData\Local\Temp\59ca82d464927e57a30c6f780bd23413.exe
      "C:\Users\Admin\AppData\Local\Temp\59ca82d464927e57a30c6f780bd23413.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3088

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/308-130-0x00000000006F0000-0x00000000006F9000-memory.dmp

        memory/308-131-0x0000000000700000-0x0000000000709000-memory.dmp

        memory/2428-134-0x0000000000910000-0x0000000000926000-memory.dmp

        memory/3088-132-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3088-133-0x0000000000400000-0x0000000000409000-memory.dmp