Analysis

  • max time kernel
    159s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    27-01-2022 01:30

General

  • Target

    07da30e4f884ecbd93bb96b537173343c418e51e027fb939a3ebf2646153c048.exe

  • Size

    240KB

  • MD5

    e340f9d46388591e62193c895c265f7d

  • SHA1

    3ad2bf617090413133cb82044bbc9b4199836746

  • SHA256

    07da30e4f884ecbd93bb96b537173343c418e51e027fb939a3ebf2646153c048

  • SHA512

    d3833a399dee1882b814570c812585855f6cd5ffb0fa3d51eef54f72c4a98210785c859ca39ce9145fd882aecdad0cd6493963726975b57f44905d14f1b7b7d1

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\07da30e4f884ecbd93bb96b537173343c418e51e027fb939a3ebf2646153c048.exe
    "C:\Users\Admin\AppData\Local\Temp\07da30e4f884ecbd93bb96b537173343c418e51e027fb939a3ebf2646153c048.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\07da30e4f884ecbd93bb96b537173343c418e51e027fb939a3ebf2646153c048.exe
      "C:\Users\Admin\AppData\Local\Temp\07da30e4f884ecbd93bb96b537173343c418e51e027fb939a3ebf2646153c048.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3796

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/2620-115-0x00000000004FA000-0x0000000000503000-memory.dmp
    Filesize

    36KB

  • memory/2620-117-0x00000000001D0000-0x00000000001D9000-memory.dmp
    Filesize

    36KB

  • memory/3040-119-0x0000000000DC0000-0x0000000000DD6000-memory.dmp
    Filesize

    88KB

  • memory/3796-116-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3796-118-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB