Analysis

  • max time kernel
    4265103s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    16-01-2022 07:46

General

  • Target

    ab54c7300e784173d43437efb30d05b1.exe

  • Size

    314KB

  • MD5

    ab54c7300e784173d43437efb30d05b1

  • SHA1

    7d0fe7468bd2e572b720abed5468f33c809ab01c

  • SHA256

    8fa2e2dc944134530288f4efd6b7b7288591993c08fd69dec0902b689435c028

  • SHA512

    b33998ae499ed54fbedb2e5aa20a161441dad4c037c6f9c86b1d252a1c4130b316e7d195159ff30e9db92059e3b3ff7e31e716c55459d3007aac662f2d4c0f4a

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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor 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 AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab54c7300e784173d43437efb30d05b1.exe
    "C:\Users\Admin\AppData\Local\Temp\ab54c7300e784173d43437efb30d05b1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\ab54c7300e784173d43437efb30d05b1.exe
      "C:\Users\Admin\AppData\Local\Temp\ab54c7300e784173d43437efb30d05b1.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:812
  • C:\Windows\system32\MusNotification.exe
    C:\Windows\system32\MusNotification.exe
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:3836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/812-132-0x0000000000000000-mapping.dmp

  • memory/812-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2108-130-0x000000000057E000-0x000000000058F000-memory.dmp

    Filesize

    68KB

  • memory/2108-131-0x0000000000530000-0x0000000000539000-memory.dmp

    Filesize

    36KB

  • memory/2440-134-0x0000000000BC0000-0x0000000000BD6000-memory.dmp

    Filesize

    88KB