Analysis

  • max time kernel
    150s
  • max time network
    72s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/05/2023, 17:41

General

  • Target

    581201a8df71cd33de6114a136c1e9786c56e0f42e5f56cf89631090cb61d0b0.exe

  • Size

    328KB

  • MD5

    0f452ce81bff587325c47954822a51fe

  • SHA1

    6bbbf8b459e68381b7411d525a4b9ee4bbcb5f5d

  • SHA256

    581201a8df71cd33de6114a136c1e9786c56e0f42e5f56cf89631090cb61d0b0

  • SHA512

    47fd8f4235ec417b29739bafcbd19990b1b7bedd8c9283a45fd5f57135190f85eb07956896c454f4a3684c55043a43c6505fd3ef6d5e396f599dc1058039f019

  • SSDEEP

    3072:9JwgJVpgHvzVXf74m8fzzKB/UfAi0i5VI9Y4rD0nDUevcjdz4sNoLtS38wz:L30Jf1b/aNd5VKYjDtvE9St0

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\581201a8df71cd33de6114a136c1e9786c56e0f42e5f56cf89631090cb61d0b0.exe
    "C:\Users\Admin\AppData\Local\Temp\581201a8df71cd33de6114a136c1e9786c56e0f42e5f56cf89631090cb61d0b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\581201a8df71cd33de6114a136c1e9786c56e0f42e5f56cf89631090cb61d0b0.exe
      "C:\Users\Admin\AppData\Local\Temp\581201a8df71cd33de6114a136c1e9786c56e0f42e5f56cf89631090cb61d0b0.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3076-122-0x0000000000730000-0x0000000000739000-memory.dmp

    Filesize

    36KB

  • memory/3092-124-0x0000000000E60000-0x0000000000E76000-memory.dmp

    Filesize

    88KB

  • memory/3712-121-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3712-123-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3712-125-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB