Analysis

  • max time kernel
    228s
  • max time network
    219s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 18:37

General

  • Target

    e0fe8e11d445825939a85026aa8114431a5528ca04bf15f2c6de38a3a957b7d6.exe

  • Size

    218KB

  • MD5

    62935f055088cf06611cc9b22cc7cab1

  • SHA1

    764186bd8974a68e6d8b65f897c07d961d8a0a29

  • SHA256

    e0fe8e11d445825939a85026aa8114431a5528ca04bf15f2c6de38a3a957b7d6

  • SHA512

    d3947b6d01a317f8cb1c01a81287f9c3bdf1ad8857622b1e76e4f0b9670ffcb7b50306b039f5d8e5028237721c68b2a452925cf3188495e7cf642f1fde56b7e7

  • SSDEEP

    6144:vieytxg3F+tw1TLuCXgxZ2pVhRueN9Dj:ahaV1VXgv2pVhRuMd

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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.

  • 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 AdjustPrivilegeToken 2 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\e0fe8e11d445825939a85026aa8114431a5528ca04bf15f2c6de38a3a957b7d6.exe
    "C:\Users\Admin\AppData\Local\Temp\e0fe8e11d445825939a85026aa8114431a5528ca04bf15f2c6de38a3a957b7d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\AppData\Local\Temp\e0fe8e11d445825939a85026aa8114431a5528ca04bf15f2c6de38a3a957b7d6.exe
      "C:\Users\Admin\AppData\Local\Temp\e0fe8e11d445825939a85026aa8114431a5528ca04bf15f2c6de38a3a957b7d6.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/756-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/756-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/756-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1468-0-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/1468-1-0x00000000005C0000-0x00000000005C9000-memory.dmp

    Filesize

    36KB

  • memory/1468-3-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/3160-5-0x0000000003300000-0x0000000003316000-memory.dmp

    Filesize

    88KB