Analysis

  • max time kernel
    150s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2023 12:23

General

  • Target

    624c2a77dcb7007979cf123da46497a9c66fe49cd7450f26b6018f45bd756d68.exe

  • Size

    366KB

  • MD5

    b826ede76c8d08563b330b07137ab9ab

  • SHA1

    b0c5e23043b7a1f8d334f12041246251becc84d5

  • SHA256

    624c2a77dcb7007979cf123da46497a9c66fe49cd7450f26b6018f45bd756d68

  • SHA512

    43cf20dbe86c4d26a9bb5cf5a99202815b8155b1bad1e7dcb30f33f569770650ed33e737d656c2e93cdab65ee3ce6e947cd22634d9391b5f0a073375bb35c674

  • SSDEEP

    6144:PFeLlgkqbNpznQfrkpqq39oxupmL0zSjT:Ps+ksj9oxupmL0

Malware Config

Extracted

Family

smokeloader

Botnet

lab

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 WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\624c2a77dcb7007979cf123da46497a9c66fe49cd7450f26b6018f45bd756d68.exe
    "C:\Users\Admin\AppData\Local\Temp\624c2a77dcb7007979cf123da46497a9c66fe49cd7450f26b6018f45bd756d68.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Users\Admin\AppData\Local\Temp\624c2a77dcb7007979cf123da46497a9c66fe49cd7450f26b6018f45bd756d68.exe
      "C:\Users\Admin\AppData\Local\Temp\624c2a77dcb7007979cf123da46497a9c66fe49cd7450f26b6018f45bd756d68.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/828-57-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1196-59-0x0000000002B70000-0x0000000002B86000-memory.dmp

    Filesize

    88KB

  • memory/1196-64-0x000007FEF97D0000-0x000007FEF97DA000-memory.dmp

    Filesize

    40KB

  • memory/1280-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1280-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1280-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1280-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB