Analysis

  • max time kernel
    300s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    10-07-2023 04:12

General

  • Target

    5bfb4d5396885afd7f961ea33a3f3915161f45c4c74224a96fea4aec1d9966e0.exe

  • Size

    228KB

  • MD5

    003c599d2e92f035f59581d97f8bb8dd

  • SHA1

    912c3e1992213457df342cc7526ffbadd0e88300

  • SHA256

    5bfb4d5396885afd7f961ea33a3f3915161f45c4c74224a96fea4aec1d9966e0

  • SHA512

    88a83b40f66825a1c4330b13e145fdd387bbabd3259bb8e3b608c01b9d48723ec4b6cc98b03b0f2bc1f4eff40740e415c42e7fc4ee195609433cb90432f934e0

  • SSDEEP

    6144:kKZzO1/CJrWIICNg3tGld7CJHBtqquGv:w1abNmSd7Cqyv

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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bfb4d5396885afd7f961ea33a3f3915161f45c4c74224a96fea4aec1d9966e0.exe
    "C:\Users\Admin\AppData\Local\Temp\5bfb4d5396885afd7f961ea33a3f3915161f45c4c74224a96fea4aec1d9966e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\5bfb4d5396885afd7f961ea33a3f3915161f45c4c74224a96fea4aec1d9966e0.exe
      "C:\Users\Admin\AppData\Local\Temp\5bfb4d5396885afd7f961ea33a3f3915161f45c4c74224a96fea4aec1d9966e0.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1200-59-0x00000000029D0000-0x00000000029E6000-memory.dmp

    Filesize

    88KB

  • memory/2292-57-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2308-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2308-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2308-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2308-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB