Analysis

  • max time kernel
    150s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2023, 05:47

General

  • Target

    009dce107c48162923e7c55fe3a6ec74.exe

  • Size

    280KB

  • MD5

    009dce107c48162923e7c55fe3a6ec74

  • SHA1

    56e40fe908b956a595cc271ab64f06f8557b9ab3

  • SHA256

    7aeac9679553ada579de239cadd28a6c4df0fecbf58369472030f2c3990687dc

  • SHA512

    96d0904667f4968029c9a55393cdc346c62e0617c1b2d0404b07547b3769419cc5250ae6d3d98dee68c6fa4a56c16c1fcc69e4e19fb07be7203c2bc3e066d654

  • SSDEEP

    1536:GkhXCxnMjlkNSCWjwb/wnYVRLqQffCfh+kAJ3eX5nREuutaZ0WOya/sHpM3aYwPm:eBk3CWjwb/wYV1xH+AJkRKaGv/sHpg

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://62.204.41.133/

https://62.204.41.133/

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\009dce107c48162923e7c55fe3a6ec74.exe
    "C:\Users\Admin\AppData\Local\Temp\009dce107c48162923e7c55fe3a6ec74.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\009dce107c48162923e7c55fe3a6ec74.EXE
      "C:\Users\Admin\AppData\Local\Temp\009dce107c48162923e7c55fe3a6ec74.EXE"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2028

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1208-61-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

          Filesize

          88KB

        • memory/1208-66-0x000007FF4CCE0000-0x000007FF4CCEA000-memory.dmp

          Filesize

          40KB

        • memory/2028-56-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2028-57-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2028-58-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2028-59-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2028-60-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2028-62-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB