Analysis

  • max time kernel
    150s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/09/2023, 02:47

General

  • Target

    9679bd82b97cef2666a160a0511b96b40e794466ee9d00a5607ba51b2ff95236.exe

  • Size

    197KB

  • MD5

    fc87b15ae486d4dc9071b06f293301dd

  • SHA1

    d1d0c61ecca209894b7016987752bd217e8055e5

  • SHA256

    9679bd82b97cef2666a160a0511b96b40e794466ee9d00a5607ba51b2ff95236

  • SHA512

    c6d125f33a2023751389ff96234dafef75bf1f62c908b927befe287dd10449260f0d4b08279c8da176cb101397ddac20abadf6d3c010ada80a349bad86acdfad

  • SSDEEP

    3072:jrenLJF5eSQtqsF4nT5y775sPlUtUy847N7I55Ko9P+TfN49Q:2nL3MSOF4Tw7kmWB47N7IOEP+TV4i

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\9679bd82b97cef2666a160a0511b96b40e794466ee9d00a5607ba51b2ff95236.exe
    "C:\Users\Admin\AppData\Local\Temp\9679bd82b97cef2666a160a0511b96b40e794466ee9d00a5607ba51b2ff95236.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Users\Admin\AppData\Local\Temp\9679bd82b97cef2666a160a0511b96b40e794466ee9d00a5607ba51b2ff95236.exe
      "C:\Users\Admin\AppData\Local\Temp\9679bd82b97cef2666a160a0511b96b40e794466ee9d00a5607ba51b2ff95236.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2660

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2660-2-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2660-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2660-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3156-5-0x0000000002E50000-0x0000000002E66000-memory.dmp

          Filesize

          88KB

        • memory/4780-0-0x0000000000720000-0x0000000000735000-memory.dmp

          Filesize

          84KB

        • memory/4780-1-0x0000000000740000-0x0000000000749000-memory.dmp

          Filesize

          36KB

        • memory/4780-3-0x0000000000720000-0x0000000000735000-memory.dmp

          Filesize

          84KB