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Analysis

  • max time kernel
    150s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2023, 01:11

General

  • Target

    setup.exe

  • Size

    274KB

  • MD5

    72f8d289fba464c2202292f0013ec032

  • SHA1

    1bd02e687888e43e1e652b831dfb27786797ff7d

  • SHA256

    eb2a81873467dd77ad98de250ee4de97a681051b8fdf1d9b3e1108777fe20f02

  • SHA512

    81a3c61ae9a5dcd1a840bfd9ff4f4ab4f12a2d0d3bd7322135069630d08a305e4a8a53c6a4e96735774b1242928a8ab69cd039b12732609c8f0dd978c9a2bdbe

  • SSDEEP

    3072:O3YPCOt43uLvsLuxVu6FCbZsEQGrvzpWUSBfJHpJfa1yP5g/gpNN4TJY:Jguv2uxUQUwfJJJf6/ONN4T

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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1268-59-0x00000000029A0000-0x00000000029B6000-memory.dmp

    Filesize

    88KB

  • memory/1984-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1984-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1984-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1984-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2004-57-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB