Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 13:08

General

  • Target

    2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe

  • Size

    309KB

  • MD5

    26ce123ca4fb973543d48c2da9ece87e

  • SHA1

    ab474a3c06831b4f673f400f912f77cd3fd154fd

  • SHA256

    2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf

  • SHA512

    502aa5d8c6c1a2902f22048d862b7d92a008d5a5c34862bd876851275e8217afad479bf02810de60b06f5ba6a557e758d12dd67418f927c784bb464553eb22b7

  • SSDEEP

    6144:0L8EEnOV4QFDXk44lMZzx+dzj8aYI0FjT:0BEn+FDXXZVKzgQ0F3

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe
    "C:\Users\Admin\AppData\Local\Temp\2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2332
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A5A74AFE-932B-4625-B23B-7AFF37643A59} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Roaming\ehthwfd
      C:\Users\Admin\AppData\Roaming\ehthwfd
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\ehthwfd

    Filesize

    309KB

    MD5

    26ce123ca4fb973543d48c2da9ece87e

    SHA1

    ab474a3c06831b4f673f400f912f77cd3fd154fd

    SHA256

    2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf

    SHA512

    502aa5d8c6c1a2902f22048d862b7d92a008d5a5c34862bd876851275e8217afad479bf02810de60b06f5ba6a557e758d12dd67418f927c784bb464553eb22b7

  • memory/320-28-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/320-29-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/320-31-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/1356-4-0x0000000002990000-0x00000000029A6000-memory.dmp

    Filesize

    88KB

  • memory/1356-30-0x0000000002D20000-0x0000000002D36000-memory.dmp

    Filesize

    88KB

  • memory/2332-1-0x0000000000C10000-0x0000000000D10000-memory.dmp

    Filesize

    1024KB

  • memory/2332-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2332-3-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2332-5-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB