Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 16:19

General

  • Target

    7ab3089b4bc0b2ec859ddd7af7e4c416f6991334446dd1d34259a1bea6f049de.exe

  • Size

    268KB

  • MD5

    76fcff574e3be7e998dd8815a8de89f1

  • SHA1

    76e5372087c4d31aaf39987614757ef49c6c9c18

  • SHA256

    7ab3089b4bc0b2ec859ddd7af7e4c416f6991334446dd1d34259a1bea6f049de

  • SHA512

    bff98536376ff5e7e81644046f7dc217d482622f2a131dfd106e4ee532416af4b94aabc81dee4503f1801e46639a14240fbe7852cb440012f131e669337514cb

  • SSDEEP

    3072:VPOHA/cRL3ALRqxCqQhsiGhrT5ZDo8t8tRYAU4F65YwOw5IXAzfXI/qZgTGA:RGRLQL48q2Mr9Z08twl3wOyuT

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ab3089b4bc0b2ec859ddd7af7e4c416f6991334446dd1d34259a1bea6f049de.exe
    "C:\Users\Admin\AppData\Local\Temp\7ab3089b4bc0b2ec859ddd7af7e4c416f6991334446dd1d34259a1bea6f049de.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3036
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E78D1E7E-674B-429F-8B92-3430F23C017E} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Roaming\jeucwvr
      C:\Users\Admin\AppData\Roaming\jeucwvr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    268KB

    MD5

    76fcff574e3be7e998dd8815a8de89f1

    SHA1

    76e5372087c4d31aaf39987614757ef49c6c9c18

    SHA256

    7ab3089b4bc0b2ec859ddd7af7e4c416f6991334446dd1d34259a1bea6f049de

    SHA512

    bff98536376ff5e7e81644046f7dc217d482622f2a131dfd106e4ee532416af4b94aabc81dee4503f1801e46639a14240fbe7852cb440012f131e669337514cb

  • memory/1252-4-0x00000000029A0000-0x00000000029B6000-memory.dmp

    Filesize

    88KB

  • memory/1252-16-0x0000000002A00000-0x0000000002A16000-memory.dmp

    Filesize

    88KB

  • memory/2668-14-0x0000000000CB0000-0x0000000000DB0000-memory.dmp

    Filesize

    1024KB

  • memory/2668-15-0x0000000000400000-0x0000000000845000-memory.dmp

    Filesize

    4.3MB

  • memory/2668-17-0x0000000000400000-0x0000000000845000-memory.dmp

    Filesize

    4.3MB

  • memory/3036-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/3036-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/3036-3-0x0000000000400000-0x0000000000845000-memory.dmp

    Filesize

    4.3MB

  • memory/3036-5-0x0000000000400000-0x0000000000845000-memory.dmp

    Filesize

    4.3MB