Analysis

  • max time kernel
    300s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 04:48

General

  • Target

    053b0f709d50827cf7a0ca9cf7be1474b140a5b5f4f82ae6d1b7d1fd03af4e32.exe

  • Size

    261KB

  • MD5

    f7bb869109852bdc82d3cd72b40e490e

  • SHA1

    5bb60cebc8aea63a139afda43529c012341534ea

  • SHA256

    053b0f709d50827cf7a0ca9cf7be1474b140a5b5f4f82ae6d1b7d1fd03af4e32

  • SHA512

    77cbfc4c580e81a0fab515c0122d32785d0db3a8feaf6adcadc62f9eabd162bab09a6d6427a9549d9e0305d6535f1d850c394fba0458e7fba0b25b370e914f5d

  • SSDEEP

    3072:ec+9WOofptfLD/y+DWVyGudfvK1Es18HTxGK7bHdeXMQw0WXmSIN8niPhr:cQPj7yWv+1PK7h4i0bh8nSr

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\053b0f709d50827cf7a0ca9cf7be1474b140a5b5f4f82ae6d1b7d1fd03af4e32.exe
    "C:\Users\Admin\AppData\Local\Temp\053b0f709d50827cf7a0ca9cf7be1474b140a5b5f4f82ae6d1b7d1fd03af4e32.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2276
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FD9F1A08-4388-4C7D-AD3D-E446F571F072} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Roaming\cgbthvg
      C:\Users\Admin\AppData\Roaming\cgbthvg
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    261KB

    MD5

    f7bb869109852bdc82d3cd72b40e490e

    SHA1

    5bb60cebc8aea63a139afda43529c012341534ea

    SHA256

    053b0f709d50827cf7a0ca9cf7be1474b140a5b5f4f82ae6d1b7d1fd03af4e32

    SHA512

    77cbfc4c580e81a0fab515c0122d32785d0db3a8feaf6adcadc62f9eabd162bab09a6d6427a9549d9e0305d6535f1d850c394fba0458e7fba0b25b370e914f5d

  • memory/1148-4-0x0000000002580000-0x0000000002596000-memory.dmp

    Filesize

    88KB

  • memory/1148-14-0x0000000002DE0000-0x0000000002DF6000-memory.dmp

    Filesize

    88KB

  • memory/1648-15-0x0000000000400000-0x0000000004033000-memory.dmp

    Filesize

    60.2MB

  • memory/2276-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2276-1-0x00000000041C0000-0x00000000042C0000-memory.dmp

    Filesize

    1024KB

  • memory/2276-3-0x0000000000400000-0x0000000004033000-memory.dmp

    Filesize

    60.2MB

  • memory/2276-5-0x0000000000400000-0x0000000004033000-memory.dmp

    Filesize

    60.2MB