Analysis

  • max time kernel
    300s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    28-03-2024 22:48

General

  • Target

    e1af95757a4d88e5587e610b89f480a9d3fae23b127da1281acb92f6d799293e.exe

  • Size

    270KB

  • MD5

    3f67d322483d0927550a3af60e3eca78

  • SHA1

    0867bc564486f61f74aa2de478ce41d116f3fd09

  • SHA256

    e1af95757a4d88e5587e610b89f480a9d3fae23b127da1281acb92f6d799293e

  • SHA512

    4cff21820c990386c2fe6c5dcdf523b250036bdaa23811f592fccb2a1f29913be3775748057a508486b84a9692c3c3a78e82e68e84bed6d0e9fbc62aee2ef878

  • SSDEEP

    3072:4YQM46UnJomsK05+tunpXeh3tnuaY06K+Nm535Zjstefdoua:4YKCJ5Tu3tnNY0x+NmVQeFo

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 2 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\e1af95757a4d88e5587e610b89f480a9d3fae23b127da1281acb92f6d799293e.exe
    "C:\Users\Admin\AppData\Local\Temp\e1af95757a4d88e5587e610b89f480a9d3fae23b127da1281acb92f6d799293e.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4972
  • C:\Users\Admin\AppData\Roaming\biavtdg
    C:\Users\Admin\AppData\Roaming\biavtdg
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    270KB

    MD5

    3f67d322483d0927550a3af60e3eca78

    SHA1

    0867bc564486f61f74aa2de478ce41d116f3fd09

    SHA256

    e1af95757a4d88e5587e610b89f480a9d3fae23b127da1281acb92f6d799293e

    SHA512

    4cff21820c990386c2fe6c5dcdf523b250036bdaa23811f592fccb2a1f29913be3775748057a508486b84a9692c3c3a78e82e68e84bed6d0e9fbc62aee2ef878

  • memory/3368-14-0x0000000000D60000-0x0000000000E60000-memory.dmp

    Filesize

    1024KB

  • memory/3368-15-0x0000000000400000-0x0000000000AEC000-memory.dmp

    Filesize

    6.9MB

  • memory/3368-19-0x0000000000400000-0x0000000000AEC000-memory.dmp

    Filesize

    6.9MB

  • memory/3372-4-0x00000000010E0000-0x00000000010F6000-memory.dmp

    Filesize

    88KB

  • memory/3372-16-0x0000000003090000-0x00000000030A6000-memory.dmp

    Filesize

    88KB

  • memory/4972-1-0x0000000000E20000-0x0000000000F20000-memory.dmp

    Filesize

    1024KB

  • memory/4972-2-0x0000000000D30000-0x0000000000D3B000-memory.dmp

    Filesize

    44KB

  • memory/4972-3-0x0000000000400000-0x0000000000AEC000-memory.dmp

    Filesize

    6.9MB

  • memory/4972-5-0x0000000000400000-0x0000000000AEC000-memory.dmp

    Filesize

    6.9MB