Overview

overview

10

Static

static

3

bb2fc98b82...4f.exe

windows7-x64

10

bb2fc98b82...4f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 06:48

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General

  • Target

    bb2fc98b82c1910215e38cccc646bce1b4619a43ac67039104cab446a9cf5e4f.exe

  • Size

    321KB

  • MD5

    38ee9e81a37d0b0a67c0a0cd541c7173

  • SHA1

    e063f039e77db5c73209a32c6f1c3adc56880de2

  • SHA256

    bb2fc98b82c1910215e38cccc646bce1b4619a43ac67039104cab446a9cf5e4f

  • SHA512

    1185436c49629b8e72f2061c5d8466a48dd8588c1974a32a737683f1e4bf7f441d395b87c8267c9743107d71acdab929fd1730922ea403e601924ce52381cd9a

  • SSDEEP

    6144:4zp+J2ikZlnBs34qRFBHxGbdAfoChbwEFmKETX:4dZikzBs34qBRGB1Y2R

Score
10/10
smokeloaderpub3backdoortrojan

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.

    trojanbackdoorsmokeloader
  • 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
  • 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb2fc98b82c1910215e38cccc646bce1b4619a43ac67039104cab446a9cf5e4f.exe
    "C:\Users\Admin\AppData\Local\Temp\bb2fc98b82c1910215e38cccc646bce1b4619a43ac67039104cab446a9cf5e4f.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2208
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {773E019A-88B0-4344-8BD6-C487BD680437} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Roaming\ubferei
      C:\Users\Admin\AppData\Roaming\ubferei
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1968

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\ubferei
    Filesize

    321KB

    MD5

    38ee9e81a37d0b0a67c0a0cd541c7173

    SHA1

    e063f039e77db5c73209a32c6f1c3adc56880de2

    SHA256

    bb2fc98b82c1910215e38cccc646bce1b4619a43ac67039104cab446a9cf5e4f

    SHA512

    1185436c49629b8e72f2061c5d8466a48dd8588c1974a32a737683f1e4bf7f441d395b87c8267c9743107d71acdab929fd1730922ea403e601924ce52381cd9a

    Download Submit
  • memory/1288-4-0x0000000002C00000-0x0000000002C16000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1288-16-0x0000000002BB0000-0x0000000002BC6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1968-14-0x0000000002EC0000-0x0000000002FC0000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/1968-15-0x0000000000400000-0x0000000002D2E000-memory.dmp
    Filesize

    41.2MB

    Download
  • memory/1968-17-0x0000000000400000-0x0000000002D2E000-memory.dmp
    Filesize

    41.2MB

    Download
  • memory/2208-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp
    Filesize

    1024KB

    Download
  • memory/2208-2-0x0000000000220000-0x000000000022B000-memory.dmp
    Filesize

    44KB

    Download
  • memory/2208-3-0x0000000000400000-0x0000000002D2E000-memory.dmp
    Filesize

    41.2MB

    Download
  • memory/2208-5-0x0000000000400000-0x0000000002D2E000-memory.dmp
    Filesize

    41.2MB

    Download