Overview

overview

10

Static

static

38e32b1e4d...9a.exe

windows7_x64

10

38e32b1e4d...9a.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    112s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 18:37

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General

  • Target

    38e32b1e4d4211e075887915b162fce3fe009714f2dd9044b087a9e152a4c09a.exe

  • Size

    244KB

  • MD5

    5c091300b76fd514bafd1ebcef544f4c

  • SHA1

    3ff2d29ba12f4e93fbde52f2f873cc6927d67da8

  • SHA256

    38e32b1e4d4211e075887915b162fce3fe009714f2dd9044b087a9e152a4c09a

  • SHA512

    d2fbc1b766774ba1395fe5af5c45a441cb13957911061026080db7f3a75de2b2271c45566aebed55d4d1e101d07b5f0cd9e8c5b9f100b30aab1ab7685999118e

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://jo15y.se/ny/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38e32b1e4d4211e075887915b162fce3fe009714f2dd9044b087a9e152a4c09a.exe
    "C:\Users\Admin\AppData\Local\Temp\38e32b1e4d4211e075887915b162fce3fe009714f2dd9044b087a9e152a4c09a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Users\Admin\AppData\Local\Temp\38e32b1e4d4211e075887915b162fce3fe009714f2dd9044b087a9e152a4c09a.exe
      "C:\Users\Admin\AppData\Local\Temp\38e32b1e4d4211e075887915b162fce3fe009714f2dd9044b087a9e152a4c09a.exe"
      2⤵
      • Maps connected drives based on registry
      • Suspicious behavior: MapViewOfSection
      PID:740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/740-131-0x0000000000000000-mapping.dmp
    Download
  • memory/740-133-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/2712-132-0x00000000010E0000-0x00000000010F5000-memory.dmp
    Filesize

    84KB

    Download
  • memory/3180-130-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

    Download