Analysis

  • max time kernel
    135s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-04-2021 08:49

General

  • Target

    0d1334075336455a13a36fd909417556.exe

  • Size

    32KB

  • MD5

    0d1334075336455a13a36fd909417556

  • SHA1

    4f1937f0eeeb697ef992547701295134fde65c20

  • SHA256

    33d7fa2a8936cc5064b63592b77f87c02fcdc1396395ae2316e3a7c783523ad9

  • SHA512

    d1f51355db6c4b040196b2588b8f21ef94d11901c7e8ea2c3632622adc791721d044c9a9448c8344406e5cbad2083f140caf9492d3dfef12724d22bb6e549971

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://94.140.115.43/1/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d1334075336455a13a36fd909417556.exe
    "C:\Users\Admin\AppData\Local\Temp\0d1334075336455a13a36fd909417556.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: MapViewOfSection
    PID:1240

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1216-61-0x0000000001DB0000-0x0000000001DC5000-memory.dmp
    Filesize

    84KB

  • memory/1216-60-0x0000000001DD0000-0x0000000001DD1000-memory.dmp
    Filesize

    4KB

  • memory/1240-59-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB