Overview

overview

10

Static

static

38cbd9820e...fe.exe

windows7_x64

10

38cbd9820e...fe.exe

windows10_x64

10

Analysis

  • max time kernel
    160s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    12-11-2021 16:36

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General

  • Target

    38cbd9820e8528708c24ea761f0de8fe.exe

  • Size

    336KB

  • MD5

    38cbd9820e8528708c24ea761f0de8fe

  • SHA1

    17238afe79a445baf45cb5395a7a192b20beab01

  • SHA256

    8dda40a5568292661c1157e6edf3454e9fbf6d2215085b2ac39731276f1e83e3

  • SHA512

    c5342a02d6dd9719ebdf7399163efd6d8aec683e85397ac422ace0baa42a1ff04ce60c080f2068eee4fc7fea35aed998e037c63030bf208c05d5043c9767eb29

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://nalirou70.top/

http://xacokuo80.top/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38cbd9820e8528708c24ea761f0de8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\38cbd9820e8528708c24ea761f0de8fe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\38cbd9820e8528708c24ea761f0de8fe.exe
      "C:\Users\Admin\AppData\Local\Temp\38cbd9820e8528708c24ea761f0de8fe.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1472

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

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Downloads

  • memory/1472-119-0x0000000000400000-0x0000000000408000-memory.dmp
    Filesize

    32KB

    Download
  • memory/1472-120-0x0000000000402DC6-mapping.dmp
    Download
  • memory/2156-122-0x0000000001120000-0x0000000001136000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2684-121-0x0000000002BA0000-0x0000000002BA9000-memory.dmp
    Filesize

    36KB

    Download