Overview

overview

10

Static

static

eufive_202...46.exe

windows7_x64

10

eufive_202...46.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    26-09-2021 11:49

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General

  • Target

    eufive_20210923-213446.exe

  • Size

    118KB

  • MD5

    e9a66024f69e24e192dc5137b38055be

  • SHA1

    8c02e95e9f0fae73a9c38f3042881bd6cd7d034f

  • SHA256

    1658cc46119a0060850e09f244da2671f94825ed795a7e50cb0f6c1a6bd2bf4f

  • SHA512

    d691a913133cc5b81af167c12cef2a8b46df7ecdf51eb07d9ce805460c126bfc4f671b738d9943d9e46298cda845c0e2c748f7086f1604829011bde1100f014a

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://sokdikksiiefgsdf.cyou/

https://sokdikksiiefgsdf.cyou/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 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 7 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eufive_20210923-213446.exe
    "C:\Users\Admin\AppData\Local\Temp\eufive_20210923-213446.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2388
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2668
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2756
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3808

        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

        Loading Replay Monitor...

        Downloads

        • memory/392-117-0x0000000000390000-0x00000000003A5000-memory.dmp
          Filesize

          84KB

          Download
        • memory/2388-115-0x0000000000820000-0x0000000000829000-memory.dmp
          Filesize

          36KB

          Download
        • memory/2388-116-0x0000000000400000-0x00000000004A4000-memory.dmp
          Filesize

          656KB

          Download
        • memory/2668-118-0x0000000000000000-mapping.dmp
          Download
        • memory/2668-122-0x0000000002A00000-0x0000000002A74000-memory.dmp
          Filesize

          464KB

          Download
        • memory/2668-123-0x0000000002750000-0x00000000027BB000-memory.dmp
          Filesize

          428KB

          Download
        • memory/2756-119-0x0000000000000000-mapping.dmp
          Download
        • memory/2756-121-0x00000000005D0000-0x00000000005DC000-memory.dmp
          Filesize

          48KB

          Download
        • memory/2756-120-0x00000000005E0000-0x00000000005E7000-memory.dmp
          Filesize

          28KB

          Download
        • memory/3808-124-0x0000000000000000-mapping.dmp
          Download
        • memory/3808-126-0x0000000002B60000-0x0000000002B6B000-memory.dmp
          Filesize

          44KB

          Download
        • memory/3808-125-0x0000000002B70000-0x0000000002B78000-memory.dmp
          Filesize

          32KB

          Download