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Overview

overview

10

Static

static

1

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    59s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/03/2023, 21:59

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General

  • Target

    5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc.exe

  • Size

    195KB

  • MD5

    2739711eafeafe7f45e592d63058c251

  • SHA1

    1d0aba47ce2fd5d5164e1a8b3f07d7fe30b4b6c2

  • SHA256

    5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc

  • SHA512

    6b0e0802d559752f9104d22088432b45fd9980859ffc2b3722e0282f05252173d6abfbd3a58f938fb42ff6ef1c79ae5ee444d01a82ddd70079c3be0546b523ba

  • SSDEEP

    3072:VZzloi+2irMTQVGSONOOMUFi/BUvYUrWdPZdEUFKq/iw6YC3:fhoZ2irMT9Fi/2YwWdPZdEoG3

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/
rc4.i32
rc4.i32

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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\5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc.exe
    "C:\Users\Admin\AppData\Local\Temp\5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Users\Admin\AppData\Local\Temp\5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc.exe
      "C:\Users\Admin\AppData\Local\Temp\5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3448
  • C:\Users\Admin\AppData\Roaming\sewjirs
    C:\Users\Admin\AppData\Roaming\sewjirs
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Users\Admin\AppData\Roaming\sewjirs
      C:\Users\Admin\AppData\Roaming\sewjirs
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:5032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    195KB

    MD5

    2739711eafeafe7f45e592d63058c251

    SHA1

    1d0aba47ce2fd5d5164e1a8b3f07d7fe30b4b6c2

    SHA256

    5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc

    SHA512

    6b0e0802d559752f9104d22088432b45fd9980859ffc2b3722e0282f05252173d6abfbd3a58f938fb42ff6ef1c79ae5ee444d01a82ddd70079c3be0546b523ba

    Download Submit

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

    195KB

    MD5

    2739711eafeafe7f45e592d63058c251

    SHA1

    1d0aba47ce2fd5d5164e1a8b3f07d7fe30b4b6c2

    SHA256

    5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc

    SHA512

    6b0e0802d559752f9104d22088432b45fd9980859ffc2b3722e0282f05252173d6abfbd3a58f938fb42ff6ef1c79ae5ee444d01a82ddd70079c3be0546b523ba

    Download Submit

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

    195KB

    MD5

    2739711eafeafe7f45e592d63058c251

    SHA1

    1d0aba47ce2fd5d5164e1a8b3f07d7fe30b4b6c2

    SHA256

    5eb1a83f5405a42a460e679c749e89628aa234b99099b8b63e1526ad36ea10cc

    SHA512

    6b0e0802d559752f9104d22088432b45fd9980859ffc2b3722e0282f05252173d6abfbd3a58f938fb42ff6ef1c79ae5ee444d01a82ddd70079c3be0546b523ba

    Download Submit

  • memory/3192-125-0x0000000000A70000-0x0000000000A86000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3192-139-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3448-122-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3448-124-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3448-126-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4332-123-0x00000000001E0000-0x00000000001E9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/5032-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/5032-140-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download