Overview

overview

10

Static

static

773d01c308...5c.exe

windows7_x64

10

773d01c308...5c.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-07-2021 19:08

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General

  • Target

    773d01c3082deed6da2d5ebaf1058a5c.exe

  • Size

    272KB

  • MD5

    773d01c3082deed6da2d5ebaf1058a5c

  • SHA1

    95770848c54265e58e406b122b9d5a76b12c742f

  • SHA256

    c8793b903031728f6e63e0e348b844879ed7cdd073ac17031f9ebba826292033

  • SHA512

    c3959dde23d3823df119ff1b49b064b463e82156a45a705a6c23c3efadec04b526ed07e6697e6f158679301fe5cde2286edea7e7ca72aa895098c46e710c0973

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

https://helpersgroup.co.ug/index.php

http://helpersgroup.co.ug/index.php
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\773d01c3082deed6da2d5ebaf1058a5c.exe
    "C:\Users\Admin\AppData\Local\Temp\773d01c3082deed6da2d5ebaf1058a5c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Users\Admin\AppData\Local\Temp\773d01c3082deed6da2d5ebaf1058a5c.exe
      "C:\Users\Admin\AppData\Local\Temp\773d01c3082deed6da2d5ebaf1058a5c.exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\7AC0.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

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  • memory/1256-64-0x0000000002FB0000-0x0000000002FC5000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1996-60-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

    Download

  • memory/1996-61-0x0000000000402ECB-mapping.dmp

    Download

  • memory/1996-62-0x0000000075A71000-0x0000000075A73000-memory.dmp

    Filesize

    8KB

    Download