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Overview

overview

10

Static

static

3

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/10/2023, 12:37

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General

  • Target

    a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6.exe

  • Size

    284KB

  • MD5

    f8fc1a1c58436919bc933c0ff8371491

  • SHA1

    a8a3248892ea6ac1fa505be1e45c8816ae20c9ee

  • SHA256

    a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6

  • SHA512

    1731602c68991a3567d09981ed2d4fbffec1579fc4d83e09c70cd81a242c911459b57e049647572b85cc44646ddf15241e67a83d8f495c5bbf7a2087d415c017

  • SSDEEP

    3072:56ZT9ZIaPPpwlKn/4LVkjPNOi5VXOnEUsodREZmow:0TZ3PPpwl606T4iPXOnHfd4m

Score
10/10
smokeloaderup3backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

Signatures

  • 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\a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6.exe
    "C:\Users\Admin\AppData\Local\Temp\a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Local\Temp\a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6.exe
      "C:\Users\Admin\AppData\Local\Temp\a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3084
  • C:\Users\Admin\AppData\Roaming\rhbussr
    C:\Users\Admin\AppData\Roaming\rhbussr
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Roaming\rhbussr
      C:\Users\Admin\AppData\Roaming\rhbussr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    284KB

    MD5

    f8fc1a1c58436919bc933c0ff8371491

    SHA1

    a8a3248892ea6ac1fa505be1e45c8816ae20c9ee

    SHA256

    a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6

    SHA512

    1731602c68991a3567d09981ed2d4fbffec1579fc4d83e09c70cd81a242c911459b57e049647572b85cc44646ddf15241e67a83d8f495c5bbf7a2087d415c017

    Download Submit

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

    284KB

    MD5

    f8fc1a1c58436919bc933c0ff8371491

    SHA1

    a8a3248892ea6ac1fa505be1e45c8816ae20c9ee

    SHA256

    a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6

    SHA512

    1731602c68991a3567d09981ed2d4fbffec1579fc4d83e09c70cd81a242c911459b57e049647572b85cc44646ddf15241e67a83d8f495c5bbf7a2087d415c017

    Download Submit

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

    284KB

    MD5

    f8fc1a1c58436919bc933c0ff8371491

    SHA1

    a8a3248892ea6ac1fa505be1e45c8816ae20c9ee

    SHA256

    a8271bde9b3cc677a4bc50a97deef7b9ce06d14b6a66ec6a8ee45e02e85db0a6

    SHA512

    1731602c68991a3567d09981ed2d4fbffec1579fc4d83e09c70cd81a242c911459b57e049647572b85cc44646ddf15241e67a83d8f495c5bbf7a2087d415c017

    Download Submit

  • memory/2824-16-0x0000000002550000-0x0000000002650000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2824-25-0x0000000002550000-0x0000000002650000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/3084-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3084-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3084-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3280-5-0x0000000002020000-0x0000000002036000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3280-20-0x0000000002080000-0x0000000002096000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4756-19-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4756-21-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4852-2-0x00000000023C0000-0x00000000023C9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4852-1-0x0000000002540000-0x0000000002640000-memory.dmp

    Filesize

    1024KB

    Download