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Overview

overview

10

Static

static

1

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06/03/2023, 12:19

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General

  • Target

    66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58.exe

  • Size

    316KB

  • MD5

    65a9ac4ee9aa675a49a14c9c33abcf6c

  • SHA1

    8ae8e8d726aba977dc47f473689d4496908653c2

  • SHA256

    66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58

  • SHA512

    0653d5542d3a57ee6b822dc3c4ce5ba14f058b2b387460d9b6711f8597456c8375e8d525195a65270ad45c0bf7e77af66ab509545ccda4a00104eb9f3655a9e8

  • SSDEEP

    6144:AqTrR7RLHxrQetMg4xhwFuD1FpZd+W61Rwdmq5S//c:AIDxrvM9zw0HZd+Bem8

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\66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58.exe
    "C:\Users\Admin\AppData\Local\Temp\66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Local\Temp\66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58.exe
      "C:\Users\Admin\AppData\Local\Temp\66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3648
  • C:\Users\Admin\AppData\Roaming\hggjdjr
    C:\Users\Admin\AppData\Roaming\hggjdjr
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Roaming\hggjdjr
      C:\Users\Admin\AppData\Roaming\hggjdjr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    316KB

    MD5

    65a9ac4ee9aa675a49a14c9c33abcf6c

    SHA1

    8ae8e8d726aba977dc47f473689d4496908653c2

    SHA256

    66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58

    SHA512

    0653d5542d3a57ee6b822dc3c4ce5ba14f058b2b387460d9b6711f8597456c8375e8d525195a65270ad45c0bf7e77af66ab509545ccda4a00104eb9f3655a9e8

    Download Submit

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

    316KB

    MD5

    65a9ac4ee9aa675a49a14c9c33abcf6c

    SHA1

    8ae8e8d726aba977dc47f473689d4496908653c2

    SHA256

    66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58

    SHA512

    0653d5542d3a57ee6b822dc3c4ce5ba14f058b2b387460d9b6711f8597456c8375e8d525195a65270ad45c0bf7e77af66ab509545ccda4a00104eb9f3655a9e8

    Download Submit

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

    316KB

    MD5

    65a9ac4ee9aa675a49a14c9c33abcf6c

    SHA1

    8ae8e8d726aba977dc47f473689d4496908653c2

    SHA256

    66f948e02b0879b8e7a1f52541a3340c17bbbaa43c700b0b65e8e6f6cdbc1c58

    SHA512

    0653d5542d3a57ee6b822dc3c4ce5ba14f058b2b387460d9b6711f8597456c8375e8d525195a65270ad45c0bf7e77af66ab509545ccda4a00104eb9f3655a9e8

    Download Submit

  • memory/2136-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2136-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3204-123-0x00000000008F0000-0x0000000000906000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3204-137-0x0000000000940000-0x0000000000956000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3648-120-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3648-122-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3648-124-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4324-121-0x0000000002D30000-0x0000000002D39000-memory.dmp

    Filesize

    36KB

    Download