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Overview

overview

10

Static

static

1

setup.exe

windows7-x64

10

setup.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2023, 00:38

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General

  • Target

    setup.exe

  • Size

    351KB

  • MD5

    ea007e374c956f9e79f371c972dee903

  • SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

  • SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

  • SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

  • SSDEEP

    3072:OBN5CO1YQcbaseoZyfxAcSYXKh2Nr0ezQra1eICGZx66oUr0ppNA0DAWpfB5cFAP:yNWQ636fZT3Uw6ze0pAXWpESwe4

Score
10/10
smokeloaderpu10backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

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
  • 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\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1948
  • C:\Users\Admin\AppData\Roaming\hdhtdfc
    C:\Users\Admin\AppData\Roaming\hdhtdfc
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Users\Admin\AppData\Roaming\hdhtdfc
      C:\Users\Admin\AppData\Roaming\hdhtdfc
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    351KB

    MD5

    ea007e374c956f9e79f371c972dee903

    SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

    SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

    SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

    Download Submit

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

    351KB

    MD5

    ea007e374c956f9e79f371c972dee903

    SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

    SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

    SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

    Download Submit

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

    351KB

    MD5

    ea007e374c956f9e79f371c972dee903

    SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

    SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

    SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

    Download Submit

  • memory/1600-149-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1600-153-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1948-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1948-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1948-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3112-137-0x0000000000CF0000-0x0000000000D06000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3112-150-0x00000000026D0000-0x00000000026E6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4484-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

    Download