Analysis

  • max time kernel
    300s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 01:08

General

  • Target

    2477fc4209e49a618eb3a505145ef47b837f5f9f281cfb363073ea06d7d9b795.exe

  • Size

    333KB

  • MD5

    d753945bb420ea821e670e5da3bbea6d

  • SHA1

    e8ef914459e572e635ce0b6681490d43d794caa9

  • SHA256

    2477fc4209e49a618eb3a505145ef47b837f5f9f281cfb363073ea06d7d9b795

  • SHA512

    7383a7c38c085edf6188b011e132be025853b118f3aff66b5655bcc215920adf0610fb98beec0d4cada6576fba7b29df4cbd06f5801485613fb6300aa053580f

  • SSDEEP

    3072:7/lmtSqpLLcO4EbF+jQAZXlskGfynH/JGm2tFntVxZBRha5X0Cn8Kk2Fi/DI5Tg0:Nq+mWCkKEQp5tVxZBR15KqbI5T

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2477fc4209e49a618eb3a505145ef47b837f5f9f281cfb363073ea06d7d9b795.exe
    "C:\Users\Admin\AppData\Local\Temp\2477fc4209e49a618eb3a505145ef47b837f5f9f281cfb363073ea06d7d9b795.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2864
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {024F6819-7936-4295-9F0B-6AAD01142036} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Roaming\hjrbssr
      C:\Users\Admin\AppData\Roaming\hjrbssr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\hjrbssr

    Filesize

    333KB

    MD5

    d753945bb420ea821e670e5da3bbea6d

    SHA1

    e8ef914459e572e635ce0b6681490d43d794caa9

    SHA256

    2477fc4209e49a618eb3a505145ef47b837f5f9f281cfb363073ea06d7d9b795

    SHA512

    7383a7c38c085edf6188b011e132be025853b118f3aff66b5655bcc215920adf0610fb98beec0d4cada6576fba7b29df4cbd06f5801485613fb6300aa053580f

  • memory/1196-3-0x0000000003D00000-0x0000000003D16000-memory.dmp

    Filesize

    88KB

  • memory/1196-14-0x0000000002FA0000-0x0000000002FB6000-memory.dmp

    Filesize

    88KB

  • memory/2028-13-0x0000000004190000-0x0000000004290000-memory.dmp

    Filesize

    1024KB

  • memory/2028-15-0x0000000000400000-0x0000000004044000-memory.dmp

    Filesize

    60.3MB

  • memory/2864-1-0x0000000004490000-0x0000000004590000-memory.dmp

    Filesize

    1024KB

  • memory/2864-2-0x00000000003B0000-0x00000000003BB000-memory.dmp

    Filesize

    44KB

  • memory/2864-4-0x0000000000400000-0x0000000004044000-memory.dmp

    Filesize

    60.3MB