Analysis

  • max time kernel
    300s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 04:48

General

  • Target

    1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe

  • Size

    242KB

  • MD5

    f27255fbf7ddab80b8f9aa0fe62ecbd8

  • SHA1

    afcb58b2823d6094fff4b15ada58aa3f695a6705

  • SHA256

    1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019

  • SHA512

    910aa92a48c390775f97753d5fd93e47416e4ac39b24123bd41d4eeebc96ee2ce83feb0083b8f2b1d4c22e16585000c1e383e16f8336928b4d42bfd29008b234

  • SSDEEP

    3072:vCLPAPZuzMWzr6ZrTyOZv2t9rUdg5+76xbvJOQzCB44:KLGq6ZK6v2tZUZ74JOQA

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\1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe
    "C:\Users\Admin\AppData\Local\Temp\1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:856
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5E104BCB-2F57-412D-91C1-1A8BFFF43792} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Roaming\dgjjeba
      C:\Users\Admin\AppData\Roaming\dgjjeba
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    242KB

    MD5

    f27255fbf7ddab80b8f9aa0fe62ecbd8

    SHA1

    afcb58b2823d6094fff4b15ada58aa3f695a6705

    SHA256

    1b8c7c770e1105b0d96c8e30486955d37358930ed79d4b5434d5dd894da2d019

    SHA512

    910aa92a48c390775f97753d5fd93e47416e4ac39b24123bd41d4eeebc96ee2ce83feb0083b8f2b1d4c22e16585000c1e383e16f8336928b4d42bfd29008b234

  • memory/520-14-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

    Filesize

    1024KB

  • memory/520-15-0x0000000000400000-0x0000000002C1F000-memory.dmp

    Filesize

    40.1MB

  • memory/520-17-0x0000000000400000-0x0000000002C1F000-memory.dmp

    Filesize

    40.1MB

  • memory/856-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

    Filesize

    1024KB

  • memory/856-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/856-3-0x0000000000400000-0x0000000002C1F000-memory.dmp

    Filesize

    40.1MB

  • memory/856-5-0x0000000000400000-0x0000000002C1F000-memory.dmp

    Filesize

    40.1MB

  • memory/1268-4-0x00000000021F0000-0x0000000002206000-memory.dmp

    Filesize

    88KB

  • memory/1268-16-0x0000000003C40000-0x0000000003C56000-memory.dmp

    Filesize

    88KB