Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 04:19

General

  • Target

    716e808961c26085303b90cedec7ae17.exe

  • Size

    147KB

  • MD5

    716e808961c26085303b90cedec7ae17

  • SHA1

    9d4c5dc49c0d24e244090f38a87af186163fcd14

  • SHA256

    4564475353ab3f0d5e9200009b3e8f0ab950dd140720a8ac3ecd054b80b9cf8f

  • SHA512

    57f0ae8d7dba69f0464e92cd206098a55c31e271204fdf6fd812c90fcbadb116df79b2ca26add306208ffbff768871c659e28d81b79f8a26d5220d5a86dc05f1

  • SSDEEP

    3072:HpHSh0hXk6HfgLp+1iReblGYeazgFnLmx:1ShP6H4d+5JeYgFnL

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

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 WriteProcessMemory 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\716e808961c26085303b90cedec7ae17.exe
    "C:\Users\Admin\AppData\Local\Temp\716e808961c26085303b90cedec7ae17.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1364
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B017B149-2C02-4416-BDD6-678B0C25C11F} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\AppData\Roaming\swdchwb
      C:\Users\Admin\AppData\Roaming\swdchwb
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          127KB

          MD5

          39599015feebc899fb91b23eb1944f0f

          SHA1

          996e0a4abc8573c520c5ffe6bd7df9294f5e9d3b

          SHA256

          ac7576849c2a80252a1aee6978cb15e99539c39d7e26c29b60532ed6c6780813

          SHA512

          78c7d1cd9d7c2a7ed5fb1bccf646783631925b35d0ff7a43ec7df9357d8d0a19258e031fb16d9838dcd1d965821150d1f32b872cb91cfa51b5b99958f19a4ade

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

          Filesize

          147KB

          MD5

          716e808961c26085303b90cedec7ae17

          SHA1

          9d4c5dc49c0d24e244090f38a87af186163fcd14

          SHA256

          4564475353ab3f0d5e9200009b3e8f0ab950dd140720a8ac3ecd054b80b9cf8f

          SHA512

          57f0ae8d7dba69f0464e92cd206098a55c31e271204fdf6fd812c90fcbadb116df79b2ca26add306208ffbff768871c659e28d81b79f8a26d5220d5a86dc05f1

        • memory/1364-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

          Filesize

          36KB

        • memory/1364-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

          Filesize

          1024KB

        • memory/1364-3-0x0000000000400000-0x0000000002CB4000-memory.dmp

          Filesize

          40.7MB

        • memory/1364-5-0x0000000000400000-0x0000000002CB4000-memory.dmp

          Filesize

          40.7MB

        • memory/1372-4-0x0000000002A20000-0x0000000002A36000-memory.dmp

          Filesize

          88KB

        • memory/1372-16-0x0000000002A40000-0x0000000002A56000-memory.dmp

          Filesize

          88KB

        • memory/2668-14-0x00000000002D0000-0x00000000003D0000-memory.dmp

          Filesize

          1024KB

        • memory/2668-15-0x0000000000400000-0x0000000002CB4000-memory.dmp

          Filesize

          40.7MB

        • memory/2668-17-0x0000000000400000-0x0000000002CB4000-memory.dmp

          Filesize

          40.7MB