Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 18:24

General

  • Target

    72bb2c6a4acff1b558bb1682bf9e94a3.exe

  • Size

    310KB

  • MD5

    72bb2c6a4acff1b558bb1682bf9e94a3

  • SHA1

    aa8c67444dd41d15759290a4437cbba23689e62c

  • SHA256

    328e682510e9c0e0c37a7c8d347ecb4e7791a03b44962675a3f5f23d85250e08

  • SHA512

    594aa1c6644f6d97dc54d841ef347126544de12457bc04c7f73f0fee55230f049372ead47086b2d0b42c3ebdd7a267ce2757acac0842a1bac55a5e61c2b97207

  • SSDEEP

    6144:ECeWgN1+n/9U3XCmwF8Z6+HzQrvGWFgWxY5kRPiXUlB:cWgnE/9UimweHzqrgY+XUlB

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
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 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\72bb2c6a4acff1b558bb1682bf9e94a3.exe
    "C:\Users\Admin\AppData\Local\Temp\72bb2c6a4acff1b558bb1682bf9e94a3.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 372
      2⤵
      • Program crash
      PID:2728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4728 -ip 4728
    1⤵
      PID:4552

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3420-4-0x0000000000960000-0x0000000000976000-memory.dmp

            Filesize

            88KB

          • memory/4728-1-0x0000000000B20000-0x0000000000C20000-memory.dmp

            Filesize

            1024KB

          • memory/4728-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

            Filesize

            36KB

          • memory/4728-3-0x0000000000400000-0x0000000000904000-memory.dmp

            Filesize

            5.0MB

          • memory/4728-7-0x0000000000400000-0x0000000000904000-memory.dmp

            Filesize

            5.0MB