Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-03-2024 19:33

General

  • Target

    b97de7d3282e5b4314158915044f732a.exe

  • Size

    304KB

  • MD5

    b97de7d3282e5b4314158915044f732a

  • SHA1

    ecb3d3994732923648292810c5e889f034a0373f

  • SHA256

    25fea531298546c74a2f4c9237c6e6c2bdc3b77ce8dac944e834462b3a1cbddf

  • SHA512

    e93cc96157d2b02bf8f0bf6f904a5f52999a0fb17a73a5974f7d4a043fc8b1de47964daab1965692a7033da06fb4ab16fd9fe5f9277a9b9bb4b83b297ab782fc

  • SSDEEP

    6144:ij7evN7NdAPd7KmFCwp/Hwi8s93tlzfaC7EFmkkP:yev9NdAPImFpwid3fl7EYkkP

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 FindShellTrayWindow 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\b97de7d3282e5b4314158915044f732a.exe
    "C:\Users\Admin\AppData\Local\Temp\b97de7d3282e5b4314158915044f732a.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 368
      2⤵
      • Program crash
      PID:3640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 552 -ip 552
    1⤵
      PID:6112

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/552-1-0x0000000000B80000-0x0000000000C80000-memory.dmp

      Filesize

      1024KB

    • memory/552-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

      Filesize

      36KB

    • memory/552-3-0x0000000000400000-0x0000000000903000-memory.dmp

      Filesize

      5.0MB

    • memory/552-7-0x0000000000400000-0x0000000000903000-memory.dmp

      Filesize

      5.0MB

    • memory/3608-4-0x0000000002990000-0x00000000029A6000-memory.dmp

      Filesize

      88KB