Resubmissions

21-12-2024 22:57

241221-2xpr2atjar 10

21-12-2024 20:29

241221-y9xfvsyngy 10

Analysis

  • max time kernel
    1s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-12-2024 22:57

General

  • Target

    11bb525d06957723f55934f7697eaf4c6e0437e435d3fea9f1f4a16d71cd041c.exe

  • Size

    222KB

  • MD5

    80c18619e17ff0835fd578aed8422e4b

  • SHA1

    d82dd7c61eede169f542f89b2fce22841345c1a1

  • SHA256

    11bb525d06957723f55934f7697eaf4c6e0437e435d3fea9f1f4a16d71cd041c

  • SHA512

    25b0946140fe0de5eda34f67089a6bb39827fdd421853edaca55cfa5cbcd199430c0c85dda90b0e225793c1a70708eb7ec8175fed6176f174becdf522ed22584

  • SSDEEP

    3072:BSnlmJpEgXKnlL0EAhoTwN6+k5P5Ykc7Dh2N/qyGqPBBu5YGLTuUO/BcCp:BSYULyNczcp2F1HsYG/VO/BcC

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\11bb525d06957723f55934f7697eaf4c6e0437e435d3fea9f1f4a16d71cd041c.exe
    "C:\Users\Admin\AppData\Local\Temp\11bb525d06957723f55934f7697eaf4c6e0437e435d3fea9f1f4a16d71cd041c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:4984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 280
      2⤵
      • Program crash
      PID:392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4984 -ip 4984
    1⤵
      PID:3564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4984-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

      Filesize

      1024KB

    • memory/4984-3-0x0000000000400000-0x0000000000596000-memory.dmp

      Filesize

      1.6MB

    • memory/4984-2-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4984-4-0x0000000000400000-0x0000000000596000-memory.dmp

      Filesize

      1.6MB

    • memory/4984-5-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB