Analysis

  • max time kernel
    91s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-05-2024 19:53

General

  • Target

    f95c4a9c2b9106af8039629e43ca93d9079dceb7960f49dc77b8ae7a0e3e3c25.exe

  • Size

    259KB

  • MD5

    d8a73e39f2b56637fa317cdadd6aa35e

  • SHA1

    1fd8d602b58a6c74c0fec737d8a8818bfe21e77e

  • SHA256

    f95c4a9c2b9106af8039629e43ca93d9079dceb7960f49dc77b8ae7a0e3e3c25

  • SHA512

    32706d17566af1e75bcedbd441b38ccb7500a44d288baee820a1547e929467371ce88a130f21713fda3ff199c86ed36ba251b9b2f8e17b675dc9715b98656987

  • SSDEEP

    1536:f6InnEHyf6c3fFp/bUk+GgIysb4PvjRBtmVuh9Dfjc5hVM4Zq7YQM0363B5WmwxE:fPpFpgIyl1jmArku7s5WmwSqg1fd

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • 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\f95c4a9c2b9106af8039629e43ca93d9079dceb7960f49dc77b8ae7a0e3e3c25.exe
    "C:\Users\Admin\AppData\Local\Temp\f95c4a9c2b9106af8039629e43ca93d9079dceb7960f49dc77b8ae7a0e3e3c25.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:2540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 384
      2⤵
      • Program crash
      PID:3432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2540 -ip 2540
    1⤵
      PID:2904

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2540-2-0x0000000002C90000-0x0000000002C9B000-memory.dmp

      Filesize

      44KB

    • memory/2540-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2540-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

      Filesize

      1024KB

    • memory/2540-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2540-4-0x0000000000400000-0x0000000002AFF000-memory.dmp

      Filesize

      39.0MB