Analysis

  • max time kernel
    90s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04-05-2024 16:28

General

  • Target

    dbe27294b6ae247afb35d24b28e068b27060c406271e4642497345a2d33e78de.exe

  • Size

    326KB

  • MD5

    b2ad8544791a609b9391012d795d55f5

  • SHA1

    6908343efa9c9472e422b68ee78b84ba9aedd580

  • SHA256

    dbe27294b6ae247afb35d24b28e068b27060c406271e4642497345a2d33e78de

  • SHA512

    4544c6d830d1a6a67c71f0c8859e5fdde3c18f50f87166a774073371b94440edc79f3ccc44479bf149ebe546434a6623724a3f94671aeee3df0cc8ab07e68ad4

  • SSDEEP

    3072:BBRp/wQVTpdQz5XDDlc400+ZeHpBTcOyyQKxD6nXNcB+AgFhYsLxhLOCmMMK/pjr:T3c5n2400bHZQP91AEh1FROpjKRqBQe

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\dbe27294b6ae247afb35d24b28e068b27060c406271e4642497345a2d33e78de.exe
    "C:\Users\Admin\AppData\Local\Temp\dbe27294b6ae247afb35d24b28e068b27060c406271e4642497345a2d33e78de.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 384
      2⤵
      • Program crash
      PID:4700
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4508 -ip 4508
    1⤵
      PID:104

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4508-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/4508-2-0x0000000001D80000-0x0000000001D8B000-memory.dmp
      Filesize

      44KB

    • memory/4508-1-0x0000000001DD0000-0x0000000001ED0000-memory.dmp
      Filesize

      1024KB

    • memory/4508-4-0x0000000000400000-0x0000000001A1B000-memory.dmp
      Filesize

      22.1MB