Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 14:02

General

  • Target

    b84d4b4eb437ed921c0ab75eb16bf7605364f7054ca77ec6e9307d36d397faf6.exe

  • Size

    261KB

  • MD5

    d97e8e455e8056e00732d769c73d5aba

  • SHA1

    4bbab1b77f03e47cbe0099e0078080885d28161f

  • SHA256

    b84d4b4eb437ed921c0ab75eb16bf7605364f7054ca77ec6e9307d36d397faf6

  • SHA512

    f9a4f4609e17d9297751288eedc89d7f607525e29050872f4a6f61f762fc6fd342818facd790655ddb5314bd60bc547d6e1135895bce394b864e23a32b23c65b

  • SSDEEP

    3072:a6eGBHVWMLs1joNz5+0Rw8LLov/bPIceVzSYkNPdSgUUBg/V22LTM/h3:MGB1HLEj0RweLo+IFUUCVHT

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\b84d4b4eb437ed921c0ab75eb16bf7605364f7054ca77ec6e9307d36d397faf6.exe
    "C:\Users\Admin\AppData\Local\Temp\b84d4b4eb437ed921c0ab75eb16bf7605364f7054ca77ec6e9307d36d397faf6.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:4296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 352
      2⤵
      • Program crash
      PID:1500
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4296 -ip 4296
    1⤵
      PID:4840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4296-1-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

      Filesize

      1024KB

    • memory/4296-2-0x0000000002C80000-0x0000000002C89000-memory.dmp

      Filesize

      36KB

    • memory/4296-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4296-6-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4296-5-0x0000000002C80000-0x0000000002C89000-memory.dmp

      Filesize

      36KB

    • memory/4296-4-0x0000000000400000-0x0000000002C2F000-memory.dmp

      Filesize

      40.2MB