Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 00:56

General

  • Target

    3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe

  • Size

    257KB

  • MD5

    4f61b6227de795688ea6558bfd7d839c

  • SHA1

    8aa11c6ba3cd963dd79abc8b66c0153c6af687a2

  • SHA256

    3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79

  • SHA512

    e3311e2102b25bbcdb97355ca58edbcdd5eef28c995aeccd463d4a442b3b88fbc12f34082ac976dd640a071e992d99d7bbfbde7445a1709359711402f0d2cfe7

  • SSDEEP

    3072:6zrk5YkPv5ZTxWFSX0aTpQ45uUZlFu/e:6z+5Z9TRpkgjUe

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\3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe
    "C:\Users\Admin\AppData\Local\Temp\3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:3448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 352
      2⤵
      • Program crash
      PID:1740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3448 -ip 3448
    1⤵
      PID:4980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3448-3-0x0000000000400000-0x000000000040B000-memory.dmp
      Filesize

      44KB

    • memory/3448-1-0x0000000001FE0000-0x00000000020E0000-memory.dmp
      Filesize

      1024KB

    • memory/3448-2-0x00000000022B0000-0x00000000022BB000-memory.dmp
      Filesize

      44KB

    • memory/3448-4-0x0000000000400000-0x0000000001F8C000-memory.dmp
      Filesize

      27.5MB