Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 23:15

General

  • Target

    3c1a70855d1238bdc95577875a5a6cc064d2e0dd17cb3cc56b9a2cdc9bc7997d.exe

  • Size

    261KB

  • MD5

    867e1e2f1ea034a0ae56e43dd7a3c84c

  • SHA1

    f14330692c74a3e66bda8d7e5e551c2fd2017013

  • SHA256

    3c1a70855d1238bdc95577875a5a6cc064d2e0dd17cb3cc56b9a2cdc9bc7997d

  • SHA512

    ca0f01daee533479e31f0ae6f1a4652228e7b4f76ee4f5eef3e6ab7fd244a3b0bce9d4b7236017f15aaee903a1a011031cabc9e79549d77beb834bc335f1d836

  • SSDEEP

    3072:pE6RYSFpcxrPD1FHJCWSrVosbWIx5X/HNumh:pfYSFpcZ1TCWSRLyIL1umh

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\3c1a70855d1238bdc95577875a5a6cc064d2e0dd17cb3cc56b9a2cdc9bc7997d.exe
    "C:\Users\Admin\AppData\Local\Temp\3c1a70855d1238bdc95577875a5a6cc064d2e0dd17cb3cc56b9a2cdc9bc7997d.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:4160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 352
      2⤵
      • Program crash
      PID:2452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4160 -ip 4160
    1⤵
      PID:932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4160-1-0x0000000002040000-0x0000000002140000-memory.dmp

      Filesize

      1024KB

    • memory/4160-2-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4160-3-0x0000000000400000-0x0000000001F8E000-memory.dmp

      Filesize

      27.6MB