Analysis

  • max time kernel
    137s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 11:43

General

  • Target

    92a3b7891e06ee2fc6fd8775aea0e861.exe

  • Size

    200KB

  • MD5

    92a3b7891e06ee2fc6fd8775aea0e861

  • SHA1

    6fc50c4729345ae708c5927d832409804d6d47da

  • SHA256

    1c74be698ed0fe2b6381e8c970411fc0721a9a48e74c466719abf8e803b18685

  • SHA512

    591c4b8fda3323e75f0550f76fea5fc38d11bc0c1884f2959026c074a53a5ca1ab1b839b7a2832e0b9a2af77f33290623fb86fb6e5b3e4ccf664831150ca7875

  • SSDEEP

    3072:gaLl4gr97EoSzrXSRRFulYx/1115OjXTh:gaLl4gr97EoyrXSRFuth

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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\92a3b7891e06ee2fc6fd8775aea0e861.exe
    "C:\Users\Admin\AppData\Local\Temp\92a3b7891e06ee2fc6fd8775aea0e861.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:2904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 352
      2⤵
      • Program crash
      PID:4092
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2904 -ip 2904
    1⤵
      PID:2220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2904-2-0x00000000005A0000-0x00000000005AB000-memory.dmp

      Filesize

      44KB

    • memory/2904-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2904-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

      Filesize

      1024KB

    • memory/2904-4-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2904-6-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2904-5-0x00000000005A0000-0x00000000005AB000-memory.dmp

      Filesize

      44KB