Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2024 02:44

General

  • Target

    b8432c329b52cfc606472a60d5eee14d.exe

  • Size

    250KB

  • MD5

    b8432c329b52cfc606472a60d5eee14d

  • SHA1

    8ee0b3e4ef44238d4bc629042e8e9bfed0097521

  • SHA256

    1297a29f6a9bd96447d98205a1d8f05af3d64af5e6323a96189e22f41f629ea3

  • SHA512

    dba175a794443dce3df8a6e252fe1fd9915eb4546a500ae4b54e225290f873784fb93da9d33a24c0bea93d87656daee14abcf448cdd05e61af32678347f254a6

  • SSDEEP

    3072:djlF/cwiUjDtCRqta/L1jEfFNS5YhQTamBHj8dZPOwNVXjzoZ8V:BvPRt+LKXS53TavZrNVfs8V

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8432c329b52cfc606472a60d5eee14d.exe
    "C:\Users\Admin\AppData\Local\Temp\b8432c329b52cfc606472a60d5eee14d.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\CC4F.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • memory/1252-7-0x00000000029C0000-0x00000000029D5000-memory.dmp

    Filesize

    84KB

  • memory/2776-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/2776-3-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2776-6-0x0000000000400000-0x0000000001410000-memory.dmp

    Filesize

    16.1MB

  • memory/2776-8-0x0000000000400000-0x0000000001410000-memory.dmp

    Filesize

    16.1MB