Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2024 14:12

General

  • Target

    c8d03d195bd3b65995d976cc50eb8d2d.exe

  • Size

    238KB

  • MD5

    c8d03d195bd3b65995d976cc50eb8d2d

  • SHA1

    8eab594ce3c3fb494a2dc5eae8773c7f62eedc4b

  • SHA256

    c2279d99719d19560f7925cb4e2e5e10ae0b91f3f86a17d65bcca68ee616e4af

  • SHA512

    cff4630d2cc6024571226de42e8f21f98ebe455a6de82c19e25851d6388527d0df861bcb7bc66baed2c0cf6f68566d8159b4e209254c3ff99258b8fa13d966cc

  • SSDEEP

    6144:MCUo3Yiwutwq4uU/fHa4AM5Z36GUfab2BC3:8o3pwut05/1A2ZUA2BC3

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8d03d195bd3b65995d976cc50eb8d2d.exe
    "C:\Users\Admin\AppData\Local\Temp\c8d03d195bd3b65995d976cc50eb8d2d.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2388

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

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/1212-7-0x00000000029D0000-0x00000000029E5000-memory.dmp
    Filesize

    84KB

  • memory/2388-3-0x0000000000230000-0x0000000000239000-memory.dmp
    Filesize

    36KB

  • memory/2388-4-0x0000000000400000-0x0000000000456000-memory.dmp
    Filesize

    344KB

  • memory/2388-2-0x0000000000580000-0x0000000000680000-memory.dmp
    Filesize

    1024KB

  • memory/2388-8-0x0000000000400000-0x0000000000456000-memory.dmp
    Filesize

    344KB