Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 23:36

General

  • Target

    75cde21e312b2027780644fff8bd18f0.exe

  • Size

    164KB

  • MD5

    75cde21e312b2027780644fff8bd18f0

  • SHA1

    fe17a4a5728041af5bd9c0cb6dc634ea443ebc8d

  • SHA256

    e36ea88c9197fd42bd890b24de532afca1debe4d7a9867afcc83b04f09db6860

  • SHA512

    235d571d73a5171bad022afd2f5af3d65c03d6f7db873703a34f3373a21e7f6f3719e7f94ea804242a892fdeaddfd4a78279b4c9c198a4fee7adf3e2b6f8ef5f

  • SSDEEP

    3072:mbCmsbFfEXfrFELTMYgUENwRdixdtpVsPH:cqRC2LjKwrixYf

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://x-100new.com/upload/

http://goo0g2.xyz/upload/

http://j-20.best/upload/

http://japan-semui.xyz/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\75cde21e312b2027780644fff8bd18f0.exe
    "C:\Users\Admin\AppData\Local\Temp\75cde21e312b2027780644fff8bd18f0.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2656

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/1192-7-0x0000000002AD0000-0x0000000002AE6000-memory.dmp

          Filesize

          88KB

        • memory/2656-6-0x0000000000400000-0x0000000000C48000-memory.dmp

          Filesize

          8.3MB

        • memory/2656-2-0x0000000000020000-0x000000000002A000-memory.dmp

          Filesize

          40KB

        • memory/2656-1-0x0000000000DF0000-0x0000000000EF0000-memory.dmp

          Filesize

          1024KB

        • memory/2656-8-0x0000000000400000-0x0000000000C48000-memory.dmp

          Filesize

          8.3MB