Resubmissions

14-05-2023 14:35

230514-rx6enscb73 10

13-05-2023 22:45

230513-2pebbsbh6x 10

Analysis

  • max time kernel
    150s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    13-05-2023 22:45

General

  • Target

    6523.exe

  • Size

    232KB

  • MD5

    d937bf5e62381717877134f8c3961421

  • SHA1

    74405d9a2bf6163c69084566962eb170c3d348c9

  • SHA256

    7eed06168ef0ddb3a6d968549840a906b25d633598cf37418dabba077c778273

  • SHA512

    c2d4ba2b3f97ec6e2eb9dd47c0026b24c13ff9a5b5fed9effed887245db3e85dfe145ea473432c23b2e8dcc3981007e8faf910d31066c1c4f9607f0275afcf7c

  • SSDEEP

    3072:1eqGEm9TivH0szvdrmZ6SUOtcT18/1MzL8Ww/dC4+CVb43W6AV2v4Oh6RB:sVfTuH0IvdrmZxU9a6ZCx3B

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6523.exe
    "C:\Users\Admin\AppData\Local\Temp\6523.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1244-56-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

    Filesize

    88KB

  • memory/2024-55-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2024-57-0x0000000000400000-0x00000000006BB000-memory.dmp

    Filesize

    2.7MB