Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2023 17:59

General

  • Target

    file.exe

  • Size

    268KB

  • MD5

    816b4a067b4f9f4ac2516ee45ff2184f

  • SHA1

    74037c42f52dee5604be618c6f3e32065d81f3f4

  • SHA256

    796bf8bc705cdc346f8c28dbe67ae39f0a384758dfb32f70ec7670ae7912fbe3

  • SHA512

    017f5508d2fcac91d9fd8274b6159cd8bac7ed5587d0902bd78d55a2c4ddf7ead283488271770de62634fdf9e7f1c7a467eeac12a62d2e7c54d713ff1d2150fc

  • SSDEEP

    3072:n1aM2wRzhWcxOYKPgZfbATGSo57xCLQl4GIMe/g/Zolmm0RG5gDP6cxB:x2GgcQYIgZfyGf574oC/g2F/T

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://dpav.cc/tmp/

http://lrproduct.ru/tmp/

http://kggcp.com/tmp/

http://talesofpirates.net/tmp/

http://pirateking.online/tmp/

http://piratia.pw/tmp/

http://go-piratia.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1200
  • C:\Users\Admin\AppData\Roaming\isbvrut
    C:\Users\Admin\AppData\Roaming\isbvrut
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\isbvrut

    Filesize

    268KB

    MD5

    816b4a067b4f9f4ac2516ee45ff2184f

    SHA1

    74037c42f52dee5604be618c6f3e32065d81f3f4

    SHA256

    796bf8bc705cdc346f8c28dbe67ae39f0a384758dfb32f70ec7670ae7912fbe3

    SHA512

    017f5508d2fcac91d9fd8274b6159cd8bac7ed5587d0902bd78d55a2c4ddf7ead283488271770de62634fdf9e7f1c7a467eeac12a62d2e7c54d713ff1d2150fc

  • C:\Users\Admin\AppData\Roaming\isbvrut

    Filesize

    268KB

    MD5

    816b4a067b4f9f4ac2516ee45ff2184f

    SHA1

    74037c42f52dee5604be618c6f3e32065d81f3f4

    SHA256

    796bf8bc705cdc346f8c28dbe67ae39f0a384758dfb32f70ec7670ae7912fbe3

    SHA512

    017f5508d2fcac91d9fd8274b6159cd8bac7ed5587d0902bd78d55a2c4ddf7ead283488271770de62634fdf9e7f1c7a467eeac12a62d2e7c54d713ff1d2150fc

  • memory/1200-1-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/1200-2-0x0000000000930000-0x000000000093B000-memory.dmp

    Filesize

    44KB

  • memory/1200-3-0x0000000000400000-0x00000000007CD000-memory.dmp

    Filesize

    3.8MB

  • memory/1200-5-0x0000000000400000-0x00000000007CD000-memory.dmp

    Filesize

    3.8MB

  • memory/3256-4-0x0000000003520000-0x0000000003536000-memory.dmp

    Filesize

    88KB

  • memory/3256-16-0x00000000036C0000-0x00000000036D6000-memory.dmp

    Filesize

    88KB

  • memory/4124-14-0x00000000009C0000-0x0000000000AC0000-memory.dmp

    Filesize

    1024KB

  • memory/4124-15-0x0000000000400000-0x00000000007CD000-memory.dmp

    Filesize

    3.8MB

  • memory/4124-17-0x0000000000400000-0x00000000007CD000-memory.dmp

    Filesize

    3.8MB