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Analysis

  • max time kernel
    300s
  • max time network
    297s
  • platform
    windows10-1703_x64
  • resource
    win10-20240214-en
  • resource tags

    arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/02/2024, 04:48

General

  • Target

    2247fbe7501c8dd4621c03b2d80df6e66933136aaa06afe0dda086ba3a6f1ce5.exe

  • Size

    218KB

  • MD5

    8e9c86c06b0e994e3b99716e2a5ffc76

  • SHA1

    3d3e45bd3383761f23bbab220c316fae5871bae6

  • SHA256

    2247fbe7501c8dd4621c03b2d80df6e66933136aaa06afe0dda086ba3a6f1ce5

  • SHA512

    be768b80d8cf560907a183dce32435cd5363b193ffd03fafa31a264370a6edfd506ea71cbb0772b4ca2720c08a4e8c7d35c4c1d40d959f89b3135a0b7a2919d7

  • SSDEEP

    3072:ubztenC6XwwUZ0usUt+7s3jHA9JldQi++1xw8Ye6L3o+7BaGLvSx5x0z5:DfXk0CYnl9xw8G3o0Bat0z

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

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

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: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\2247fbe7501c8dd4621c03b2d80df6e66933136aaa06afe0dda086ba3a6f1ce5.exe
    "C:\Users\Admin\AppData\Local\Temp\2247fbe7501c8dd4621c03b2d80df6e66933136aaa06afe0dda086ba3a6f1ce5.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2300
  • C:\Users\Admin\AppData\Roaming\bvgtvjd
    C:\Users\Admin\AppData\Roaming\bvgtvjd
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    218KB

    MD5

    8e9c86c06b0e994e3b99716e2a5ffc76

    SHA1

    3d3e45bd3383761f23bbab220c316fae5871bae6

    SHA256

    2247fbe7501c8dd4621c03b2d80df6e66933136aaa06afe0dda086ba3a6f1ce5

    SHA512

    be768b80d8cf560907a183dce32435cd5363b193ffd03fafa31a264370a6edfd506ea71cbb0772b4ca2720c08a4e8c7d35c4c1d40d959f89b3135a0b7a2919d7

  • memory/2300-3-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2300-2-0x00000000004B0000-0x00000000004BB000-memory.dmp

    Filesize

    44KB

  • memory/2300-1-0x0000000000660000-0x0000000000760000-memory.dmp

    Filesize

    1024KB

  • memory/2300-5-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3316-4-0x00000000008E0000-0x00000000008F6000-memory.dmp

    Filesize

    88KB

  • memory/3316-16-0x0000000002390000-0x00000000023A6000-memory.dmp

    Filesize

    88KB

  • memory/4240-14-0x0000000000690000-0x0000000000790000-memory.dmp

    Filesize

    1024KB

  • memory/4240-15-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/4240-19-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB