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
    21-02-2024 04:49

General

  • Target

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe

  • Size

    234KB

  • MD5

    91279277b9cc7d43752c76dcaea5fce6

  • SHA1

    5411e516c578887602f29e56294e841b854b8b7e

  • SHA256

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08

  • SHA512

    3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696

  • SSDEEP

    3072:ntRDhbbbcLE9Ckqx8c4YgmDkkbmm4okHBqvs0R/b8JPbW:PB/cLE9CtycF1kZtoBb

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe
    "C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4660
  • C:\Users\Admin\AppData\Roaming\juvwihb
    C:\Users\Admin\AppData\Roaming\juvwihb
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    234KB

    MD5

    91279277b9cc7d43752c76dcaea5fce6

    SHA1

    5411e516c578887602f29e56294e841b854b8b7e

    SHA256

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08

    SHA512

    3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696

  • memory/3352-4-0x0000000001330000-0x0000000001346000-memory.dmp

    Filesize

    88KB

  • memory/3352-16-0x0000000003100000-0x0000000003116000-memory.dmp

    Filesize

    88KB

  • memory/4328-14-0x00000000007B0000-0x00000000008B0000-memory.dmp

    Filesize

    1024KB

  • memory/4328-15-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4328-19-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4660-1-0x0000000000630000-0x0000000000730000-memory.dmp

    Filesize

    1024KB

  • memory/4660-2-0x0000000000580000-0x000000000058B000-memory.dmp

    Filesize

    44KB

  • memory/4660-3-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4660-5-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB