Analysis

  • max time kernel
    300s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

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:2908
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9DD027B0-3EDC-40B4-9851-84CC2ED3781F} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\AppData\Roaming\sawfagw
      C:\Users\Admin\AppData\Roaming\sawfagw
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    234KB

    MD5

    91279277b9cc7d43752c76dcaea5fce6

    SHA1

    5411e516c578887602f29e56294e841b854b8b7e

    SHA256

    18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08

    SHA512

    3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696

  • memory/1156-4-0x0000000002DF0000-0x0000000002E06000-memory.dmp

    Filesize

    88KB

  • memory/1156-16-0x0000000003D60000-0x0000000003D76000-memory.dmp

    Filesize

    88KB

  • memory/2416-14-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/2416-15-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2416-17-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2908-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

    Filesize

    1024KB

  • memory/2908-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2908-3-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2908-5-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB