Analysis

  • max time kernel
    153s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-02-2024 18:21

General

  • Target

    614d3711b9a519243c954edf8810118793e3ade58ab32ec52478e94021710c0f.exe

  • Size

    231KB

  • MD5

    4d98ac6bd46f0fbe35210e167e68f7f9

  • SHA1

    3c4781b5178fde4e00043ec8dc3d60e16a3bfcba

  • SHA256

    614d3711b9a519243c954edf8810118793e3ade58ab32ec52478e94021710c0f

  • SHA512

    1e7fd390611631abd88a13652d0105f00dea67c42ec21f16e7e2974a65c0321736db6297c2c0beb3efa2597816bc8a02725c30aac56a9ad73761c95805c50512

  • SSDEEP

    3072:NLRZ9KSn3HXhFJAC1b/33A0FteFoUIqvo/uXL2J53fF:Ko3uC1zQ0Fte+PluXL2

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\614d3711b9a519243c954edf8810118793e3ade58ab32ec52478e94021710c0f.exe
    "C:\Users\Admin\AppData\Local\Temp\614d3711b9a519243c954edf8810118793e3ade58ab32ec52478e94021710c0f.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2432
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {79A3EBFB-FFFE-4A39-B5C9-026EFA071BAE} S-1-5-21-3308111660-3636268597-2291490419-1000:JUBFGPHD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:476
    • C:\Users\Admin\AppData\Roaming\ugrjcgf
      C:\Users\Admin\AppData\Roaming\ugrjcgf
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    231KB

    MD5

    4d98ac6bd46f0fbe35210e167e68f7f9

    SHA1

    3c4781b5178fde4e00043ec8dc3d60e16a3bfcba

    SHA256

    614d3711b9a519243c954edf8810118793e3ade58ab32ec52478e94021710c0f

    SHA512

    1e7fd390611631abd88a13652d0105f00dea67c42ec21f16e7e2974a65c0321736db6297c2c0beb3efa2597816bc8a02725c30aac56a9ad73761c95805c50512

  • memory/636-14-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/636-15-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/636-17-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1220-4-0x0000000002970000-0x0000000002986000-memory.dmp

    Filesize

    88KB

  • memory/1220-16-0x0000000002BF0000-0x0000000002C06000-memory.dmp

    Filesize

    88KB

  • memory/2432-1-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/2432-2-0x00000000003A0000-0x00000000003AB000-memory.dmp

    Filesize

    44KB

  • memory/2432-3-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2432-5-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB