Analysis

  • max time kernel
    300s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 01:08

General

  • Target

    24783e93de76079bb710155c1afdad4c723c222e4239ba6220b5661bb390a28f.exe

  • Size

    268KB

  • MD5

    2fd44c59d41ac7d1b03e6ac0e835a86b

  • SHA1

    8dabb5d5c6a0a113cea4d5a7c22391683bc1fabb

  • SHA256

    24783e93de76079bb710155c1afdad4c723c222e4239ba6220b5661bb390a28f

  • SHA512

    9ba36786e276d9f221abe487d1170600374ac12d5d50bf4f163a429be3c41b73ecd09417fa5ed3fa5c787093563b334861df30f2fff3ea9493585a9c11588655

  • SSDEEP

    3072:cQ/0D3y/pFJO+m+ZBZloiXtiBh5fhlwYa+u5LdWOV40xbfeD1PbGGdELqPtPeZeZ:M4rJNmcZlttUjwYAJgojehPddEL4tLZ

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

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

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

http://talesofpirates.net/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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24783e93de76079bb710155c1afdad4c723c222e4239ba6220b5661bb390a28f.exe
    "C:\Users\Admin\AppData\Local\Temp\24783e93de76079bb710155c1afdad4c723c222e4239ba6220b5661bb390a28f.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2896
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {38560D92-CD3A-489F-9F13-9A64EC03D6F1} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Users\Admin\AppData\Roaming\urachvg
      C:\Users\Admin\AppData\Roaming\urachvg
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    268KB

    MD5

    2fd44c59d41ac7d1b03e6ac0e835a86b

    SHA1

    8dabb5d5c6a0a113cea4d5a7c22391683bc1fabb

    SHA256

    24783e93de76079bb710155c1afdad4c723c222e4239ba6220b5661bb390a28f

    SHA512

    9ba36786e276d9f221abe487d1170600374ac12d5d50bf4f163a429be3c41b73ecd09417fa5ed3fa5c787093563b334861df30f2fff3ea9493585a9c11588655

  • memory/1380-3-0x0000000002B10000-0x0000000002B26000-memory.dmp

    Filesize

    88KB

  • memory/1380-28-0x0000000002B90000-0x0000000002BA6000-memory.dmp

    Filesize

    88KB

  • memory/1736-27-0x00000000041B0000-0x00000000042B0000-memory.dmp

    Filesize

    1024KB

  • memory/1736-29-0x0000000000400000-0x0000000004035000-memory.dmp

    Filesize

    60.2MB

  • memory/2896-1-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/2896-2-0x00000000003A0000-0x00000000003AB000-memory.dmp

    Filesize

    44KB

  • memory/2896-4-0x0000000000400000-0x0000000004035000-memory.dmp

    Filesize

    60.2MB