Analysis

  • max time kernel
    300s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2024 22:17

General

  • Target

    0d62d720f6d3ac879fee67b04c8076e1311144d0e4fab96d5b7efacd85496e99.exe

  • Size

    202KB

  • MD5

    4ae2b1dc7bfdf0ddb61a679767bf504b

  • SHA1

    71447d0fe0db3ceace91dec5ca066dc46918f2a4

  • SHA256

    0d62d720f6d3ac879fee67b04c8076e1311144d0e4fab96d5b7efacd85496e99

  • SHA512

    bc20aabcd1681dbd142ca3199865a2feede35dcd5c5734ecbb575758488131856da70e4066e7426dd56f6b71b1712cc01a732b6f7b786afe6ce62d7c416546e8

  • SSDEEP

    3072:iWKxaOMqLfy1wHTJrI8C795OMxhG6WPdZ1Wm8XFV05Xj4D9:rK/LK2HFrhIAPdZ4muEM

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gxutc2c.com/tmp/index.php

http://proekt8.ru/tmp/index.php

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

http://pirateking.online/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
  • 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\0d62d720f6d3ac879fee67b04c8076e1311144d0e4fab96d5b7efacd85496e99.exe
    "C:\Users\Admin\AppData\Local\Temp\0d62d720f6d3ac879fee67b04c8076e1311144d0e4fab96d5b7efacd85496e99.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2168
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6656EA1C-24F8-4E47-8352-B39027B7D4F5} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Roaming\crsdudu
      C:\Users\Admin\AppData\Roaming\crsdudu
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    202KB

    MD5

    4ae2b1dc7bfdf0ddb61a679767bf504b

    SHA1

    71447d0fe0db3ceace91dec5ca066dc46918f2a4

    SHA256

    0d62d720f6d3ac879fee67b04c8076e1311144d0e4fab96d5b7efacd85496e99

    SHA512

    bc20aabcd1681dbd142ca3199865a2feede35dcd5c5734ecbb575758488131856da70e4066e7426dd56f6b71b1712cc01a732b6f7b786afe6ce62d7c416546e8

  • memory/1268-4-0x0000000002B00000-0x0000000002B16000-memory.dmp

    Filesize

    88KB

  • memory/1268-17-0x0000000002CA0000-0x0000000002CB6000-memory.dmp

    Filesize

    88KB

  • memory/1752-14-0x00000000009E0000-0x0000000000AE0000-memory.dmp

    Filesize

    1024KB

  • memory/1752-15-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB

  • memory/1752-18-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB

  • memory/2168-1-0x0000000000950000-0x0000000000A50000-memory.dmp

    Filesize

    1024KB

  • memory/2168-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2168-3-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB

  • memory/2168-5-0x0000000000400000-0x0000000000854000-memory.dmp

    Filesize

    4.3MB