Resubmissions

13/02/2024, 00:43

240213-a2wycsgh5710

12/02/2024, 04:50

240212-fgplfadc7310

Analysis

  • max time kernel
    300s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/02/2024, 04:50

General

  • Target
    2867629034ad3756930e22f7c88160253e84db1925821f1b214848feee03db10.exe
  • Size 225KB
  • Sample240212-fgplfadc73
  • SHA256 2867629034ad3756930e22f7c88160253e84db1925821f1b214848feee03db10
  • MD5 SHA1 SHA512 SSDEEP

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

Extracted

Family
  • amadey

Version
  • 4.14

C2
  • http://anfesq.com

  • http://cbinr.com

  • http://rimakc.ru

Attributes
  • install_dir

    68fd3d7ade

  • install_file

    Utsysc.exe

  • strings_key

    27ec7fd6f50f63b8af0c1d3deefcc8fe

  • url_paths

    /forum/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 7 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 3 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\2867629034ad3756930e22f7c88160253e84db1925821f1b214848feee03db10.exe
    "C:\Users\Admin\AppData\Local\Temp\2867629034ad3756930e22f7c88160253e84db1925821f1b214848feee03db10.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1764
  • C:\Users\Admin\AppData\Local\Temp\644.exe
    C:\Users\Admin\AppData\Local\Temp\644.exe
    1⤵
    • Executes dropped EXE
    PID:5020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 564
      2⤵
      • Program crash
      PID:1472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 640
      2⤵
      • Program crash
      PID:2524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 768
      2⤵
      • Program crash
      PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 780
      2⤵
      • Program crash
      PID:1152
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 820
      2⤵
      • Program crash
      PID:4680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 796
      2⤵
      • Program crash
      PID:4208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 988
      2⤵
      • Program crash
      PID:4668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        644.exe

        • Path C:\Users\Admin\AppData\Local\Temp\644.exe
        • Size 377KB
        • SHA256 1f74e68c96679afd2c66ff31d919cd805df330d89f6ae02a0d1249f788f7e270
        • MD5 SHA1 SHA512 SSDEEP

        memory/1764-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

        memory/1764-2-0x0000000000590000-0x000000000059B000-memory.dmp

        memory/1764-3-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/1764-5-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/3376-4-0x0000000001E70000-0x0000000001E86000-memory.dmp

        memory/5020-16-0x00000000004A0000-0x00000000005A0000-memory.dmp

        memory/5020-17-0x0000000002070000-0x00000000020DF000-memory.dmp

        memory/5020-18-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/5020-21-0x0000000002070000-0x00000000020DF000-memory.dmp

        memory/5020-23-0x00000000004A0000-0x00000000005A0000-memory.dmp