Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2023, 19:05

General

  • Target

    888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe

  • Size

    351KB

  • MD5

    93fb71115e375a1c19ca65301b99c506

  • SHA1

    1259a740733e883f326fbc7036eeac3a484b1a99

  • SHA256

    888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06

  • SHA512

    148e8a37ef2c9638dfb90529551a041280456f19d1041ada32838ce0598ab897b8f1c7302ac2c4080971123d13b8c39f528077d8ee07cdada8d87e5877d3f3e0

  • SSDEEP

    3072:gBN5CK1YhPw+sIZexZiWmAcSYo2Nr07mza1eZ+P5Vq6shnq7nsOrfB5cF65l+OV9:kNKh4zIIaWAiK0zq6shqDhI4we4

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://aapu.at/tmp/

http://poudineh.com/tmp/

http://firsttrusteedrx.ru/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Extracted

Family

rhadamanthys

C2

http://179.43.142.201/img/favicon.png

Signatures

  • Detect rhadamanthys stealer shellcode 5 IoCs
  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe
    "C:\Users\Admin\AppData\Local\Temp\888f3b4dc1ed18130baac862732ca69c8f5fced65364ae3a8fd8bb17ad075f06.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1916
  • C:\Users\Admin\AppData\Local\Temp\ED72.exe
    C:\Users\Admin\AppData\Local\Temp\ED72.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Windows\system32\dllhost.exe
      "C:\Windows\system32\dllhost.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • outlook_office_path
      • outlook_win_path
      PID:2616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 700
      2⤵
      • Program crash
      PID:460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4088 -ip 4088
    1⤵
      PID:2812

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\ED72.exe

            Filesize

            424KB

            MD5

            7f4ef4c6b2189d39edf1b8913487e7e8

            SHA1

            c0c0b4a1374d3725b52f1a1eb5a124dd7376203d

            SHA256

            33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a

            SHA512

            85009beb355246c534e2523516c0e90ef6cc9f6994901e9cb8ed9ec785bceec565e16e52033ca4e7a9e230b72f48347f51c7eaaf3d5bd9b094b6370e6c944ed3

          • C:\Users\Admin\AppData\Local\Temp\ED72.exe

            Filesize

            424KB

            MD5

            7f4ef4c6b2189d39edf1b8913487e7e8

            SHA1

            c0c0b4a1374d3725b52f1a1eb5a124dd7376203d

            SHA256

            33016858dda6e636c7d3055af1a9249951fe38166435592c44d939578c4f6a3a

            SHA512

            85009beb355246c534e2523516c0e90ef6cc9f6994901e9cb8ed9ec785bceec565e16e52033ca4e7a9e230b72f48347f51c7eaaf3d5bd9b094b6370e6c944ed3

          • memory/1916-134-0x0000000000880000-0x0000000000889000-memory.dmp

            Filesize

            36KB

          • memory/1916-136-0x0000000000400000-0x00000000007FD000-memory.dmp

            Filesize

            4.0MB

          • memory/2616-165-0x00007FF422080000-0x00007FF42217A000-memory.dmp

            Filesize

            1000KB

          • memory/2616-157-0x000001F780E00000-0x000001F780E07000-memory.dmp

            Filesize

            28KB

          • memory/2616-164-0x00007FF422080000-0x00007FF42217A000-memory.dmp

            Filesize

            1000KB

          • memory/2616-163-0x00007FF422080000-0x00007FF42217A000-memory.dmp

            Filesize

            1000KB

          • memory/2616-162-0x00007FF422080000-0x00007FF42217A000-memory.dmp

            Filesize

            1000KB

          • memory/2616-159-0x00007FF422080000-0x00007FF42217A000-memory.dmp

            Filesize

            1000KB

          • memory/2616-155-0x000001F780CE0000-0x000001F780CE1000-memory.dmp

            Filesize

            4KB

          • memory/2616-158-0x00007FF422080000-0x00007FF42217A000-memory.dmp

            Filesize

            1000KB

          • memory/3156-135-0x00000000003A0000-0x00000000003B6000-memory.dmp

            Filesize

            88KB

          • memory/4088-147-0x00000000008B0000-0x00000000008DE000-memory.dmp

            Filesize

            184KB

          • memory/4088-156-0x00000000008E0000-0x00000000008FA000-memory.dmp

            Filesize

            104KB

          • memory/4088-154-0x0000000000880000-0x000000000089C000-memory.dmp

            Filesize

            112KB

          • memory/4088-160-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/4088-161-0x0000000000880000-0x000000000089C000-memory.dmp

            Filesize

            112KB

          • memory/4088-153-0x00000000008E0000-0x00000000008FA000-memory.dmp

            Filesize

            104KB

          • memory/4088-152-0x0000000000880000-0x000000000089C000-memory.dmp

            Filesize

            112KB

          • memory/4088-151-0x0000000000880000-0x000000000089C000-memory.dmp

            Filesize

            112KB

          • memory/4088-148-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB