Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2023, 00:05

General

  • Target

    c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe

  • Size

    346KB

  • MD5

    99d09bbf9eb3ea2864f7b540090ca89d

  • SHA1

    d4901a3e1ef53bf27fa7e75d43421c3c9235976d

  • SHA256

    c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0

  • SHA512

    34231eca74f3c6b18ce8334065adef3689f92f73fbfe6984e672c82a9c0e15253daf6dd07fb452148669decbd85023bf426abb876586c8cb5b53517bf89123ca

  • SSDEEP

    6144:Wo55tMv/wGVD4zOPSkOQIMhRpDkpvAnoYlc7Wjr5bbe4:WoPtopVD4zOKkHUvAnc7mlq4

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 4 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\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe
    "C:\Users\Admin\AppData\Local\Temp\c65c78ca35a3edf7fc8d4150bb77c788651bad8c5a54888bd8d366f8ec8bdac0.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4832
  • C:\Users\Admin\AppData\Local\Temp\8879.exe
    C:\Users\Admin\AppData\Local\Temp\8879.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3692
    • 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:1912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 732
      2⤵
      • Program crash
      PID:1828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3692 -ip 3692
    1⤵
      PID:4512

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\8879.exe

            Filesize

            419KB

            MD5

            9be26f22ab7153a54d77a4df6dad9090

            SHA1

            e28b37438f2e13af5ce2122348864a217086129f

            SHA256

            4b10b47611967e2d3024eb451df1ca05451fa3e15d1970d6ee3fc09a64e0bc99

            SHA512

            6d5fd51806e8569cc464d4ccf9bef77563b2fa411e75b9d6b4afddb07d35b415cd5605b45fa0e2166a2f838218e25dda65ef4032b207866d59195edbd8a387a0

          • C:\Users\Admin\AppData\Local\Temp\8879.exe

            Filesize

            419KB

            MD5

            9be26f22ab7153a54d77a4df6dad9090

            SHA1

            e28b37438f2e13af5ce2122348864a217086129f

            SHA256

            4b10b47611967e2d3024eb451df1ca05451fa3e15d1970d6ee3fc09a64e0bc99

            SHA512

            6d5fd51806e8569cc464d4ccf9bef77563b2fa411e75b9d6b4afddb07d35b415cd5605b45fa0e2166a2f838218e25dda65ef4032b207866d59195edbd8a387a0

          • memory/1912-157-0x00000204014B0000-0x00000204014B7000-memory.dmp

            Filesize

            28KB

          • memory/1912-166-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-165-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-164-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-163-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-162-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-159-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-158-0x00007FF40F750000-0x00007FF40F84A000-memory.dmp

            Filesize

            1000KB

          • memory/1912-155-0x0000020401390000-0x0000020401391000-memory.dmp

            Filesize

            4KB

          • memory/3152-135-0x0000000001120000-0x0000000001136000-memory.dmp

            Filesize

            88KB

          • memory/3692-147-0x0000000002400000-0x000000000242E000-memory.dmp

            Filesize

            184KB

          • memory/3692-156-0x0000000002430000-0x0000000002433000-memory.dmp

            Filesize

            12KB

          • memory/3692-154-0x0000000002450000-0x000000000246C000-memory.dmp

            Filesize

            112KB

          • memory/3692-153-0x0000000002430000-0x0000000002432000-memory.dmp

            Filesize

            8KB

          • memory/3692-160-0x0000000000400000-0x000000000080E000-memory.dmp

            Filesize

            4.1MB

          • memory/3692-161-0x0000000002450000-0x000000000246C000-memory.dmp

            Filesize

            112KB

          • memory/3692-152-0x0000000002450000-0x000000000246C000-memory.dmp

            Filesize

            112KB

          • memory/3692-151-0x0000000002450000-0x000000000246C000-memory.dmp

            Filesize

            112KB

          • memory/3692-148-0x0000000000400000-0x000000000080E000-memory.dmp

            Filesize

            4.1MB

          • memory/4832-134-0x0000000000A90000-0x0000000000A99000-memory.dmp

            Filesize

            36KB

          • memory/4832-136-0x0000000000400000-0x00000000007FC000-memory.dmp

            Filesize

            4.0MB