Analysis

  • max time kernel
    151s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2023, 17:40

General

  • Target

    aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe

  • Size

    352KB

  • MD5

    bb9c6e0ae46910d7096e6a2be0d78813

  • SHA1

    11f07cf48ee5204e774e9f2584115c9346465c52

  • SHA256

    aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917

  • SHA512

    e67166e50c08dfca71c21fd949c8b8d9acf19ae6ab2d83e3f0f545dfe2733b963774d0c717038fa7d2cb74bebc9521a5b5d354a1e8ce13b4a2ca52c2c24e8ca4

  • SSDEEP

    3072:5B15CxKEYGRxWB6WZuYLeceWy4T6S4qHwa1eUk4cdzL8TibmEl0ZLitTBsWEB5c5:z1dbGfC8YT+82UrKti6tTBsWblwe4

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\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe
    "C:\Users\Admin\AppData\Local\Temp\aac897188aaea0bd002be4ad4fee1886a9cb1ffb00339b05d414bfaff8158917.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4240
  • C:\Users\Admin\AppData\Local\Temp\22DA.exe
    C:\Users\Admin\AppData\Local\Temp\22DA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4164
    • 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:2676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 712
      2⤵
      • Program crash
      PID:3348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4164 -ip 4164
    1⤵
      PID:4660

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\22DA.exe

            Filesize

            424KB

            MD5

            b2bd45f7dfd30e5ad4f03e9abf9776e6

            SHA1

            af719465630b66bd6d748ec318a6c933f6f2f729

            SHA256

            7a4746c78d13d3bca5ff9f5f06a4d5c939744b85d23886efc80ddf2bb11943da

            SHA512

            bc33bb48fcd772d7bc2e8912e8561291e0f9b19419c42f265dd2dec205bc3fdaa910c553543124caa770c2a7b04f050bd4ebd775f067d0963da91dad30512f50

          • C:\Users\Admin\AppData\Local\Temp\22DA.exe

            Filesize

            424KB

            MD5

            b2bd45f7dfd30e5ad4f03e9abf9776e6

            SHA1

            af719465630b66bd6d748ec318a6c933f6f2f729

            SHA256

            7a4746c78d13d3bca5ff9f5f06a4d5c939744b85d23886efc80ddf2bb11943da

            SHA512

            bc33bb48fcd772d7bc2e8912e8561291e0f9b19419c42f265dd2dec205bc3fdaa910c553543124caa770c2a7b04f050bd4ebd775f067d0963da91dad30512f50

          • memory/2676-155-0x000001B9B1D60000-0x000001B9B1D61000-memory.dmp

            Filesize

            4KB

          • memory/2676-165-0x00007FF463670000-0x00007FF46376A000-memory.dmp

            Filesize

            1000KB

          • memory/2676-164-0x00007FF463670000-0x00007FF46376A000-memory.dmp

            Filesize

            1000KB

          • memory/2676-163-0x00007FF463670000-0x00007FF46376A000-memory.dmp

            Filesize

            1000KB

          • memory/2676-160-0x00007FF463670000-0x00007FF46376A000-memory.dmp

            Filesize

            1000KB

          • memory/2676-159-0x00007FF463670000-0x00007FF46376A000-memory.dmp

            Filesize

            1000KB

          • memory/2676-157-0x000001B9B1E80000-0x000001B9B1E87000-memory.dmp

            Filesize

            28KB

          • memory/2676-158-0x00007FF463670000-0x00007FF46376A000-memory.dmp

            Filesize

            1000KB

          • memory/3192-135-0x0000000000440000-0x0000000000456000-memory.dmp

            Filesize

            88KB

          • memory/4164-147-0x0000000000880000-0x00000000008AE000-memory.dmp

            Filesize

            184KB

          • memory/4164-156-0x00000000008B0000-0x00000000008B3000-memory.dmp

            Filesize

            12KB

          • memory/4164-154-0x0000000002440000-0x000000000245C000-memory.dmp

            Filesize

            112KB

          • memory/4164-153-0x00000000008B0000-0x00000000008B2000-memory.dmp

            Filesize

            8KB

          • memory/4164-152-0x0000000002440000-0x000000000245C000-memory.dmp

            Filesize

            112KB

          • memory/4164-151-0x0000000002440000-0x000000000245C000-memory.dmp

            Filesize

            112KB

          • memory/4164-161-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/4164-162-0x0000000002440000-0x000000000245C000-memory.dmp

            Filesize

            112KB

          • memory/4164-148-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/4240-134-0x00000000009B0000-0x00000000009B9000-memory.dmp

            Filesize

            36KB

          • memory/4240-136-0x0000000000400000-0x00000000007FD000-memory.dmp

            Filesize

            4.0MB