Analysis

  • max time kernel
    151s
  • max time network
    145s
  • 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, 08:35

General

  • Target

    828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe

  • Size

    350KB

  • MD5

    29899f4bdb072e6b043814e4c2e682bd

  • SHA1

    8324ca39037e58eee12513d20477a00bdb2714c1

  • SHA256

    828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49

  • SHA512

    55b4b849d7ce42692840ca638f842601b9b23d2bab15f1395414176e4ae0083002d73aad2c291271ff29c64eb094360fdeee62debf7d13ac5976750275b0a6a8

  • SSDEEP

    3072:Dd94UtR6y/CXve1w9z90gNAm2UGgcVZYQOIMrTuYYOUq3pgslTXHJj/xWGmfvIsy:DT4qCfe1EV2uUmuuf3pgsllJD5/taTi

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\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe
    "C:\Users\Admin\AppData\Local\Temp\828bdd40bebbb1ff9d1524b539a9f592619b4be68e65e6c70a0579f364fb9a49.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2652
  • C:\Users\Admin\AppData\Local\Temp\4C2C.exe
    C:\Users\Admin\AppData\Local\Temp\4C2C.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1528
    • 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:4772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 696
      2⤵
      • Program crash
      PID:3568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1528 -ip 1528
    1⤵
      PID:4836

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\4C2C.exe

            Filesize

            424KB

            MD5

            c7013845630a13cd1161a9bce5482f67

            SHA1

            8f65a5509972092bb3087ac120c2cc741a41ea0b

            SHA256

            076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3

            SHA512

            b4b6513c970a32b8459b0576ed81cf0f59c833ec9f311fd79a59a787ad9d514562f41916014e9a42f6e2a24ef6b458ab268727b5c906191c98bf758b7196dde5

          • C:\Users\Admin\AppData\Local\Temp\4C2C.exe

            Filesize

            424KB

            MD5

            c7013845630a13cd1161a9bce5482f67

            SHA1

            8f65a5509972092bb3087ac120c2cc741a41ea0b

            SHA256

            076a0fb7ebf20a100ef850835a9cfe79d33e6dc797b78d267f92982ec75807f3

            SHA512

            b4b6513c970a32b8459b0576ed81cf0f59c833ec9f311fd79a59a787ad9d514562f41916014e9a42f6e2a24ef6b458ab268727b5c906191c98bf758b7196dde5

          • memory/768-135-0x0000000000C70000-0x0000000000C86000-memory.dmp

            Filesize

            88KB

          • memory/1528-154-0x0000000002480000-0x000000000249C000-memory.dmp

            Filesize

            112KB

          • memory/1528-156-0x0000000000840000-0x0000000000843000-memory.dmp

            Filesize

            12KB

          • memory/1528-147-0x00000000009B0000-0x00000000009DE000-memory.dmp

            Filesize

            184KB

          • memory/1528-148-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/1528-151-0x0000000002480000-0x000000000249C000-memory.dmp

            Filesize

            112KB

          • memory/1528-152-0x0000000002480000-0x000000000249C000-memory.dmp

            Filesize

            112KB

          • memory/1528-153-0x0000000000840000-0x0000000000842000-memory.dmp

            Filesize

            8KB

          • memory/1528-161-0x0000000002480000-0x000000000249C000-memory.dmp

            Filesize

            112KB

          • memory/1528-160-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/2652-136-0x0000000000400000-0x00000000007FD000-memory.dmp

            Filesize

            4.0MB

          • memory/2652-134-0x00000000008C0000-0x00000000008C9000-memory.dmp

            Filesize

            36KB

          • memory/4772-158-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp

            Filesize

            1000KB

          • memory/4772-157-0x00000201ED0C0000-0x00000201ED0C7000-memory.dmp

            Filesize

            28KB

          • memory/4772-159-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp

            Filesize

            1000KB

          • memory/4772-155-0x00000201ECDB0000-0x00000201ECDB1000-memory.dmp

            Filesize

            4KB

          • memory/4772-162-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp

            Filesize

            1000KB

          • memory/4772-163-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp

            Filesize

            1000KB

          • memory/4772-164-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp

            Filesize

            1000KB

          • memory/4772-165-0x00007FF45CF10000-0x00007FF45D00A000-memory.dmp

            Filesize

            1000KB