Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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, 08:25

General

  • Target

    7f29efcd1a7a9cccf480d76f4f21c797bfc9924593a95d51ac88253f95173305.exe

  • Size

    351KB

  • MD5

    078c0fbc4b1994d09144646f158f3467

  • SHA1

    b57027461040bc08e1e8d0f580cc1f9511027049

  • SHA256

    7f29efcd1a7a9cccf480d76f4f21c797bfc9924593a95d51ac88253f95173305

  • SHA512

    55fea4f83f0c4f4718a8686ec61b9337272cf7afcd9246da31166dd89a0f729be0a3d798689776d3cad97486bc6d1f4322a5e1663f0b307dc216c37c71f62f67

  • SSDEEP

    3072:OWC7ygb/zm4/QVsN0CDxgUsaQNcXBdZDaIJLbu2rUtIfW7bzqr/5nq/i72Sv6dN:hYxmM6sNBbsaVJsAJmzqdx7Ti

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\7f29efcd1a7a9cccf480d76f4f21c797bfc9924593a95d51ac88253f95173305.exe
    "C:\Users\Admin\AppData\Local\Temp\7f29efcd1a7a9cccf480d76f4f21c797bfc9924593a95d51ac88253f95173305.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3980
  • C:\Users\Admin\AppData\Local\Temp\947.exe
    C:\Users\Admin\AppData\Local\Temp\947.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1192
    • 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:1992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 728
      2⤵
      • Program crash
      PID:4916
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1192 -ip 1192
    1⤵
      PID:4656

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\947.exe

            Filesize

            423KB

            MD5

            120c493eeda8a8931652a907a54ff802

            SHA1

            0b32770a174a9818a22b9814d1216543db333e94

            SHA256

            6b0376a00944cceb5ae6d7810efa856d4ab7679c921d4838111fba01a8a2d589

            SHA512

            e7ca9dd482b0221031155e47a4bec4a2990222fa11284b50b1d6d6db26c1bc60000cb801dcd1036d28a0f3fb15819bf75a0042834901e76e1663435e0fe009e1

          • C:\Users\Admin\AppData\Local\Temp\947.exe

            Filesize

            423KB

            MD5

            120c493eeda8a8931652a907a54ff802

            SHA1

            0b32770a174a9818a22b9814d1216543db333e94

            SHA256

            6b0376a00944cceb5ae6d7810efa856d4ab7679c921d4838111fba01a8a2d589

            SHA512

            e7ca9dd482b0221031155e47a4bec4a2990222fa11284b50b1d6d6db26c1bc60000cb801dcd1036d28a0f3fb15819bf75a0042834901e76e1663435e0fe009e1

          • memory/1192-154-0x0000000002430000-0x000000000244C000-memory.dmp

            Filesize

            112KB

          • memory/1192-156-0x0000000002450000-0x000000000246A000-memory.dmp

            Filesize

            104KB

          • memory/1192-161-0x0000000002430000-0x000000000244C000-memory.dmp

            Filesize

            112KB

          • memory/1192-147-0x0000000000890000-0x00000000008BE000-memory.dmp

            Filesize

            184KB

          • memory/1192-148-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/1192-151-0x0000000002430000-0x000000000244C000-memory.dmp

            Filesize

            112KB

          • memory/1192-152-0x0000000002430000-0x000000000244C000-memory.dmp

            Filesize

            112KB

          • memory/1192-153-0x0000000002450000-0x000000000246A000-memory.dmp

            Filesize

            104KB

          • memory/1192-160-0x0000000000400000-0x000000000080F000-memory.dmp

            Filesize

            4.1MB

          • memory/1992-155-0x000001EEA1210000-0x000001EEA1211000-memory.dmp

            Filesize

            4KB

          • memory/1992-157-0x000001EEA1330000-0x000001EEA1337000-memory.dmp

            Filesize

            28KB

          • memory/1992-158-0x00007FF471160000-0x00007FF47125A000-memory.dmp

            Filesize

            1000KB

          • memory/1992-159-0x00007FF471160000-0x00007FF47125A000-memory.dmp

            Filesize

            1000KB

          • memory/1992-162-0x00007FF471160000-0x00007FF47125A000-memory.dmp

            Filesize

            1000KB

          • memory/1992-163-0x00007FF471160000-0x00007FF47125A000-memory.dmp

            Filesize

            1000KB

          • memory/1992-164-0x00007FF471160000-0x00007FF47125A000-memory.dmp

            Filesize

            1000KB

          • memory/1992-165-0x00007FF471160000-0x00007FF47125A000-memory.dmp

            Filesize

            1000KB

          • memory/3144-135-0x00000000013D0000-0x00000000013E6000-memory.dmp

            Filesize

            88KB

          • memory/3980-136-0x0000000000400000-0x00000000007FD000-memory.dmp

            Filesize

            4.0MB

          • memory/3980-134-0x0000000000940000-0x0000000000949000-memory.dmp

            Filesize

            36KB