Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 21:40

General

  • Target

    87f8b19fad893802d91a2e618a1ca102419c3e22b00720991350c5a6eb36f4f1.exe

  • Size

    346KB

  • MD5

    5ecbcb91a39bf3e2d14061a0bb7946ed

  • SHA1

    72c51f254867e8bde3a0984a4eb9057eaa05ff0e

  • SHA256

    87f8b19fad893802d91a2e618a1ca102419c3e22b00720991350c5a6eb36f4f1

  • SHA512

    f08165fb7661e5f6ea7c47b2a60519bf4da49eedf50bd50e3b086942a5ce836a3c4d3183b843178e8d9e08857335e3f18170b985635ab31cad980ae99f093a3d

  • SSDEEP

    6144:h2QQeA5/jPEFOSdEIKSkbFYSExtHOKJpH40FS7vbe4:h27e27EF3dEI7kp8Ompevq4

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\87f8b19fad893802d91a2e618a1ca102419c3e22b00720991350c5a6eb36f4f1.exe
    "C:\Users\Admin\AppData\Local\Temp\87f8b19fad893802d91a2e618a1ca102419c3e22b00720991350c5a6eb36f4f1.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4900
  • C:\Users\Admin\AppData\Local\Temp\FEC7.exe
    C:\Users\Admin\AppData\Local\Temp\FEC7.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3120
    • 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:4956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 696
      2⤵
      • Program crash
      PID:4732
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3120 -ip 3120
    1⤵
      PID:2496

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\FEC7.exe

            Filesize

            418KB

            MD5

            3af1d419a6b4359fa3f884eed0153954

            SHA1

            3216468a6e656e860047c5a9b608b09a59c667bf

            SHA256

            70850c5d011ddde433b2e5887d4844a4ec3159125809c1da4f92c9ca2a4261f6

            SHA512

            8766dbca8739668f7502f9cc3c8701765fa8c63c95f7d5ef6d1d70b45cd3eb2a47d60031657b2dc7976f712f481ed3f3dbd175458a995c3ff75ef0a1f7ba1fc0

          • C:\Users\Admin\AppData\Local\Temp\FEC7.exe

            Filesize

            418KB

            MD5

            3af1d419a6b4359fa3f884eed0153954

            SHA1

            3216468a6e656e860047c5a9b608b09a59c667bf

            SHA256

            70850c5d011ddde433b2e5887d4844a4ec3159125809c1da4f92c9ca2a4261f6

            SHA512

            8766dbca8739668f7502f9cc3c8701765fa8c63c95f7d5ef6d1d70b45cd3eb2a47d60031657b2dc7976f712f481ed3f3dbd175458a995c3ff75ef0a1f7ba1fc0

          • memory/3120-153-0x0000000000980000-0x000000000099C000-memory.dmp

            Filesize

            112KB

          • memory/3120-154-0x0000000000980000-0x000000000099C000-memory.dmp

            Filesize

            112KB

          • memory/3120-161-0x0000000000980000-0x000000000099C000-memory.dmp

            Filesize

            112KB

          • memory/3120-147-0x0000000000950000-0x000000000097E000-memory.dmp

            Filesize

            184KB

          • memory/3120-148-0x0000000000400000-0x000000000080E000-memory.dmp

            Filesize

            4.1MB

          • memory/3120-150-0x0000000000400000-0x000000000080E000-memory.dmp

            Filesize

            4.1MB

          • memory/3120-151-0x0000000000980000-0x000000000099C000-memory.dmp

            Filesize

            112KB

          • memory/3120-152-0x00000000009C0000-0x00000000009DA000-memory.dmp

            Filesize

            104KB

          • memory/3120-156-0x00000000009F0000-0x00000000009F2000-memory.dmp

            Filesize

            8KB

          • memory/3284-135-0x0000000000D10000-0x0000000000D26000-memory.dmp

            Filesize

            88KB

          • memory/4900-136-0x0000000000400000-0x00000000007FC000-memory.dmp

            Filesize

            4.0MB

          • memory/4900-134-0x0000000002530000-0x0000000002539000-memory.dmp

            Filesize

            36KB

          • memory/4956-155-0x000001F370850000-0x000001F370851000-memory.dmp

            Filesize

            4KB

          • memory/4956-157-0x000001F370B60000-0x000001F370B67000-memory.dmp

            Filesize

            28KB

          • memory/4956-158-0x00007FF49DC50000-0x00007FF49DD4A000-memory.dmp

            Filesize

            1000KB

          • memory/4956-159-0x00007FF49DC50000-0x00007FF49DD4A000-memory.dmp

            Filesize

            1000KB

          • memory/4956-162-0x00007FF49DC50000-0x00007FF49DD4A000-memory.dmp

            Filesize

            1000KB

          • memory/4956-163-0x00007FF49DC50000-0x00007FF49DD4A000-memory.dmp

            Filesize

            1000KB

          • memory/4956-164-0x00007FF49DC50000-0x00007FF49DD4A000-memory.dmp

            Filesize

            1000KB

          • memory/4956-165-0x00007FF49DC50000-0x00007FF49DD4A000-memory.dmp

            Filesize

            1000KB