Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/04/2023, 15:25

General

  • Target

    bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe

  • Size

    351KB

  • MD5

    b3350a62587b816d7d408882f427baa2

  • SHA1

    7a67223262176ed27a0ba583d4cf587404b8834e

  • SHA256

    bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c

  • SHA512

    a0b173757effeb3f545621240d30268dc5616a814bf9e1a917d7fc8769bca995f8132c806f96fdf580532c266e00e16ac69c5d9b156af28b8efc43b911d2fc58

  • SSDEEP

    6144:WbUpCMVT5IqSAddRYX3aF4y6EfBzIZLU8we4:WoD15I9AdLYX3w4yDBMLU8t4

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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 6 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 16 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\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe
    "C:\Users\Admin\AppData\Local\Temp\bc2c568621d5070ae1b3e42ec8a2f91a7433fea2ccf2cd3524b756ae9b9ad48c.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4064
  • C:\Users\Admin\AppData\Local\Temp\BC2C.exe
    C:\Users\Admin\AppData\Local\Temp\BC2C.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2672
    • 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:3964

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\BC2C.exe

          Filesize

          424KB

          MD5

          be0ef2a8aa27379c64c67ada3d5a1773

          SHA1

          ea4b5852c0df0022e33fe82bc350a3e4b8ce94bb

          SHA256

          e0e712f91cb159997cc85b98b14078b1344bc591a56edab6464e54bff9f8324f

          SHA512

          a692e4fbb5f77b3a9235c861478ee199c4c347083b3ee1297279d66bce8873f114c11b3ee91e9b66aa806997d075848a0179d67361727aaa80fc452c3772febd

        • C:\Users\Admin\AppData\Local\Temp\BC2C.exe

          Filesize

          424KB

          MD5

          be0ef2a8aa27379c64c67ada3d5a1773

          SHA1

          ea4b5852c0df0022e33fe82bc350a3e4b8ce94bb

          SHA256

          e0e712f91cb159997cc85b98b14078b1344bc591a56edab6464e54bff9f8324f

          SHA512

          a692e4fbb5f77b3a9235c861478ee199c4c347083b3ee1297279d66bce8873f114c11b3ee91e9b66aa806997d075848a0179d67361727aaa80fc452c3772febd

        • memory/2672-201-0x0000000000860000-0x000000000087C000-memory.dmp

          Filesize

          112KB

        • memory/2672-200-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/2672-194-0x0000000000900000-0x0000000000903000-memory.dmp

          Filesize

          12KB

        • memory/2672-192-0x0000000000860000-0x000000000087C000-memory.dmp

          Filesize

          112KB

        • memory/2672-190-0x0000000000860000-0x000000000087C000-memory.dmp

          Filesize

          112KB

        • memory/2672-191-0x0000000000900000-0x0000000000902000-memory.dmp

          Filesize

          8KB

        • memory/2672-189-0x0000000000860000-0x000000000087C000-memory.dmp

          Filesize

          112KB

        • memory/2672-186-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/2672-185-0x0000000000890000-0x00000000008BE000-memory.dmp

          Filesize

          184KB

        • memory/3176-155-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-134-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-147-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-148-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-149-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-152-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-153-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-154-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-256-0x0000000004CE0000-0x0000000004CED000-memory.dmp

          Filesize

          52KB

        • memory/3176-156-0x00000000010F0000-0x0000000001100000-memory.dmp

          Filesize

          64KB

        • memory/3176-157-0x0000000000F10000-0x0000000000F20000-memory.dmp

          Filesize

          64KB

        • memory/3176-158-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-159-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-160-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-162-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-161-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-163-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-166-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-169-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-170-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-171-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-172-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-173-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-176-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-177-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-178-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-179-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-145-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-142-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-139-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-138-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-137-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-136-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-146-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-131-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-228-0x0000000004CE0000-0x0000000004CED000-memory.dmp

          Filesize

          52KB

        • memory/3176-129-0x0000000000F10000-0x0000000000F20000-memory.dmp

          Filesize

          64KB

        • memory/3176-226-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-225-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-224-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-120-0x0000000000B80000-0x0000000000B96000-memory.dmp

          Filesize

          88KB

        • memory/3176-221-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-220-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-219-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-218-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-205-0x0000000000F10000-0x0000000000F20000-memory.dmp

          Filesize

          64KB

        • memory/3176-206-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-209-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-210-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-211-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-212-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-213-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-214-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3176-217-0x00000000010E0000-0x00000000010F0000-memory.dmp

          Filesize

          64KB

        • memory/3964-204-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/3964-203-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/3964-202-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/3964-199-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/3964-196-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/3964-195-0x000001B932680000-0x000001B932687000-memory.dmp

          Filesize

          28KB

        • memory/3964-193-0x000001B9326D0000-0x000001B9326D1000-memory.dmp

          Filesize

          4KB

        • memory/3964-229-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/3964-230-0x00007FF7009F0000-0x00007FF700AEA000-memory.dmp

          Filesize

          1000KB

        • memory/4064-121-0x0000000000400000-0x00000000007FD000-memory.dmp

          Filesize

          4.0MB

        • memory/4064-119-0x0000000000960000-0x0000000000969000-memory.dmp

          Filesize

          36KB