Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 17:11

General

  • Target

    WA3OW_file.exe

  • Size

    896KB

  • MD5

    21d13f2f3c4db8f083b672d81831fa5e

  • SHA1

    b93f931a10a8a4b6f155b6b2ad9c5f9fbb3d71d0

  • SHA256

    17bb66d25ec39d1818cc01e067ea7139eef15dcb24bce24840666eede661a3c3

  • SHA512

    005658047ae5bd43d2c709c640ffd60b17a3e551657502804dbfd288193b340834e74b6a007731f401d4fc62b76cbafde40e5a30b08f9fb00f9506b6438c470d

  • SSDEEP

    12288:ZWBoBYd39letTbwm3Undsb+gfrEJLzDQ2bALSKLmDt8N90il5HyV/e4:ZeR9ItXwdnWbLrEJJrta5Hah

Malware Config

Extracted

Family

remcos

Version

2.0.4 Pro

Botnet

RemoteHost

C2

154.16.63.197:3360

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-XVE2ON

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

pony

C2

http://admino.ml/eme/gate.php

Attributes
  • payload_url

    http://admino.ml/eme/kachistub.exe

Signatures

  • Pony family
  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Downloads MZ/PE file
  • Drops startup file 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WA3OW_file.exe
    "C:\Users\Admin\AppData\Local\Temp\WA3OW_file.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Local\Temp\SGS.exe
      "C:\Users\Admin\AppData\Local\Temp\SGS.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Users\Admin\AppData\Local\Temp\SGS.exe
        C:\Users\Admin\AppData\Local\Temp\SGS.exe
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_win_path
        PID:1708
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\259511266.bat" "C:\Users\Admin\AppData\Local\Temp\SGS.exe" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2712
    • C:\Users\Admin\AppData\Local\Temp\WA3OW_file.exe
      C:\Users\Admin\AppData\Local\Temp\WA3OW_file.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\259511266.bat

    Filesize

    94B

    MD5

    3880eeb1c736d853eb13b44898b718ab

    SHA1

    4eec9d50360cd815211e3c4e6bdd08271b6ec8e6

    SHA256

    936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7

    SHA512

    3eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b

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

    Filesize

    833KB

    MD5

    31b2f8c329a601b145e7e71a6d120a7b

    SHA1

    58487332c00cb299d67f14c288cbdf9aa9099e44

    SHA256

    f06d03375b253842a56748e5e49206147ab986e73b109392a36be672616c6b5d

    SHA512

    92021e862955ccec4ff72770cdd1a89d165f26c500a907dd078c4d665423b56736fa0a81cf5d50ab8da91807a18a762d2c307f3aa503187babb598674de3ac1c

  • C:\Users\Admin\AppData\Roaming\remcos\logs.dat

    Filesize

    112B

    MD5

    25ab457bef660c97bc80fd046d2fadf7

    SHA1

    87227aa137bb3ed8fb52d176ca8fbd5994797c70

    SHA256

    e443375d0484dda0255e280abdb647ba4adc31a4551bce8ef885c5cc7e43f062

    SHA512

    a7ffa74cdc143c0bf9d4da017970cc49177787d42d9007091950a3ffafbb8035f71ed013d2ed988714b980f5d6a97b4152723166c9506c6ca8f5fd8ad1101c2a

  • memory/1708-66-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1708-57-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1708-61-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1708-54-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1708-52-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1708-77-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1708-50-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2464-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2464-16-0x0000000000400000-0x00000000004E7000-memory.dmp

    Filesize

    924KB

  • memory/2464-36-0x0000000000400000-0x00000000004E7000-memory.dmp

    Filesize

    924KB

  • memory/2464-1-0x0000000000400000-0x00000000004E7000-memory.dmp

    Filesize

    924KB

  • memory/2464-2-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2640-65-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/2640-17-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2640-42-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/2692-31-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-44-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-39-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-38-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-21-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-67-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-37-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2692-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB