Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2024, 08:29

General

  • Target
    PAYMENT_ADVICE_MT_103.exe
  • Size 781KB
  • Sample240212-kdzz8aaf66
  • SHA256 6ebe4d76f2a687dcab1c67ad244d67115c04bc3b68f623533968eeb70703dce7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • 172.96.14.30:6871

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-KNH112

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Detect ZGRat V1 34 IoCs
  • Remcos

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

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe
      C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe
        C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe /stext "C:\Users\Admin\AppData\Local\Temp\mdlghkfglkqyypdeviqqh"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:384
      • C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe
        C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe /stext "C:\Users\Admin\AppData\Local\Temp\oxyzhvqihsicjwrietdrsaap"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1504
      • C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe
        C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE_MT_103.exe /stext "C:\Users\Admin\AppData\Local\Temp\zzdrinabuaaplcnmndptvfnxoicl"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4392

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        mdlghkfglkqyypdeviqqh

        • Path C:\Users\Admin\AppData\Local\Temp\mdlghkfglkqyypdeviqqh
        • Size 4KB
        • SHA256 ce5000909571aef49b782e23e9723bc68c9d8a9dc1e7b56374885da71851bb64
        • MD5 SHA1 SHA512 SSDEEP

        memory/212-43-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-11-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-2-0x0000000004F20000-0x0000000004F30000-memory.dmp

        memory/212-3-0x0000000005970000-0x0000000005A56000-memory.dmp

        memory/212-4-0x0000000006070000-0x0000000006688000-memory.dmp

        memory/212-5-0x0000000005BC0000-0x0000000005CCA000-memory.dmp

        memory/212-6-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-7-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-9-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-49-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-13-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-15-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-17-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-19-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-21-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-23-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-25-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-27-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-29-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-31-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-33-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-35-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-37-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-39-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-41-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-0-0x0000000000450000-0x000000000051A000-memory.dmp

        memory/212-1-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/212-47-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-45-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-51-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-53-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-55-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-57-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-59-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-61-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-63-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-65-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-67-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-69-0x0000000005970000-0x0000000005A4F000-memory.dmp

        memory/212-1120-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

        memory/212-1121-0x0000000005D40000-0x0000000005DAE000-memory.dmp

        memory/212-1122-0x0000000005B60000-0x0000000005BAC000-memory.dmp

        memory/212-1123-0x0000000006DC0000-0x0000000007364000-memory.dmp

        memory/212-1129-0x0000000074740000-0x0000000074EF0000-memory.dmp

        memory/384-1152-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/384-1164-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/1244-1130-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/1244-1168-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/1244-1170-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/1244-1171-0x0000000000400000-0x0000000000482000-memory.dmp

        memory/1504-1158-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/1504-1153-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/4392-1149-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/4392-1154-0x0000000000400000-0x0000000000424000-memory.dmp