Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 01:04

General

  • Target

    ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe

  • Size

    894KB

  • MD5

    9af50ddc8887f5389642c602ab333581

  • SHA1

    20d348837ef05b6ed0eccd3300fce74c8038c599

  • SHA256

    b1f7d2a6fee6eb162c9e154b565ee6fe95c6e03fa15bef35d8c14663b844087c

  • SHA512

    fc903cf2c987c30fac85421416ecdd5f57b773b33c62cc5acdabbd10fd01160dbc02ce86a4064776b0a2cd36e782da44931c4ac3d4ef3f6620af2d516f5f9d50

  • SSDEEP

    24576:bHYmq2tNBlF1qaf1etRc/dZeBrHO3ein9mUO:DYUtNBlP1etRcVZeBrupo/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

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-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 28 IoCs
  • Detects executables built or packed with MPress PE compressor 20 IoCs
  • Detects executables packed with SmartAssembly 2 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 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
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mmznklFQRO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2096
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mmznklFQRO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4875.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe" /stext "C:\Users\Admin\AppData\Local\Temp\aafltdmqxqmgoocfdfdyxjldfpji"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2132
      • C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe" /stext "C:\Users\Admin\AppData\Local\Temp\kvseuwxskyelquyjuqqziogunvtreht"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1704
      • C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe" /stext "C:\Users\Admin\AppData\Local\Temp\nxxx"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    4b513b32a92601423e7b364e8d22fbb0

    SHA1

    7d3da630137d88954a7918f97faa28e246beddfc

    SHA256

    9c0a0ffc9de08b99e85a0165cc78ab4c4ef03ac676ae7e4cfcd6fe08bf20409b

    SHA512

    00d5cb514b5fdef4f697ed7732010c18e64d49fa5fb6c4f8ea9a7b72b4e848764eabfc50382102ae6a074dece43bea89aebd0861ff8d0252bbb35dcfa2b914c1

  • C:\Users\Admin\AppData\Local\Temp\aafltdmqxqmgoocfdfdyxjldfpji

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\tmp4875.tmp

    Filesize

    1KB

    MD5

    44fbe68b95bfed68489bbe0ecd153841

    SHA1

    1bf82fdc95d93ac7443db947be6fb78e19acf847

    SHA256

    1063f583152b978fddd93d1c3f173ce24f7376af6861747e512d797e469db2e2

    SHA512

    2a03f6ffb5a1a841ed1fbc5a3448bb84fb7eb2d457e69c866fbb3b49f1a0a3fd8c187ccff56d33bde41b55a543351b8034609223d63deb8e46921fdcbc851162

  • memory/1704-67-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1704-82-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1704-66-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1704-63-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1704-59-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1724-4-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB

  • memory/1724-1-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-3-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/1724-31-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-0-0x0000000000A10000-0x0000000000AF6000-memory.dmp

    Filesize

    920KB

  • memory/1724-5-0x0000000005F20000-0x0000000005FE0000-memory.dmp

    Filesize

    768KB

  • memory/1724-2-0x0000000004F10000-0x0000000004F50000-memory.dmp

    Filesize

    256KB

  • memory/2096-41-0x0000000000480000-0x00000000004C0000-memory.dmp

    Filesize

    256KB

  • memory/2096-44-0x000000006F160000-0x000000006F70B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-37-0x000000006F160000-0x000000006F70B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-33-0x000000006F160000-0x000000006F70B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-39-0x0000000000480000-0x00000000004C0000-memory.dmp

    Filesize

    256KB

  • memory/2096-35-0x0000000000480000-0x00000000004C0000-memory.dmp

    Filesize

    256KB

  • memory/2132-61-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2132-77-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2132-58-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2132-54-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2132-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-69-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2604-65-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2604-70-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2604-71-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2604-72-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2604-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-80-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-50-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-45-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-43-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-40-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-47-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-81-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-83-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2816-87-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2816-86-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2816-88-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2816-89-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2816-90-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-13-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-95-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2816-98-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-99-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-107-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-108-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-115-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-116-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-124-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2816-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB