remcos

General

Target

thinkingbestthingswhichcomingetniretimegivenmegood.hta
Size

600KB
Sample

241126-j548ksyqdn
MD5

c24178318fab715f3b613fc11396ed80
SHA1

d6711bb536adde5cb961f7d1559fc287f4aa3d76
SHA256

70576f474296d70ab1182339945255eeed65d7f5e8b71b153a56b9e2c0478ec5
SHA512

f397726076afe79c0f2e00afd8ddd7bc90e47cdffd04a033552e9246039cf781bf08c1a1bfb49c056d853106f82d6d00826f7b4cf9752bba032def61bb0e7d71
SSDEEP

192:4dE6COljVxi5Dq4bm4i5Dq4gmXPi5Dq4oi5Dq4Umji5Dq4Jzt4kQ:b6COljV/zO7

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c

exe.dropper

https://3105.filemail.com/api/file/get?filekey=shTPHbCPX8o-lOtCqHLG6_0xCy-xl4tnxlAVbQ95-dviTK5cARaNdQjbb3mexfwQzKmTXg&skipreg=true&pk_vid=e0109638c9bfb9571732531309b5ff7c

Extracted

Family

remcos

Botnet

RemoteHost

C2

balalalala.duckdns.org:6946

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-316C3Y
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Targets

- Target
  
  thinkingbestthingswhichcomingetniretimegivenmegood.hta
- Size
  
  600KB
- MD5
  
  c24178318fab715f3b613fc11396ed80
- SHA1
  
  d6711bb536adde5cb961f7d1559fc287f4aa3d76
- SHA256
  
  70576f474296d70ab1182339945255eeed65d7f5e8b71b153a56b9e2c0478ec5
- SHA512
  
  f397726076afe79c0f2e00afd8ddd7bc90e47cdffd04a033552e9246039cf781bf08c1a1bfb49c056d853106f82d6d00826f7b4cf9752bba032def61bb0e7d71
- SSDEEP
  
  192:4dE6COljVxi5Dq4bm4i5Dq4gmXPi5Dq4oi5Dq4Umji5Dq4Jzt4kQ:b6COljV/zO7
Score

10^/10

defense_evasion discovery execution remcos remotehost collection rat
- Remcos
  Remcos is a closed-source remote control and surveillance software.
  rat remcos
- Remcos family
  remcos
- Detected Nirsoft tools
  Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView
  Password recovery tool for various email clients
- NirSoft WebBrowserPassView
  Password recovery tool for various web browsers
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
  Run Powershell and hide display window.
  execution
- Evasion via Device Credential Deployment
  defense_evasion execution
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook accounts
  collection
- Suspicious use of SetThreadContext
behavioral1 behavioral2