guloader | e721952c765bb39555f2aa9f2141649fe2c1f2700224513c2860c8a7e25d2260

General

Target

APPENDIXFORM_N45013-20241120.com.exe
Size

681KB
Sample

241121-nqlj5swnak
MD5

cf4530628bdb401e066ea81e86403d77
SHA1

b929d4f89e537b8f932bebc75df0959ef9b406ee
SHA256

e721952c765bb39555f2aa9f2141649fe2c1f2700224513c2860c8a7e25d2260
SHA512

ab29e221be8b0b8318ebcd97d638034bf80368221713e15b3b016a0aa42f2f142c2ce2de68d3eb8a99a6d65e43a6268ea1a4db0f7436f6bcc5ff0e222c691d4a
SSDEEP

12288:+3vFfP1t7YQ6RTw6F+i4nGxcigHvPyagJQMzoocD/f9Lw:A1r7YQ9lcc9Hv0QMzoZpw

Score

10^/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.133.158.36:11371

45.133.158.36:10051

45.133.158.36:10050

45.133.158.36:24554

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-CDCZ2K
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
  
  APPENDIXFORM_N45013-20241120.com.exe
- Size
  
  681KB
- MD5
  
  cf4530628bdb401e066ea81e86403d77
- SHA1
  
  b929d4f89e537b8f932bebc75df0959ef9b406ee
- SHA256
  
  e721952c765bb39555f2aa9f2141649fe2c1f2700224513c2860c8a7e25d2260
- SHA512
  
  ab29e221be8b0b8318ebcd97d638034bf80368221713e15b3b016a0aa42f2f142c2ce2de68d3eb8a99a6d65e43a6268ea1a4db0f7436f6bcc5ff0e222c691d4a
- SSDEEP
  
  12288:+3vFfP1t7YQ6RTw6F+i4nGxcigHvPyagJQMzoocD/f9Lw:A1r7YQ9lcc9Hv0QMzoZpw
Score

10^/10

guloader remcos remotehost collection discovery downloader rat spyware stealer
- Guloader family
  guloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- 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
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses Microsoft Outlook accounts
  collection
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  
  $PLUGINSDIR/System.dll
- Size
  
  11KB
- MD5
  
  960a5c48e25cf2bca332e74e11d825c9
- SHA1
  
  da35c6816ace5daf4c6c1d57b93b09a82ecdc876
- SHA256
  
  484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
- SHA512
  
  cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da
- SSDEEP
  
  192:jVL7iZJX76BiqsO7+UZEw+RlthVEoC0O3XB:g7ssOpZs/hS3X
Score

3^/10

discovery
behavioral3 behavioral4