guloader | e6563416012431a5d2520d86517a92e9dc6e3fecd18c05ec146b3ed48015898b

General

Target

PayrollListorSalaryList.exe
Size

683KB
Sample

250417-hgx9patlv7
MD5

269f0def6ce6a10c50f7e84d66a66245
SHA1

b6dea434a16c4450c0f15a3c2db2a8589a11dda2
SHA256

e6563416012431a5d2520d86517a92e9dc6e3fecd18c05ec146b3ed48015898b
SHA512

78adce4e78a3a9b9a641c762311c91730246d168fd76c4a8c8b46c60252bb06ff74415ea8eef186b1b4da4da82dcbfbef09fb5692f3cc36ac2e4d9fb4ba2c14e
SSDEEP

12288:OY/CpiGzdzUfNifQHBfxcYBJnCHYRU7sESS4L0TLmeVDr4+D7/UKz2Pl:OY/oisaNiYhf3HSsET2Nqf9/ml

Score

10^/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

196.251.116.218:2007

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
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-85JH5C
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
  
  PayrollListorSalaryList.exe
- Size
  
  683KB
- MD5
  
  269f0def6ce6a10c50f7e84d66a66245
- SHA1
  
  b6dea434a16c4450c0f15a3c2db2a8589a11dda2
- SHA256
  
  e6563416012431a5d2520d86517a92e9dc6e3fecd18c05ec146b3ed48015898b
- SHA512
  
  78adce4e78a3a9b9a641c762311c91730246d168fd76c4a8c8b46c60252bb06ff74415ea8eef186b1b4da4da82dcbfbef09fb5692f3cc36ac2e4d9fb4ba2c14e
- SSDEEP
  
  12288:OY/CpiGzdzUfNifQHBfxcYBJnCHYRU7sESS4L0TLmeVDr4+D7/UKz2Pl:OY/oisaNiYhf3HSsET2Nqf9/ml
Score

10^/10

guloader remcos remotehost discovery downloader persistence rat
- 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2
- Target
  
  $PLUGINSDIR/System.dll
- Size
  
  12KB
- MD5
  
  cff85c549d536f651d4fb8387f1976f2
- SHA1
  
  d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
- SHA256
  
  8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
- SHA512
  
  531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
- SSDEEP
  
  192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Score

3^/10

discovery
behavioral3 behavioral4