General
- Target file.exe
- Size 1.2MB
- Sample231209-c4q61aecbk
- SHA256 51d8d1c7a0b2aa618b476ff090fe95509c96241a0a7bbfe04663b24c1e89c6f3
- MD5 1ce6ab95b8ff2ec3eb81d2293a98a15c
- SHA1 05265338cd2bb8170a0411b8c42f45515012da83
- SHA512 7332668b4473509e39a7115ed0ab62d175ac96b7b116266fbbf88ee630e3ff9d8d55f2d4efd761886e66d04967f6704325954c53e1a0e88ec13af9bf6aa360af
- SSDEEP 24576:sIemImBSCuI2bFTWuL87Etqq6vOSpd57vwvN4j6Ii3Vke38:sIhCR/87jd57v243akJ
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231201-en
Malware Config
Extracted
-
stealc
-
http://77.91.76.36
-
url_path
/3886d2276f6914c4.php
Targets
-
- Target file.exe
- Size 1.2MB
- SHA256 51d8d1c7a0b2aa618b476ff090fe95509c96241a0a7bbfe04663b24c1e89c6f3
- MD5 1ce6ab95b8ff2ec3eb81d2293a98a15c
- SHA1 05265338cd2bb8170a0411b8c42f45515012da83
- SHA512 7332668b4473509e39a7115ed0ab62d175ac96b7b116266fbbf88ee630e3ff9d8d55f2d4efd761886e66d04967f6704325954c53e1a0e88ec13af9bf6aa360af
- SSDEEP 24576:sIemImBSCuI2bFTWuL87Etqq6vOSpd57vwvN4j6Ii3Vke38:sIhCR/87jd57v243akJ
- MD5 SHA1 SHA512 SSDEEP
-
Glupteba payload
-
Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
-
Suspicious use of NtCreateUserProcessOtherParentProcess
-
Modifies boot configuration data using bcdedit
-
Blocklisted process makes network request
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Modifies Windows Firewall
-
Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops Chrome extension
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Legitimate hosting services abused for malware hosting/C2
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
5Disable or Modify Tools
4Modify Registry
7Subvert Trust Controls
1Install Root Certificate
1