sheetrat | e1f0daf6350e5eaa03017ee498933542ea18a719dfffe0dff9c2843f313d5ab7

General

Target
4ozhxo5f56c33skg.exe
Size 5.4MB
Sample260905-ppt1ka1ya1
SHA256 e1f0daf6350e5eaa03017ee498933542ea18a719dfffe0dff9c2843f313d5ab7
MD5 6bf035de27e98eafdbf6bd213434e4d7
SHA1 b3864d43077fd67935b9811c6a24023a25629a34
SHA512 e02644c197887a04add5cb9493e9ca918f5b47c6f983e696a6422d8090f917a7fde261959fadace497b6c74ec6284170255cc287a63bc261eddcec0df9e0f48f
SSDEEP 12288:iQyFA0OE3qwqPpTk0Ry+kkjKWGOET55hla9Uz:
TLSH
T1684623536778D29EEB69C7324663EBF8A2F344A21137DF052C0B90742451E998ED839F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Targets

- Target
  4ozhxo5f56c33skg.exe
- Size 5.4MB
- SHA256 e1f0daf6350e5eaa03017ee498933542ea18a719dfffe0dff9c2843f313d5ab7
- MD5 6bf035de27e98eafdbf6bd213434e4d7
- SHA1 b3864d43077fd67935b9811c6a24023a25629a34
- SHA512 e02644c197887a04add5cb9493e9ca918f5b47c6f983e696a6422d8090f917a7fde261959fadace497b6c74ec6284170255cc287a63bc261eddcec0df9e0f48f
- SSDEEP 12288:iQyFA0OE3qwqPpTk0Ry+kkjKWGOET55hla9Uz:
- TLSH
  T1684623536778D29EEB69C7324663EBF8A2F344A21137DF052C0B90742451E998ED839F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

adware bootkit defense_evasion discovery evasion execution exploit sheetrat persistence ransomware spyware trojan
- Detects Sheetrat Payload
  Sheetrat aka NonEuclid RAT is a trojan written in C#.
- Family: Sheetrat, NonEuclid rat
  Sheetrat aka NonEuclid RAT is a trojan written in C#.
  trojan sheetrat
- Modifies WinLogon for persistence
  persistence
- Modifies Windows Defender DisableAntiSpyware settings
  evasion trojan
- Modifies Windows Defender TamperProtection settings
  evasion trojan
- Modifies security service
  defense_evasion
- UAC bypass
  defense_evasion trojan
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Drops file in Drivers directory
- Possible privilege escalation attempt
  exploit
- Sets service image path in registry
  This determines the executable launched when a service starts. It can be used to establish persistence.
  persistence
- 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.
- Executes dropped EXE
- Indicator Removal: Clear Windows Event Logs
  Clear Windows Event Logs to hide the activity of an intrusion.
  defense_evasion
- Loads dropped DLL
- Modifies file permissions
  discovery
- Stops running service(s)
  defense_evasion execution
- Windows security modification
  defense_evasion trojan
- Checks whether UAC is enabled
  defense_evasion trojan
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
  discovery
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral1 behavioral2