General
- Target SheetRat.zip
- Size 50.7MB
- Sample260713-jacvvaft6t
- SHA256 99a60fcac0dece3680705280cfaa44ddb264071ea8e86dabc71d28e6d34b91af
- MD5 3a0038986a087debd946f704388d8055
- SHA1 155c35498433654b4e0471b9cfc2a5aa2b98774a
- SHA512 35832c7f4522efcdfce8426f837fd7aed677cef5d82024a30ccf464ce9049f37d9a545ee7ec1960f3961659e73ea77e16e42e4d902924bc1214a7ca008f0c272
- SSDEEP 1572864:+uQK9WUvNqLjhJ+Npkew4L8ru5zUNsnJF1mh3bl:XvNqD+NpBwSRdQsz1mNl
- TLSH T1B0C733AFD4540A4DF1A96434AC3899669D7BCBC10246CF7BB21F55C660386CB98738FC
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
SheetRat.zip
Resource
win11-20260513-en
21 signatures
150 seconds
Malware Config
Extracted
Family
-
sheetrat
Version
-
1.8
C2
-
194.87.54.114:6000
-
0.0.0.0:6000
Extracted
Family
-
xworm
Version
-
XWorm V5.6
C2
-
nurlan1-45766.portmap.host:45766
Attributes
-
Install_directory
%AppData%
-
install_file
XClient.exe
Targets
-
- Target SheetRat.zip
- Size 50.7MB
- SHA256 99a60fcac0dece3680705280cfaa44ddb264071ea8e86dabc71d28e6d34b91af
- MD5 3a0038986a087debd946f704388d8055
- SHA1 155c35498433654b4e0471b9cfc2a5aa2b98774a
- SHA512 35832c7f4522efcdfce8426f837fd7aed677cef5d82024a30ccf464ce9049f37d9a545ee7ec1960f3961659e73ea77e16e42e4d902924bc1214a7ca008f0c272
- SSDEEP 1572864:+uQK9WUvNqLjhJ+Npkew4L8ru5zUNsnJF1mh3bl:XvNqD+NpBwSRdQsz1mNl
- TLSH T1B0C733AFD4540A4DF1A96434AC3899669D7BCBC10246CF7BB21F55C660386CB98738FC
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detect Xworm Payload
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Modifies WinLogon for persistence
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Executes dropped EXE
-
Loads dropped DLL
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1