General
- Target brabus.exe
- Size 354KB
- Sample260720-j5z9mabs2k
- SHA256 c6694c1a76fa191ff75af8a391961ef51c023cdb672173836bb579a6db36526e
- MD5 d6677bcf68ce431e572140de44c61b73
- SHA1 f8b3fb666f1955df14c205f81ac81de18de447a2
- SHA512 0be82f17cf0d9362542f8bb8c3f2840011be55d028ceb4de268e211e0c3a84c350776c33e4fd50941a85f62990191c820f5db6a1c4ae28aa8d93ddadd65e070b
- SSDEEP 6144:1PpsHzYDAJa130l4lywxQLaZcK2nBggxNjDVbFWh3UeN:1o6sKaggxxni3UeN
- TLSH T16074920CFE91F805DE1A3EB7CAE618105B7120C22F119256315AAFFD875A37758E26BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
brabus.exe
Resource
win10v2004-20260513-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
brabus.exe
Resource
win11ltsc2024-20260709-en
15 signatures
150 seconds
Malware Config
Extracted
Family
-
sheetrat
Campaign
-
Sheet_mlqxvdlobvxqeu
C2
-
tcp.niceports.shop:20000
Targets
-
- Target brabus.exe
- Size 354KB
- SHA256 c6694c1a76fa191ff75af8a391961ef51c023cdb672173836bb579a6db36526e
- MD5 d6677bcf68ce431e572140de44c61b73
- SHA1 f8b3fb666f1955df14c205f81ac81de18de447a2
- SHA512 0be82f17cf0d9362542f8bb8c3f2840011be55d028ceb4de268e211e0c3a84c350776c33e4fd50941a85f62990191c820f5db6a1c4ae28aa8d93ddadd65e070b
- SSDEEP 6144:1PpsHzYDAJa130l4lywxQLaZcK2nBggxNjDVbFWh3UeN:1o6sKaggxxni3UeN
- TLSH T16074920CFE91F805DE1A3EB7CAE618105B7120C22F119256315AAFFD875A37758E26BC
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Detects Sheetrat obfuscated version
-
Modifies WinLogon for persistence
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1