Analysis Overview
SHA256
2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111
Threat Level: Known bad
The file 2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111 was found to be: Known bad.
Malicious Activity Summary
LimeRAT
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-21 23:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-21 23:22
Reported
2022-06-21 23:25
Platform
win7-20220414-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
LimeRAT
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\svch = "C:\\Users\\Admin\\svch.exe" | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1224 set thread context of 952 | N/A | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe
"C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 632
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.68.143:443 | pastebin.com | tcp |
Files
memory/1224-54-0x0000000000B60000-0x0000000000BC8000-memory.dmp
memory/1224-55-0x0000000076531000-0x0000000076533000-memory.dmp
memory/1224-56-0x0000000000A60000-0x0000000000B4E000-memory.dmp
memory/1224-57-0x0000000000460000-0x0000000000468000-memory.dmp
memory/1224-58-0x00000000005D0000-0x0000000000602000-memory.dmp
memory/1224-59-0x0000000000470000-0x0000000000496000-memory.dmp
memory/952-60-0x0000000000400000-0x000000000040C000-memory.dmp
memory/952-61-0x0000000000400000-0x000000000040C000-memory.dmp
memory/952-63-0x0000000000400000-0x000000000040C000-memory.dmp
memory/952-64-0x0000000000400000-0x000000000040C000-memory.dmp
memory/952-65-0x0000000000408C1E-mapping.dmp
memory/952-67-0x0000000000400000-0x000000000040C000-memory.dmp
memory/952-69-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1584-71-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-21 23:22
Reported
2022-06-21 23:26
Platform
win10v2004-20220414-en
Max time kernel
154s
Max time network
175s
Command Line
Signatures
LimeRAT
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svch = "C:\\Users\\Admin\\svch.exe" | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2944 set thread context of 1356 | N/A | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe
"C:\Users\Admin\AppData\Local\Temp\2f31154a459e48c110a42c2cd1e13580d72569e93a1291c48160a8cdb6e44111.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2944 -ip 2944
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 1088
Network
| Country | Destination | Domain | Proto |
| NL | 104.97.14.81:80 | tcp | |
| IE | 20.54.110.249:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 52.168.117.170:443 | tcp | |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.67.143:443 | pastebin.com | tcp |
| US | 204.79.197.203:80 | tcp |
Files
memory/2944-131-0x0000000000EC0000-0x0000000000F28000-memory.dmp
memory/2944-132-0x0000000005A30000-0x0000000005ACC000-memory.dmp
memory/1356-134-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1356-133-0x0000000000000000-mapping.dmp
memory/1356-135-0x0000000005130000-0x0000000005196000-memory.dmp
memory/1356-136-0x0000000005D70000-0x0000000006314000-memory.dmp
memory/1356-137-0x00000000063C0000-0x0000000006452000-memory.dmp