Analysis Overview
SHA256
37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be
Threat Level: Known bad
The file 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be was found to be: Known bad.
Malicious Activity Summary
Limerat family
LimeRAT
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-21 00:32
Signatures
Limerat family
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-21 00:32
Reported
2022-05-21 00:46
Platform
win7-20220414-en
Max time kernel
137s
Max time network
153s
Command Line
Signatures
LimeRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe
"C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\VM\RuntimeBroker.exe'"
C:\Users\Admin\VM\RuntimeBroker.exe
"C:\Users\Admin\VM\RuntimeBroker.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.67.143:443 | pastebin.com | tcp |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp |
Files
memory/1992-54-0x0000000000BA0000-0x0000000000BAC000-memory.dmp
memory/328-55-0x0000000000000000-mapping.dmp
memory/1992-56-0x0000000075381000-0x0000000075383000-memory.dmp
\Users\Admin\VM\RuntimeBroker.exe
| MD5 | 07c27d514bfbde4482b8e1b6ea27b456 |
| SHA1 | 535e1b3f81abcfcbae2066f28f3bcbded60e6829 |
| SHA256 | 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be |
| SHA512 | f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2 |
memory/840-59-0x0000000000000000-mapping.dmp
\Users\Admin\VM\RuntimeBroker.exe
| MD5 | 07c27d514bfbde4482b8e1b6ea27b456 |
| SHA1 | 535e1b3f81abcfcbae2066f28f3bcbded60e6829 |
| SHA256 | 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be |
| SHA512 | f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2 |
C:\Users\Admin\VM\RuntimeBroker.exe
| MD5 | 07c27d514bfbde4482b8e1b6ea27b456 |
| SHA1 | 535e1b3f81abcfcbae2066f28f3bcbded60e6829 |
| SHA256 | 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be |
| SHA512 | f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2 |
C:\Users\Admin\VM\RuntimeBroker.exe
| MD5 | 07c27d514bfbde4482b8e1b6ea27b456 |
| SHA1 | 535e1b3f81abcfcbae2066f28f3bcbded60e6829 |
| SHA256 | 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be |
| SHA512 | f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2 |
memory/840-62-0x00000000003A0000-0x00000000003AC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-21 00:32
Reported
2022-05-21 00:46
Platform
win10v2004-20220414-en
Max time kernel
134s
Max time network
156s
Command Line
Signatures
LimeRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\VM\RuntimeBroker.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe
"C:\Users\Admin\AppData\Local\Temp\37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\VM\RuntimeBroker.exe'"
C:\Users\Admin\VM\RuntimeBroker.exe
"C:\Users\Admin\VM\RuntimeBroker.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.68.143:443 | pastebin.com | tcp |
| IT | 185.25.207.147:9987 | tcp | |
| US | 52.182.143.208:443 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp | |
| IT | 185.25.207.147:9987 | tcp |
Files
memory/4912-130-0x0000000000890000-0x000000000089C000-memory.dmp
memory/4912-131-0x00000000050C0000-0x000000000515C000-memory.dmp
memory/4912-132-0x0000000005160000-0x00000000051C6000-memory.dmp
memory/4912-133-0x0000000005EA0000-0x0000000006444000-memory.dmp
memory/1200-134-0x0000000000000000-mapping.dmp
memory/4328-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\VM\RuntimeBroker.exe
| MD5 | 07c27d514bfbde4482b8e1b6ea27b456 |
| SHA1 | 535e1b3f81abcfcbae2066f28f3bcbded60e6829 |
| SHA256 | 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be |
| SHA512 | f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2 |
C:\Users\Admin\VM\RuntimeBroker.exe
| MD5 | 07c27d514bfbde4482b8e1b6ea27b456 |
| SHA1 | 535e1b3f81abcfcbae2066f28f3bcbded60e6829 |
| SHA256 | 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be |
| SHA512 | f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2 |