Analysis Overview
SHA256
160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79
Threat Level: Known bad
The file 160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79 was found to be: Known bad.
Malicious Activity Summary
LimeRAT
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks computer location settings
Checks BIOS information in registry
Maps connected drives based on registry
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-09 05:16
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-09 05:16
Reported
2022-06-09 09:45
Platform
win7-20220414-en
Max time kernel
151s
Max time network
153s
Command Line
Signatures
LimeRAT
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.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:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1112 set thread context of 1672 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\debug\WIA\yNsxbmDzw.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| File opened for modification | C:\Windows\debug\WIA\yNsxbmDzw.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.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 behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.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\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.exe
"C:\Users\Admin\AppData\Local\Temp\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yNsxbmDzw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE84D.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 172.67.34.170:80 | pastebin.com | tcp |
| US | 172.67.34.170:443 | pastebin.com | tcp |
| US | 185.133.193.254:1337 | tcp |
Files
memory/1532-54-0x0000000000890000-0x000000000091A000-memory.dmp
memory/1532-55-0x0000000076241000-0x0000000076243000-memory.dmp
memory/1112-56-0x0000000000000000-mapping.dmp
memory/1112-57-0x0000000000220000-0x000000000022C000-memory.dmp
memory/1112-58-0x00000000020A0000-0x000000000212A000-memory.dmp
memory/1112-60-0x0000000000580000-0x0000000000596000-memory.dmp
memory/760-61-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpE84D.tmp
| MD5 | e4c5f37beaf2ee2abaa82492efbccd41 |
| SHA1 | e78eb09f6b071a2035050b1754ca9e15c6ffd292 |
| SHA256 | 4dc5fa5c393c5f2ed51a625500827cd7e6e91680e171b137e5b283298daa99b3 |
| SHA512 | e2a33feb6df7cd9946c455df5b00a4b18a28cb51e11414b54bf23a990d3e4472442a93b77e9b5a25667be093ea0d134d9fb5246e0c0da7524e60b21d14143a5c |
memory/1672-64-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1672-63-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1672-66-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1672-67-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1672-68-0x0000000000408D9E-mapping.dmp
memory/1672-70-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1672-72-0x0000000000400000-0x000000000040C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-09 05:16
Reported
2022-06-09 09:45
Platform
win10v2004-20220414-en
Max time kernel
146s
Max time network
164s
Command Line
Signatures
LimeRAT
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.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:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1336 set thread context of 3824 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.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\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.exe
"C:\Users\Admin\AppData\Local\Temp\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\160054467ff97cc397fce9eddc6ce8a27d24320d45ccb3a8c8ba2a28ccbc6b79.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yNsxbmDzw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A8F.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 52.182.141.63:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 172.67.34.170:80 | pastebin.com | tcp |
| US | 172.67.34.170:443 | pastebin.com | tcp |
| US | 185.133.193.254:1337 | tcp | |
| US | 185.133.193.254:1337 | tcp |
Files
memory/3036-130-0x00000000007B0000-0x000000000083A000-memory.dmp
memory/3036-131-0x00000000051C0000-0x000000000525C000-memory.dmp
memory/3036-132-0x0000000005810000-0x0000000005DB4000-memory.dmp
memory/3036-133-0x0000000005300000-0x0000000005392000-memory.dmp
memory/3036-134-0x0000000005280000-0x000000000528A000-memory.dmp
memory/3036-135-0x00000000054F0000-0x0000000005546000-memory.dmp
memory/1336-136-0x0000000000000000-mapping.dmp
memory/1336-137-0x00000000004A0000-0x00000000004AC000-memory.dmp
memory/1336-138-0x0000000002680000-0x000000000269A000-memory.dmp
memory/1336-139-0x0000000005480000-0x00000000054E6000-memory.dmp
memory/4652-140-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5A8F.tmp
| MD5 | c7185db680d8226e6e4ea720962dc255 |
| SHA1 | 017ed600051bafdc94c481e5042ee00c8a4f9bd3 |
| SHA256 | 9405b354a8d40a403c2e7044b81210729ea5fd525ba314c1f24b90f0addeec74 |
| SHA512 | 9bd921663d5747b8cefafaaeff9b500a3ae0fdec92ab8121c506ce81885c2057892a053eff4362a7c2a00945c93e6c6353fb9dd99755373392d9a139f0e9a712 |
memory/3824-142-0x0000000000000000-mapping.dmp
memory/3824-143-0x0000000000400000-0x000000000040C000-memory.dmp