Analysis Overview
SHA256
ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0
Threat Level: Known bad
The file ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0 was found to be: Known bad.
Malicious Activity Summary
LimeRAT
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Suspicious use of SetThreadContext
Enumerates physical storage devices
Modifies system certificate store
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-20 22:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-20 22:50
Reported
2022-05-20 22:58
Platform
win7-20220414-en
Max time kernel
152s
Max time network
176s
Command Line
Signatures
LimeRAT
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.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\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1516 set thread context of 1204 | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe
"C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KuDIkpeai" /XML "C:\Users\Admin\AppData\Local\Temp\tmp276F.tmp"
C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe
"C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1028
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.67.143:443 | pastebin.com | tcp |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp |
Files
memory/1516-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
memory/1516-55-0x0000000074330000-0x00000000748DB000-memory.dmp
memory/1656-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp276F.tmp
| MD5 | 9e689074c506a3f06ae10fcf135d0d33 |
| SHA1 | 26ed44676fe53a6b7523df6ebe9e2fc9d57b8eab |
| SHA256 | ee03c0ce8e1525ccf3d23cbf4dc0a6e440df509b47aa7609a54e2162fab44041 |
| SHA512 | 224d1633f9e408ef16842487ac10c4d7617bfd5addf6724ecfde90ee45f9b6ba70cb805dc2f2f2a1c7d29fbe5aec4de5fa0f755d76ade26824e083460ee03844 |
memory/1204-61-0x0000000000080000-0x000000000008C000-memory.dmp
memory/1204-59-0x0000000000080000-0x000000000008C000-memory.dmp
memory/1204-58-0x0000000000080000-0x000000000008C000-memory.dmp
memory/1204-63-0x0000000000408BEE-mapping.dmp
memory/1204-64-0x0000000000080000-0x000000000008C000-memory.dmp
memory/1204-65-0x0000000000080000-0x000000000008C000-memory.dmp
memory/1204-68-0x0000000000080000-0x000000000008C000-memory.dmp
memory/1204-70-0x0000000000080000-0x000000000008C000-memory.dmp
memory/388-72-0x0000000000000000-mapping.dmp
memory/1204-74-0x0000000074330000-0x00000000748DB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-20 22:50
Reported
2022-05-20 22:56
Platform
win10v2004-20220414-en
Max time kernel
152s
Max time network
157s
Command Line
Signatures
LimeRAT
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.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\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.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\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3048 set thread context of 4752 | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe
"C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KuDIkpeai" /XML "C:\Users\Admin\AppData\Local\Temp\tmp826E.tmp"
C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe
"C:\Users\Admin\AppData\Local\Temp\ab7b41c231ff2cfd4f9befca2ce8af7478848a956efbbbd534283e549580acd0.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1824
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 20.189.173.1:443 | tcp | |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.25.243:80 | 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 | 172.67.34.170:443 | pastebin.com | tcp |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp | |
| FR | 194.5.97.169:7877 | tcp |
Files
memory/3048-130-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/1728-131-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp826E.tmp
| MD5 | 33068b7af198af0e057f4a38790bc333 |
| SHA1 | dc2b412806a90777559f5334f570a228ea57cdac |
| SHA256 | 6c281c431fd69bf4227b55086e62eeb45242a223e97807021b62b4039c167820 |
| SHA512 | 07a9bebd16bdbafb8df758fc7ffbaa88c67530653a00d3b333ad1602254897e52cef0e08c724e554d3fbd6ee884a3d9445aa72be760fb7498c3889ff4398441e |
memory/4752-133-0x0000000000000000-mapping.dmp
memory/4752-134-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4180-135-0x0000000000000000-mapping.dmp
memory/4752-136-0x0000000074B30000-0x00000000750E1000-memory.dmp