Analysis Overview
SHA256
a59d62e59533961aa25c3c8b035ef568efe89f000e4e6c303e571deea3084371
Threat Level: Known bad
The file a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Vidar
Vidar Stealer
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
Reads local data of messenger clients
Reads user/profile data of local email clients
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Drops file in Program Files directory
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Checks processor information in registry
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 08:12
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 08:12
Reported
2024-06-14 08:14
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Vidar
Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\LetsSee!\YTLoader.exe | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LetsSee!\busshost.exe | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LetsSee!\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| File created | C:\Program Files (x86)\LetsSee!\Uninstall.ini | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Program Files (x86)\LetsSee!\YTLoader.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe"
C:\Program Files (x86)\LetsSee!\busshost.exe
"C:\Program Files (x86)\LetsSee!\busshost.exe"
C:\Program Files (x86)\LetsSee!\YTLoader.exe
"C:\Program Files (x86)\LetsSee!\YTLoader.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1300 -ip 1300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 1616
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | istats.club | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bestbtcchange.com | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bestbtcchange.com | udp |
| US | 8.8.8.8:53 | 13.173.189.20.in-addr.arpa | udp |
Files
C:\Program Files (x86)\LetsSee!\busshost.exe
| MD5 | 65787b7381c5404fc99b996e56d1be99 |
| SHA1 | 03e6d7842e14e62cf8c47d365ebf5cb29dd2d1f3 |
| SHA256 | 5a308922638cffd906bf3f43452cdb10578f516589ead120d0f8152480f41755 |
| SHA512 | 5d971e574a2de2953fd7e85ed643c3693937973bf3bb0628817aece5d3a14ca543fce287a479d56562dc3bd1c29b10fdc7a29c0cd6d4ed1d19670b161efb113b |
C:\Program Files (x86)\LetsSee!\YTLoader.exe
| MD5 | adc9db2753fa3daa6a8156254ba2a5f1 |
| SHA1 | 50ff27e2e1c4acc35768b93b73c03f7630027f04 |
| SHA256 | f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde |
| SHA512 | 5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195 |
memory/1640-39-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1300-41-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
memory/1300-42-0x0000000000F00000-0x0000000001208000-memory.dmp
memory/1300-43-0x00000000035E0000-0x00000000035EA000-memory.dmp
memory/1300-44-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/1300-45-0x0000000005DE0000-0x000000000623A000-memory.dmp
memory/1300-46-0x0000000005C20000-0x0000000005C30000-memory.dmp
memory/1300-47-0x0000000005C30000-0x0000000005C3A000-memory.dmp
memory/1300-50-0x0000000005C80000-0x0000000005C88000-memory.dmp
memory/1300-48-0x0000000005C40000-0x0000000005C4A000-memory.dmp
memory/1300-49-0x0000000005C70000-0x0000000005C7A000-memory.dmp
memory/1300-54-0x0000000005CC0000-0x0000000005CC8000-memory.dmp
memory/1300-55-0x00000000064F0000-0x00000000064F8000-memory.dmp
memory/1300-53-0x0000000005CB0000-0x0000000005CB8000-memory.dmp
memory/1300-56-0x0000000006500000-0x0000000006508000-memory.dmp
memory/1300-51-0x0000000005C60000-0x0000000005C6E000-memory.dmp
memory/1300-57-0x0000000006510000-0x0000000006518000-memory.dmp
memory/1300-52-0x0000000005CA0000-0x0000000005CA8000-memory.dmp
memory/1300-58-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/4828-60-0x00000000026F0000-0x00000000027F0000-memory.dmp
memory/4828-61-0x0000000000400000-0x000000000048F000-memory.dmp
memory/4828-74-0x0000000000400000-0x00000000008B6000-memory.dmp
memory/4828-76-0x00000000026F0000-0x00000000027F0000-memory.dmp
memory/4828-78-0x0000000000400000-0x000000000048F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 08:12
Reported
2024-06-14 08:14
Platform
win7-20240221-en
Max time kernel
141s
Max time network
122s
Command Line
Signatures
Vidar
Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\LetsSee!\Uninstall.ini | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LetsSee!\YTLoader.exe | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LetsSee!\busshost.exe | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LetsSee!\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Program Files (x86)\LetsSee!\YTLoader.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\LetsSee!\busshost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\LetsSee!\YTLoader.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8ad0e6c4cadc3ca2b95ccd00f4c7144_JaffaCakes118.exe"
C:\Program Files (x86)\LetsSee!\busshost.exe
"C:\Program Files (x86)\LetsSee!\busshost.exe"
C:\Program Files (x86)\LetsSee!\YTLoader.exe
"C:\Program Files (x86)\LetsSee!\YTLoader.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1180
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bestbtcchange.com | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | istats.club | udp |
Files
\Program Files (x86)\LetsSee!\busshost.exe
| MD5 | 65787b7381c5404fc99b996e56d1be99 |
| SHA1 | 03e6d7842e14e62cf8c47d365ebf5cb29dd2d1f3 |
| SHA256 | 5a308922638cffd906bf3f43452cdb10578f516589ead120d0f8152480f41755 |
| SHA512 | 5d971e574a2de2953fd7e85ed643c3693937973bf3bb0628817aece5d3a14ca543fce287a479d56562dc3bd1c29b10fdc7a29c0cd6d4ed1d19670b161efb113b |
C:\Program Files (x86)\LetsSee!\YTLoader.exe
| MD5 | adc9db2753fa3daa6a8156254ba2a5f1 |
| SHA1 | 50ff27e2e1c4acc35768b93b73c03f7630027f04 |
| SHA256 | f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde |
| SHA512 | 5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195 |
memory/1692-33-0x0000000000400000-0x0000000000435000-memory.dmp
memory/2532-35-0x00000000741BE000-0x00000000741BF000-memory.dmp
memory/2532-36-0x0000000000270000-0x0000000000578000-memory.dmp
memory/2532-37-0x00000000006B0000-0x00000000006BA000-memory.dmp
memory/2532-38-0x00000000741B0000-0x000000007489E000-memory.dmp
memory/2532-39-0x00000000051E0000-0x000000000563A000-memory.dmp
memory/2532-40-0x0000000000810000-0x0000000000820000-memory.dmp
memory/2532-42-0x0000000000830000-0x000000000083A000-memory.dmp
memory/2532-41-0x0000000000820000-0x000000000082A000-memory.dmp
memory/2532-43-0x0000000000B70000-0x0000000000B7A000-memory.dmp
memory/2532-44-0x0000000000B80000-0x0000000000B88000-memory.dmp
memory/2532-45-0x0000000000B90000-0x0000000000B9E000-memory.dmp
memory/2532-46-0x0000000000BA0000-0x0000000000BA8000-memory.dmp
memory/2532-47-0x00000000021C0000-0x00000000021C8000-memory.dmp
memory/2532-48-0x00000000021D0000-0x00000000021D8000-memory.dmp
memory/2532-49-0x00000000021E0000-0x00000000021E8000-memory.dmp
memory/2532-50-0x0000000002240000-0x0000000002248000-memory.dmp
memory/2532-51-0x0000000002250000-0x0000000002258000-memory.dmp
memory/2604-53-0x0000000000220000-0x0000000000320000-memory.dmp
memory/2604-54-0x0000000000400000-0x000000000048F000-memory.dmp
memory/2604-68-0x0000000000400000-0x00000000008B6000-memory.dmp
memory/2532-69-0x00000000741BE000-0x00000000741BF000-memory.dmp
memory/2532-71-0x00000000741B0000-0x000000007489E000-memory.dmp
memory/2604-72-0x0000000000220000-0x0000000000320000-memory.dmp
memory/2604-73-0x0000000000400000-0x000000000048F000-memory.dmp