Analysis Overview
SHA256
f176013ba4695eb876b9d3898e7b7649ac073ef0be38d84fbc43de02dd6964cf
Threat Level: Known bad
The file 15570cfcccc4a0a7aacd356fce6164fb.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Looks up external IP address via web service
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-31 12:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-31 12:52
Reported
2024-01-04 18:03
Platform
win7-20231129-en
Max time kernel
149s
Max time network
121s
Command Line
Signatures
Quasar RAT
Quasar payload
| 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 |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\java\update.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dll.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dll.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\java\update.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\java\update.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe
"C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe"
C:\Users\Admin\AppData\Local\Temp\dll.exe
"C:\Users\Admin\AppData\Local\Temp\dll.exe"
C:\Users\Admin\AppData\Roaming\java\update.exe
"C:\Users\Admin\AppData\Roaming\java\update.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp |
Files
memory/2028-0-0x0000000000370000-0x0000000000462000-memory.dmp
memory/2028-1-0x0000000074730000-0x0000000074E1E000-memory.dmp
memory/2028-2-0x00000000004A0000-0x00000000004E0000-memory.dmp
memory/2028-3-0x0000000074730000-0x0000000074E1E000-memory.dmp
memory/2028-4-0x00000000004A0000-0x00000000004E0000-memory.dmp
\Users\Admin\AppData\Local\Temp\dll.exe
| MD5 | bfe7498e7720c108ee3bb82e0b9fe7ee |
| SHA1 | 6e6222dc7bcae6d38b81078ba4099b7b8fb9a9fd |
| SHA256 | e68e0f50fe6c139bbfe81f1680f9b8207dcef156993387dd4a450624558a515c |
| SHA512 | 5b62d69cc9879d99c56a85a45cf7e20458dedf97c88001e464f085dc2ef09391c50d9a3527caf88039466cd340a6adde2ed40f2d1ab95924a45eb0ae9129d324 |
memory/2720-12-0x0000000000E80000-0x0000000000EDE000-memory.dmp
memory/2720-13-0x0000000074730000-0x0000000074E1E000-memory.dmp
memory/2720-14-0x00000000044F0000-0x0000000004530000-memory.dmp
C:\Users\Admin\AppData\Roaming\java\update.exe
| MD5 | eeb1a66c44e401ae268fd5e8fd0dc377 |
| SHA1 | c22857dbcc2f5ae2d4d4bab1f596acdc8d332df4 |
| SHA256 | f07454793bf622a7d972cf1e901dd167d1045c027f8d61357026d0f942b63a36 |
| SHA512 | c32517fa10c3189fb93d554d81f74c78dc33f1ce4f161f1869244f0c8b108a5ed3236ad702039b484b5f0a4cedbf58d65443da697b16f20a912e71e4e6bc545b |
memory/2720-21-0x0000000074730000-0x0000000074E1E000-memory.dmp
memory/2476-23-0x0000000000F80000-0x0000000000FDE000-memory.dmp
memory/2476-22-0x0000000074730000-0x0000000074E1E000-memory.dmp
memory/2476-24-0x0000000004B80000-0x0000000004BC0000-memory.dmp
memory/2476-26-0x0000000074730000-0x0000000074E1E000-memory.dmp
memory/2476-27-0x0000000004B80000-0x0000000004BC0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-31 12:52
Reported
2024-01-04 18:06
Platform
win10v2004-20231215-en
Max time kernel
144s
Max time network
151s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| 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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dll.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\java\update.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\java\update.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1428 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe | C:\Users\Admin\AppData\Local\Temp\dll.exe |
| PID 1428 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe | C:\Users\Admin\AppData\Local\Temp\dll.exe |
| PID 1428 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe | C:\Users\Admin\AppData\Local\Temp\dll.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe
"C:\Users\Admin\AppData\Local\Temp\15570cfcccc4a0a7aacd356fce6164fb.exe"
C:\Users\Admin\AppData\Local\Temp\dll.exe
"C:\Users\Admin\AppData\Local\Temp\dll.exe"
C:\Users\Admin\AppData\Roaming\java\update.exe
"C:\Users\Admin\AppData\Roaming\java\update.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | 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 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:3329 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.135.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:3329 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.134.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp | |
| N/A | 127.0.0.1:3329 | tcp |
Files
memory/1428-1-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/1428-0-0x00000000001D0000-0x00000000002C2000-memory.dmp
memory/1428-2-0x0000000005340000-0x00000000058E4000-memory.dmp
memory/1428-3-0x0000000004D90000-0x0000000004E22000-memory.dmp
memory/1428-4-0x0000000004C90000-0x0000000004CA0000-memory.dmp
memory/1428-5-0x0000000004CD0000-0x0000000004CDA000-memory.dmp
memory/1428-6-0x0000000006360000-0x00000000063FC000-memory.dmp
memory/1428-7-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/1428-8-0x0000000004C90000-0x0000000004CA0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\dll.exe
| MD5 | bfe7498e7720c108ee3bb82e0b9fe7ee |
| SHA1 | 6e6222dc7bcae6d38b81078ba4099b7b8fb9a9fd |
| SHA256 | e68e0f50fe6c139bbfe81f1680f9b8207dcef156993387dd4a450624558a515c |
| SHA512 | 5b62d69cc9879d99c56a85a45cf7e20458dedf97c88001e464f085dc2ef09391c50d9a3527caf88039466cd340a6adde2ed40f2d1ab95924a45eb0ae9129d324 |
memory/3304-20-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/2160-19-0x000000006FCE0000-0x000000006FCF2000-memory.dmp
memory/3304-21-0x0000000000BC0000-0x0000000000C1E000-memory.dmp
memory/3304-22-0x0000000003000000-0x0000000003010000-memory.dmp
memory/3304-23-0x00000000055D0000-0x0000000005636000-memory.dmp
memory/3304-24-0x0000000005B40000-0x0000000005B52000-memory.dmp
memory/3304-25-0x0000000006830000-0x000000000686C000-memory.dmp
memory/3304-27-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/3304-28-0x0000000003000000-0x0000000003010000-memory.dmp