Analysis Overview
SHA256
c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb
Threat Level: Shows suspicious behavior
The file c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb was found to be: Shows suspicious behavior.
Malicious Activity Summary
Reads user/profile data of web browsers
Writes to the Master Boot Record (MBR)
UPX packed file
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Checks SCSI registry key(s)
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-15 22:26
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-15 22:26
Reported
2024-10-15 22:28
Platform
win7-20240903-en
Max time kernel
142s
Max time network
148s
Command Line
Signatures
Reads user/profile data of web browsers
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
UPX packed file
| 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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Suspicious use of SetWindowsHookEx
Processes
C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe
"C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | w.nanweng.cn | udp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| US | 8.8.8.8:53 | www.msn.com | udp |
| US | 204.79.197.203:443 | www.msn.com | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| US | 8.8.8.8:53 | w.nanweng.cn | udp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
Files
memory/2136-0-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2136-3-0x0000000002E20000-0x0000000002E2A000-memory.dmp
memory/2136-2-0x0000000002E20000-0x0000000002E2A000-memory.dmp
memory/2136-4-0x000000006D450000-0x000000006D460000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab82A9.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar82BC.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/2136-174-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2136-175-0x0000000002E20000-0x0000000002E2A000-memory.dmp
memory/2136-184-0x0000000000400000-0x00000000005AC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-15 22:26
Reported
2024-10-15 22:28
Platform
win10v2004-20241007-en
Max time kernel
116s
Max time network
144s
Command Line
Signatures
Reads user/profile data of web browsers
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
UPX packed file
| 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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DOMStorage\msn.com | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\msn.com | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\msn.com\NumberOfSubdomains = "1" | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe | N/A |
Suspicious use of SetWindowsHookEx
Processes
C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe
"C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | w.nanweng.cn | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| US | 8.8.8.8:53 | www.msn.com | udp |
| US | 204.79.197.203:443 | www.msn.com | tcp |
| US | 8.8.8.8:53 | 246.197.219.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | assets.msn.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| GB | 2.19.161.63:443 | assets.msn.com | tcp |
| GB | 2.19.161.63:443 | assets.msn.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.161.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| US | 8.8.8.8:53 | data.goosai.com | udp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| CN | 47.103.45.17:80 | w.nanweng.cn | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/2720-0-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2720-2-0x000000006F2E0000-0x000000006F2F0000-memory.dmp
memory/2720-21-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2720-24-0x0000000000400000-0x00000000005AC000-memory.dmp