Analysis Overview
SHA256
6e4a05f7b769a8cb12f932281af71be353b058d68a3f96bd00a38b63e78bae70
Threat Level: Known bad
The file cc0f6af0ea57fc9cb9698c534fbbe1b2.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-04 06:55
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-04 06:55
Reported
2023-12-04 06:58
Platform
win7-20231025-en
Max time kernel
121s
Max time network
152s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Subsystem = "C:\\Program Files (x86)\\AGP Subsystem\\agpss.exe" | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3064 set thread context of 1940 | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\AGP Subsystem\agpss.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| File created | C:\Program Files (x86)\AGP Subsystem\agpss.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp934A.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp94A2.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| BG | 91.92.251.203:4510 | btldinc7.sytes.net | tcp |
Files
memory/3064-0-0x00000000009A0000-0x0000000000A6A000-memory.dmp
memory/3064-1-0x0000000073F40000-0x000000007462E000-memory.dmp
memory/3064-2-0x0000000004D40000-0x0000000004D80000-memory.dmp
memory/3064-3-0x0000000000550000-0x0000000000568000-memory.dmp
memory/3064-4-0x0000000000500000-0x0000000000508000-memory.dmp
memory/3064-5-0x0000000000570000-0x000000000057A000-memory.dmp
memory/3064-6-0x0000000005020000-0x0000000005092000-memory.dmp
memory/1940-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1940-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3064-19-0x0000000073F40000-0x000000007462E000-memory.dmp
memory/1940-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1940-23-0x0000000073850000-0x0000000073F3E000-memory.dmp
memory/1940-24-0x00000000047E0000-0x0000000004820000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp934A.tmp
| MD5 | fc7fbae2a7339f292629b47f7c191d91 |
| SHA1 | 2572887548578a060a5eff284dac4e22db06f1d2 |
| SHA256 | 27ad5fb53e16fc402a004b5b5ee6bd52a4acd38ef1f783c774e5bb8b182e429b |
| SHA512 | 8b67a94d58a006f58ec3274498fec1a3ea689890369ea47794163bb2d7f16bea7bbd7a1c83f01bf523b239c9153e64a7b857263d8c1e09c2618d6e49c7bf77e4 |
C:\Users\Admin\AppData\Local\Temp\tmp94A2.tmp
| MD5 | 8aefdc623880016d77594b1802f74db6 |
| SHA1 | 17608aaab6106247dec66a472516d023272c9b9b |
| SHA256 | ccd9d374a356e8635fe06015e07c986fb0e6f71099234ddc2935a6cb5e1571ac |
| SHA512 | bde73cc8244dcb054ff68b86df14ae644b0816aac8524e746e9bf0e68406c6d7e8ee6a0c642b11a9b197319b023c43fcbdc5eafe9c32e4011ad8065cea0b1eb5 |
memory/1940-32-0x00000000003C0000-0x00000000003CA000-memory.dmp
memory/1940-33-0x00000000003D0000-0x00000000003EE000-memory.dmp
memory/1940-34-0x00000000003F0000-0x00000000003FA000-memory.dmp
memory/1940-37-0x00000000005C0000-0x00000000005D2000-memory.dmp
memory/1940-38-0x0000000000660000-0x000000000067A000-memory.dmp
memory/1940-39-0x0000000000960000-0x000000000096E000-memory.dmp
memory/1940-40-0x0000000000980000-0x0000000000992000-memory.dmp
memory/1940-41-0x0000000000990000-0x000000000099E000-memory.dmp
memory/1940-42-0x0000000000C00000-0x0000000000C0C000-memory.dmp
memory/1940-43-0x0000000000C10000-0x0000000000C24000-memory.dmp
memory/1940-44-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/1940-45-0x0000000000C30000-0x0000000000C44000-memory.dmp
memory/1940-46-0x0000000002050000-0x000000000205E000-memory.dmp
memory/1940-47-0x00000000020D0000-0x00000000020FE000-memory.dmp
memory/1940-48-0x0000000002070000-0x0000000002084000-memory.dmp
memory/1940-50-0x0000000073850000-0x0000000073F3E000-memory.dmp
memory/1940-51-0x00000000047E0000-0x0000000004820000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-04 06:55
Reported
2023-12-04 06:58
Platform
win10v2004-20231127-en
Max time kernel
142s
Max time network
161s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe" | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4472 set thread context of 4768 | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\NAS Host\nashost.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| File opened for modification | C:\Program Files (x86)\NAS Host\nashost.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF1E2.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF28F.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.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 | tse1.mm.bing.net | 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 |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| BG | 91.92.251.203:4510 | btldinc7.sytes.net | tcp |
| US | 8.8.8.8:53 | 203.251.92.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.240.110.104.in-addr.arpa | udp |
| US | 52.111.227.14:443 | tcp | |
| US | 8.8.8.8:53 | 25.77.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
memory/4472-1-0x0000000000D70000-0x0000000000E3A000-memory.dmp
memory/4472-0-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4472-2-0x0000000005D00000-0x00000000062A4000-memory.dmp
memory/4472-3-0x0000000005830000-0x00000000058C2000-memory.dmp
memory/4472-4-0x00000000059D0000-0x00000000059E0000-memory.dmp
memory/4472-5-0x00000000058E0000-0x00000000058EA000-memory.dmp
memory/4472-6-0x0000000005CD0000-0x0000000005CE8000-memory.dmp
memory/4472-7-0x0000000006B20000-0x0000000006B28000-memory.dmp
memory/4472-8-0x0000000006B30000-0x0000000006B3A000-memory.dmp
memory/4472-9-0x0000000006DF0000-0x0000000006E62000-memory.dmp
memory/4472-10-0x0000000006C00000-0x0000000006C9C000-memory.dmp
memory/4768-11-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/4472-14-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4768-15-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4768-16-0x0000000005B10000-0x0000000005B20000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF1E2.tmp
| MD5 | fc7fbae2a7339f292629b47f7c191d91 |
| SHA1 | 2572887548578a060a5eff284dac4e22db06f1d2 |
| SHA256 | 27ad5fb53e16fc402a004b5b5ee6bd52a4acd38ef1f783c774e5bb8b182e429b |
| SHA512 | 8b67a94d58a006f58ec3274498fec1a3ea689890369ea47794163bb2d7f16bea7bbd7a1c83f01bf523b239c9153e64a7b857263d8c1e09c2618d6e49c7bf77e4 |
C:\Users\Admin\AppData\Local\Temp\tmpF28F.tmp
| MD5 | 9f554f602c22cfc20079e966d177fadb |
| SHA1 | 789baa3425849bf239e47c6bcf352e6693a8c337 |
| SHA256 | 4c760d5fe0c06cf4bf554170870f41181c61a217c37eb826903094dda86dd1f1 |
| SHA512 | b83e3e97dbe38ec4c64d9bef65e2521416f2d7434d78d05e66f729a2e0fbfea3f9bc6f6c4abaf76555af89a9565dfc0853d99067be9042dd66ed6246696eecbb |
memory/4768-24-0x0000000005AF0000-0x0000000005AFA000-memory.dmp
memory/4768-25-0x0000000005E20000-0x0000000005E3E000-memory.dmp
memory/4768-26-0x0000000006AB0000-0x0000000006ABA000-memory.dmp
memory/4768-29-0x0000000007210000-0x0000000007222000-memory.dmp
memory/4768-30-0x0000000007220000-0x000000000723A000-memory.dmp
memory/4768-31-0x0000000007250000-0x000000000725E000-memory.dmp
memory/4768-32-0x0000000007260000-0x0000000007272000-memory.dmp
memory/4768-33-0x0000000007270000-0x000000000727E000-memory.dmp
memory/4768-34-0x0000000007280000-0x000000000728C000-memory.dmp
memory/4768-35-0x0000000007290000-0x00000000072A4000-memory.dmp
memory/4768-36-0x00000000073E0000-0x00000000073F0000-memory.dmp
memory/4768-37-0x0000000007400000-0x0000000007414000-memory.dmp
memory/4768-38-0x0000000007420000-0x000000000742E000-memory.dmp
memory/4768-39-0x0000000007430000-0x000000000745E000-memory.dmp
memory/4768-40-0x0000000007460000-0x0000000007474000-memory.dmp
memory/4768-41-0x0000000007520000-0x0000000007586000-memory.dmp
memory/4768-43-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4768-44-0x0000000005B10000-0x0000000005B20000-memory.dmp