Analysis Overview
SHA256
149e9d049c83abff4843e0fab7f6cde552aef61e32a53d61e76f6c5adc3db25f
Threat Level: Known bad
The file abb84f7bbcc5585765153cd445c8c07d.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Checks whether UAC is enabled
Adds Run key to start application
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Kills process with taskkill
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Runs ping.exe
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-06 10:21
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-06 10:21
Reported
2024-01-06 10:23
Platform
win7-20231215-en
Max time kernel
0s
Max time network
119s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AGP Service = "C:\\Program Files\\AGP Service\\agpsv.exe" | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.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\SecurityHealthService.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\AGP Service\agpsv.exe | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| File opened for modification | C:\Program Files\AGP Service\agpsv.exe | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskkill.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe
"C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe"
C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2444.tmp"
C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp23E5.tmp"
C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe
"C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe"
C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe
"C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe"
C:\Windows\system32\PING.EXE
ping -n 1 -w 3000 1.1.1.1
C:\Windows\system32\taskkill.exe
taskkill /f /im "SecurityHealthService.exe"
C:\Windows\system32\cmd.exe
"cmd.exe" /C taskkill /f /im "SecurityHealthService.exe" & ping -n 1 -w 3000 1.1.1.1 & type nul > "C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe" & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe"
C:\Windows\system32\schtasks.exe
"schtasks.exe" /delete /f /tn "AGP Service Task"
C:\Windows\system32\schtasks.exe
"schtasks.exe" /delete /f /tn "AGP Service"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | yourself-catholic.gl.at.ply.gg | udp |
| US | 147.185.221.17:56274 | yourself-catholic.gl.at.ply.gg | tcp |
Files
memory/2748-17-0x000007FEF5710000-0x000007FEF60AD000-memory.dmp
memory/2748-20-0x00000000006C0000-0x0000000000740000-memory.dmp
memory/2748-19-0x00000000006C0000-0x0000000000740000-memory.dmp
memory/2748-29-0x00000000006C0000-0x0000000000740000-memory.dmp
memory/2748-35-0x0000000002150000-0x0000000002164000-memory.dmp
memory/2748-40-0x00000000006A0000-0x00000000006AA000-memory.dmp
memory/2748-43-0x000000001BDB0000-0x000000001BEB0000-memory.dmp
memory/2748-42-0x000000001AD90000-0x000000001ADA4000-memory.dmp
memory/2748-44-0x000000001BDB0000-0x000000001BEB0000-memory.dmp
memory/2748-41-0x000000001B080000-0x000000001B0AE000-memory.dmp
memory/2748-39-0x000000001AF80000-0x000000001AF9E000-memory.dmp
memory/2748-38-0x000000001AD80000-0x000000001AD8E000-memory.dmp
memory/2748-37-0x000000001AD70000-0x000000001AD84000-memory.dmp
memory/2748-36-0x0000000002160000-0x0000000002170000-memory.dmp
memory/2748-34-0x0000000000910000-0x000000000091C000-memory.dmp
memory/2748-33-0x0000000000750000-0x000000000075E000-memory.dmp
memory/2748-32-0x0000000000510000-0x000000000051E000-memory.dmp
memory/2748-31-0x00000000008E0000-0x00000000008FA000-memory.dmp
memory/2748-30-0x0000000000550000-0x0000000000562000-memory.dmp
memory/2748-28-0x0000000000740000-0x000000000074A000-memory.dmp
memory/2748-18-0x000007FEF5710000-0x000007FEF60AD000-memory.dmp
memory/2628-14-0x000000013FBF0000-0x000000013FC93000-memory.dmp
memory/2312-8-0x0000000002930000-0x00000000029D3000-memory.dmp
\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2748-54-0x000007FEF5710000-0x000007FEF60AD000-memory.dmp
memory/2748-53-0x00000000006C0000-0x0000000000740000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-06 10:21
Reported
2024-01-06 10:24
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
179s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files\\DHCP Service\\dhcpsvc.exe" | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.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\SecurityHealthService.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\DHCP Service\dhcpsvc.exe | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| File opened for modification | C:\Program Files\DHCP Service\dhcpsvc.exe | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe
"C:\Users\Admin\AppData\Local\Temp\abb84f7bbcc5585765153cd445c8c07d.exe"
C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe
"C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe"
C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe
"C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8812.tmp"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8F56.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 19.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yourself-catholic.gl.at.ply.gg | udp |
| US | 147.185.221.17:56274 | yourself-catholic.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 17.221.185.147.in-addr.arpa | udp |
| 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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\Tayz Woofer.exe
| MD5 | 8a172477569fd0f1b554ecaa42a59d9d |
| SHA1 | 58adf1c1f27215d13e280364c15008df293d90fb |
| SHA256 | 391915fb3b7aa3df83c7d95c0867e3d24ee8906e657344666bbd87ea4e61a82a |
| SHA512 | 8aae52a6af70795cc938a7ad107bfa2ab383ea2f8f86777ac2084eba0bbac6175bbe432569a8706541122b9dc417748f5fe54e829ddd77be0b7a6b5c26999a85 |
C:\Users\Admin\AppData\Local\Temp\SecurityHealthService.exe
| MD5 | a632a39ffdce2f2de984c6992d188986 |
| SHA1 | 7a1bb8fea06c819b7e575f9ef431af09151837eb |
| SHA256 | 6800905847788c228e211fd1086dad6a20aa745d1351c0bd43d5f89aa58b1c9e |
| SHA512 | a7a6f0bc2448f3222652882893c9b14e21f073dce0dc0509c534bd0e1219a8860278be485a1b41333f7b9dc969431aacd54701f4ca7eb9d615ffdf192452244b |
memory/1244-10-0x00007FF75B220000-0x00007FF75B2C3000-memory.dmp
memory/3832-17-0x00007FF9B62C0000-0x00007FF9B6C61000-memory.dmp
memory/3832-18-0x00007FF9B62C0000-0x00007FF9B6C61000-memory.dmp
memory/3832-19-0x0000000000DE0000-0x0000000000DF0000-memory.dmp
memory/3832-20-0x000000001B8C0000-0x000000001BD8E000-memory.dmp
memory/1244-21-0x00007FF75B220000-0x00007FF75B2C3000-memory.dmp
memory/3832-22-0x000000001BD90000-0x000000001BE2C000-memory.dmp
memory/3832-23-0x000000001BFE0000-0x000000001C086000-memory.dmp
memory/3832-24-0x00007FF9B62C0000-0x00007FF9B6C61000-memory.dmp
memory/3832-25-0x0000000000DB0000-0x0000000000DB8000-memory.dmp
memory/3832-26-0x00007FF9B62C0000-0x00007FF9B6C61000-memory.dmp
memory/3832-27-0x0000000000DE0000-0x0000000000DF0000-memory.dmp
memory/3832-28-0x0000000000DE0000-0x0000000000DF0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8812.tmp
| MD5 | 03622b0c91662ec4ada74d25f655232f |
| SHA1 | 7272a7d3acd8726fa58987ad322fa06ce7a23208 |
| SHA256 | 68a618959190a38c260d20dde35209ed7c8f8ef336c8f6af4abdf416ea2e8b67 |
| SHA512 | 6d6ddb25cf1a0793bcea2ce25e866db318400eef864c1608441c529ab094be604c9e98264219c933a2187ec63abc77124edddeb324744999872d150ce7e73dd2 |
C:\Users\Admin\AppData\Local\Temp\tmp8F56.tmp
| MD5 | a1e72d32044df2250a28d62375b19f15 |
| SHA1 | f82e0131f1a1fcbf825544cd2cc25e28174c47ee |
| SHA256 | b3e2fff6289e337bc83c056904dad620e5edc7f28ac3690ab4900f3ec90df799 |
| SHA512 | df04c1f421c3d2ed3c928e388aa068be0c3b1bd16348f2692a63c641ec6cd3b103525a8e39298566a395f863fc23a3e29cf2ae50f3e68b5ffba981241587a88b |
memory/3832-36-0x0000000000DE0000-0x0000000000DF0000-memory.dmp
memory/3832-37-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-38-0x000000001C940000-0x000000001C94A000-memory.dmp
memory/3832-39-0x000000001C190000-0x000000001C1A2000-memory.dmp
memory/3832-40-0x000000001CC50000-0x000000001CC6A000-memory.dmp
memory/3832-41-0x000000001C8D0000-0x000000001C8DE000-memory.dmp
memory/3832-42-0x000000001CC70000-0x000000001CC7E000-memory.dmp
memory/3832-43-0x000000001CC80000-0x000000001CC8C000-memory.dmp
memory/3832-44-0x000000001CC90000-0x000000001CCA4000-memory.dmp
memory/3832-45-0x0000000000DA0000-0x0000000000DB0000-memory.dmp
memory/3832-46-0x0000000000DD0000-0x0000000000DE4000-memory.dmp
memory/3832-47-0x000000001B3D0000-0x000000001B3DE000-memory.dmp
memory/3832-48-0x000000001CCA0000-0x000000001CCBE000-memory.dmp
memory/3832-49-0x000000001CCF0000-0x000000001CCFA000-memory.dmp
memory/3832-50-0x000000001CD00000-0x000000001CD2E000-memory.dmp
memory/3832-52-0x000000001CCE0000-0x000000001CCF4000-memory.dmp
memory/3832-51-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-53-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-54-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-56-0x000000001DC10000-0x000000001DC72000-memory.dmp
memory/3832-57-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-59-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-60-0x000000001C260000-0x000000001C360000-memory.dmp
memory/3832-61-0x000000001C260000-0x000000001C360000-memory.dmp