Analysis Overview
SHA256
88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088
Threat Level: Known bad
The file 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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 use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-22 01:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 01:56
Reported
2024-05-22 01:59
Platform
win7-20240419-en
Max time kernel
145s
Max time network
149s
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\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe" | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1936 set thread context of 3068 | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\DOS Manager\dosmgr.exe | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
| File created | C:\Program Files (x86)\DOS Manager\dosmgr.exe | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
"C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe"
C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
"C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp49EC.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4AE6.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
Files
memory/1936-0-0x000000007494E000-0x000000007494F000-memory.dmp
memory/1936-1-0x00000000009F0000-0x0000000000A92000-memory.dmp
memory/1936-2-0x0000000074940000-0x000000007502E000-memory.dmp
memory/1936-3-0x00000000008C0000-0x00000000008DA000-memory.dmp
memory/1936-4-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1936-5-0x0000000005240000-0x00000000052BA000-memory.dmp
memory/3068-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3068-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3068-21-0x0000000074940000-0x000000007502E000-memory.dmp
memory/3068-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3068-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3068-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3068-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3068-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3068-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1936-22-0x0000000074940000-0x000000007502E000-memory.dmp
memory/3068-23-0x0000000074940000-0x000000007502E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp49EC.tmp
| MD5 | d9626ef59db284bac911f216d73b6824 |
| SHA1 | 6996f109718602b667fc93ccc680a491ba48a346 |
| SHA256 | 7f9ae771081cf5f64d8df88da0cb1b243724f20ff8f547399c59b39abf8b01bc |
| SHA512 | da647942652ede9836c32ce00e8c1bd8564e2b18edc292c2a736104d708d184f85cb001a488bf2af0c4c2d64f988ac79dc2efc78224ff4687f5e3345658f8c81 |
C:\Users\Admin\AppData\Local\Temp\tmp4AE6.tmp
| MD5 | 8f5713b14cee3089852f6c8d2a7a7d57 |
| SHA1 | 8bffbea05715c6434ad593cce8a2c737f80ff788 |
| SHA256 | ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c |
| SHA512 | 82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72 |
memory/3068-31-0x0000000000660000-0x000000000066A000-memory.dmp
memory/3068-32-0x0000000000680000-0x000000000069E000-memory.dmp
memory/3068-33-0x0000000000670000-0x000000000067A000-memory.dmp
memory/3068-34-0x0000000074940000-0x000000007502E000-memory.dmp
memory/3068-35-0x0000000074940000-0x000000007502E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 01:56
Reported
2024-05-22 01:59
Platform
win10v2004-20240508-en
Max time kernel
146s
Max time network
150s
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\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe" | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1232 set thread context of 1636 | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\LAN Monitor\lanmon.exe | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LAN Monitor\lanmon.exe | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.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
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
"C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe"
C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe
"C:\Users\Admin\AppData\Local\Temp\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8702.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8761.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
| US | 8.8.8.8:53 | xpwarzonlin2.ddns.net | udp |
| LV | 109.248.151.181:1996 | xpwarzonlin2.ddns.net | tcp |
Files
memory/1232-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp
memory/1232-1-0x0000000000F10000-0x0000000000FB2000-memory.dmp
memory/1232-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/1232-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp
memory/1232-4-0x00000000059C0000-0x00000000059CA000-memory.dmp
memory/1232-5-0x0000000005C80000-0x0000000005D1C000-memory.dmp
memory/1232-6-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1232-7-0x0000000005C60000-0x0000000005C7A000-memory.dmp
memory/1232-8-0x0000000005E20000-0x0000000005E30000-memory.dmp
memory/1232-9-0x0000000006F60000-0x0000000006FDA000-memory.dmp
memory/1636-10-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/1636-13-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1232-14-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1636-15-0x0000000074A50000-0x0000000075200000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8702.tmp
| MD5 | d9626ef59db284bac911f216d73b6824 |
| SHA1 | 6996f109718602b667fc93ccc680a491ba48a346 |
| SHA256 | 7f9ae771081cf5f64d8df88da0cb1b243724f20ff8f547399c59b39abf8b01bc |
| SHA512 | da647942652ede9836c32ce00e8c1bd8564e2b18edc292c2a736104d708d184f85cb001a488bf2af0c4c2d64f988ac79dc2efc78224ff4687f5e3345658f8c81 |
C:\Users\Admin\AppData\Local\Temp\tmp8761.tmp
| MD5 | ecf141ec69adbb2a5c3dd5c85cd0ec39 |
| SHA1 | 0ad224632fa58d103142c05c44a142f3d7208291 |
| SHA256 | 64d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316 |
| SHA512 | 4821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201 |
memory/1636-23-0x0000000005360000-0x000000000536A000-memory.dmp
memory/1636-24-0x0000000005370000-0x000000000538E000-memory.dmp
memory/1636-25-0x00000000062A0000-0x00000000062AA000-memory.dmp
memory/1636-26-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/1636-27-0x0000000074A50000-0x0000000075200000-memory.dmp