Analysis Overview
SHA256
0b0818a3e82b1653a0160daedf39b18f4dd2a1b41661928451e5a26c4b6392a7
Threat Level: Known bad
The file 79949bbec90a663289312a4bcb043aeb was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-27 07:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-27 07:02
Reported
2024-01-27 07:05
Platform
win7-20231215-en
Max time kernel
147s
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\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe" | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.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\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 816 set thread context of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\ISS Manager\issmgr.exe | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
| File opened for modification | C:\Program Files (x86)\ISS Manager\issmgr.exe | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe
"C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe"
C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe
"C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
Files
memory/816-0-0x0000000000F40000-0x0000000000FB0000-memory.dmp
memory/816-1-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/816-2-0x0000000004AE0000-0x0000000004B20000-memory.dmp
memory/816-3-0x0000000000440000-0x0000000000448000-memory.dmp
memory/2880-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2880-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2880-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/816-18-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/2880-19-0x0000000073FC0000-0x00000000746AE000-memory.dmp
memory/2880-20-0x0000000004720000-0x0000000004760000-memory.dmp
memory/2880-23-0x00000000004F0000-0x00000000004FA000-memory.dmp
memory/2880-24-0x0000000000670000-0x000000000068E000-memory.dmp
memory/2880-25-0x0000000000870000-0x000000000087A000-memory.dmp
memory/2880-26-0x0000000073FC0000-0x00000000746AE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-27 07:02
Reported
2024-01-27 07:05
Platform
win10v2004-20231222-en
Max time kernel
147s
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\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.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\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1960 set thread context of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\SMTP Subsystem\smtpss.exe | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
| File opened for modification | C:\Program Files (x86)\SMTP Subsystem\smtpss.exe | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe
"C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe"
C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe
"C:\Users\Admin\AppData\Local\Temp\79949bbec90a663289312a4bcb043aeb.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
| US | 8.8.8.8:53 | grene231.ddns.net | udp |
Files
memory/1960-1-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/1960-2-0x00000000058A0000-0x0000000005932000-memory.dmp
memory/1960-0-0x0000000000E10000-0x0000000000E80000-memory.dmp
memory/1960-3-0x0000000005830000-0x0000000005840000-memory.dmp
memory/1960-4-0x0000000005BA0000-0x0000000005C3C000-memory.dmp
memory/1960-5-0x0000000005A90000-0x0000000005A98000-memory.dmp
memory/1960-6-0x00000000061F0000-0x0000000006794000-memory.dmp
memory/2544-7-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\79949bbec90a663289312a4bcb043aeb.exe.log
| MD5 | a6b67088efc040365b2447fdcda1e0fd |
| SHA1 | ecbb5a3354bedfb924c498e5d852c5831a5b22f7 |
| SHA256 | a2c0432a8caeb10a8cd8634ceee0bc4b53d75a02e8e463a01bf97a4e25b46a55 |
| SHA512 | cb83069882d727e7733945d1593e87f34869fc5397d01d17d3022c4777a37322d9d94ecdfaeca863a01dec89aaaaeaf7dd997e17a97ba4ffdacf64d31021c156 |
memory/2544-13-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/1960-12-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/2544-14-0x0000000005250000-0x0000000005260000-memory.dmp
memory/2544-15-0x00000000052A0000-0x00000000052AA000-memory.dmp
memory/2544-18-0x0000000005530000-0x000000000553A000-memory.dmp
memory/2544-19-0x0000000005900000-0x000000000591E000-memory.dmp
memory/2544-20-0x0000000006160000-0x000000000616A000-memory.dmp
memory/2544-21-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/2544-22-0x0000000005250000-0x0000000005260000-memory.dmp