Analysis Overview
SHA256
a17f3767047a98aa7cd819151c97ec119548ae5379f481fb4500e912ae3375a9
Threat Level: Known bad
The file de7da11f23c0d9763fdd5c9676edf858 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
ModiLoader, DBatLoader
ModiLoader Second Stage
Executes dropped EXE
Themida packer
Adds Run key to start application
Checks whether UAC is enabled
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
System policy modification
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 16:54
Signatures
Themida packer
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 16:54
Reported
2024-03-25 16:57
Platform
win7-20240221-en
Max time kernel
142s
Max time network
149s
Command Line
Signatures
ModiLoader, DBatLoader
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" | C:\Windows\mstwain32.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\de7da11f23c0d9763fdd5c9676edf858.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\mstwain32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | N/A |
| File created | C:\Windows\ntdtcstp.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\cmsetac.dll | C:\Windows\mstwain32.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1780 wrote to memory of 1420 | N/A | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | C:\Windows\mstwain32.exe |
| PID 1780 wrote to memory of 1420 | N/A | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | C:\Windows\mstwain32.exe |
| PID 1780 wrote to memory of 1420 | N/A | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | C:\Windows\mstwain32.exe |
| PID 1780 wrote to memory of 1420 | N/A | C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe | C:\Windows\mstwain32.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe
"C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp | |
| N/A | 10.1.1.4:15963 | tcp |
Files
memory/1780-0-0x0000000000840000-0x0000000000841000-memory.dmp
memory/1780-1-0x00000000009A0000-0x0000000000A89000-memory.dmp
memory/1780-2-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1780-4-0x0000000004350000-0x0000000004351000-memory.dmp
memory/1780-7-0x0000000004480000-0x0000000004481000-memory.dmp
memory/1780-18-0x0000000004360000-0x0000000004361000-memory.dmp
memory/1780-17-0x0000000004370000-0x0000000004371000-memory.dmp
memory/1780-16-0x0000000004430000-0x0000000004431000-memory.dmp
memory/1780-15-0x0000000004490000-0x0000000004491000-memory.dmp
memory/1780-14-0x0000000004340000-0x0000000004341000-memory.dmp
memory/1780-13-0x0000000004380000-0x0000000004381000-memory.dmp
memory/1780-12-0x0000000004400000-0x0000000004401000-memory.dmp
memory/1780-11-0x00000000043E0000-0x00000000043E1000-memory.dmp
memory/1780-10-0x0000000004470000-0x0000000004471000-memory.dmp
memory/1780-9-0x00000000043C0000-0x00000000043C1000-memory.dmp
memory/1780-8-0x00000000043B0000-0x00000000043B1000-memory.dmp
memory/1780-6-0x0000000004390000-0x0000000004391000-memory.dmp
memory/1780-5-0x0000000004300000-0x0000000004301000-memory.dmp
memory/1780-3-0x0000000004330000-0x0000000004331000-memory.dmp
memory/1780-20-0x00000000043D0000-0x00000000043D1000-memory.dmp
memory/1780-19-0x0000000004420000-0x0000000004422000-memory.dmp
memory/1780-21-0x0000000000400000-0x00000000006A9000-memory.dmp
C:\Windows\mstwain32.exe
| MD5 | de7da11f23c0d9763fdd5c9676edf858 |
| SHA1 | 1ce0e8ce70c5e9e5d45dc18fd4f938e41e1caf72 |
| SHA256 | a17f3767047a98aa7cd819151c97ec119548ae5379f481fb4500e912ae3375a9 |
| SHA512 | 45257eb0f9aeedb1951fc4ad13c5571df78ae63c1a3183d227c7152bcb4f68f728de69d6dc7a45a541236b016a167be52c4a7df0afc3066843f46d5231fa7638 |
memory/1420-31-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1780-30-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-32-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-33-0x0000000004330000-0x0000000004331000-memory.dmp
memory/1420-43-0x0000000004480000-0x0000000004481000-memory.dmp
memory/1420-45-0x0000000004400000-0x0000000004401000-memory.dmp
memory/1420-51-0x0000000004360000-0x0000000004361000-memory.dmp
memory/1420-50-0x0000000004440000-0x0000000004441000-memory.dmp
memory/1420-49-0x00000000044A0000-0x00000000044A1000-memory.dmp
memory/1420-48-0x0000000004340000-0x0000000004341000-memory.dmp
memory/1420-47-0x0000000004380000-0x0000000004381000-memory.dmp
memory/1420-46-0x0000000004370000-0x0000000004371000-memory.dmp
memory/1420-44-0x00000000043E0000-0x00000000043E1000-memory.dmp
memory/1420-42-0x00000000043C0000-0x00000000043C1000-memory.dmp
memory/1420-41-0x00000000043B0000-0x00000000043B1000-memory.dmp
memory/1420-40-0x0000000004490000-0x0000000004491000-memory.dmp
memory/1420-38-0x0000000004390000-0x0000000004391000-memory.dmp
memory/1420-37-0x0000000004300000-0x0000000004301000-memory.dmp
memory/1420-34-0x0000000004350000-0x0000000004351000-memory.dmp
memory/1420-59-0x0000000004450000-0x0000000004451000-memory.dmp
memory/1420-58-0x0000000004160000-0x0000000004161000-memory.dmp
memory/1420-57-0x00000000043D0000-0x00000000043D1000-memory.dmp
memory/1420-56-0x0000000004430000-0x0000000004431000-memory.dmp
memory/1420-54-0x0000000004470000-0x0000000004471000-memory.dmp
memory/1420-53-0x00000000044B0000-0x00000000044B1000-memory.dmp
memory/1420-52-0x00000000049D0000-0x00000000049DE000-memory.dmp
memory/1420-60-0x0000000075E10000-0x0000000075F00000-memory.dmp
memory/1420-61-0x0000000075640000-0x0000000075654000-memory.dmp
memory/1420-62-0x0000000004460000-0x0000000004461000-memory.dmp
memory/1420-63-0x0000000004980000-0x0000000004981000-memory.dmp
memory/1420-64-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-65-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1420-66-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-67-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-68-0x0000000075E10000-0x0000000075F00000-memory.dmp
memory/1420-69-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-70-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-72-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-73-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-74-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-75-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-76-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-77-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-78-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-79-0x0000000000400000-0x00000000006A9000-memory.dmp
memory/1420-80-0x0000000000400000-0x00000000006A9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 16:54
Reported
2024-03-25 16:57
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe
"C:\Users\Admin\AppData\Local\Temp\de7da11f23c0d9763fdd5c9676edf858.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 189.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/2828-0-0x0000000000950000-0x0000000000951000-memory.dmp
memory/2828-1-0x0000000000B90000-0x0000000000C79000-memory.dmp