Analysis Overview
SHA256
ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95
Threat Level: Shows suspicious behavior
The file ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 12:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 12:48
Reported
2024-11-11 12:51
Platform
win7-20241010-en
Max time kernel
119s
Max time network
16s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2500 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
| PID 2500 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
| PID 2500 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
| PID 2500 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe
"C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2500-0-0x0000000000400000-0x000000000040D000-memory.dmp
memory/2500-3-0x0000000000220000-0x000000000022D000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 90805c5a1f3f64dddb97d2d326604347 |
| SHA1 | f49fbbaedf849cf83372344275f471c0fff465cf |
| SHA256 | 590f3b9ec434927a88a8c03460076ca799b5e3936bdeec2e0cacc3d6fe491c21 |
| SHA512 | 2decd8a8bedaedd0395d3c36d0e73cde441db6209067d70aa7ccf86ec381089b179daf8e2b7329da92644bdf6901c297bc11418f0179106b22d7e291b9a49a5d |
memory/2444-9-0x0000000000400000-0x000000000040D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 12:48
Reported
2024-11-11 12:51
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
95s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\microsofthelp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4380 wrote to memory of 4564 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
| PID 4380 wrote to memory of 4564 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
| PID 4380 wrote to memory of 4564 | N/A | C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe
"C:\Users\Admin\AppData\Local\Temp\ab9712402e261ee7f3081bd9fb0b1061849f698bf64d3bf7e5259df9c4f8ec95N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4380-0-0x0000000000400000-0x000000000040D000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 90805c5a1f3f64dddb97d2d326604347 |
| SHA1 | f49fbbaedf849cf83372344275f471c0fff465cf |
| SHA256 | 590f3b9ec434927a88a8c03460076ca799b5e3936bdeec2e0cacc3d6fe491c21 |
| SHA512 | 2decd8a8bedaedd0395d3c36d0e73cde441db6209067d70aa7ccf86ec381089b179daf8e2b7329da92644bdf6901c297bc11418f0179106b22d7e291b9a49a5d |
memory/4380-5-0x0000000000400000-0x000000000040D000-memory.dmp
memory/4564-6-0x0000000000400000-0x000000000040D000-memory.dmp