Analysis Overview
SHA256
acc5fe0088037ddc055f9286380c56583effa1186afe9d08caea3e197b2643fd
Threat Level: Known bad
The file acc5fe0088037ddc055f9286380c56583effa1186afe9d08caea3e197b2643fd was found to be: Known bad.
Malicious Activity Summary
Zloader, Terdot, DELoader, ZeusSphinx
Adds Run key to start application
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-25 21:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-25 21:28
Reported
2024-09-25 21:30
Platform
win7-20240708-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
Zloader, Terdot, DELoader, ZeusSphinx
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ufhu = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Toixpi\\arluo.dll,DllRegisterServer" | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2040 set thread context of 2812 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc5fe0088037ddc055f9286380c56583effa1186afe9d08caea3e197b2643fd.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc5fe0088037ddc055f9286380c56583effa1186afe9d08caea3e197b2643fd.dll,#1
C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
Network
Files
memory/2040-0-0x0000000000270000-0x000000000034A000-memory.dmp
memory/2040-2-0x0000000000270000-0x000000000034A000-memory.dmp
memory/2040-1-0x00000000002BF000-0x00000000002C2000-memory.dmp
memory/2040-3-0x0000000000270000-0x000000000034A000-memory.dmp
memory/2040-4-0x0000000000270000-0x000000000034A000-memory.dmp
memory/2812-6-0x00000000000D0000-0x0000000000101000-memory.dmp
memory/2812-8-0x0000000000110000-0x0000000000111000-memory.dmp
memory/2812-10-0x00000000000D0000-0x0000000000101000-memory.dmp
memory/2040-12-0x0000000000270000-0x000000000034A000-memory.dmp
memory/2812-13-0x00000000000D0000-0x0000000000101000-memory.dmp
memory/2812-15-0x00000000000D0000-0x0000000000101000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-25 21:28
Reported
2024-09-25 21:30
Platform
win10v2004-20240802-en
Max time kernel
95s
Max time network
127s
Command Line
Signatures
Zloader, Terdot, DELoader, ZeusSphinx
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Poode = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Ytamy\\sioqr.dll,DllRegisterServer" | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3576 set thread context of 1512 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\SysWOW64\msiexec.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1056 wrote to memory of 3576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1056 wrote to memory of 3576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1056 wrote to memory of 3576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3576 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
| PID 3576 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
| PID 3576 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
| PID 3576 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
| PID 3576 wrote to memory of 1512 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\msiexec.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc5fe0088037ddc055f9286380c56583effa1186afe9d08caea3e197b2643fd.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc5fe0088037ddc055f9286380c56583effa1186afe9d08caea3e197b2643fd.dll,#1
C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 110.11.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3576-0-0x0000000002240000-0x000000000231A000-memory.dmp
memory/3576-1-0x000000000228F000-0x0000000002292000-memory.dmp
memory/3576-2-0x0000000002240000-0x000000000231A000-memory.dmp
memory/3576-3-0x0000000002240000-0x000000000231A000-memory.dmp
memory/3576-4-0x0000000002240000-0x000000000231A000-memory.dmp
memory/3576-5-0x000000000228F000-0x0000000002292000-memory.dmp
memory/1512-8-0x00000000012F0000-0x0000000001321000-memory.dmp
memory/3576-10-0x0000000002240000-0x000000000231A000-memory.dmp