Analysis Overview
SHA256
a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e
Threat Level: Known bad
The file a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Boot or Logon Autostart Execution: Active Setup
Event Triggered Execution: Image File Execution Options Injection
Loads dropped DLL
Windows security modification
Executes dropped EXE
Modifies WinLogon
Indicator Removal: Clear Persistence
UPX packed file
Drops file in System32 directory
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-14 01:20
Signatures
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-14 01:20
Reported
2024-11-14 01:23
Platform
win7-20240729-en
Max time kernel
149s
Max time network
121s
Command Line
Signatures
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58454355-444e-4344-5845-4355444E4344} | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58454355-444e-4344-5845-4355444E4344}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58454355-444e-4344-5845-4355444E4344}\IsInstalled = "1" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{58454355-444e-4344-5845-4355444E4344}\StubPath = "C:\\Windows\\system32\\unlirik.exe" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Event Triggered Execution: Image File Execution Options Injection
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\oxmearoax-oufom.exe" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Indicator Removal: Clear Persistence
| Description | Indicator | Process | Target |
| Delete value | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger | C:\Windows\SysWOW64\issefeh.exe | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\uvbecood.dll" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\issefeh.exe | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| File created | C:\Windows\SysWOW64\oxmearoax-oufom.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\unlirik.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\rmass.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ahuy.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File created | C:\Windows\SysWOW64\issefeh.exe | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\oxmearoax-oufom.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File created | C:\Windows\SysWOW64\unlirik.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File created | C:\Windows\SysWOW64\uvbecood.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\idbg32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ntdbg.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\RECOVER32.DLL | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\gymspzd.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\issefeh.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\uvbecood.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\winrnt.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\aset32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\System\ahuy.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\idbg32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\ntdbg.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\RECOVER32.DLL | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\gymspzd.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\winrnt.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\rmass.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\aset32.exe | C:\Windows\SysWOW64\issefeh.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\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\issefeh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe
"C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe"
C:\Windows\SysWOW64\issefeh.exe
"C:\Windows\system32\issefeh.exe"
C:\Windows\SysWOW64\issefeh.exe
--k33p
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | qzkresafnyeef.museum | udp |
| US | 8.8.8.8:53 | qzkresafnyeef.museum | udp |
Files
memory/2124-0-0x0000000000400000-0x0000000000417000-memory.dmp
\Windows\SysWOW64\issefeh.exe
| MD5 | 43641196e0d4c8995133d4d3c721a0c4 |
| SHA1 | 422ef769e8eaf0ef26ebb71b43d3f762a25dadce |
| SHA256 | a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e |
| SHA512 | eb00d08f1dbcf2aed302d4499d6589ff1e5f73ad7986804668d0c2a0b0c1009e2f4c556a386e4340a789098f32604e6f3c4ac286a3a66c72ae94a96a2e4f681b |
memory/2352-24-0x00000000003E0000-0x00000000003F7000-memory.dmp
memory/2124-11-0x0000000000400000-0x0000000000417000-memory.dmp
C:\Windows\SysWOW64\unlirik.exe
| MD5 | 0dda6f4cc1d390b630cf029f37dda6c0 |
| SHA1 | 75cf7e3f84a85b62f95600781be1c8c8ef7a4979 |
| SHA256 | aa3e37986b084fe4b78b91bc26131d0f96af5edcd8a796df087eb4ee31b164d6 |
| SHA512 | 6e3c7ab2a08840f92e7f557561c76935442dc75ed06bd28907758a1e807d800a6a58f7e46c0607fd959f1925e749372b9a18e5d2b39483939b7a60fc3efb7b7b |
C:\Windows\SysWOW64\oxmearoax-oufom.exe
| MD5 | 9bc1c0393daeb23fd75fd7bbd5759846 |
| SHA1 | 8e2f15034edce62a61f64b5416191d9ae3e05e4e |
| SHA256 | 9e176d6fe0e7f192ddfa8c0a24157e951f342f7cb710974ee85e39caff782c4d |
| SHA512 | 6a7ba5d38fea83d96432eb3a9618518b9fce8c748d6ddaf5e94a37617127e8b08d84f66422ad6505e46b3f3492b3b77b8451eda75e683617cd102b385e78f414 |
C:\Windows\SysWOW64\uvbecood.dll
| MD5 | c8521a5fdd1c9387d536f599d850b195 |
| SHA1 | a543080665107b7e32bcc1ed19dbfbc1d2931356 |
| SHA256 | fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5 |
| SHA512 | 541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd |
memory/2352-46-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1376-53-0x0000000000400000-0x0000000000417000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-14 01:20
Reported
2024-11-14 01:23
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594841-534f-4c53-4759-4841534F4c53} | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594841-534f-4c53-4759-4841534F4c53}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594841-534f-4c53-4759-4841534F4c53}\IsInstalled = "1" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{47594841-534f-4c53-4759-4841534F4c53}\StubPath = "C:\\Windows\\system32\\unlirik.exe" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Event Triggered Execution: Image File Execution Options Injection
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\oxmearoax-oufom.exe" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "24064" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Indicator Removal: Clear Persistence
| Description | Indicator | Process | Target |
| Delete value | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger | C:\Windows\SysWOW64\issefeh.exe | N/A |
Modifies WinLogon
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\uvbecood.dll" | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" | C:\Windows\SysWOW64\issefeh.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\RECOVER32.DLL | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File created | C:\Windows\SysWOW64\oxmearoax-oufom.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\aset32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ntdbg.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\unlirik.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\uvbecood.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\winrnt.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\gymspzd.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\rmass.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ahuy.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\idbg32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File created | C:\Windows\SysWOW64\unlirik.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File created | C:\Windows\SysWOW64\uvbecood.dll | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\issefeh.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\issefeh.exe | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| File created | C:\Windows\SysWOW64\issefeh.exe | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\oxmearoax-oufom.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\System\winrnt.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\rmass.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\aset32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\ahuy.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\idbg32.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\ntdbg.exe | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\RECOVER32.DLL | C:\Windows\SysWOW64\issefeh.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\System\gymspzd.dll | C:\Windows\SysWOW64\issefeh.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\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\issefeh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\issefeh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\issefeh.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe
"C:\Users\Admin\AppData\Local\Temp\a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e.exe"
C:\Windows\SysWOW64\issefeh.exe
"C:\Windows\system32\issefeh.exe"
C:\Windows\SysWOW64\issefeh.exe
--k33p
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | huyuunihuasqt.nu | udp |
| US | 8.8.8.8:53 | huyuunihuasqt.nu | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 181.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |
Files
memory/3608-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3608-7-0x0000000000400000-0x0000000000417000-memory.dmp
C:\Windows\SysWOW64\issefeh.exe
| MD5 | 43641196e0d4c8995133d4d3c721a0c4 |
| SHA1 | 422ef769e8eaf0ef26ebb71b43d3f762a25dadce |
| SHA256 | a81b318fbfd733366340305a6f77bd73e879049b26d1a5e42c3e59f424fe822e |
| SHA512 | eb00d08f1dbcf2aed302d4499d6589ff1e5f73ad7986804668d0c2a0b0c1009e2f4c556a386e4340a789098f32604e6f3c4ac286a3a66c72ae94a96a2e4f681b |
memory/2204-18-0x0000000000400000-0x0000000000417000-memory.dmp
C:\Windows\SysWOW64\unlirik.exe
| MD5 | e7a1fbed67fc3033d1b5cc03310738ca |
| SHA1 | 9ccd88d01d67c707da5f761df7bf1e207b7ca057 |
| SHA256 | db3b5db27054d6a0a56fed966ebab40fa4d4458ac8c5704b197afcf131f7bc44 |
| SHA512 | 0eca117ba3e16b4c308aac48a0aee875c0ab99286f43c0113abcf5c8c11f52e03883e29d345e61735c9011ea546c9915495b9aa302b43f4170775f83cd455d7a |
C:\Windows\SysWOW64\oxmearoax-oufom.exe
| MD5 | 57f2c38551635b60b2279fbdb3066602 |
| SHA1 | b96eec99d8eb667e06d36fb48da77e3e95d9f24f |
| SHA256 | a141ebd75f87ab6f313bcd3f135593f7ffe89e1de2984550fd587924f49503a7 |
| SHA512 | 699b1e0c2cd7a308ee79a6d68b7c7e97a459e47dd0508790251e74ab133ac957ebb4d188dffa298029e697bc08b003fd36fe2157e3a6886c950c4991e9430fa4 |
C:\Windows\SysWOW64\uvbecood.dll
| MD5 | c8521a5fdd1c9387d536f599d850b195 |
| SHA1 | a543080665107b7e32bcc1ed19dbfbc1d2931356 |
| SHA256 | fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5 |
| SHA512 | 541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd |
memory/3884-43-0x0000000000400000-0x0000000000417000-memory.dmp