darkcomet | 4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1

Processes:

4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\winlogon.exe"	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe

Modifies firewall policy service 2 TTPs 6 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Processes:

winlogon.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	iexplore.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winlogon.exe

Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2660 attrib.exe
2720 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

winlogon.exe

pid process

2736 winlogon.exe

pid	process
2660	attrib.exe
2720	attrib.exe

pid	process
2736	winlogon.exe

Loads dropped DLL 2 IoCs

Processes:

4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe

pid	process
1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1860-0-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
\Windows\SysWOW64\winlogon.exe	upx
behavioral1/memory/2736-15-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1860-12-0x0000000004480000-0x0000000004547000-memory.dmp	upx
behavioral1/memory/2736-19-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/2752-17-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1860-59-0x0000000000400000-0x00000000004C7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exewinlogon.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\system32\\winlogon.exe"	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\system32\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\system32\\winlogon.exe"	iexplore.exe

Drops file in System32 directory 3 IoCs

Processes:

4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\winlogon.exe	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\winlogon.exe	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

winlogon.exe

description pid process target process

PID 2736 set thread context of 2752 2736 winlogon.exe iexplore.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2752 iexplore.exe

description	pid	process	target process
PID 2736 set thread context of 2752	2736	winlogon.exe	iexplore.exe

pid	process
2752	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exewinlogon.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeSecurityPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeTakeOwnershipPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeLoadDriverPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeSystemProfilePrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeSystemtimePrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeProfSingleProcessPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeIncBasePriorityPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeCreatePagefilePrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeBackupPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeRestorePrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeShutdownPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeDebugPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeSystemEnvironmentPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeChangeNotifyPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeRemoteShutdownPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeUndockPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeManageVolumePrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeImpersonatePrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeCreateGlobalPrivilege	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: 33	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: 34	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: 35	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
Token: SeIncreaseQuotaPrivilege	2736	winlogon.exe
Token: SeSecurityPrivilege	2736	winlogon.exe
Token: SeTakeOwnershipPrivilege	2736	winlogon.exe
Token: SeLoadDriverPrivilege	2736	winlogon.exe
Token: SeSystemProfilePrivilege	2736	winlogon.exe
Token: SeSystemtimePrivilege	2736	winlogon.exe
Token: SeProfSingleProcessPrivilege	2736	winlogon.exe
Token: SeIncBasePriorityPrivilege	2736	winlogon.exe
Token: SeCreatePagefilePrivilege	2736	winlogon.exe
Token: SeBackupPrivilege	2736	winlogon.exe
Token: SeRestorePrivilege	2736	winlogon.exe
Token: SeShutdownPrivilege	2736	winlogon.exe
Token: SeDebugPrivilege	2736	winlogon.exe
Token: SeSystemEnvironmentPrivilege	2736	winlogon.exe
Token: SeChangeNotifyPrivilege	2736	winlogon.exe
Token: SeRemoteShutdownPrivilege	2736	winlogon.exe
Token: SeUndockPrivilege	2736	winlogon.exe
Token: SeManageVolumePrivilege	2736	winlogon.exe
Token: SeImpersonatePrivilege	2736	winlogon.exe
Token: SeCreateGlobalPrivilege	2736	winlogon.exe
Token: 33	2736	winlogon.exe
Token: 34	2736	winlogon.exe
Token: 35	2736	winlogon.exe
Token: SeIncreaseQuotaPrivilege	2752	iexplore.exe
Token: SeSecurityPrivilege	2752	iexplore.exe
Token: SeTakeOwnershipPrivilege	2752	iexplore.exe
Token: SeLoadDriverPrivilege	2752	iexplore.exe
Token: SeSystemProfilePrivilege	2752	iexplore.exe
Token: SeSystemtimePrivilege	2752	iexplore.exe
Token: SeProfSingleProcessPrivilege	2752	iexplore.exe
Token: SeIncBasePriorityPrivilege	2752	iexplore.exe
Token: SeCreatePagefilePrivilege	2752	iexplore.exe
Token: SeBackupPrivilege	2752	iexplore.exe
Token: SeRestorePrivilege	2752	iexplore.exe
Token: SeShutdownPrivilege	2752	iexplore.exe
Token: SeDebugPrivilege	2752	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2752	iexplore.exe
Token: SeChangeNotifyPrivilege	2752	iexplore.exe
Token: SeRemoteShutdownPrivilege	2752	iexplore.exe
Token: SeUndockPrivilege	2752	iexplore.exe
Token: SeManageVolumePrivilege	2752	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

iexplore.exe

pid process

2752 iexplore.exe

pid	process
2752	iexplore.exe

Suspicious use of WriteProcessMemory 49 IoCs

Processes:

4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.execmd.execmd.exewinlogon.exeiexplore.exe

description	pid	process	target process
PID 1860 wrote to memory of 2264	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2264	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2264	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2264	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2140	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2140	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2140	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 1860 wrote to memory of 2140	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	cmd.exe
PID 2264 wrote to memory of 2660	2264	cmd.exe	attrib.exe
PID 2264 wrote to memory of 2660	2264	cmd.exe	attrib.exe
PID 2264 wrote to memory of 2660	2264	cmd.exe	attrib.exe
PID 2264 wrote to memory of 2660	2264	cmd.exe	attrib.exe
PID 2140 wrote to memory of 2720	2140	cmd.exe	attrib.exe
PID 2140 wrote to memory of 2720	2140	cmd.exe	attrib.exe
PID 2140 wrote to memory of 2720	2140	cmd.exe	attrib.exe
PID 2140 wrote to memory of 2720	2140	cmd.exe	attrib.exe
PID 1860 wrote to memory of 2736	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	winlogon.exe
PID 1860 wrote to memory of 2736	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	winlogon.exe
PID 1860 wrote to memory of 2736	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	winlogon.exe
PID 1860 wrote to memory of 2736	1860	4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe	winlogon.exe
PID 2736 wrote to memory of 2752	2736	winlogon.exe	iexplore.exe
PID 2736 wrote to memory of 2752	2736	winlogon.exe	iexplore.exe
PID 2736 wrote to memory of 2752	2736	winlogon.exe	iexplore.exe
PID 2736 wrote to memory of 2752	2736	winlogon.exe	iexplore.exe
PID 2736 wrote to memory of 2752	2736	winlogon.exe	iexplore.exe
PID 2736 wrote to memory of 2752	2736	winlogon.exe	iexplore.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe
PID 2752 wrote to memory of 2464	2752	iexplore.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2660 attrib.exe
2720 attrib.exe

pid	process
2660	attrib.exe
2720	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\4a05ce132b97e62e2d53803e7f89d02bd3c57424e62699aea43c098fc1455fa1_NeikiAnalytics.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2720

C:\Windows\SysWOW64\winlogon.exe
"C:\Windows\system32\winlogon.exe"
2⤵
- Modifies firewall policy service
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Modifies firewall policy service
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\notepad.exe
notepad
4⤵
PID:2464

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

3

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery