darkcomet | eba350227560d9ced91f4d3d85758edeca142d387cb2156dc9e169aaa0a4e6c6

System Information Discovery

Processes:

92f143956b9a12540154e290c4e62564.exed3dref9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	92f143956b9a12540154e290c4e62564.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	d3dref9.exe

Executes dropped EXE 3 IoCs

Processes:

d3dref9.exeifsutilx.exeifsutilx.exe

pid process

2248 d3dref9.exe
4232 ifsutilx.exe
4520 ifsutilx.exe

pid	process
2248	d3dref9.exe
4232	ifsutilx.exe
4520	ifsutilx.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d3dref9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\d3dref9.exe"	d3dref9.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

92f143956b9a12540154e290c4e62564.exeifsutilx.exeifsutilx.exe

description	pid	process	target process
PID 5028 set thread context of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 4232 set thread context of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4520 set thread context of 2044	4520	ifsutilx.exe	AppLaunch.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

92f143956b9a12540154e290c4e62564.exed3dref9.exeifsutilx.exeifsutilx.exe

pid	process
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
4232	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
4232	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe
5028	92f143956b9a12540154e290c4e62564.exe
4520	ifsutilx.exe
2248	d3dref9.exe
5028	92f143956b9a12540154e290c4e62564.exe
2248	d3dref9.exe
4520	ifsutilx.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

92f143956b9a12540154e290c4e62564.exeAppLaunch.exed3dref9.exeifsutilx.exedw20.exeAppLaunch.exeifsutilx.exeAppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	5028	92f143956b9a12540154e290c4e62564.exe
Token: SeIncreaseQuotaPrivilege	208	AppLaunch.exe
Token: SeSecurityPrivilege	208	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	208	AppLaunch.exe
Token: SeLoadDriverPrivilege	208	AppLaunch.exe
Token: SeSystemProfilePrivilege	208	AppLaunch.exe
Token: SeSystemtimePrivilege	208	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	208	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	208	AppLaunch.exe
Token: SeCreatePagefilePrivilege	208	AppLaunch.exe
Token: SeBackupPrivilege	208	AppLaunch.exe
Token: SeRestorePrivilege	208	AppLaunch.exe
Token: SeShutdownPrivilege	208	AppLaunch.exe
Token: SeDebugPrivilege	208	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	208	AppLaunch.exe
Token: SeChangeNotifyPrivilege	208	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	208	AppLaunch.exe
Token: SeUndockPrivilege	208	AppLaunch.exe
Token: SeManageVolumePrivilege	208	AppLaunch.exe
Token: SeImpersonatePrivilege	208	AppLaunch.exe
Token: SeCreateGlobalPrivilege	208	AppLaunch.exe
Token: 33	208	AppLaunch.exe
Token: 34	208	AppLaunch.exe
Token: 35	208	AppLaunch.exe
Token: 36	208	AppLaunch.exe
Token: SeDebugPrivilege	2248	d3dref9.exe
Token: SeDebugPrivilege	4232	ifsutilx.exe
Token: SeRestorePrivilege	3764	dw20.exe
Token: SeBackupPrivilege	3764	dw20.exe
Token: SeIncreaseQuotaPrivilege	4812	AppLaunch.exe
Token: SeSecurityPrivilege	4812	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	4812	AppLaunch.exe
Token: SeLoadDriverPrivilege	4812	AppLaunch.exe
Token: SeSystemProfilePrivilege	4812	AppLaunch.exe
Token: SeSystemtimePrivilege	4812	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	4812	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	4812	AppLaunch.exe
Token: SeCreatePagefilePrivilege	4812	AppLaunch.exe
Token: SeBackupPrivilege	4812	AppLaunch.exe
Token: SeRestorePrivilege	4812	AppLaunch.exe
Token: SeShutdownPrivilege	4812	AppLaunch.exe
Token: SeDebugPrivilege	4812	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	4812	AppLaunch.exe
Token: SeChangeNotifyPrivilege	4812	AppLaunch.exe
Token: SeBackupPrivilege	3764	dw20.exe
Token: SeRemoteShutdownPrivilege	4812	AppLaunch.exe
Token: SeUndockPrivilege	4812	AppLaunch.exe
Token: SeManageVolumePrivilege	4812	AppLaunch.exe
Token: SeImpersonatePrivilege	4812	AppLaunch.exe
Token: SeCreateGlobalPrivilege	4812	AppLaunch.exe
Token: 33	4812	AppLaunch.exe
Token: 34	4812	AppLaunch.exe
Token: 35	4812	AppLaunch.exe
Token: 36	4812	AppLaunch.exe
Token: SeBackupPrivilege	3764	dw20.exe
Token: SeDebugPrivilege	4520	ifsutilx.exe
Token: SeIncreaseQuotaPrivilege	2044	AppLaunch.exe
Token: SeSecurityPrivilege	2044	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	2044	AppLaunch.exe
Token: SeLoadDriverPrivilege	2044	AppLaunch.exe
Token: SeSystemProfilePrivilege	2044	AppLaunch.exe
Token: SeSystemtimePrivilege	2044	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	2044	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	2044	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AppLaunch.exe

pid process

2044 AppLaunch.exe

pid	process
2044	AppLaunch.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

92f143956b9a12540154e290c4e62564.exed3dref9.exeifsutilx.exeifsutilx.exe

description	pid	process	target process
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 208	5028	92f143956b9a12540154e290c4e62564.exe	AppLaunch.exe
PID 5028 wrote to memory of 2248	5028	92f143956b9a12540154e290c4e62564.exe	d3dref9.exe
PID 5028 wrote to memory of 2248	5028	92f143956b9a12540154e290c4e62564.exe	d3dref9.exe
PID 5028 wrote to memory of 2248	5028	92f143956b9a12540154e290c4e62564.exe	d3dref9.exe
PID 2248 wrote to memory of 4232	2248	d3dref9.exe	ifsutilx.exe
PID 2248 wrote to memory of 4232	2248	d3dref9.exe	ifsutilx.exe
PID 2248 wrote to memory of 4232	2248	d3dref9.exe	ifsutilx.exe
PID 4232 wrote to memory of 3764	4232	ifsutilx.exe	dw20.exe
PID 4232 wrote to memory of 3764	4232	ifsutilx.exe	dw20.exe
PID 4232 wrote to memory of 3764	4232	ifsutilx.exe	dw20.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 4232 wrote to memory of 4812	4232	ifsutilx.exe	AppLaunch.exe
PID 2248 wrote to memory of 4520	2248	d3dref9.exe	ifsutilx.exe
PID 2248 wrote to memory of 4520	2248	d3dref9.exe	ifsutilx.exe
PID 2248 wrote to memory of 4520	2248	d3dref9.exe	ifsutilx.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe
PID 4520 wrote to memory of 2044	4520	ifsutilx.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\92f143956b9a12540154e290c4e62564.exe
"C:\Users\Admin\AppData\Local\Temp\92f143956b9a12540154e290c4e62564.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028

C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:208

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\d3dref9.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\d3dref9.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248

C:\Users\Admin\AppData\Local\Temp\ifsutilx.exe
"C:\Users\Admin\AppData\Local\Temp\ifsutilx.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520

C:\Users\Admin\AppData\Local\Temp\ifsutilx.exe
"C:\Users\Admin\AppData\Local\Temp\ifsutilx.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 448
2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3764

C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4812

C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2044

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

4