04d85914871db991187661b756e878c545e71e41705fe4c027f85a5bf6e58c9b

General

Target

351fc04c0361cfb9608263ce035063f1.exe
Size

490KB
MD5

351fc04c0361cfb9608263ce035063f1
SHA1

73422958618c9d984ed4ef4c2ba8a60a4ea63436
SHA256

04d85914871db991187661b756e878c545e71e41705fe4c027f85a5bf6e58c9b
SHA512

433c00ff7fe9b83084d5562661b0955378d930713e1a35112197e61ddae4db1fcf755f6082bcaa2a562faf7b4670da17c32dabab342888bec0a191277918934e
SSDEEP

6144:inJdiMUWMkEXe5npiM1VzRMwiKwZGg5IAHtdGlIS+Ln8mAzUoFr:sdiMUWMkEep91VVMvKI95IQ0lm78mAZ

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	hidserv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	hidserv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	hidserv.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\hidserv.exe"	hidserv.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	351fc04c0361cfb9608263ce035063f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	351fc04c0361cfb9608263ce035063f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	hidserv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	hidserv.exe

Executes dropped EXE 2 IoCs

pid	Process
1148	hidserv.exe
5084	hidserv.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\hidserv.exe"	hidserv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\hidserv.exe"	hidserv.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 1148 set thread context of 5084	1148	hidserv.exe	94

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C266174-2C26-6174-2C26-61742C266174}\InProcServer32\ThreadingModel = "Both"	351fc04c0361cfb9608263ce035063f1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C266174-2C26-6174-2C26-61742C266174}	hidserv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C266174-2C26-6174-2C26-61742C266174}	351fc04c0361cfb9608263ce035063f1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C266174-2C26-6174-2C26-61742C266174}\ = "HomeGroup Network"	351fc04c0361cfb9608263ce035063f1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C266174-2C26-6174-2C26-61742C266174}\InProcServer32	351fc04c0361cfb9608263ce035063f1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C266174-2C26-6174-2C26-61742C266174}\InProcServer32\ = "%SystemRoot%\\SysWow64\\provsvc.dll"	351fc04c0361cfb9608263ce035063f1.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1472	351fc04c0361cfb9608263ce035063f1.exe
1472	351fc04c0361cfb9608263ce035063f1.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe
5084	hidserv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2756	351fc04c0361cfb9608263ce035063f1.exe
Token: SeIncBasePriorityPrivilege	2756	351fc04c0361cfb9608263ce035063f1.exe
Token: 33	1148	hidserv.exe
Token: SeIncBasePriorityPrivilege	1148	hidserv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	351fc04c0361cfb9608263ce035063f1.exe
1148	hidserv.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 2756 wrote to memory of 1472	2756	351fc04c0361cfb9608263ce035063f1.exe	92
PID 1472 wrote to memory of 1148	1472	351fc04c0361cfb9608263ce035063f1.exe	93
PID 1472 wrote to memory of 1148	1472	351fc04c0361cfb9608263ce035063f1.exe	93
PID 1472 wrote to memory of 1148	1472	351fc04c0361cfb9608263ce035063f1.exe	93
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94
PID 1148 wrote to memory of 5084	1148	hidserv.exe	94

C:\Users\Admin\AppData\Local\Temp\351fc04c0361cfb9608263ce035063f1.exe
"C:\Users\Admin\AppData\Local\Temp\351fc04c0361cfb9608263ce035063f1.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\351fc04c0361cfb9608263ce035063f1.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Users\Admin\AppData\Roaming\hidserv.exe
    "C:\Users\Admin\AppData\Roaming\hidserv.exe"
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1148
  - - C:\Users\Admin\AppData\Roaming\hidserv.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      PID:5084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1148-44-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1148-40-0x00000000004B0000-0x00000000004F8000-memory.dmp

Filesize
288KB

Download
memory/1148-39-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1148-48-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/1148-46-0x00000000004B0000-0x00000000004F8000-memory.dmp

Filesize
288KB

Download
memory/1148-34-0x00000000004B0000-0x00000000004F8000-memory.dmp

Filesize
288KB

Download
memory/1148-29-0x00000000004B0000-0x00000000004F8000-memory.dmp

Filesize
288KB

Download
memory/1472-35-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1472-36-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1472-20-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1472-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2756-13-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2756-10-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2756-18-0x0000000000580000-0x00000000005C8000-memory.dmp

Filesize
288KB

Download
memory/2756-19-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2756-7-0x0000000000580000-0x00000000005C8000-memory.dmp

Filesize
288KB

Download
memory/2756-2-0x0000000000580000-0x00000000005C8000-memory.dmp

Filesize
288KB

Download
memory/2756-0-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2756-11-0x0000000000580000-0x00000000005C8000-memory.dmp

Filesize
288KB

Download
memory/5084-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5084-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5084-53-0x0000000000570000-0x000000000057B000-memory.dmp

Filesize
44KB

Download
memory/5084-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5084-67-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5084-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads