866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 22:45

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General

Target
866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe
Size 5.0MB
Sample260810-2plqeavzdv
SHA256 866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41
MD5 4e13b5835a5d12e0b6099b88292ff0ff
SHA1 c445bd832786c794b03aa4c2b7cdfc5628801823
SHA512 4a101a43427f9034adc6762e47b44b873d6746401a1cdb1611341c809071f84785b6d9c4ca67623edf4f1b168a33df226e5c44bc2437b682f4dc20f50287294b
SSDEEP 98304:zWTGeP2Vi4Lx7By+A0pMgBnXr308USgeoP0suSwsvsTkuJvchEzRHpaszbO:zWMr7syXQc5ofuSriyqb
TLSH
T1E73633D265CB007AC442C7B4C656B07C717A3B898A723C1777EC7A248E6BB29293D3C5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion execution persistence

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 5216 created 3116	5216	LockAppHost14a02b.exe	81

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
5216	LockAppHost14a02b.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5216 set thread context of 732	5216	LockAppHost14a02b.exe	95

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1808	sc.exe
5912	sc.exe
4512	sc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2028	866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe
2028	866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe
5216	LockAppHost14a02b.exe
5216	LockAppHost14a02b.exe
5216	LockAppHost14a02b.exe
5216	LockAppHost14a02b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2028	866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5216	LockAppHost14a02b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1808	2028	866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe	88
PID 2028 wrote to memory of 5912	2028	866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe	90
PID 2028 wrote to memory of 4512	2028	866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe	92
PID 5216 wrote to memory of 732	5216	LockAppHost14a02b.exe	95

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:3116
- C:\Users\Admin\AppData\Local\Temp\866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe
  "C:\Users\Admin\AppData\Local\Temp\866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" delete "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:1808
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" create "MicrosoftEdgeUpdateTaskMachine_3aa5" binpath= "C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:5912
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" start "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:4512
- C:\Windows\System32\nslookup.exe
  "C:\Windows\System32\nslookup.exe"
  2⤵
  PID:732

C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5216

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

LockAppHost14a02b.exe

Path C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
Size 5.0MB
SHA256 866d659393017609c685b1c0187f13a4afdf43a4b8139275f1487a2187303d41
MD5 4e13b5835a5d12e0b6099b88292ff0ff
SHA1 c445bd832786c794b03aa4c2b7cdfc5628801823
SHA512 4a101a43427f9034adc6762e47b44b873d6746401a1cdb1611341c809071f84785b6d9c4ca67623edf4f1b168a33df226e5c44bc2437b682f4dc20f50287294b
SSDEEP 98304:zWTGeP2Vi4Lx7By+A0pMgBnXr308USgeoP0suSwsvsTkuJvchEzRHpaszbO:zWMr7syXQc5ofuSriyqb
TLSH
T1E73633D265CB007AC442C7B4C656B07C717A3B898A723C1777EC7A248E6BB29293D3C5
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/732-19-0x0000000140000000-0x0000000140231000-memory.dmp

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memory/2028-8-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/2028-7-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/2028-6-0x00000000004C0000-0x00000000004C1000-memory.dmp

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memory/2028-2-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/2028-0-0x0000000140239000-0x00000001403E7000-memory.dmp

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memory/2028-9-0x0000000140239000-0x00000001403E7000-memory.dmp

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memory/2028-5-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/2028-1-0x00007FFC471B0000-0x00007FFC471B2000-memory.dmp

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memory/5216-11-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/5216-18-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/5216-17-0x0000000140000000-0x00000001408E0000-memory.dmp

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memory/5216-24-0x0000000140000000-0x00000001408E0000-memory.dmp

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