c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/09/2026, 10:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe
Size 5.0MB
Sample260909-mb2gdavyfx
SHA256 c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5
MD5 5f8430227835881d5451bb0c083c2401
SHA1 52c921a7cea0d0471cfe61291a6c69345c2cde64
SHA512 4edfe6e655a1a8c6a8253554f59ab62d15875e074117408b1d5cc405ed09dabdbeae5744aea82b5b621b9366ffded54bc38976112908515596137addd1a192b2
SSDEEP 98304:8cMTdzQYSTc3SPrk6qRehso9cNr+R9hOscUF3xnxQF3jQ0snIYmORMwFFaXUF:8cMTd8Yx3CkdoWNr+zgQ9x03jQ0snxR9
TLSH
T16E3633A2ACC16170D053C3F54669207DFA79BF628A64BE17BBDC2D08CD8BA14593E7C4
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 1432 created 4484	1432	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
1432	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 1432 set thread context of 3844	1432	LockAppHost14a02b.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
4512	sc.exe
2084	sc.exe
3240	sc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3600	c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe
3600	c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe
1432	LockAppHost14a02b.exe
1432	LockAppHost14a02b.exe
1432	LockAppHost14a02b.exe
1432	LockAppHost14a02b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3600	c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	LockAppHost14a02b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 4512	3600	c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe	89
PID 3600 wrote to memory of 2084	3600	c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe	91
PID 3600 wrote to memory of 3240	3600	c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe	93
PID 1432 wrote to memory of 3844	1432	LockAppHost14a02b.exe	96

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:4484
- C:\Users\Admin\AppData\Local\Temp\c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe
  "C:\Users\Admin\AppData\Local\Temp\c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3600
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" delete "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:4512
- - 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:2084
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" start "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:3240
- C:\Windows\System32\nslookup.exe
  "C:\Windows\System32\nslookup.exe"
  2⤵
  PID:3844

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:1432

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

Replay Monitor

Loading Replay Monitor...

Downloads

LockAppHost14a02b.exe

Path C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
Size 5.0MB
SHA256 c66d2b77b9e85c53391891212413ad9a99eb66f4b11c6a431e78884a5b2651e5
MD5 5f8430227835881d5451bb0c083c2401
SHA1 52c921a7cea0d0471cfe61291a6c69345c2cde64
SHA512 4edfe6e655a1a8c6a8253554f59ab62d15875e074117408b1d5cc405ed09dabdbeae5744aea82b5b621b9366ffded54bc38976112908515596137addd1a192b2
SSDEEP 98304:8cMTdzQYSTc3SPrk6qRehso9cNr+R9hOscUF3xnxQF3jQ0snIYmORMwFFaXUF:8cMTd8Yx3CkdoWNr+zgQ9x03jQ0snxR9
TLSH
T16E3633A2ACC16170D053C3F54669207DFA79BF628A64BE17BBDC2D08CD8BA14593E7C4
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1432-23-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/1432-22-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/1432-11-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/3600-5-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/3600-0-0x0000000140239000-0x00000001403E9000-memory.dmp

Download

memory/3600-9-0x0000000140239000-0x00000001403E9000-memory.dmp

Download

memory/3600-8-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/3600-7-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/3600-1-0x00007FFA7B570000-0x00007FFA7B572000-memory.dmp

Download

memory/3600-6-0x0000000000560000-0x0000000000561000-memory.dmp

Download

memory/3600-3-0x0000000140000000-0x00000001408E5000-memory.dmp

Download

memory/3844-17-0x0000000140000000-0x0000000140231000-memory.dmp

Download