fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309

Analysis

max time kernel
38s
max time network
36s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 00:01

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General

Target
fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe
Size 5.0MB
Sample260821-aa2pjacm71
SHA256 fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309
MD5 7f47881dc207b40b3a3a2725b7d074b2
SHA1 2be8f65ded58b65e0e5b830bc76e90ccb4d94394
SHA512 70df0273a44eee3334bd6b4bf65a7f53353da89729edc9aed2f829744d47d57744b17e0f1e9bcc50a87a52d357f61257a34809deee7f8606fa71aae8a10ef74f
SSDEEP 98304:2XZ5+7x3RYl7xoasvoy3uqYu/t7jTVn9hEMMADozcIVqPK/kGGPzBqqq/x:2rax3uLstuqFLV9hRbrIVqy/vGrcV
TLSH
T1893633A6AD8B80B0D147C7F5916374ACB33F7B990964BD1A76CC29884E96F00A53F3C1
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 4576 created 2628	4576	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
4576	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 4576 set thread context of 4484	4576	LockAppHost14a02b.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
4252	sc.exe
4772	sc.exe
5940	sc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4172	fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe
4172	fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe
4576	LockAppHost14a02b.exe
4576	LockAppHost14a02b.exe
4576	LockAppHost14a02b.exe
4576	LockAppHost14a02b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4172	fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4576	LockAppHost14a02b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 4252	4172	fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe	89
PID 4172 wrote to memory of 4772	4172	fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe	91
PID 4172 wrote to memory of 5940	4172	fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe	93
PID 4576 wrote to memory of 4484	4576	LockAppHost14a02b.exe	96

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:2628
- C:\Users\Admin\AppData\Local\Temp\fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe
  "C:\Users\Admin\AppData\Local\Temp\fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" delete "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:4252
- - 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:4772
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" start "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:5940
- C:\Windows\System32\nslookup.exe
  "C:\Windows\System32\nslookup.exe"
  2⤵
  PID:4484

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:4576

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

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Downloads

LockAppHost14a02b.exe

Path C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
Size 5.0MB
SHA256 fe90b0f1eb82ff6918fa8bfdf9b3b9b6150ca27fe910f8899241d07a2e57a309
MD5 7f47881dc207b40b3a3a2725b7d074b2
SHA1 2be8f65ded58b65e0e5b830bc76e90ccb4d94394
SHA512 70df0273a44eee3334bd6b4bf65a7f53353da89729edc9aed2f829744d47d57744b17e0f1e9bcc50a87a52d357f61257a34809deee7f8606fa71aae8a10ef74f
SSDEEP 98304:2XZ5+7x3RYl7xoasvoy3uqYu/t7jTVn9hEMMADozcIVqPK/kGGPzBqqq/x:2rax3uLstuqFLV9hRbrIVqy/vGrcV
TLSH
T1893633A6AD8B80B0D147C7F5916374ACB33F7B990964BD1A76CC29884E96F00A53F3C1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4172-5-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4172-7-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4172-2-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4172-9-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4172-10-0x0000000140239000-0x00000001403EE000-memory.dmp

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memory/4172-0-0x0000000140239000-0x00000001403EE000-memory.dmp

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memory/4172-1-0x00007FF861D50000-0x00007FF861D52000-memory.dmp

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memory/4172-6-0x0000000000560000-0x0000000000561000-memory.dmp

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memory/4484-18-0x0000000140000000-0x0000000140231000-memory.dmp

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memory/4576-17-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4576-23-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4576-24-0x0000000140000000-0x00000001408F6000-memory.dmp

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memory/4576-13-0x0000000140000000-0x00000001408F6000-memory.dmp

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