b7b1cf77eccf7fab42d83f57facdb1105d51050295a044ecdf75cc8280679788

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 13:11

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General

Target
mKM65Cf6QNqeOVw9.exe
Size 5.0MB
Sample260804-qfbnasfm2s
SHA256 b7b1cf77eccf7fab42d83f57facdb1105d51050295a044ecdf75cc8280679788
MD5 ba1a663e230ce317ae337b5d83046ee7
SHA1 7900cfedd44cd639839f0c4f6d382e62fd541046
SHA512 6960616cedc118240f27bccf0ba2527439f661029af18825fb6475b5ca6e4c80cb402cde72b86ba0d02d2b3c587b5883ee584f0c64634e98dd6b5a246b6058cc
SSDEEP 98304:6eEZUQ9DLUUK09ofcc9uFsX4luxO/39bAOnnYBsvUQeOyj:5AXRTMuqIu2FvUQe
TLSH
T1D1363380BCC299B5D4A6C3FC595374BDF33ABBB28564BC1576ED28044DAEE24253E780
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 5852 created 3692	5852	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
5852	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 5852 set thread context of 5208	5852	LockAppHost14a02b.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
5844	sc.exe
5784	sc.exe
3016	sc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1140	mKM65Cf6QNqeOVw9.exe
1140	mKM65Cf6QNqeOVw9.exe
5852	LockAppHost14a02b.exe
5852	LockAppHost14a02b.exe
5852	LockAppHost14a02b.exe
5852	LockAppHost14a02b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1140	mKM65Cf6QNqeOVw9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5852	LockAppHost14a02b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 5844	1140	mKM65Cf6QNqeOVw9.exe	89
PID 1140 wrote to memory of 5784	1140	mKM65Cf6QNqeOVw9.exe	91
PID 1140 wrote to memory of 3016	1140	mKM65Cf6QNqeOVw9.exe	93
PID 5852 wrote to memory of 5208	5852	LockAppHost14a02b.exe	96

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:3692
- C:\Users\Admin\AppData\Local\Temp\mKM65Cf6QNqeOVw9.exe
  "C:\Users\Admin\AppData\Local\Temp\mKM65Cf6QNqeOVw9.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" delete "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:5844
- - 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:5784
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" start "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:3016
- C:\Windows\System32\nslookup.exe
  "C:\Windows\System32\nslookup.exe"
  2⤵
  PID:5208

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:5852

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 b7b1cf77eccf7fab42d83f57facdb1105d51050295a044ecdf75cc8280679788
MD5 ba1a663e230ce317ae337b5d83046ee7
SHA1 7900cfedd44cd639839f0c4f6d382e62fd541046
SHA512 6960616cedc118240f27bccf0ba2527439f661029af18825fb6475b5ca6e4c80cb402cde72b86ba0d02d2b3c587b5883ee584f0c64634e98dd6b5a246b6058cc
SSDEEP 98304:6eEZUQ9DLUUK09ofcc9uFsX4luxO/39bAOnnYBsvUQeOyj:5AXRTMuqIu2FvUQe
TLSH
T1D1363380BCC299B5D4A6C3FC595374BDF33ABBB28564BC1576ED28044DAEE24253E780
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1140-10-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/1140-1-0x00007FF90DAD0000-0x00007FF90DAD2000-memory.dmp

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memory/1140-7-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/1140-6-0x0000000001F00000-0x0000000001F01000-memory.dmp

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memory/1140-9-0x0000000140239000-0x00000001403EF000-memory.dmp

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memory/1140-0-0x0000000140239000-0x00000001403EF000-memory.dmp

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memory/1140-5-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/1140-3-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/5208-17-0x0000000140000000-0x0000000140231000-memory.dmp

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memory/5852-24-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/5852-23-0x0000000140001000-0x0000000140008000-memory.dmp

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memory/5852-25-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/5852-13-0x0000000140000000-0x00000001408FA000-memory.dmp

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memory/5852-21-0x0000000140000000-0x00000001408FA000-memory.dmp

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