aaf3e00c615bc29434cd8d272d9bf2bd2e1810661b55ba42ef4a0cc6ba0b8cb9

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 13:13

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General

Target
f27007548888a06ee02d5731dc1f18c5.exe
Size 2.9MB
Sample261102-qf5ldaas61
SHA256 aaf3e00c615bc29434cd8d272d9bf2bd2e1810661b55ba42ef4a0cc6ba0b8cb9
MD5 f27007548888a06ee02d5731dc1f18c5
SHA1 2e8c3c4606e2c89029dfb32d9112c03a694dc279
SHA512 8b27127005a4303400e9f1d00b094b862bbb00a8c70fe22dd9e3bfe9ebb46373cb0c0a44ceb934f8fdf34a8598a0843aa9b64a16e00b9f979950bd91ecda1dc0
SSDEEP 49152:hxgv8/6aEtRDgTucT1vLHZ1SrgmpR6/uyHHQoCLne+QXrI7H+q4yQj:h68etRDwz511DJkePQHIyQj
TLSH
T165D52399FEF61971E472CBA6CA83602DB13D37494AB08D9236CD6B404D139A83D3937D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution persistence

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2948	f27007548888a06ee02d5731dc1f18c5.exe

Executes dropped EXE 1 IoCs

pid	Process
6088	WindowsUpdateBroker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdateBroker = "\"C:\\Users\\Admin\\AppData\\Local\\Intel\\CommonFiles\\Temp\\E373333C\\WindowsUpdateBroker.exe\""	f27007548888a06ee02d5731dc1f18c5.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WindowsUpdateBroker.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WindowsUpdateBroker.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4876	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
6088	WindowsUpdateBroker.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2948	f27007548888a06ee02d5731dc1f18c5.exe
2948	f27007548888a06ee02d5731dc1f18c5.exe
6088	WindowsUpdateBroker.exe
6088	WindowsUpdateBroker.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2948	f27007548888a06ee02d5731dc1f18c5.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 4876	2948	f27007548888a06ee02d5731dc1f18c5.exe	89
PID 2948 wrote to memory of 6088	2948	f27007548888a06ee02d5731dc1f18c5.exe	91

C:\Users\Admin\AppData\Local\Temp\f27007548888a06ee02d5731dc1f18c5.exe
"C:\Users\Admin\AppData\Local\Temp\f27007548888a06ee02d5731dc1f18c5.exe"
1⤵
- Deletes itself
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks /create /tn "Skype Shell Task" /tr "\"C:\Users\Admin\AppData\Local\Intel\CommonFiles\Temp\E373333C\WindowsUpdateBroker.exe\" /sc minute /mo 1 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4876
- C:\Users\Admin\AppData\Local\Intel\CommonFiles\Temp\E373333C\WindowsUpdateBroker.exe
  "C:\Users\Admin\AppData\Local\Intel\CommonFiles\Temp\E373333C\WindowsUpdateBroker.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  PID:6088

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

WindowsUpdateBroker.exe

Path C:\Users\Admin\AppData\Local\Intel\CommonFiles\Temp\E373333C\WindowsUpdateBroker.exe
Size 2.9MB
SHA256 aaf3e00c615bc29434cd8d272d9bf2bd2e1810661b55ba42ef4a0cc6ba0b8cb9
MD5 f27007548888a06ee02d5731dc1f18c5
SHA1 2e8c3c4606e2c89029dfb32d9112c03a694dc279
SHA512 8b27127005a4303400e9f1d00b094b862bbb00a8c70fe22dd9e3bfe9ebb46373cb0c0a44ceb934f8fdf34a8598a0843aa9b64a16e00b9f979950bd91ecda1dc0
SSDEEP 49152:hxgv8/6aEtRDgTucT1vLHZ1SrgmpR6/uyHHQoCLne+QXrI7H+q4yQj:h68etRDwz511DJkePQHIyQj
TLSH
T165D52399FEF61971E472CBA6CA83602DB13D37494AB08D9236CD6B404D139A83D3937D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2948-0-0x000000014001F000-0x00000001401D6000-memory.dmp

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memory/2948-4-0x0000000140000000-0x00000001404B5000-memory.dmp

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memory/2948-2-0x0000000140000000-0x00000001404B5000-memory.dmp

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memory/2948-1-0x00007FFE9CAB0000-0x00007FFE9CAB2000-memory.dmp

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memory/2948-9-0x0000000140000000-0x00000001404B5000-memory.dmp

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memory/2948-8-0x000000014001F000-0x00000001401D6000-memory.dmp

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memory/6088-13-0x0000000140000000-0x00000001404B5000-memory.dmp

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memory/6088-11-0x0000000140000000-0x00000001404B5000-memory.dmp

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memory/6088-14-0x0000000140000000-0x00000001404B5000-memory.dmp

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