c0bad8eb607abde26d3b7aaf7a3ea4869062f83200e02c4c133968e690641af5

Analysis

max time kernel
149s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/08/2026, 15:09

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General

Target
kpq2prbo0xpzbs51.exe
Size 483KB
Sample260813-sjev8ssfmd
SHA256 c0bad8eb607abde26d3b7aaf7a3ea4869062f83200e02c4c133968e690641af5
MD5 fb4e53945763b84f473e3069a2632159
SHA1 0f5ed80af94b2559fa850bbdf194a766cd1059e5
SHA512 1863840e3b5b8eab081371bd5efda433d3101e83d138688f0da19eed19e851542edc587ca762d75cf229f68daf04f74109939be49b01409fd34379b8c7d145d0
SSDEEP 6144:ruwqTD285lAztMz3rgXLWY2LNUhZZKlMPUkOVEOueD5V9n+cdeSaWSFnUC/J5n3x:rWf5uOz34WY2qjwycX87FRKrZAjw
TLSH
T10CB439247FA98E08E480257E459E1A05DBDAD1F125326303374BEFA20D05DDEDE6D3EA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\xdwdSystem32\\Defender.exe"	kpq2prbo0xpzbs51.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 5 IoCs

pid	Process
5436	Defender.exe
2800	Defender.exe
2296	MalwareDef.exe
2308	Defender.exe
5196	Defender.exe

Loads dropped DLL 7 IoCs

pid	Process
5828	Process not Found
5976	Process not Found
5436	Defender.exe
2800	Defender.exe
2296	MalwareDef.exe
2308	Defender.exe
5196	Defender.exe

Looks up external IP address via web service 1 TTPs 8 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
4	api.ipify.org
5	api.ipify.org
9	icanhazip.com
10	icanhazip.com
16	api.ipify.org
21	api.ipify.org
1	api.ipify.org
1	icanhazip.com

Drops file in Windows directory 16 IoCs

description	ioc	Process
File created	C:\Windows\Web\MalwareDef.exe	kpq2prbo0xpzbs51.exe
File opened for modification	C:\Windows\xdwd.dll	kpq2prbo0xpzbs51.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	Defender.exe
File created	C:\Windows\xdwdSystem32\Defender.exe	kpq2prbo0xpzbs51.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	kpq2prbo0xpzbs51.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	Defender.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	Defender.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	Defender.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	Defender.exe
File created	C:\Windows\xdwd.dll	kpq2prbo0xpzbs51.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	Defender.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	Defender.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	kpq2prbo0xpzbs51.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	MalwareDef.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	Defender.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	MalwareDef.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2720	cmd.exe
5476	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
6008	schtasks.exe
756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2296	MalwareDef.exe
2296	MalwareDef.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	kpq2prbo0xpzbs51.exe
Token: SeDebugPrivilege	5436	Defender.exe
Token: SeDebugPrivilege	2800	Defender.exe
Token: SeDebugPrivilege	2296	MalwareDef.exe
Token: SeIncBasePriorityPrivilege	5436	Defender.exe
Token: SeDebugPrivilege	2308	Defender.exe
Token: SeDebugPrivilege	5196	Defender.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 2984	4224	kpq2prbo0xpzbs51.exe	91
PID 4224 wrote to memory of 2720	4224	kpq2prbo0xpzbs51.exe	93
PID 2720 wrote to memory of 6008	2720	cmd.exe	95
PID 4224 wrote to memory of 5476	4224	kpq2prbo0xpzbs51.exe	96
PID 5476 wrote to memory of 756	5476	cmd.exe	98
PID 4224 wrote to memory of 2800	4224	kpq2prbo0xpzbs51.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\kpq2prbo0xpzbs51.exe
"C:\Users\Admin\AppData\Local\Temp\kpq2prbo0xpzbs51.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" netsh advfirewall firewall add rule name="^QEj)Cxu)EY-)k" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit
  2⤵
  PID:2984
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST & exit
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:6008
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST & exit
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5476
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:756
- C:\Windows\xdwdSystem32\Defender.exe
  "C:\Windows\xdwdSystem32\Defender.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2800

C:\Windows\xdwdSystem32\Defender.exe
C:\Windows\xdwdSystem32\Defender.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5436

C:\Windows\Web\MalwareDef.exe
C:\Windows\Web\MalwareDef.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296

C:\Windows\xdwdSystem32\Defender.exe
"C:\Windows\xdwdSystem32\Defender.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2308

C:\Windows\xdwdSystem32\Defender.exe
"C:\Windows\xdwdSystem32\Defender.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5196

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

xdwd.dll

Path C:\Windows\xdwd.dll
Size 136KB
SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
MD5 16e5a492c9c6ae34c59683be9c51fa31
SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
TLSH
T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Defender.exe

Path C:\Windows\xdwdSystem32\Defender.exe
Size 483KB
SHA256 c0bad8eb607abde26d3b7aaf7a3ea4869062f83200e02c4c133968e690641af5
MD5 fb4e53945763b84f473e3069a2632159
SHA1 0f5ed80af94b2559fa850bbdf194a766cd1059e5
SHA512 1863840e3b5b8eab081371bd5efda433d3101e83d138688f0da19eed19e851542edc587ca762d75cf229f68daf04f74109939be49b01409fd34379b8c7d145d0
SSDEEP 6144:ruwqTD285lAztMz3rgXLWY2LNUhZZKlMPUkOVEOueD5V9n+cdeSaWSFnUC/J5n3x:rWf5uOz34WY2qjwycX87FRKrZAjw
TLSH
T10CB439247FA98E08E480257E459E1A05DBDAD1F125326303374BEFA20D05DDEDE6D3EA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4224-0-0x00007FFD6B33F000-0x00007FFD6B340000-memory.dmp

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memory/4224-1-0x0000000000700000-0x0000000000780000-memory.dmp

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memory/4224-2-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-3-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-4-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-5-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-6-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-7-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-8-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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memory/4224-114-0x00007FFD6B1B0000-0x00007FFD6BB54000-memory.dmp

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