87d71d7df9f3e28a71abb9bb8f6b037a100df45cddb9bdd562137902872ca3b6

Analysis

max time kernel
68s
max time network
121s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 00:09

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General

Target
CoreExe.exe
Size 104KB
Sample260810-aft7msda76
SHA256 87d71d7df9f3e28a71abb9bb8f6b037a100df45cddb9bdd562137902872ca3b6
MD5 37457a9e7a82a5247622050e0c8ec104
SHA1 42c5f303a6cf82be6c40120532a2ea5dfbc31ff0
SHA512 170645acdf79c2ed4d4088ecb8fc4d519f39fd10a061e524ee2f7c71e21abeef34d98ac47c52c295366f873b5041ea6263d7156ff38c1eca9caf579df2e62d32
SSDEEP 1536:s95xOcfwNb5PBH2olCoy9AUEclLt35+grNF2brfp5BdR0CNocU5RvsWuMzcdq0fX:hHBH1GA1cJx5+grj2h2cUDYBqoPMFCR
TLSH
T11BA36A01B4D1D473D4721D3418B5EEA19A2DFE314F669EBB2798162A0F380C25A73D77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	CoreExe.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
828	5864	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CoreExe.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: 33	2196	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2196	AUDIODG.EXE
Token: 33	5864	CoreExe.exe
Token: SeIncBasePriorityPrivilege	5864	CoreExe.exe
Token: 33	2196	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2196	AUDIODG.EXE

C:\Users\Admin\AppData\Local\Temp\CoreExe.exe
"C:\Users\Admin\AppData\Local\Temp\CoreExe.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5864
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5864 -s 29152
  2⤵
  - Program crash
  PID:828

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004EC 0x00000000000004E8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5864 -ip 5864
1⤵
PID:5816

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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