bab0e1b3661021cc1bc8589b38fe1eaa5c916bf03c4bbcef66626019ae307540

Analysis

user interaction
yes
max time kernel
628s
max time network
487s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/07/2026, 09:45

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General

Target
catalyst/catalyst.exe
Size 2.9MB
Sample260706-lrfzyahs6l
SHA256 bab0e1b3661021cc1bc8589b38fe1eaa5c916bf03c4bbcef66626019ae307540
MD5 b7209cae2260d8cd92637c82f2dbd4f6
SHA1 e1756371e469756a55a5cdab74db62299cc861ac
SHA512 a631da27acadc245d887ef71659914096647912de69e534d1092cd638781d82c9f3c7b21e4645d616f045e81cd4948d41ded068d6f473cacfecb726a3d1be3bf
SSDEEP 49152:j2VbEJFWWbWjBfcGI9GfsIjsis9sI6nUjLWDmLR:X4vfsx
TLSH
T107E5BE45B3A981DCC53EE0BC9A52A707F33134051B2486DB27E91DA59F63EE04EBEB11
MD5 SHA1 SHA512 SSDEEP TLSH

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Panther\UnattendGC\diagwrn.xml	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setupact.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagerr.xml	UserOOBEBroker.exe

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	FileCoAuth.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4828	catalyst.exe
4828	catalyst.exe

C:\Users\Admin\AppData\Local\Temp\catalyst\catalyst.exe
"C:\Users\Admin\AppData\Local\Temp\catalyst\catalyst.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:4828

C:\Windows\System32\oobe\UserOOBEBroker.exe
C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
1⤵
- Drops file in Windows directory
PID:768

C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
1⤵
- System Location Discovery: System Language Discovery
PID:3516

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3744

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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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