c7016afedeb924819fba9976bd04280f60a3aaa050e1acff08e1e610f47b38a7

Analysis

max time kernel
149s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2024 23:23

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General

Target

DEMANDA LABORAL JUDICIAL/msvcr100.dll
Size

752KB
MD5

67ec459e42d3081dd8fd34356f7cafc1
SHA1

1738050616169d5b17b5adac3ff0370b8c642734
SHA256

1221a09484964a6f38af5e34ee292b9afefccb3dc6e55435fd3aaf7c235d9067
SHA512

9ed1c106df217e0b4e4fbd1f4275486ceba1d8a225d6c7e47b854b0b5e6158135b81be926f51db0ad5c624f9bd1d09282332cf064680dc9f7d287073b9686d33
SSDEEP

12288:fQmCy3NeRjkpQmj3oaMtQqjoygfXq3kon9IlbgaOxQdVJJ6j5EBKX8hR5:ImCy3VQs9MtLjTgfa3kon9FaOdEz5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4104 2940 WerFault.exe rundll32.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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
4104	2940	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 448 wrote to memory of 2940	448	rundll32.exe	rundll32.exe
PID 448 wrote to memory of 2940	448	rundll32.exe	rundll32.exe
PID 448 wrote to memory of 2940	448	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\DEMANDA LABORAL JUDICIAL\msvcr100.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\DEMANDA LABORAL JUDICIAL\msvcr100.dll",#1
2⤵
- System Location Discovery: System Language Discovery
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 600
3⤵
- Program crash
PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2940 -ip 2940
1⤵
PID:4160

Network

MITRE ATT&CK Enterprise v15

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 v15

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