254062f88f40324329b91a934ecd2b38355225a18f90e0d6f6588f8e181163b8

Analysis

max time kernel
0s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
07-01-2025 16:32

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General

Target

remcos_a.exe
Size

428KB
MD5

c5f09b7719c8b0fff49750c4207b06b2
SHA1

a4e05827087c2db01d12677bde55079d549271a3
SHA256

254062f88f40324329b91a934ecd2b38355225a18f90e0d6f6588f8e181163b8
SHA512

d69a070d0ef9e937be6c5aba18ae21ba37f6a2c502a1b8d48ae9d088d338f3134b52ec1b920ceec9d2450b59bd90ac37b90b966ac3cabdc4304d83cb2b4742c0
SSDEEP

6144:++d2+U+8RRJorR7zu6tF9x46YGg83lgnbJHZFXUU01yC5wJ/3AO2HyXGcKcOMuf:++d3UGddn4F83l0JjXUU0kXAHTc/uf

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1388	2456	WerFault.exe	76

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	remcos_a.exe

C:\Users\Admin\AppData\Local\Temp\remcos_a.exe
"C:\Users\Admin\AppData\Local\Temp\remcos_a.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 568
  2⤵
  - Program crash
  PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2456 -ip 2456
1⤵
PID:4284

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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