c2f619460d6cd63ca1ae9b9abec61842fa05f09c0698fc4c400ccd5342109692

Analysis

max time kernel
91s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-es
resource tags

arch:x64arch:x86image:win10v2004-20241007-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
10-01-2025 06:03

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

637e1fa13012a78922b6e98efc0b12e2
SHA1

8012d44e42cd6d813ea63d5ccbf190fe72e3c778
SHA256

703e17d30a91775f8ddc2648b537fc846fad6415589a503a4529c36f60a17439
SHA512

932ed6a52e89c4fa587a7c0c3903d69cf89a32dbd46ed8dcb251abb6c15192d92b1f624c31f0e4bd3e9bf95fc1a55fdb7cee9dd668e1b4f22ddb95786c063e96
SSDEEP

192:U4A1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6gn9Mw:UYR7SrtTv53tdtTgwF4SQbGPX36g9Mw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4076	1088	WerFault.exe	83

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 1088	4816	rundll32.exe	83
PID 4816 wrote to memory of 1088	4816	rundll32.exe	83
PID 4816 wrote to memory of 1088	4816	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 612
    3⤵
    - Program crash
    PID:4076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1088 -ip 1088
1⤵
PID:3084

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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