ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809

Analysis

max time kernel
91s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
21-08-2024 10:04

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General

Target

$PLUGINSDIR/libcrypto-1_1.dll
Size

2.1MB
MD5

f2897d414a50674f58a0d1aa19614a20
SHA1

adced986562ed4a4e07fc92aff3d30797e2f83df
SHA256

c4372100431007321e8fb3b41eef740dfe6e1c8a694bea251f9637209d76f207
SHA512

a2760bcbb049e9f336802b9302115659bcae39c376ea05485fa3aa0da9bc695fc910f4c93348d4435d07b8448b6db2492dc3564ee94378be7e3b29dca5577396
SSDEEP

49152:qNQtYgGEnfJG+wVv5kOZK1CPwDv3uF0j6BvFB:6QtVGQwbkqK1CPwDv3uF0j

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4864 1236 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
4864	1236	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 4844 wrote to memory of 1236	4844	rundll32.exe	rundll32.exe
PID 4844 wrote to memory of 1236	4844	rundll32.exe	rundll32.exe
PID 4844 wrote to memory of 1236	4844	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\libcrypto-1_1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\libcrypto-1_1.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:1236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 496
3⤵
- Program crash
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1236 -ip 1236
1⤵
PID:4328

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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