36417b50b830fd546b1c674477404bd5a952b3387b25b13437f01bd898212197

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 06:42

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General

Target

$PLUGINSDIR/UAC.dll
Size

13KB
MD5

bcec2a6095d38abc192a68d094c302d0
SHA1

9e88c5b957b45524690513b75d81dee259d5d599
SHA256

446000200eff4f9c20761ce1680902daba190c81a57154f4917b1741d7800e3c
SHA512

b48e85a17904a104eef573358763a0b1215eec96f72f83ff544d2dab22737bc42411ca505adf3f7e95c6f7e7997ad3e408f258093727105b678d5eee8d8e6278
SSDEEP

192:mNnXQprEE3vHosEWFt6F5SLdn93YUCzj7qUFVWsSCDLjcOq98sswY:WnXQphvHJFoFe93D2xVWsSCHZq98FwY

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2396 2296 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
2396	2296	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 1940 wrote to memory of 2296	1940	rundll32.exe	rundll32.exe
PID 2296 wrote to memory of 2396	2296	rundll32.exe	WerFault.exe
PID 2296 wrote to memory of 2396	2296	rundll32.exe	WerFault.exe
PID 2296 wrote to memory of 2396	2296	rundll32.exe	WerFault.exe
PID 2296 wrote to memory of 2396	2296	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 224
3⤵
- Program crash
PID:2396

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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