9b9fd5ad54ba1aadc670fa4be3edab4ba8abca1b49880f57d4378320129c2f41

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 11:07

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1

c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA256

7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
SHA512

4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f
SSDEEP

192:VFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/993:97pJp48F2exrg5F/9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2056 2548 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
2056	2548	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 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2416 wrote to memory of 2548	2416	rundll32.exe	rundll32.exe
PID 2548 wrote to memory of 2056	2548	rundll32.exe	WerFault.exe
PID 2548 wrote to memory of 2056	2548	rundll32.exe	WerFault.exe
PID 2548 wrote to memory of 2056	2548	rundll32.exe	WerFault.exe
PID 2548 wrote to memory of 2056	2548	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 220
    3⤵
    - Program crash
    PID:2056

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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