b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 03:22

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

75ed96254fbf894e42058062b4b4f0d1
SHA1

996503f1383b49021eb3427bc28d13b5bbd11977
SHA256

a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512

58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
SSDEEP

192:X24sihno0bW+l97H4GB7QDs91kMtwtobTr4u+QHbazMNHT7dmNIEr:m8vJl97JeoxtN/r3z7YV

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1840 2692 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
1840	2692	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 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 2692	1628	rundll32.exe	rundll32.exe
PID 2692 wrote to memory of 1840	2692	rundll32.exe	WerFault.exe
PID 2692 wrote to memory of 1840	2692	rundll32.exe	WerFault.exe
PID 2692 wrote to memory of 1840	2692	rundll32.exe	WerFault.exe
PID 2692 wrote to memory of 1840	2692	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:1628
- 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:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 220
    3⤵
    - Program crash
    PID:1840

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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