04fe830eb5d84ef144d77c505046c6816a9cbedfe706cd6dd257dc779f2cfa6e

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 06:13

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

c17103ae9072a06da581dec998343fc1
SHA1

b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256

dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512

d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
SSDEEP

192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2660	2652	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 3064 wrote to memory of 2652	3064	rundll32.exe	30
PID 2652 wrote to memory of 2660	2652	rundll32.exe	31
PID 2652 wrote to memory of 2660	2652	rundll32.exe	31
PID 2652 wrote to memory of 2660	2652	rundll32.exe	31
PID 2652 wrote to memory of 2660	2652	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 228
    3⤵
    - Program crash
    PID:2660

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

Windows 7 deprecation

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