b90d3556fc164043702aa9a9e493127f91678ce1addc4cfa1d4d00a9072cc399

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 18:17

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General

Target

$PLUGINSDIR/System.dll
Size

9KB
MD5

ae182dc797cd9ad2c025066692fc041b
SHA1

7ee5f057be9febfa77f698a1b12213a5bbdd4742
SHA256

b214f6d6c4d27f749105f7e8846a7c2d475dbcc966876370b5a7dab6e4b8a471
SHA512

2a9a200d067df47638a86f4f058c6d78fb59bd064c65650cae5022a62a3714e33f93f6af1dd599fda180d5af18f432835a1f909807f4fb459aa9d6c24e3fbab7
SSDEEP

192:SVS+6oMnQ5TWgWsMI4R5Or5nQU39FmeknC:S56oMQ5TWlbI4RS/F8C

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	496	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 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 2304 wrote to memory of 496	2304	rundll32.exe	30
PID 496 wrote to memory of 2548	496	rundll32.exe	31
PID 496 wrote to memory of 2548	496	rundll32.exe	31
PID 496 wrote to memory of 2548	496	rundll32.exe	31
PID 496 wrote to memory of 2548	496	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:2304
- 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:496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 496 -s 224
    3⤵
    - Program crash
    PID:2548

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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