11fe7a13ad470ff3c39423f1ebb5b7abff8cf8a656d2ac97c0183d680d07687c

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 10:21

Target

$PLUGINSDIR/System.dll
Size

26KB
MD5

4f25d99bf1375fe5e61b037b2616695d
SHA1

958fad0e54df0736ddab28ff6cb93e6ed580c862
SHA256

803931797d95777248dee4f2a563aed51fe931d2dd28faec507c69ed0f26f647
SHA512

96a8446f322cd62377a93d2088c0ce06087da27ef95a391e02c505fb4eb1d00419143d67d89494c2ef6f57ae2fd7f049c86e00858d1b193ec6dde4d0fe0e3130
SSDEEP

384:Hh2aeOfOkR+nMsNNtnQ8+y4nLD/B6D8p/Ykv7HyVOIgMHciS6hM:SOj4MWNxl+yCIDIv+nHI6

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2976 1892 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
2976	1892	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 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 2392 wrote to memory of 1892	2392	rundll32.exe	rundll32.exe
PID 1892 wrote to memory of 2976	1892	rundll32.exe	WerFault.exe
PID 1892 wrote to memory of 2976	1892	rundll32.exe	WerFault.exe
PID 1892 wrote to memory of 2976	1892	rundll32.exe	WerFault.exe
PID 1892 wrote to memory of 2976	1892	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:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 220
3⤵
- Program crash
PID:2976

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1892-0-0x0000000074900000-0x000000007490E000-memory.dmp

Filesize
56KB

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