8401ddca603be3a8750e2b611b0a4afde79855e46e397cd30a9c88a3c948f0fe

Analysis

max time kernel
125s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 16:51

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General

Target

$PLUGINSDIR/insthelper.dll
Size

3.0MB
MD5

e7b2b10be2c805d3fb1a3e96469e62c0
SHA1

331c4056252d6de624f3fa4e4e2d958cbab0517b
SHA256

a84e8e4f24aaae25c743ac58f2124008d0f6341983ebdec05b8914d55da7e345
SHA512

43dd1f8d4c18a7fb1c9f344db8363b10874281790c334063d6d913d4e837709a9455931df105eea04f1617ad01bb767de4a3d480e1dda2fa9042d790edbe0f17
SSDEEP

49152:W9yY8YUkjeHoBgUGOJFAA8aNbaNPT5+yxSB8MS0T3CmPWspplx9y3927:WMY8YfImGKFHXN+t+yxSB8Mjy3

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1392 3668 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
1392	3668	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1684 wrote to memory of 3668	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 3668	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 3668	1684	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\insthelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\insthelper.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 668
3⤵
- Program crash
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3668 -ip 3668
1⤵
PID:1740

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
1⤵
PID:2444

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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