9711e0f1f4b1ea97ecf7ddfe05b27c8f712533c2141f6e2b064d636076e76652

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2024, 21:27

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

d6f54d2cefdf58836805796f55bfc846
SHA1

b980addc1a755b968dd5799179d3b4f1c2de9d2d
SHA256

f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
SHA512

ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db
SSDEEP

192:acA1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6w79Mw:RR7SrtTv53tdtTgwF4SQbGPX36wJMw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5024	3044	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3044	2988	rundll32.exe	82
PID 2988 wrote to memory of 3044	2988	rundll32.exe	82
PID 2988 wrote to memory of 3044	2988	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 612
    3⤵
    - Program crash
    PID:5024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3044 -ip 3044
1⤵
PID:4100

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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