f214476db64248c82861c7b27fd55186beaf2e292cbe013d47f17305c3b2e95d

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 12:21

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

55a26d7800446f1373056064c64c3ce8
SHA1

80256857e9a0a9c8897923b717f3435295a76002
SHA256

904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
SHA512

04b8ab7a85c26f188c0a06f524488d6f2ac2884bf107c860c82e94ae12c3859f825133d78338fd2b594dfc48f7dc9888ae76fee786c6252a5c77c88755128a5b
SSDEEP

192:MPtkumJX7zBE2kGwfy9S9VkPsFQ1Mx1c:97O2k5q9wA1Mxa

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4976	4276	WerFault.exe	83

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 1460 wrote to memory of 4276	1460	rundll32.exe	83
PID 1460 wrote to memory of 4276	1460	rundll32.exe	83
PID 1460 wrote to memory of 4276	1460	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1460
- 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:4276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 612
    3⤵
    - Program crash
    PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4276 -ip 4276
1⤵
PID:3544

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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