80b6573208f2179c97ce64ff731269e349a07a3969c1198bf5a9092c5a01555c

geolocation tags

eueuropelondonukunited-kingdom
max time kernel
426s
max time network
433s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
16/09/2025, 23:16

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General

Target
Core.dll
Size 730KB
Sample250916-288dhsbr21
SHA256 306d129b6de45b07ca82bc68be8d3b761347d35b7c49f916f125f61640a73817
MD5 4be563c65ff66351f94035d6b5624cc7
SHA1 c183244308e2e847a308e5451b33dca82046f465
SHA512 7f717437aaa2b6c2bed8ab6d6818e0ea8c82fa8674217d0984bc1990b68b5fe1d96c1faa07488fbefb07411a4952730b63aeb992305d9e193e47af333bccee06
SSDEEP 12288:dwN4I1915bUr61nBXMv9Un1FMzYSTp9KjxToEeHmfmo6DjoNT7+Wv:6N7P1BJ1az1Tp94mSZ6DjQTtv
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
6084	1672	WerFault.exe	78

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
1672	rundll32.exe
1672	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 1672	3616	rundll32.exe	78
PID 3616 wrote to memory of 1672	3616	rundll32.exe	78
PID 3616 wrote to memory of 1672	3616	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Core.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Core.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 572
    3⤵
    - Program crash
    PID:6084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1672 -ip 1672
1⤵
PID:3560

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/1672-0-0x0000000000F40000-0x0000000000F41000-memory.dmp

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