80b6573208f2179c97ce64ff731269e349a07a3969c1198bf5a9092c5a01555c

Resubmissions

14/04/2025, 18:37

250414-w9yb2sxmx3 7

14/04/2025, 18:37

250414-w9fr1axsfx 1

14/04/2025, 17:15

250414-vs16yavpt2 7

Analysis

max time kernel
446s
max time network
447s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 17:15

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Report Analysis Logs

General

Target

Core.dll
Size

730KB
MD5

4be563c65ff66351f94035d6b5624cc7
SHA1

c183244308e2e847a308e5451b33dca82046f465
SHA256

306d129b6de45b07ca82bc68be8d3b761347d35b7c49f916f125f61640a73817
SHA512

7f717437aaa2b6c2bed8ab6d6818e0ea8c82fa8674217d0984bc1990b68b5fe1d96c1faa07488fbefb07411a4952730b63aeb992305d9e193e47af333bccee06
SSDEEP

12288:dwN4I1915bUr61nBXMv9Un1FMzYSTp9KjxToEeHmfmo6DjoNT7+Wv:6N7P1BJ1az1Tp94mSZ6DjQTtv

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4508	2840	WerFault.exe	85

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
2840	rundll32.exe
2840	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 2840	512	rundll32.exe	85
PID 512 wrote to memory of 2840	512	rundll32.exe	85
PID 512 wrote to memory of 2840	512	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Core.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:512
- 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:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 652
    3⤵
    - Program crash
    PID:4508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2840 -ip 2840
1⤵
PID:1592

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

Replay Monitor

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Downloads

memory/2840-0-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

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