0ec7ca9a453c0fe7ac1b91dbae74a8b77e788c490b65365896d2d319128431d6

Analysis

max time kernel
143s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 13:47

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General

Target

concrt140.dll
Size

237KB
MD5

abdef5f24d965beb17acc7948b4bebfd
SHA1

d671e6fe9fb1b9a675f3ea50a15d5318e7af0978
SHA256

4e822f847073f81c781be433eff6c68db616efad49cee50a5e19997fb46a9da0
SHA512

fde514a3bda56ffcfeaaaa7ddf6a4c89130d5f52936c82e9d8c5d771cbc228e387d0845300be98d7f40d4ca3b06c8a783411ddc0c1e258e10745a50d0fe1115e
SSDEEP

6144:YVtg4bkcTc3uYSw5ejegvGw9xEPOL8an39bkH1r12z/WK3b+B:YI4xL+wsQ8anK1AzrG

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	3528	WerFault.exe	81

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 4868 wrote to memory of 3528	4868	rundll32.exe	81
PID 4868 wrote to memory of 3528	4868	rundll32.exe	81
PID 4868 wrote to memory of 3528	4868	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 624
    3⤵
    - Program crash
    PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3528 -ip 3528
1⤵
PID:4212

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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