938d44be10097f59babeea2b2a388e8f71d663c4c543bb2bd599463f0a8b593b

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 13:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$SYSDIR/pncrt.dll
Size

272KB
MD5

13001eb0a58b4de96126b16ab15fd8cc
SHA1

4dfe6d2d02e9fa194f4af3d054b458b5a4bafbe6
SHA256

e983aa97fe1ce6af92f06433a71e03f54d3fc78392e26691cace927094bab8d7
SHA512

1a7c052bc1e7c824a3aff5e27c5cbd0720893e341dfb93062021b82c3a6d940c4ea23cbcdfaaeb174d90f51c36f0d8c62f693766f42172f894b6b689d26f49b2
SSDEEP

6144:3m7wHLiH0k6OgfjvQ0mvlxZ/PeT8Ah8EoHiIKaGo5RpTufufVvtr+dj7GcuT1JOy:3m7KLiHl6OgfjvQ0m93/5q+iIKaGo5Rr

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	3460	WerFault.exe	84

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 4672 wrote to memory of 3460	4672	rundll32.exe	84
PID 4672 wrote to memory of 3460	4672	rundll32.exe	84
PID 4672 wrote to memory of 3460	4672	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\pncrt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\pncrt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 604
    3⤵
    - Program crash
    PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3460 -ip 3460
1⤵
PID:4264

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

Replay Monitor

Loading Replay Monitor...

Downloads