8ffc036085a9e465fa52366aa43cd2a862c2a78c145425338dcca3db2f3158f4

Analysis

max time kernel
138s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 12:42

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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
3240	1112	WerFault.exe	88

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 4372 wrote to memory of 1112	4372	rundll32.exe	88
PID 4372 wrote to memory of 1112	4372	rundll32.exe	88
PID 4372 wrote to memory of 1112	4372	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\pncrt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4372
- 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:1112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 604
    3⤵
    - Program crash
    PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1112 -ip 1112
1⤵
PID:3668

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4420,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
1⤵
PID:4740

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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