f1360c339823b9b3e5888e7a0a5427f775b078cff2231fd89b74b9b6b8fd1611

Analysis

max time kernel
139s
max time network
152s
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, 01:34

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General

Target

xxwewe33/api-ms-win-core-file-l1-1-0.dll
Size

14KB
MD5

d613baa29afa3db1faa991876dd382f1
SHA1

795ad1269848846294563480750c91abf6bf33af
SHA256

4b2dc152f33cd7d88beba8696a57cd0383f05c50d2fb63672664717766762a1d
SHA512

a7113a430d39a71af764ddddda81f37f280f795ae88f5ab829523b278f82c1487401316c24700be4451a162567c282bcf08390a583ccd18b1baf96cd86ab54b3
SSDEEP

192:zYPvVX8rFTsBWOhWwT71ojDBQABJ9t6qnaj9RlSIFspC:EPvVXbWOhW1DBRJ9t6lBRAIFsI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2596	3888	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 3076 wrote to memory of 3888	3076	rundll32.exe	84
PID 3076 wrote to memory of 3888	3076	rundll32.exe	84
PID 3076 wrote to memory of 3888	3076	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-file-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-file-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 600
    3⤵
    - Program crash
    PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3888 -ip 3888
1⤵
PID:2252

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

Windows 7 deprecation

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