f1360c339823b9b3e5888e7a0a5427f775b078cff2231fd89b74b9b6b8fd1611

Analysis

max time kernel
150s
max time network
153s
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-debug-l1-1-0.dll
Size

11KB
MD5

d9e02887a85903ee3a4fa7f197865274
SHA1

f68904fef682461068ea782f1ed911b124793732
SHA256

9487da37a92b40720ea2ad64ea0c9adc8b3c7bc4fe1f63a0e03e9c7a18943565
SHA512

43fbb849a9a6e41e3b20813ebbe29e9fc233f6c1a7c00f8798f15f5c896bca7f6906a9a65fbc5569b3d5f901d70ab9a6132f8a9f71193f2d7f5559a607d5cf84
SSDEEP

192:4WOhWqT71ojDBQABJTwvveqnajsl/cqtm4t:4WOhWrDBRJTw3elPqr

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	3352	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 2896 wrote to memory of 3352	2896	rundll32.exe	84
PID 2896 wrote to memory of 3352	2896	rundll32.exe	84
PID 2896 wrote to memory of 3352	2896	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-debug-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-debug-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 600
    3⤵
    - Program crash
    PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3352 -ip 3352
1⤵
PID:924

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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