c0732539ae46059cfe11f00ebde539fda2e6a0f1cee6cc21fbc86a1387824f8e

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 13:50

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General

Target

$PLUGINSDIR/ExecDos.dll
Size

5KB
MD5

ebcf9f71d804abab3c2e5ce4c17dc22e
SHA1

17d13084e75cbfa5fbfdd0025e9a0ee5772ae765
SHA256

d387b725afbd2a6f9b44999278d21025fae55b391e45f7751b88dfb13511a993
SHA512

5576396c2d885c039668d7f401eeee583eb4de39e8497c3aaec32d47f4417a522fe6786c111d50a5fba7570f50e84144ef3a8aea42677d170e79114343c3a4a1
SSDEEP

48:qNpugCjmWaZ+rnHAUiP9JLw/RHFtly5vorpSpSi7+5HCAx31Oglt6Zlrz9QH96AD:r0W1nHAfPPORHnooAU3xYglt6WwE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

872 1416 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
872	1416	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4904 wrote to memory of 1416	4904	rundll32.exe	rundll32.exe
PID 4904 wrote to memory of 1416	4904	rundll32.exe	rundll32.exe
PID 4904 wrote to memory of 1416	4904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExecDos.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExecDos.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 600
    3⤵
    - Program crash
    PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1416 -ip 1416
1⤵
PID:708

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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