ad855c55e13ef5274a20805a3836b508c29cae12d0a2de2807aed08ed4090ddd

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 11:06

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General

Target

d4xd.dll
Size

10KB
MD5

cc531db3ae7d662a2054f787c038762d
SHA1

5f87a3836db1886d07a0d480cb7b72d89672d36a
SHA256

9ca23ee06a0d89ba6a9b18bce1e3a7d94bf987df10234d2890d5e860d8a2790a
SHA512

e01ddaadf0efb4f4ec556e9882d02a51666a5cef118ec617f42c75bf80abb8566a6393fd6899fc76c9537eb66ef2c081fb5eec13f13bdc2a2ee74bd1b34d5632
SSDEEP

192:w1fC8d6aoXnsYIx694C+SX/FOGXyCp2X+7FTpxRkSZDm:SC+6tyQj+SXtHFpLFTpxb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3004 2224 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
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rundll32.exe

pid process

2224 rundll32.exe
2224 rundll32.exe
2224 rundll32.exe
2224 rundll32.exe
2224 rundll32.exe
2224 rundll32.exe
2224 rundll32.exe
2224 rundll32.exe

pid	pid_target	process	target process
3004	2224	WerFault.exe	rundll32.exe

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

pid	process
2224	rundll32.exe
2224	rundll32.exe
2224	rundll32.exe
2224	rundll32.exe
2224	rundll32.exe
2224	rundll32.exe
2224	rundll32.exe
2224	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1728 wrote to memory of 2224	1728	rundll32.exe	rundll32.exe
PID 1728 wrote to memory of 2224	1728	rundll32.exe	rundll32.exe
PID 1728 wrote to memory of 2224	1728	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4xd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4xd.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 648
3⤵
- Program crash
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2224 -ip 2224
1⤵
PID:1616

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

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Downloads

memory/2224-0-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2224-1-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download