6cef6976c4f45e3d2f0fc181f4efdf9850dd260bc89367ea2dbacad087ba34d3

Analysis

max time kernel
139s
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
13-08-2024 10:55

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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

pid	pid_target	Process	procid_target
2900	116	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 behavior: EnumeratesProcesses 8 IoCs

pid	Process
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 116	4008	rundll32.exe	84
PID 4008 wrote to memory of 116	4008	rundll32.exe	84
PID 4008 wrote to memory of 116	4008	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4xd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4008
- 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:116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 648
    3⤵
    - Program crash
    PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 116 -ip 116
1⤵
PID:3204

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

Replay Monitor

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Downloads

memory/116-0-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/116-1-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download