b698411bdcbb7e6fe71cec5cdc499eda82a55495847221350d29a74ca7937186

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 01:19

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General

Target

$PLUGINSDIR/cxapxirycmq.dll
Size

20KB
MD5

f9c99f7e3b80bd0757ccad6a4ee2c795
SHA1

e487ee3c5fc3d1e0817a8c5646ed042312a8ad83
SHA256

963d2beb680b2f7b490063c3f248ae28fdadec39b0b9542c4b79a48f07bbd907
SHA512

c4ed2f2dc2b6d79f3f37433023428bfe7607360e257864e29fab249619e666df5b00542640d89f29ae510f83e514b41eba14fcc3232e9416a0b8e248eb59b01c
SSDEEP

384:7ANhp0pWEbbJVpptCxAoNI2M+qjMoejTJ1Yl5Zn:Ghp0cEbbJPp/NQoyJ1Y7Z

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1880	1516	WerFault.exe	82

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 7 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 1516	640	rundll32.exe	82
PID 640 wrote to memory of 1516	640	rundll32.exe	82
PID 640 wrote to memory of 1516	640	rundll32.exe	82
PID 1516 wrote to memory of 2040	1516	rundll32.exe	83
PID 1516 wrote to memory of 2040	1516	rundll32.exe	83
PID 1516 wrote to memory of 2040	1516	rundll32.exe	83
PID 1516 wrote to memory of 2040	1516	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cxapxirycmq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cxapxirycmq.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cxapxirycmq.dll,#1
    3⤵
    PID:2040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 732
    3⤵
    - Program crash
    PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1516 -ip 1516
1⤵
PID:928

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/1516-0-0x0000000075845000-0x0000000075847000-memory.dmp

Filesize
8KB

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