64b919d36bd2047074cf6887e88e890871e9421305583a20da902265e31d15e4

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 19:46

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General

Target

$PLUGINSDIR/udpjzymus.dll
Size

38KB
MD5

35c7e2a63c059a4dbdb41078633ab8a2
SHA1

c718c7587166f41d2bd3ba94ee23bbb85ca16f96
SHA256

5d14d6480c4d20dd420d598d6e7f503b7e714ce9d21d56cc73a2f2dbcb1100af
SHA512

dc6c4b050269f8cda0e729a577121ea5468dc48e879d46bbf75b8830c6fc4be8e31d8ae296e888c93cb14a981f05c7e5253838c56a0d38120f7d76b9e8788ec2
SSDEEP

384:72dM15gbdVJIZX4qFTrtR1836QFlqIknaqRCz+7XEYDiRcHynTL0Jt3:7LAdVJIZFTJ7arFlRkzEYDiFnToJt3

Score

3^/10

discovery

Malware Config

Signatures

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 6 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 4528	1772	rundll32.exe	82
PID 1772 wrote to memory of 4528	1772	rundll32.exe	82
PID 1772 wrote to memory of 4528	1772	rundll32.exe	82
PID 4528 wrote to memory of 4100	4528	rundll32.exe	83
PID 4528 wrote to memory of 4100	4528	rundll32.exe	83
PID 4528 wrote to memory of 4100	4528	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\udpjzymus.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\udpjzymus.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4528
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\udpjzymus.dll,#1
    3⤵
    PID:4100

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/4528-0-0x0000000010009000-0x000000001000B000-memory.dmp

Filesize
8KB

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