abb82e829e69a97f46c6a116d8c8996697508b9215bb3b2facac37156c4062d0

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 07:56

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General

Target

$PLUGINSDIR/gtlbztpsztf.dll
Size

49KB
MD5

6432c43cc5cb60bb4a484470e8693ab3
SHA1

78f0e1e34dbee0fee48d70949ff07deef94215bc
SHA256

e21a1e1f87a1c05b1c97688f72fce20e5f1c42f8579b49d189b3e06f3be8a735
SHA512

760c3906675ca690b23e195a7b4c295289dc6242e096ca3140fc199e41474fff7df0500243bde937e4e5ab311d2c4969f02b8b3d87b97bd26d3c3feee5a5ef6e
SSDEEP

768:M57MzH3v2IihsP+l1nrk2IJ1/95UrpRxKZfUJXeykaxLT+QZv6qCGb:M57ohP+l1rktZ5qpWZf0XeyVxDd6/Gb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4964	3264	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 3672 wrote to memory of 3264	3672	rundll32.exe	82
PID 3672 wrote to memory of 3264	3672	rundll32.exe	82
PID 3672 wrote to memory of 3264	3672	rundll32.exe	82
PID 3264 wrote to memory of 4624	3264	rundll32.exe	83
PID 3264 wrote to memory of 4624	3264	rundll32.exe	83
PID 3264 wrote to memory of 4624	3264	rundll32.exe	83
PID 3264 wrote to memory of 4624	3264	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtlbztpsztf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtlbztpsztf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3264
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtlbztpsztf.dll,#1
    3⤵
    PID:4624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 752
    3⤵
    - Program crash
    PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3264 -ip 3264
1⤵
PID:748

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/3264-0-0x0000000074EEC000-0x0000000074EEE000-memory.dmp

Filesize
8KB

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