59d4fd92f121fd41188517382ce0f067b6f872debb24bdc0e79958d2e9290908

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 23:43

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General

Target

zpresampler.dll
Size

19KB
MD5

9451bc212d134d849686c1637ac9d13c
SHA1

e3576ac78f7c8d6d24a4f1611acfea403ba1ff20
SHA256

29bc71ec38d424a4ceca33b37dcba3da505468a1adf9178b6dfd97ed34c43d98
SHA512

765209196eefd50895701d9a4fce0be246d3907f454bd4e085a9e6e6043ad1474d4e797a9d942a29784acaa36d2803987427feb648127b3da3c73a2b7720fa9b
SSDEEP

384:PTueO36c51CHcoDy6P1UluLLwc5V1S2Y3uyIv4wUe7ixTT3evn/q:PTFG2bDy6NUlBc/1S2oZ7e7iRT3e/

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	2240	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 1824 wrote to memory of 2240	1824	rundll32.exe	30
PID 2240 wrote to memory of 2744	2240	rundll32.exe	31
PID 2240 wrote to memory of 2744	2240	rundll32.exe	31
PID 2240 wrote to memory of 2744	2240	rundll32.exe	31
PID 2240 wrote to memory of 2744	2240	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zpresampler.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\zpresampler.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 224
    3⤵
    - Program crash
    PID:2744

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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