0568e45dfc54c298f485c20a0a309764fc0008fd525e20e524d8ab00c348056e

Analysis

max time kernel
331s
max time network
442s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 14:53

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General

Target

_zlib.dll
Size

59KB
MD5

76cc57b4913d3adb1b662009ef149d79
SHA1

4bf0eaa311b70b2d809260fbd2d39bc766940089
SHA256

9c0fd8899c3538bc5807ac4804376a562e5ae71699c142fe3f4a648263b790d2
SHA512

47e0533b6ddb7099b840881afb060b915a6e4f9463d71dcad6a329ca03b4048cca83625106af00e8a55c2ced686c4b65a21f58f0d2e5c0a3008b4f5d67aef2d9
SSDEEP

1536:cYp1b8GzOULTYAVHp+nToIftIOjIOyMH:NqgjXYA/aTBfnFyMH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3364	5012	WerFault.exe	80

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 3 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 5012	2168	rundll32.exe	80
PID 2168 wrote to memory of 5012	2168	rundll32.exe	80
PID 2168 wrote to memory of 5012	2168	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_zlib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_zlib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 604
    3⤵
    - Program crash
    PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5012 -ip 5012
1⤵
PID:316

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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