aa63d723e0fde39bd468725d9ab31e22fded6f389399dc31f1ccf8bf87bee110

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
28-08-2024 20:51

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General

Target

CORE_RL_zlib_.dll
Size

68KB
MD5

9534c7bb9dd57df50c4420f52d90d0ff
SHA1

7ff46652d2f534477f5cbd11dd741f09a3cda4f8
SHA256

162bd60634dec63aba07b9815010d9424097dd6f7284178069a61f8496bc156d
SHA512

39803e4108e52c35d2f1a4ef48ae50ed0a178989e370d96fd3931a7f5e29730d1002bc1fec8d62deaa11fe4604c38903b235555974814e2c201c79868af7166a
SSDEEP

1536:6D8x+ue7B+yVh9TOW6A1vgg4kXXqHqsnToIfNIOQIOJUBXbR:H+/B+k1d4WqHqATBfHGJUBXbR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	2320	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 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2148 wrote to memory of 2320	2148	rundll32.exe	30
PID 2320 wrote to memory of 2080	2320	rundll32.exe	31
PID 2320 wrote to memory of 2080	2320	rundll32.exe	31
PID 2320 wrote to memory of 2080	2320	rundll32.exe	31
PID 2320 wrote to memory of 2080	2320	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CORE_RL_zlib_.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CORE_RL_zlib_.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 220
    3⤵
    - Program crash
    PID:2080

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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