4a2015231b4dfe16b32d48c49cf38fb098e01a2dd5016eb91304d2ba033d6901

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 00:20

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General

Target

update.dll
Size

277KB
MD5

cc6e4b689560a13c0e69d9ae0c46d44c
SHA1

a5e0fafeb8bbbab9b26db9e7671f7b89ec10e6ee
SHA256

0d4d2125bd4d02deb9a731e3b05d8e5fef62836c2a93f9219d8cf05aae2776f9
SHA512

df8f4cc59c988199a4b5ad817d8b4547a835fe77fc75337cbc6975db87214c2215658414e508b1593e1a72146459f686bd9b1f4106af66a7e8c8a88d4ccb6666
SSDEEP

6144:efd5q5kTa1bThX43248yk8Hx8oUDfH5mIpZpmi:efWQehuH8l8HCLf5m6pZ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	1344	WerFault.exe	28

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 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 1344 wrote to memory of 2708	1344	rundll32.exe	29
PID 1344 wrote to memory of 2708	1344	rundll32.exe	29
PID 1344 wrote to memory of 2708	1344	rundll32.exe	29
PID 1344 wrote to memory of 2708	1344	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 220
    3⤵
    - Program crash
    PID:2708

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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