237249055c3f8e6ddbc914e2a6e20585900258c43e0c803a39a27cb9dff18740

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 06:36

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General

Target

Modules/cus.dll
Size

102KB
MD5

00891189e59f6a7e46eecac16b74b1ad
SHA1

76830ff005fab980a29fec04dc3a68a1431c222e
SHA256

8787d85f4c61c0f02c0249c0cf978e666440b7a7c32057c97d2e49920170423e
SHA512

12be1705f10cf591fcbd2fe82baf895edc29b6eb1256be6ab46aa977d1f4d8b00a48e4a99f1f1aabbcd716dc2077f984f1a344288d8fcf0e4fa90463df8bc22a
SSDEEP

1536:e7PSVQhAoTtwAjjk2Ve9z7BvFjuJfCv6+LSEYxQcetvch89lVsGU793jHOCshOSD:eD+807BvFjuJWVlY96CshOYbZRK6

Score

3^/10

discovery

Malware Config

Signatures

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 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\cus.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\cus.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1740

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

Windows 7 deprecation

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