74ae6f1ee17959064c9ceed0af1bbdf49d787860943967f9e936b9da2282f465

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 12:18

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General

Target

KwUpdate.dll
Size

145KB
MD5

0037f8fa478e4b2af85cd3175a117d9b
SHA1

1f544ee28601fefcc1bde6e9b5bcab3073812535
SHA256

6ab064636bb60802f19f0317bb65060e7fa1025b335d33718062b44f4f786257
SHA512

3e5f5dcb18446b7617b7fe3b61e2368a278e7a1fc594e101724c5998cd11826cb3f6ff0f36cb9ce7af4ede5fa959b4aba3c333eb49594d1de3cb0117a4228c70
SSDEEP

3072:taNFwoWxpcWYn6WAmtnj/C9k6hazNxsih3TTBfF+S/Fm0+JD2Wn:tEAk7jscTTBd+EFm0y2Wn

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 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\KwUpdate.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\KwUpdate.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036

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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