8348f852775f70444139d4f2cf42fb6fedca972ff91c48eaed56739c840a75d4

Analysis

max time kernel
10s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 11:31

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General

Target

bass.dll
Size

98KB
MD5

b2f3a33416a83666a59470539e9d3701
SHA1

6741ba00b64584d7b61087c429f3eaf0eedc7e8c
SHA256

5ce72179b327b79af31a1824430ab6f86e3a6ed46d858e0a799b6b65999d5e0e
SHA512

c4bd39971fc024fc12971eeae6ecf6baf49e4e7df17bc8fc94079a64356863fa910e84c969ac63d1ffca6a735708fc51767dfbced7e7d259789d84aa484176d0
SSDEEP

1536:W6+TMybo4UnOxNIXZAN3RB2wIrMCaw5uEc72XgAo/9GsuQ7unc:UQycvO8J0RMwtmuEc7MYuc

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 2548 wrote to memory of 2504	2548	rundll32.exe	29
PID 2548 wrote to memory of 2504	2548	rundll32.exe	29
PID 2548 wrote to memory of 2504	2548	rundll32.exe	29
PID 2548 wrote to memory of 2504	2548	rundll32.exe	29
PID 2548 wrote to memory of 2504	2548	rundll32.exe	29
PID 2548 wrote to memory of 2504	2548	rundll32.exe	29
PID 2548 wrote to memory of 2504	2548	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2504

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

Replay Monitor

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Downloads

memory/2504-0-0x0000000011000000-0x0000000011063000-memory.dmp

Filesize
396KB

Download
memory/2504-1-0x0000000011062000-0x0000000011063000-memory.dmp

Filesize
4KB

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