c79f2f6cd70358a2df2382bcb191aa6f22ba0d17d547e1e2c4350d0546c9be24

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 16:17

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General

Target

bass.dll
Size

90KB
MD5

048e4659465b2f39511cf2e81a7e5a3b
SHA1

f447e872bb8d0878d9a708ff661be523361464dd
SHA256

fda6a046ccaa6bbb1a5f7c75e9ff7d936aaf841d1fbced495141604dcac081a8
SHA512

24cbd4dbe0fb6288611317f91de0c67d4c0012935a61361bdacaac679ed677477a2c7b4a9f3ca050b2b2a92fb188e874bc81b0f18462198ae2817c9df6cf71c2
SSDEEP

1536:DClBV+haFHIrvX3EyeswkxJd342m3OQ3m/FlXZOelGqNYQrEEqpeqsyFkXzLx4l7:et+UForv3ELkNpm3Ok2ZAwGSYsE9peqt

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 2520 wrote to memory of 1848	2520	rundll32.exe	30
PID 2520 wrote to memory of 1848	2520	rundll32.exe	30
PID 2520 wrote to memory of 1848	2520	rundll32.exe	30
PID 2520 wrote to memory of 1848	2520	rundll32.exe	30
PID 2520 wrote to memory of 1848	2520	rundll32.exe	30
PID 2520 wrote to memory of 1848	2520	rundll32.exe	30
PID 2520 wrote to memory of 1848	2520	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1848

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/1848-0-0x0000000010000000-0x0000000010040000-memory.dmp

Filesize
256KB

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memory/1848-1-0x000000001003F000-0x0000000010040000-memory.dmp

Filesize
4KB

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