b6251f402464c488e25deb7fe3a2c5aeea4376b6cf51173a7bb2ec5498c5cb29

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 15:39

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General

Target

bass.dll
Size

95KB
MD5

fedd2cea478da0d6d9d6799d4ec350af
SHA1

150a3e20173f84afad54652233f4fca9a545d9f5
SHA256

4e7b44ecfada6d59290b28ad5262a686e34ebf50ac859493c511bba18f38ad06
SHA512

123ef3d85fec64962db8bcef96116f240fad919c8dddb802d3ed78d34aea60c4ca518b620c89da1e7b4d85dcbcd6524a7bcf3924488a53376130152ab940c898
SSDEEP

1536:iXrcASuvllnLoiUmEO246a+S/sA3peqj+fUfE+EnFrFQZP45o5TJhw95HD14X:4cAx9VoXmS46kheqgVBFQZw5eJhw9J5w

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 1784 wrote to memory of 536	1784	rundll32.exe	31
PID 1784 wrote to memory of 536	1784	rundll32.exe	31
PID 1784 wrote to memory of 536	1784	rundll32.exe	31
PID 1784 wrote to memory of 536	1784	rundll32.exe	31
PID 1784 wrote to memory of 536	1784	rundll32.exe	31
PID 1784 wrote to memory of 536	1784	rundll32.exe	31
PID 1784 wrote to memory of 536	1784	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:536

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/536-0-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/536-3-0x0000000010059000-0x000000001005A000-memory.dmp

Filesize
4KB

Download
memory/536-2-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/536-1-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download