f1a35e14ac13a6e686195edb94f749f4b256e74f38c03e450535765a179efcf7

Analysis

max time kernel
94s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 22:38

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General

Target

BASS.dll
Size

99KB
MD5

9d85c5a847eb0d67cd2ddf20d29c3eb6
SHA1

c3b75e1e08b82d8d3ff54428d1553dfd9e666520
SHA256

f2f2a653fd360751c71c9f89f74d4d9bb5356eb5471bf9e572794dd565dfb693
SHA512

7ac712fd6f3efe17828a54465e016cfc7e99b3119a32be0ad60a532333a394dbe22c10c5cace2265e1c0f488537ec66403c741a65018c2e681612bf5551179e0
SSDEEP

1536:iqv/Hc/6DZo8ptvL7r1Z7G0hPa2y4vbPF4vEBu7XlVq6NCsN05Vw3jktfu/ma:JGUZLLC0hPa1+P/KqGlIVw3kub

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 3 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 688	1336	rundll32.exe	84
PID 1336 wrote to memory of 688	1336	rundll32.exe	84
PID 1336 wrote to memory of 688	1336	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\BASS.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\BASS.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:688

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/688-0-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

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