ea64d4b1c7523535f5481508b4cc2b6111c83bcef2eadca4db526723d3f981cb

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 21:44

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General

Target

bass.dll
Size

90KB
MD5

0be4a226874eccb9f8bfe3d8dced0c09
SHA1

00ef65d450c195b3c790a87c2b6e350829ebbbd0
SHA256

d98cd5d6ed9c4a95701684aa83777cefd5d8096e14c836493f67159d68161c01
SHA512

fc7d885414de92707bb20deeb45189b340a4503f379ff98503266d69b197fd450b71585a16a8de40f16428595ff38a3ae9ed7a3738286b9995cebcb91c14a85e
SSDEEP

1536:U+iZiDjuo02SaDLyXHpb+0zeiDaMuK/R0aMMP8747r+vs9zWyijxuCvWUB:3vV02vDLeHp60a45pAJExEBB

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 3668 wrote to memory of 4444	3668	rundll32.exe	87
PID 3668 wrote to memory of 4444	3668	rundll32.exe	87
PID 3668 wrote to memory of 4444	3668	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4444

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/4444-0-0x0000000010000000-0x0000000010040000-memory.dmp

Filesize
256KB

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