18cbce91c14fd3a56e22df3928d04ebe7e327102781395a95e2223ceb565ee10

Analysis

max time kernel
92s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 04:44

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General

Target

Application/BCUSDK.dll
Size

701KB
MD5

dd71f769270d21bda3a5780767437007
SHA1

35d2706ae37338b5093f46c14837d1a6716fbf3a
SHA256

5def7d73f0f381640d93871a7739962aedbb1b95ca0b6f410350999a990e2fdf
SHA512

dba3c614bb84fb6b450de0ea7b4cb64b53bbbf5f0a71a063b344248b1e11a2ccf293b2179ac249e34130ee57c3154e50b91f8badb07b64aaafca3bc4ea10909c
SSDEEP

12288:POtZcbZXzrsk548VyK8SbMAfQBM6LDkzOZYv3JSGeizoyDDk:POrcbZT8AYBpLMO8SGHoys

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 4864 wrote to memory of 3316	4864	rundll32.exe	85
PID 4864 wrote to memory of 3316	4864	rundll32.exe	85
PID 4864 wrote to memory of 3316	4864	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Application\BCUSDK.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Application\BCUSDK.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3316

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

Windows 7 deprecation

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