18cbce91c14fd3a56e22df3928d04ebe7e327102781395a95e2223ceb565ee10

Analysis

max time kernel
149s
max time network
155s
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/BCUEngineS.dll
Size

3.2MB
MD5

4e14208ce46ae46f95c9137f8d7449d5
SHA1

aae681a496278dc71f73d692905640ec999b033b
SHA256

a1ceda054bc1d4024f874f3b65341d597c0739e5f2f0938f55e15fd6176d74c5
SHA512

e454b4b4d04ad89f39e54d54e83c7485032c200beac137171d3ffd1d01e35d862104cc0193566a7a5e628a90abaeb2e17ede983857846613a7dd980d4e9198fe
SSDEEP

49152:Ky9jC5327LeAyDW06K6mBzsITo59wpGlU+2StoJrtf5inkY:KyjO32fyDW0Gm5sIToTwYTghi

Score

6^/10

discovery

Malware Config

Signatures

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\AVAST Software\Avast	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4788	3644	WerFault.exe	84

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 5116 wrote to memory of 3644	5116	rundll32.exe	84
PID 5116 wrote to memory of 3644	5116	rundll32.exe	84
PID 5116 wrote to memory of 3644	5116	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Application\BCUEngineS.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Application\BCUEngineS.dll,#1
  2⤵
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  PID:3644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 748
    3⤵
    - Program crash
    PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3644 -ip 3644
1⤵
PID:552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Software Discovery

T1518

Security Software Discovery

T1518.001

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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