Analysis
- max time kernel
147s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
09/05/2024, 01:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe
Resource
win7-20240221-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe
Resource
win10v2004-20240508-en
3 signatures
150 seconds
General
- Target c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe
- Size 932KB
- Sample240509-cet7cscc4s
- SHA256 c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571
- MD5 37845d07d093d70f454ac8e2b685bee7
- SHA1 9b5eeacf7c84c7cef44f436fb05135b7ac20520c
- SHA512 2c22475e6a4a19d6238125d2f8db6c81ca102532e856fa8adaff74fefdfd3abf4e8faa02425f4e6bfe0da78f32634a3afec51fd30c1b0285962d32169d42f45f
- SSDEEP 12288:MOQNMIt3+hioijxOcaGW/v7EOEfvnJUC2+6zI4cHkYaG6U5SqFS4609bCFrZd:LWMIMhiop+4wjfvT2dMINbU5zFQmUz
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 3 IoCs
resource yara_rule behavioral2/memory/5108-3-0x0000000000400000-0x00000000004EE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/5108-4-0x0000000000400000-0x00000000004EE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/5108-8-0x0000000000400000-0x000000000046F000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3248 5108 WerFault.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe"C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe"1⤵
- Writes to the Master Boot Record (MBR)
PID:5108 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 6922⤵
- Program crash
PID:3248
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5108 -ip 51081⤵PID:4888