Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 01:44
Static task
static1
Behavioral task
behavioral1
Sample
864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708.exe
Resource
win10v2004-20240426-en
General
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Target
864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708.exe
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Size
932KB
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MD5
ceedc88cac2f50fe515194a39d4f3175
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SHA1
8d2480aacd496424664bc363c98235c3a7077371
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SHA256
864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708
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SHA512
329974caab9955c0370dab0a4724c46c61fe21d640ea49dbe7d66e0987e4f67ff98a28e65c3e38d2891ce89229db9d74fda0fed8b285f50fd7d0be467120b27f
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SSDEEP
12288:MOQNMIt3+hioijxOcaGW/v7ECEfvnJUC2+6zI4cHkYaG6U5SqFS4609bCFrZd:LWMIMhiop+4w3fvT2dMINbU5zFQmUz
Malware Config
Signatures
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 3 IoCs
resource yara_rule behavioral2/memory/3632-3-0x0000000000400000-0x00000000004EE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3632-4-0x0000000000400000-0x00000000004EE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/3632-7-0x0000000000400000-0x000000000046F000-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 864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1352 3632 WerFault.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708.exe"C:\Users\Admin\AppData\Local\Temp\864058982beb96e66a925b7eb77b7add2ced0e27d95391ec80c3fba56f95f708.exe"1⤵
- Writes to the Master Boot Record (MBR)
PID:3632 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 7282⤵
- Program crash
PID:1352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3632 -ip 36321⤵PID:4552