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Analysis
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max time kernel
140s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2024, 00:13
Static task
static1
Behavioral task
behavioral1
Sample
b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
Resource
win10v2004-20240226-en
General
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Target
b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
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Size
448KB
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MD5
e786e9c00c9461f5b2f418fcc7bc2dfb
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SHA1
91555166f985f321bf2ee0775fc9dad8c3f24626
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SHA256
b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4
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SHA512
fb146331fa55679b850d3899413e84376fce6d4d03ddcef8e3623f070836915c27b3ce88c0c88cf4a87e06e0b18bda2bde1320db51bf16c297ebfcd109f4ca74
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SSDEEP
12288:RyZE1xxolX33HVIq4DOQS7wEqZQ0npM4dl0v5JdmY:8ZE13olX33HVIq4DOQS7wEqZQEM4dmvN
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3800 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe -
Executes dropped EXE 1 IoCs
pid Process 3800 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe -
Program crash 5 IoCs
pid pid_target Process procid_target 4512 2028 WerFault.exe 86 2272 3800 WerFault.exe 96 2160 3800 WerFault.exe 96 4092 3800 WerFault.exe 96 1008 3800 WerFault.exe 96 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2028 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3800 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2028 wrote to memory of 3800 2028 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe 96 PID 2028 wrote to memory of 3800 2028 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe 96 PID 2028 wrote to memory of 3800 2028 b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe"C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 3562⤵
- Program crash
PID:4512
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C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exeC:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:3800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 3523⤵
- Program crash
PID:2272
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 7683⤵
- Program crash
PID:2160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 7723⤵
- Program crash
PID:4092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 7683⤵
- Program crash
PID:1008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2028 -ip 20281⤵PID:3984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3800 -ip 38001⤵PID:3924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3800 -ip 38001⤵PID:3796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3800 -ip 38001⤵PID:4556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3800 -ip 38001⤵PID:4796
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\b36657ac328849497aa1afffbd01c21374c8bc7ac821ecc843c68e91e74998a4.exe
Filesize448KB
MD590b66805f54052d05d11398861afe2a7
SHA16fbda5e779ba7e5c7f6d6860a332533933af398f
SHA25649478e7e9c9d66cb216d00dfffda87f3823118889cfd40db3e0575dbe88614f5
SHA5125dda932c4ce9d9a277407227ec2090c581d2c19f16cc863f54fe86da497a1d984e41b2231e1a51c627fb11b284d587686c4ae1df2d20a9364910d22e3a8074ac