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Analysis
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max time kernel
149s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 15:06
Static task
static1
Behavioral task
behavioral1
Sample
29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe
Resource
win10v2004-20220901-en
General
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Target
29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe
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Size
56KB
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MD5
6bf9b57f0c5dede417585f341dcc2f40
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SHA1
e40bf30d3a2c596df93b5fb197f5956f4eb7851b
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SHA256
29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e
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SHA512
b9f03328af9e836d9851896c2fe477551626d22f16327030045a27ee1821556711ab32de513d6521e2c5fb6fc87423e1cf14cecc2fe8031faaa28902b0ae5322
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SSDEEP
768:uyP0mzpASojkUKp2vQ3Oo4XQX+yFMw1+gWRrlLVYmYZd9zcqZf:fQjf/1QX+gMwk7rrYBbx
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1672 Fixdriver.exe 1520 Fixdriver.exe -
Loads dropped DLL 2 IoCs
pid Process 460 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 460 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSN = "C:\\Windows\\system32\\Fixdriver.exe" 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\Fixdriver.exe 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe File opened for modification C:\Windows\SysWOW64\Fixdriver.exe 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe File opened for modification C:\Windows\SysWOW64\Fixdriver.exe Fixdriver.exe File opened for modification C:\Windows\SysWOW64\Fixdriver.exe Fixdriver.exe File created C:\Windows\SysWOW64\Fixdriver.exe Fixdriver.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1104 set thread context of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1672 set thread context of 1520 1672 Fixdriver.exe 30 -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 1672 Fixdriver.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 1104 wrote to memory of 460 1104 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 28 PID 460 wrote to memory of 1672 460 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 29 PID 460 wrote to memory of 1672 460 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 29 PID 460 wrote to memory of 1672 460 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 29 PID 460 wrote to memory of 1672 460 29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe 29 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30 PID 1672 wrote to memory of 1520 1672 Fixdriver.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe"C:\Users\Admin\AppData\Local\Temp\29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exeC:\Users\Admin\AppData\Local\Temp\29dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Windows\SysWOW64\Fixdriver.exe"C:\Windows\system32\Fixdriver.exe"3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\Fixdriver.exeC:\Windows\SysWOW64\Fixdriver.exe4⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:1520
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
56KB
MD56bf9b57f0c5dede417585f341dcc2f40
SHA1e40bf30d3a2c596df93b5fb197f5956f4eb7851b
SHA25629dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e
SHA512b9f03328af9e836d9851896c2fe477551626d22f16327030045a27ee1821556711ab32de513d6521e2c5fb6fc87423e1cf14cecc2fe8031faaa28902b0ae5322
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Filesize
56KB
MD56bf9b57f0c5dede417585f341dcc2f40
SHA1e40bf30d3a2c596df93b5fb197f5956f4eb7851b
SHA25629dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e
SHA512b9f03328af9e836d9851896c2fe477551626d22f16327030045a27ee1821556711ab32de513d6521e2c5fb6fc87423e1cf14cecc2fe8031faaa28902b0ae5322
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Filesize
56KB
MD56bf9b57f0c5dede417585f341dcc2f40
SHA1e40bf30d3a2c596df93b5fb197f5956f4eb7851b
SHA25629dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e
SHA512b9f03328af9e836d9851896c2fe477551626d22f16327030045a27ee1821556711ab32de513d6521e2c5fb6fc87423e1cf14cecc2fe8031faaa28902b0ae5322
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Filesize
56KB
MD56bf9b57f0c5dede417585f341dcc2f40
SHA1e40bf30d3a2c596df93b5fb197f5956f4eb7851b
SHA25629dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e
SHA512b9f03328af9e836d9851896c2fe477551626d22f16327030045a27ee1821556711ab32de513d6521e2c5fb6fc87423e1cf14cecc2fe8031faaa28902b0ae5322
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Filesize
56KB
MD56bf9b57f0c5dede417585f341dcc2f40
SHA1e40bf30d3a2c596df93b5fb197f5956f4eb7851b
SHA25629dff93774750f7f7491597d1e5ca0390ccf7f98f2b28a1f7e829af74078b50e
SHA512b9f03328af9e836d9851896c2fe477551626d22f16327030045a27ee1821556711ab32de513d6521e2c5fb6fc87423e1cf14cecc2fe8031faaa28902b0ae5322