Analysis
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max time kernel
144s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 11:41
Static task
static1
Behavioral task
behavioral1
Sample
986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe
Resource
win10v2004-20220812-en
General
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Target
986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe
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Size
112KB
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MD5
21ca04114d5fcc65fdc6842c97292dfd
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SHA1
530041e11320c33815d4b57e410036947794f493
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SHA256
986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818
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SHA512
d19af07ae51272038d2a55bb2212311424f923daa15b72959befd1b2d1db3cd1a42a74fb48a1fd94d5501ac50f6a543c9a776e126ce7bc37509ab09bc6552dd7
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SSDEEP
1536:nk1yzj5e2LuYqXzY4px7bX/lG8jnBDhdT4a6+V7JHhyHd:632LuYQY4pjRXdT4h+V5h
Malware Config
Signatures
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Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\amurpm.dll 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe File opened for modification C:\Windows\SysWOW64\userinit.exe 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe File opened for modification C:\Windows\SysWOW64\ntxeed.dll 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4968 set thread context of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 -
Program crash 1 IoCs
pid pid_target Process procid_target 4740 4844 WerFault.exe 80 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80 PID 4968 wrote to memory of 4844 4968 986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe"C:\Users\Admin\AppData\Local\Temp\986354775272cf7c9d6f1800a46d77b661f07224fd5e8feebc006d8d95ca9818.exe"1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe2⤵PID:4844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 123⤵
- Program crash
PID:4740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4844 -ip 48441⤵PID:5112