Analysis
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max time kernel
66s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 14:03
Static task
static1
Behavioral task
behavioral1
Sample
48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Resource
win10v2004-20221111-en
General
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Target
48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
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Size
1.1MB
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MD5
a11ed474e0bb2241b18441dfd55352b6
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SHA1
8d6be791605277ae13c2f4bf6aa16ae98638464f
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SHA256
48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
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SHA512
e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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SSDEEP
24576:488FqvRKoPw8NEx4VmPmsDx7Gk+Reb0wW:48fRbE2VolvZW
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe -
Loads dropped DLL 7 IoCs
pid Process 1412 WerFault.exe 1412 WerFault.exe 1412 WerFault.exe 1412 WerFault.exe 1412 WerFault.exe 1412 WerFault.exe 1412 WerFault.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1992 set thread context of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 -
Program crash 1 IoCs
pid pid_target Process procid_target 1412 1516 WerFault.exe 29 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1992 wrote to memory of 1516 1992 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 29 PID 1516 wrote to memory of 1412 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 32 PID 1516 wrote to memory of 1412 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 32 PID 1516 wrote to memory of 1412 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 32 PID 1516 wrote to memory of 1412 1516 48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe"C:\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe"C:\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe" Track="0001001000"2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 13843⤵
- Loads dropped DLL
- Program crash
PID:1412
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698
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\Users\Admin\AppData\Local\Temp\48a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4.exe
Filesize1.1MB
MD5a11ed474e0bb2241b18441dfd55352b6
SHA18d6be791605277ae13c2f4bf6aa16ae98638464f
SHA25648a4bfd3dd161dc15e15a447f38085b6529e79f35c0ff241ba5858c4aac103d4
SHA512e4c31a7839f0835b8aba160bad77b287c582be2f5bc0a3e07d222cbb39531465c88c0ce5db7cfe000cdf4e724b381bb92c7f9a888ab1edfe74651cd590caa698