Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 03:21
Static task
static1
Behavioral task
behavioral1
Sample
4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe
Resource
win10v2004-20240802-en
General
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Target
4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe
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Size
213KB
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MD5
c8947f4af2a68454adc7ef69474ed460
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SHA1
86c9591a2694b73ba65d968eefe6a7275b82c481
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SHA256
4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4
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SHA512
bcc4333fcebebb69e5a27e453b52c6dc6d8a2dd6ce55d871bec9ce881edb6c0394f003c2f8ecdc61e824887312daac29d72ff0495c6481688ba1223fe50f17f8
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SSDEEP
3072:CeUvrwjjl0vxfx8Xxcjx+lzWUzlDASRWvjJ9TMJ9JQqaO4fpNgPYRKitOvoH0:i0jjl0oc9+lz/zl6jrTM2qG7gS7tDH0
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2244 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe -
Executes dropped EXE 1 IoCs
pid Process 2244 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 536 3412 WerFault.exe 81 4576 2244 WerFault.exe 86 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3412 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2244 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3412 wrote to memory of 2244 3412 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe 86 PID 3412 wrote to memory of 2244 3412 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe 86 PID 3412 wrote to memory of 2244 3412 4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe"C:\Users\Admin\AppData\Local\Temp\4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 3962⤵
- Program crash
PID:536
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C:\Users\Admin\AppData\Local\Temp\4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exeC:\Users\Admin\AppData\Local\Temp\4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2244 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 3683⤵
- Program crash
PID:4576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3412 -ip 34121⤵PID:4252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2244 -ip 22441⤵PID:3368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\4c4a59761d41b7a168b209e1e5cbaedb92d78cf11cb81c33e397fb7aac5c98e4N.exe
Filesize213KB
MD51a13483acccf1d451bca761d324c26e0
SHA13338c9781e841a02d28e9b7207bf79ec559ebd5a
SHA2561b66a028ae4c5f2d5ebf16650539e4de0b99b7b7dbc1beb3fcb577666f0a7113
SHA512900a46904282cfe21a986d85a65f5252ddeb54e16af04820c9081e6f7b47b6ae7837ee81ca4055a88111278b91e0a1a1b586f2098d0f255b012c28560c6af6aa