Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 03:01
Static task
static1
Behavioral task
behavioral1
Sample
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe
Resource
win10v2004-20240508-en
General
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Target
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe
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Size
213KB
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MD5
b1db8bb0a61ee6c4bd6ecbf7b5037d2e
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SHA1
203cb1f899e7569b646e80583724d0b1611f06ad
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SHA256
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c
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SHA512
a3f170311377468b0c80fb25cfcb2fd600f7fa3f1a36a4e71e373f9c2c0ee5176c1951fab09b9a0b7b2f812fc8f1533167ce83663192ae83aecbe0d00f9b3d54
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SSDEEP
6144:h3ByACVggRC0dRoU+5/9ZEGLlVagS7tDH0:dUligRfWUEUWlValJDH0
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exepid process 2944 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe -
Executes dropped EXE 1 IoCs
Processes:
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exepid process 2944 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3468 4908 WerFault.exe 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe 2720 2944 WerFault.exe 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exepid process 4908 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exepid process 2944 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exedescription pid process target process PID 4908 wrote to memory of 2944 4908 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe PID 4908 wrote to memory of 2944 4908 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe PID 4908 wrote to memory of 2944 4908 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe 8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe"C:\Users\Admin\AppData\Local\Temp\8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 3762⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exeC:\Users\Admin\AppData\Local\Temp\8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 3643⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4908 -ip 49081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2944 -ip 29441⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\8f57b94d3c9a7b565fec5a89dda7e1da604548776cfffa0d3e92b02683fb8a4c.exeFilesize
213KB
MD5ab393b92dd5a841d432507830c80ff8a
SHA169249622cdd9e5de34586439e2ff7e3acb88e6d6
SHA256c5e9cfd45563b40e66adda3b2718042ce04b6cc3f4bcad2845e3a8e9e264101a
SHA51287572c69af79c09eb8575a8c33e4d31953a6b7d71d71eeaf11995ff3acabbfa81439c49c3b5c50684477100579fe9c230c590a49a7a26f496680cb51ef31a734
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memory/2944-7-0x0000000000400000-0x0000000000441000-memory.dmpFilesize
260KB
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memory/2944-8-0x0000000000400000-0x000000000041A000-memory.dmpFilesize
104KB
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memory/2944-13-0x00000000014D0000-0x0000000001511000-memory.dmpFilesize
260KB
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memory/4908-0-0x0000000000400000-0x0000000000441000-memory.dmpFilesize
260KB
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memory/4908-6-0x0000000000400000-0x0000000000441000-memory.dmpFilesize
260KB