Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2022 21:19
Static task
static1
Behavioral task
behavioral1
Sample
4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe
Resource
win10v2004-20220901-en
General
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Target
4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe
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Size
316KB
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MD5
0ceea61bc6edaf3be3181f4bf371fe60
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SHA1
6008989ba2490a423b261e6980053810dcc116cc
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SHA256
4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c
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SHA512
8d940a209c28479d321cc2e064c08a8b513d9e80693bf3e5ef4650b82ff09f0b632958dcfb4da8e76884b2cfcc0596e9bae6d09b0c3594671dcc0e4ec48f7a96
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SSDEEP
3072:ZnBSM9pb9TzlqZZtvtPbacIxxW5BczeLstUauCSXlqoOJzYkXIXWNBUpGeVMVFi3:OMjb9TOZtNWcIxEq7urkNfu8Fq8xuje0
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4804 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2cmgr.exe -
resource yara_rule behavioral2/files/0x0003000000022dd6-134.dat upx behavioral2/files/0x0003000000022dd6-135.dat upx behavioral2/memory/4804-136-0x0000000000400000-0x000000000045B000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3632 4804 WerFault.exe 81 -
Modifies registry class 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\ = "Filter Graph" 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4165EB~1.EXE \"%1\"" 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.GRF 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.GRF\ = "GraphEdtGraph" 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2804 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe 2804 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2804 wrote to memory of 4804 2804 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe 81 PID 2804 wrote to memory of 4804 2804 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe 81 PID 2804 wrote to memory of 4804 2804 4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe"C:\Users\Admin\AppData\Local\Temp\4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2c.exe"1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Users\Admin\AppData\Local\Temp\4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2cmgr.exeC:\Users\Admin\AppData\Local\Temp\4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2cmgr.exe2⤵
- Executes dropped EXE
PID:4804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 2643⤵
- Program crash
PID:3632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4804 -ip 48041⤵PID:1660
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2cmgr.exe
Filesize105KB
MD5dfb5daabb95dcfad1a5faf9ab1437076
SHA14a199569a9b52911bee7fb19ab80570cc5ff9ed1
SHA25654282ec29d4993ed6e9972122cfbb70bba4898a21d527bd9e72a166d7ec2fdc0
SHA5125d31c34403ab5f8db4a6d84f2b5579d4ea18673914b626d78e458a648ac20ddd8e342818e807331036d7bb064f596a02b9737acac42fbead29260343a30717e8
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C:\Users\Admin\AppData\Local\Temp\4165eb5fc7966d7ccd54b5f5906c24e115e1e1794b958a1349150d7a3db51f2cmgr.exe
Filesize105KB
MD5dfb5daabb95dcfad1a5faf9ab1437076
SHA14a199569a9b52911bee7fb19ab80570cc5ff9ed1
SHA25654282ec29d4993ed6e9972122cfbb70bba4898a21d527bd9e72a166d7ec2fdc0
SHA5125d31c34403ab5f8db4a6d84f2b5579d4ea18673914b626d78e458a648ac20ddd8e342818e807331036d7bb064f596a02b9737acac42fbead29260343a30717e8