Analysis
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max time kernel
136s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 07:55
Static task
static1
Behavioral task
behavioral1
Sample
effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe
Resource
win10v2004-20220812-en
General
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Target
effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe
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Size
10KB
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MD5
fbee3e39b2b39fa60a8be3f13d1f98a3
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SHA1
1bf40c0c919ae15957ce7b49841317ac9e41a497
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SHA256
effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae
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SHA512
9fe80bd109d58a515e1d155bf11b8d84431f65f24724b6bcbf30123ab920b60be78c5d8948985590d484f5c53c7895e313eaa55c2b9e95ce639eb6a54dc187c6
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SSDEEP
192:uPzu2qjomwqFWQS4NajcQXzTeb0+vlOpWAZ79z5D1Q54Iz05LS/eNu:8K2qjoqF8U+eA+9GWAZRYaI41S/eNu
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4016 system.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\jiu.txt effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe File created C:\Windows\SysWOW64\system.exe effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe File opened for modification C:\Windows\SysWOW64\system.exe effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2232 wrote to memory of 4016 2232 effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe 80 PID 2232 wrote to memory of 4016 2232 effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe 80 PID 2232 wrote to memory of 4016 2232 effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe 80 PID 2232 wrote to memory of 1796 2232 effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe 81 PID 2232 wrote to memory of 1796 2232 effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe 81 PID 2232 wrote to memory of 1796 2232 effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe"C:\Users\Admin\AppData\Local\Temp\effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe"1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\system.exeC:\Windows\system32\system.exe2⤵
- Executes dropped EXE
PID:4016
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C:\Windows\SysWOW64\cmd.execmd /c del /q /a "C:\Users\Admin\AppData\Local\Temp\effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae.exe"2⤵PID:1796
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
10KB
MD5fbee3e39b2b39fa60a8be3f13d1f98a3
SHA11bf40c0c919ae15957ce7b49841317ac9e41a497
SHA256effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae
SHA5129fe80bd109d58a515e1d155bf11b8d84431f65f24724b6bcbf30123ab920b60be78c5d8948985590d484f5c53c7895e313eaa55c2b9e95ce639eb6a54dc187c6
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Filesize
10KB
MD5fbee3e39b2b39fa60a8be3f13d1f98a3
SHA11bf40c0c919ae15957ce7b49841317ac9e41a497
SHA256effefbd4b6c2c90ca40017ec15000fb32f68d7fa1c1d30df69b8cd906b6e51ae
SHA5129fe80bd109d58a515e1d155bf11b8d84431f65f24724b6bcbf30123ab920b60be78c5d8948985590d484f5c53c7895e313eaa55c2b9e95ce639eb6a54dc187c6