Analysis
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max time kernel
120s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
23-02-2024 14:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
New Client.exe
Resource
win7-20240221-en
windows7-x64
12 signatures
1800 seconds
Behavioral task
behavioral2
Sample
New Client.exe
Resource
win10-20240214-en
windows10-1703-x64
11 signatures
1800 seconds
Behavioral task
behavioral3
Sample
New Client.exe
Resource
win10v2004-20240221-en
windows10-2004-x64
6 signatures
1800 seconds
Behavioral task
behavioral4
Sample
New Client.exe
Resource
win11-20240221-en
windows11-21h2-x64
6 signatures
1800 seconds
General
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Target
New Client.exe
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Size
396KB
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MD5
9b5f12b10b471e0a359bc11e50af28db
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SHA1
5e42890b6b4a299cd954bf8dabaf75b38522c0b0
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SHA256
af34b699b6aa750e58a68516b97b4f8c2f08bd03453a6059f6869847cc63a7bf
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SHA512
1fbf71b9121cb141a617a2e14e466fead22da7cc7c672a8e5f79cab929e10a4f578edba06e8340d40d23f51852b33816a67351b6cecf5a5f72410c1bc0d5b773
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SSDEEP
12288:+WSeotlIH682B+64kQHam2dNREz9FdOZMJwGuE4QyZom8exsrPR5TE7D0XuDTT:+WSmpL
Score
7/10
Malware Config
Signatures
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Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exe New Client.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exe New Client.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.url New Client.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\New Client.exe\" .." New Client.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\New Client.exe\" .." New Client.exe -
Kills process with taskkill 3 IoCs
pid Process 956 TASKKILL.exe 960 TASKKILL.exe 3112 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe 3480 New Client.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 3480 New Client.exe Token: SeDebugPrivilege 960 TASKKILL.exe Token: SeDebugPrivilege 956 TASKKILL.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe Token: 33 3480 New Client.exe Token: SeIncBasePriorityPrivilege 3480 New Client.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3480 wrote to memory of 956 3480 New Client.exe 85 PID 3480 wrote to memory of 956 3480 New Client.exe 85 PID 3480 wrote to memory of 956 3480 New Client.exe 85 PID 3480 wrote to memory of 960 3480 New Client.exe 86 PID 3480 wrote to memory of 960 3480 New Client.exe 86 PID 3480 wrote to memory of 960 3480 New Client.exe 86 PID 3480 wrote to memory of 3112 3480 New Client.exe 95 PID 3480 wrote to memory of 3112 3480 New Client.exe 95 PID 3480 wrote to memory of 3112 3480 New Client.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\New Client.exe"C:\Users\Admin\AppData\Local\Temp\New Client.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM wscript.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:956
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C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM cmd.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:960
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C:\Windows\SysWOW64\taskkill.exetaskkill /f im explorer.exe2⤵
- Kills process with taskkill
PID:3112
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