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Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/02/2024, 14:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
New Client.exe
Resource
win7-20240215-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
New Client.exe
Resource
win10-20240221-en
windows10-1703-x64
6 signatures
150 seconds
Behavioral task
behavioral3
Sample
New Client.exe
Resource
win10v2004-20240221-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral4
Sample
New Client.exe
Resource
win11-20240221-en
windows11-21h2-x64
6 signatures
150 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-1-5-21-4280069375-290121026-380765049-1000\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 3264 TASKKILL.exe 2120 TASKKILL.exe 1248 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe 4736 New Client.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 4736 New Client.exe Token: SeDebugPrivilege 2120 TASKKILL.exe Token: SeDebugPrivilege 3264 TASKKILL.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe Token: 33 4736 New Client.exe Token: SeIncBasePriorityPrivilege 4736 New Client.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4736 wrote to memory of 2120 4736 New Client.exe 81 PID 4736 wrote to memory of 2120 4736 New Client.exe 81 PID 4736 wrote to memory of 2120 4736 New Client.exe 81 PID 4736 wrote to memory of 3264 4736 New Client.exe 80 PID 4736 wrote to memory of 3264 4736 New Client.exe 80 PID 4736 wrote to memory of 3264 4736 New Client.exe 80 PID 4736 wrote to memory of 1248 4736 New Client.exe 84 PID 4736 wrote to memory of 1248 4736 New Client.exe 84 PID 4736 wrote to memory of 1248 4736 New Client.exe 84
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:4736 -
C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM cmd.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3264
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C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM wscript.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2120
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C:\Windows\SysWOW64\taskkill.exetaskkill /f im explorer.exe2⤵
- Kills process with taskkill
PID:1248
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