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Resubmissions
23/02/2024, 15:14
240223-smc6tabh28 723/02/2024, 15:12
240223-slfkjscg6w 723/02/2024, 15:03
240223-sfh4gsbf66 7Analysis
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max time kernel
1264s -
max time network
1256s -
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, 15:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
New Client.exe
Resource
win7-20240221-en
windows7-x64
7 signatures
1800 seconds
Behavioral task
behavioral2
Sample
New Client.exe
Resource
win10-20240221-en
windows10-1703-x64
7 signatures
1800 seconds
Behavioral task
behavioral3
Sample
New Client.exe
Resource
win10v2004-20240221-en
windows10-2004-x64
7 signatures
1800 seconds
Behavioral task
behavioral4
Sample
New Client.exe
Resource
win11-20240221-en
windows11-21h2-x64
7 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-1-5-21-4280069375-290121026-380765049-1000\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 2712 TASKKILL.exe 4484 TASKKILL.exe 4912 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe 924 New Client.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 924 New Client.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 924 New Client.exe Token: SeDebugPrivilege 2712 TASKKILL.exe Token: SeDebugPrivilege 4484 TASKKILL.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe Token: SeIncBasePriorityPrivilege 924 New Client.exe Token: 33 924 New Client.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 924 wrote to memory of 2712 924 New Client.exe 81 PID 924 wrote to memory of 2712 924 New Client.exe 81 PID 924 wrote to memory of 2712 924 New Client.exe 81 PID 924 wrote to memory of 4484 924 New Client.exe 82 PID 924 wrote to memory of 4484 924 New Client.exe 82 PID 924 wrote to memory of 4484 924 New Client.exe 82 PID 924 wrote to memory of 4912 924 New Client.exe 86 PID 924 wrote to memory of 4912 924 New Client.exe 86 PID 924 wrote to memory of 4912 924 New Client.exe 86
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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:924 -
C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM wscript.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2712
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C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM cmd.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4484
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C:\Windows\SysWOW64\taskkill.exetaskkill /f im explorer.exe2⤵
- Kills process with taskkill
PID:4912
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