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
480s -
max time network
486s -
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, 15:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
New Client.exe
Resource
win10-20240214-en
windows10-1703-x64
13 signatures
1800 seconds
Behavioral task
behavioral2
Sample
New Client.exe
Resource
win7-20240221-en
windows7-x64
7 signatures
1800 seconds
Behavioral task
behavioral3
Sample
New Client.exe
Resource
win10-20240221-en
windows10-1703-x64
9 signatures
1800 seconds
Behavioral task
behavioral4
Sample
New Client.exe
Resource
win10v2004-20240221-en
windows10-2004-x64
10 signatures
1800 seconds
Behavioral task
behavioral5
Sample
New Client.exe
Resource
win11-20240221-en
windows11-21h2-x64
9 signatures
1800 seconds
Errors
Reason
Machine shutdown
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1414748551-1520717498-2956787782-1000\Control Panel\International\Geo\Nation New Client.exe -
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-1-5-21-1414748551-1520717498-2956787782-1000\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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 3 IoCs
pid Process 676 TASKKILL.exe 1756 taskkill.exe 560 TASKKILL.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "106" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe 3616 New Client.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3616 New Client.exe Token: SeDebugPrivilege 560 TASKKILL.exe Token: SeDebugPrivilege 676 TASKKILL.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe Token: SeIncBasePriorityPrivilege 3616 New Client.exe Token: 33 3616 New Client.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3472 LogonUI.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3616 wrote to memory of 560 3616 New Client.exe 89 PID 3616 wrote to memory of 560 3616 New Client.exe 89 PID 3616 wrote to memory of 560 3616 New Client.exe 89 PID 3616 wrote to memory of 676 3616 New Client.exe 90 PID 3616 wrote to memory of 676 3616 New Client.exe 90 PID 3616 wrote to memory of 676 3616 New Client.exe 90 PID 3616 wrote to memory of 1756 3616 New Client.exe 96 PID 3616 wrote to memory of 1756 3616 New Client.exe 96 PID 3616 wrote to memory of 1756 3616 New Client.exe 96 PID 3616 wrote to memory of 3772 3616 New Client.exe 100 PID 3616 wrote to memory of 3772 3616 New Client.exe 100 PID 3616 wrote to memory of 3772 3616 New Client.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\New Client.exe"C:\Users\Admin\AppData\Local\Temp\New Client.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM wscript.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:560
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C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM cmd.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:676
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C:\Windows\SysWOW64\taskkill.exetaskkill /f im explorer.exe2⤵
- Kills process with taskkill
PID:1756
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C:\Windows\SysWOW64\shutdown.exe"C:\Windows\System32\shutdown.exe" /r /t 002⤵PID:3772
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3950855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3472