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
478s -
max time network
478s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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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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-1-5-21-2297530677-1229052932-2803917579-1000\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 1708 TASKKILL.exe 2188 TASKKILL.exe 2580 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2128 New Client.exe 2128 New Client.exe 2128 New Client.exe 2128 New Client.exe 2128 New Client.exe 2128 New Client.exe 2128 New Client.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2128 New Client.exe Token: SeDebugPrivilege 2188 TASKKILL.exe Token: SeDebugPrivilege 1708 TASKKILL.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe Token: SeIncBasePriorityPrivilege 2128 New Client.exe Token: 33 2128 New Client.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2128 wrote to memory of 1708 2128 New Client.exe 28 PID 2128 wrote to memory of 1708 2128 New Client.exe 28 PID 2128 wrote to memory of 1708 2128 New Client.exe 28 PID 2128 wrote to memory of 1708 2128 New Client.exe 28 PID 2128 wrote to memory of 2188 2128 New Client.exe 29 PID 2128 wrote to memory of 2188 2128 New Client.exe 29 PID 2128 wrote to memory of 2188 2128 New Client.exe 29 PID 2128 wrote to memory of 2188 2128 New Client.exe 29 PID 2128 wrote to memory of 2580 2128 New Client.exe 33 PID 2128 wrote to memory of 2580 2128 New Client.exe 33 PID 2128 wrote to memory of 2580 2128 New Client.exe 33 PID 2128 wrote to memory of 2580 2128 New Client.exe 33 PID 2128 wrote to memory of 2092 2128 New Client.exe 37 PID 2128 wrote to memory of 2092 2128 New Client.exe 37 PID 2128 wrote to memory of 2092 2128 New Client.exe 37 PID 2128 wrote to memory of 2092 2128 New Client.exe 37
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:2128 -
C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM wscript.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1708
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C:\Windows\SysWOW64\TASKKILL.exeTASKKILL /F /IM cmd.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2188
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C:\Windows\SysWOW64\taskkill.exetaskkill /f im explorer.exe2⤵
- Kills process with taskkill
PID:2580
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C:\Windows\SysWOW64\shutdown.exe"C:\Windows\System32\shutdown.exe" /r /t 002⤵PID:2092
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:488
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4f01⤵PID:1784
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2072