Analysis
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max time kernel
15s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 19:08
Static task
static1
Behavioral task
behavioral1
Sample
10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe
Resource
win10v2004-20240226-en
General
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Target
10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe
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Size
4.2MB
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MD5
27e27a57745e7beb5021313a3dba3612
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SHA1
e40894dcbd73d7c34ac1454627564c9c3ebec58c
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SHA256
10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51
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SHA512
7fce3b45c85ad51fe1e1d509147734c020920ec4956f3f82875bb638fda8333f2d4b739534262649e2cd76261b1b953b8dadd1b75bfa6640a2c1f12038a93bee
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SSDEEP
98304:W+HT2dFOlkJa7jNZC2ePu9ILkthheCYlOaY:PzMKBrC2kuA8hntr
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4908-2-0x00000000053C0000-0x0000000005CAB000-memory.dmp family_glupteba behavioral2/memory/4908-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3628-52-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/3628-60-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4908-66-0x00000000053C0000-0x0000000005CAB000-memory.dmp family_glupteba behavioral2/memory/4908-79-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3628-147-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-239-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-249-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-252-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-255-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-258-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-261-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-264-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-267-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-270-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-273-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-276-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-279-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1028-282-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1908 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 1028 csrss.exe -
resource yara_rule behavioral2/files/0x000200000002aa0c-243.dat upx behavioral2/memory/3876-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2316-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2316-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe File created C:\Windows\rss\csrss.exe 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1152 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4640 schtasks.exe 1244 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 916 powershell.exe 916 powershell.exe 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3284 powershell.exe 3284 powershell.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 2164 powershell.exe 2164 powershell.exe 1136 powershell.exe 1136 powershell.exe 72 powershell.exe 72 powershell.exe 4992 powershell.exe 4992 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Token: SeImpersonatePrivilege 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe Token: SeDebugPrivilege 3284 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 72 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 4908 wrote to memory of 916 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 81 PID 4908 wrote to memory of 916 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 81 PID 4908 wrote to memory of 916 4908 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 81 PID 3628 wrote to memory of 3284 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 106 PID 3628 wrote to memory of 3284 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 106 PID 3628 wrote to memory of 3284 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 106 PID 3628 wrote to memory of 3528 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 88 PID 3628 wrote to memory of 3528 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 88 PID 3528 wrote to memory of 1908 3528 cmd.exe 109 PID 3528 wrote to memory of 1908 3528 cmd.exe 109 PID 3628 wrote to memory of 2164 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 91 PID 3628 wrote to memory of 2164 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 91 PID 3628 wrote to memory of 2164 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 91 PID 3628 wrote to memory of 1136 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 93 PID 3628 wrote to memory of 1136 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 93 PID 3628 wrote to memory of 1136 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 93 PID 3628 wrote to memory of 1028 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 95 PID 3628 wrote to memory of 1028 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 95 PID 3628 wrote to memory of 1028 3628 10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe 95 PID 1028 wrote to memory of 72 1028 csrss.exe 96 PID 1028 wrote to memory of 72 1028 csrss.exe 96 PID 1028 wrote to memory of 72 1028 csrss.exe 96 PID 1028 wrote to memory of 4992 1028 csrss.exe 102 PID 1028 wrote to memory of 4992 1028 csrss.exe 102 PID 1028 wrote to memory of 4992 1028 csrss.exe 102 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe"C:\Users\Admin\AppData\Local\Temp\10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:916
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C:\Users\Admin\AppData\Local\Temp\10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe"C:\Users\Admin\AppData\Local\Temp\10570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3284
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1908
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2164
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:72
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:912
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵PID:3284
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1244 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:1908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:3876
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C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵PID:4820
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C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
PID:1152
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:2316
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5136dfabd47e6124d4e79d4872cb653de
SHA192bb7219bd8d8f0d289068780412cafd0eb92600
SHA2563222deb526f30ca16356854ddd037fbb29ee3cf8b556e2ecfb82f2c155962c67
SHA5129e77ce5016f6c373f0b7ae301d23170f09edd993a9a0fc3e4e8c1dbe22ebf61cf21f77d429e49d220841da6903d4a96963647a08078883688e341f95c61dfb78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5035fa2c1a3c00929b92e15b6a903a3d9
SHA1fe42a61df2db6243a6c55a6c01b7daa5b2985fda
SHA256d617b5b52c97ab5543ecbbc9e0accb9260ff3a5d68796a24632d71a85075049c
SHA512fce0cd0c93d3b703dcdd87e89aedae944f129540c0cf5b36c01efde3d8bdc58f0097169e79f0610ec8b3a3f0a31544e3448760b315c971a245cff24dc4ce6f3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531244da8d9a28404585f3ef2caebb918
SHA1a01668ea5cf9de9907cb4d1adff0a0f957ae1f6a
SHA2568e1faf29c3670c1f137cb2ab7237576ef8e0acd60b2ec1c93f5b72a0fb5c9828
SHA512cff72f950640a6c1b6bf058216e8154090aa13afc3f2689e1e9e64e7f95428dd101d46cd4004ca31a25173fc0776ef55dc48d3d10907706a4f9f6141776a1546
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571757d303c6ecae7800e3768e3407364
SHA156235aec11ff18922bf11cdcbc044f4ec1026b35
SHA256472346fd6c0edf98edfd045be270ec7f16748da90374643cf5a2e35d8f2472ad
SHA512b4af2c44e8beef980b98d017279c4b9877b69877da7f1b6302c465b4c9e6eb216c6f08b2902663ad53b397160db8a15112409e8b339eb3b19de407cc24810aa0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580827eb5616e5828098c3942270157fa
SHA1e28a7af1d55d0220d06b111ab45260ecbdca106d
SHA256d32a9c5b58688875918b53e92cd06a40884ffdbf4cb2fb57a2a2394b196e4302
SHA512d702d312f10c16ff9dbf3d10d2e638612848d37cfd07726c9017aac4db833f412cead6a554f81da0b63a776a93378d3468567a4b5650cb63ebc662e5c630eb79
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Filesize
4.2MB
MD527e27a57745e7beb5021313a3dba3612
SHA1e40894dcbd73d7c34ac1454627564c9c3ebec58c
SHA25610570aba07efb7b81ea85a6cc53a53b8e82670483f40531627793b27da8eab51
SHA5127fce3b45c85ad51fe1e1d509147734c020920ec4956f3f82875bb638fda8333f2d4b739534262649e2cd76261b1b953b8dadd1b75bfa6640a2c1f12038a93bee
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec