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Analysis
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max time kernel
159s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe
Resource
win10v2004-20240226-en
General
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Target
aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe
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Size
4.2MB
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MD5
1d748e27446ac0207c5defb09bf66286
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SHA1
9295c22c55232df43db693988bd544cfb2256548
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SHA256
aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad
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SHA512
e9d86bb7968db4d748ae0baad27e62613230e4c55ef903cb5b039d6d7827c45c9d390e38b8cb63072999954c348b5004d7c12d599520e94155724ba4dae896d2
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SSDEEP
98304:pnY8hbz61jPP3Eh/LJZCXyvoIfYYVNVbct1:5ZgjPP30LJZCixYYVs
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4344-2-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/4344-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4344-25-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4344-29-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4344-32-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/4344-60-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/1516-63-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4344-64-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/1516-91-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/1516-111-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/1516-115-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/1516-161-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-199-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-259-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-267-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-276-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-278-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-280-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-282-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4880-284-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4956 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4880 csrss.exe 2128 injector.exe 3432 windefender.exe 932 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000072f-270.dat upx behavioral1/memory/3432-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/932-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/932-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process 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 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 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 -
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 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4792 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4632 4344 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1856 schtasks.exe 116 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3664 powershell.exe 3664 powershell.exe 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1484 powershell.exe 1484 powershell.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 2980 powershell.exe 2980 powershell.exe 8 powershell.exe 8 powershell.exe 3660 powershell.exe 3660 powershell.exe 4604 powershell.exe 4604 powershell.exe 3844 powershell.exe 3844 powershell.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 4880 csrss.exe 4880 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 4880 csrss.exe 4880 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 4880 csrss.exe 4880 csrss.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe 2128 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Token: SeImpersonatePrivilege 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 3660 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 3844 powershell.exe Token: SeSystemEnvironmentPrivilege 4880 csrss.exe Token: SeSecurityPrivilege 4792 sc.exe Token: SeSecurityPrivilege 4792 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4344 wrote to memory of 3664 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 88 PID 4344 wrote to memory of 3664 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 88 PID 4344 wrote to memory of 3664 4344 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 88 PID 1516 wrote to memory of 1484 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 102 PID 1516 wrote to memory of 1484 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 102 PID 1516 wrote to memory of 1484 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 102 PID 1516 wrote to memory of 796 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 104 PID 1516 wrote to memory of 796 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 104 PID 796 wrote to memory of 4956 796 cmd.exe 106 PID 796 wrote to memory of 4956 796 cmd.exe 106 PID 1516 wrote to memory of 2980 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 107 PID 1516 wrote to memory of 2980 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 107 PID 1516 wrote to memory of 2980 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 107 PID 1516 wrote to memory of 8 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 109 PID 1516 wrote to memory of 8 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 109 PID 1516 wrote to memory of 8 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 109 PID 1516 wrote to memory of 4880 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 111 PID 1516 wrote to memory of 4880 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 111 PID 1516 wrote to memory of 4880 1516 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 111 PID 4880 wrote to memory of 3660 4880 csrss.exe 112 PID 4880 wrote to memory of 3660 4880 csrss.exe 112 PID 4880 wrote to memory of 3660 4880 csrss.exe 112 PID 4880 wrote to memory of 4604 4880 csrss.exe 118 PID 4880 wrote to memory of 4604 4880 csrss.exe 118 PID 4880 wrote to memory of 4604 4880 csrss.exe 118 PID 4880 wrote to memory of 3844 4880 csrss.exe 120 PID 4880 wrote to memory of 3844 4880 csrss.exe 120 PID 4880 wrote to memory of 3844 4880 csrss.exe 120 PID 4880 wrote to memory of 2128 4880 csrss.exe 122 PID 4880 wrote to memory of 2128 4880 csrss.exe 122 PID 3432 wrote to memory of 4092 3432 windefender.exe 128 PID 3432 wrote to memory of 4092 3432 windefender.exe 128 PID 3432 wrote to memory of 4092 3432 windefender.exe 128 PID 4092 wrote to memory of 4792 4092 cmd.exe 129 PID 4092 wrote to memory of 4792 4092 cmd.exe 129 PID 4092 wrote to memory of 4792 4092 cmd.exe 129 -
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\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe"C:\Users\Admin\AppData\Local\Temp\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3664
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C:\Users\Admin\AppData\Local\Temp\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe"C:\Users\Admin\AppData\Local\Temp\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.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:1516 -
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:1484
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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:796 -
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:4956
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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:2980
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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:8
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
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:3660
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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:1856
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:668
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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:4604
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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:3844
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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⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2128
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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:116
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3432 -
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⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
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
- Suspicious use of AdjustPrivilegeToken
PID:4792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 8122⤵
- Program crash
PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4344 -ip 43441⤵PID:5004
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:932
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c6fab8d10f229a2dd70df1bb4a4d50f
SHA11cf1c0b37677aa59c34725dc4478fd97a365aa92
SHA2563f6463aee5c1093604f9fcbd45e7cfc16fb4ddd7ba9c58c1de5f68d23aa7b1d3
SHA5121462edfda0ee1847d52bed388f87384f9f2acf598e9cfa50af2da5f084f611971de3c27e3fa22293da59a966d68bcb0ddddfd9c908d406030dba88a0fbcc694c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c615d3388e0b1bd92dc372edf2cf85b7
SHA1123db9ba4dd054ef8c00e7dae4aedc036a5a9a31
SHA25648db1e6a2a9806077de4e30d3f5e91369f186f736a0b04aa60c8ea15ca1a8403
SHA5128f71d213831be640d27dbb3d9d5df3fa62e33b4e94e41247bf8fb343111cc275a931d1d319bc0d4b483430b8ae83155ec49e13f94dda762a5b4edc4d3506ef10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb5a08518271e56f4f488e2db7343deb
SHA17a0a7213c6c46cddfe699b79b0afa18216d9a227
SHA256bdbab01d9d10686010693a44fa42ccd9064d21913d4f4ee48e239ec52f69c549
SHA5125dcd8f46c56655ccb21f92c5ac968e736d54aa5dba96375f338f3722c152e7b9941a14553b5b387f546ef99661e0adf7d4626f9e73adcfc00736a22e4a8ab1cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52001370e3ccf58837f2d1e19e61305ae
SHA1595f43cb1d09873b9631d63762faaf013de54749
SHA2564c7cb00838f6a46209c9745503e5e93f2e3508a5ac2a63f3e931110ab32cfdc3
SHA51263aade259a14123466f2a188b171ce4ed3e174eec598576238f96c268294938f69daf189f72682a821db64969e3674a4f23ef127f403ab7af6e7c4c9535cddad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566cc3d94b24a73b2d8bc262a04ff6f66
SHA1d91b0fb76bd36cab444e67885b22e71c25663fbc
SHA2565ba1fbad67f3ff887817bf14879bcf26ccabee3ba51e4aa04b358ff0374cd0c5
SHA51297e12b21966edac1ee3c080e84c78c79a371839e8ea93e4a4344cd053941382f0b1cdbe2a0ba5867a395869812042bddaabfe4ad1dff69dec031158a5588dda0
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Filesize
4.2MB
MD51d748e27446ac0207c5defb09bf66286
SHA19295c22c55232df43db693988bd544cfb2256548
SHA256aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad
SHA512e9d86bb7968db4d748ae0baad27e62613230e4c55ef903cb5b039d6d7827c45c9d390e38b8cb63072999954c348b5004d7c12d599520e94155724ba4dae896d2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec