Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 19:14
Static task
static1
Behavioral task
behavioral1
Sample
1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe
Resource
win10v2004-20240508-en
General
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Target
1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe
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Size
4.1MB
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MD5
712eddab22ecda5cb8f1f5c9f53b3afd
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SHA1
dad637b8c9c6a094f8e53f59b243abb3b0cc30a1
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SHA256
1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2
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SHA512
cd7ce3f109899d11a3450f109578e53fdae9576badaa4a9b21eae672b9747db75f30b6548444210f92c88f3304f426e22a97b40605b973b396a9a25e265a7a23
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SSDEEP
98304:yZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJX:YufQJ+wrvRp/OL3LVxY3GFuq2BkwJX
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4932-2-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral2/memory/4932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4932-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4932-54-0x0000000004D40000-0x000000000562B000-memory.dmp family_glupteba behavioral2/memory/4932-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3448-122-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3448-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4256-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2796 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4256 csrss.exe 4352 injector.exe 4016 windefender.exe 2916 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa2b-209.dat upx behavioral2/memory/4016-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4016-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2916-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2916-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe File created C:\Windows\rss\csrss.exe 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2912 sc.exe -
pid Process 4832 powershell.exe 2848 powershell.exe 1628 powershell.exe 1812 powershell.exe 572 powershell.exe 3744 powershell.exe 4724 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3844 4932 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2256 schtasks.exe 2504 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.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\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4724 powershell.exe 4724 powershell.exe 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 4832 powershell.exe 4832 powershell.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 2848 powershell.exe 2848 powershell.exe 1628 powershell.exe 1628 powershell.exe 1812 powershell.exe 1812 powershell.exe 572 powershell.exe 572 powershell.exe 3744 powershell.exe 3744 powershell.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4256 csrss.exe 4256 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4256 csrss.exe 4256 csrss.exe 4352 injector.exe 4352 injector.exe 4256 csrss.exe 4256 csrss.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe 4352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Token: SeImpersonatePrivilege 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 1812 powershell.exe Token: SeDebugPrivilege 572 powershell.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeSystemEnvironmentPrivilege 4256 csrss.exe Token: SeSecurityPrivilege 2912 sc.exe Token: SeSecurityPrivilege 2912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4932 wrote to memory of 4724 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 82 PID 4932 wrote to memory of 4724 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 82 PID 4932 wrote to memory of 4724 4932 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 82 PID 3448 wrote to memory of 4832 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 90 PID 3448 wrote to memory of 4832 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 90 PID 3448 wrote to memory of 4832 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 90 PID 3448 wrote to memory of 2004 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 92 PID 3448 wrote to memory of 2004 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 92 PID 2004 wrote to memory of 2796 2004 cmd.exe 94 PID 2004 wrote to memory of 2796 2004 cmd.exe 94 PID 3448 wrote to memory of 2848 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 95 PID 3448 wrote to memory of 2848 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 95 PID 3448 wrote to memory of 2848 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 95 PID 3448 wrote to memory of 1628 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 97 PID 3448 wrote to memory of 1628 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 97 PID 3448 wrote to memory of 1628 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 97 PID 3448 wrote to memory of 4256 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 99 PID 3448 wrote to memory of 4256 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 99 PID 3448 wrote to memory of 4256 3448 1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe 99 PID 4256 wrote to memory of 1812 4256 csrss.exe 100 PID 4256 wrote to memory of 1812 4256 csrss.exe 100 PID 4256 wrote to memory of 1812 4256 csrss.exe 100 PID 4256 wrote to memory of 572 4256 csrss.exe 106 PID 4256 wrote to memory of 572 4256 csrss.exe 106 PID 4256 wrote to memory of 572 4256 csrss.exe 106 PID 4256 wrote to memory of 3744 4256 csrss.exe 108 PID 4256 wrote to memory of 3744 4256 csrss.exe 108 PID 4256 wrote to memory of 3744 4256 csrss.exe 108 PID 4256 wrote to memory of 4352 4256 csrss.exe 110 PID 4256 wrote to memory of 4352 4256 csrss.exe 110 PID 4016 wrote to memory of 3352 4016 windefender.exe 116 PID 4016 wrote to memory of 3352 4016 windefender.exe 116 PID 4016 wrote to memory of 3352 4016 windefender.exe 116 PID 3352 wrote to memory of 2912 3352 cmd.exe 117 PID 3352 wrote to memory of 2912 3352 cmd.exe 117 PID 3352 wrote to memory of 2912 3352 cmd.exe 117 -
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\1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe"C:\Users\Admin\AppData\Local\Temp\1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724
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C:\Users\Admin\AppData\Local\Temp\1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.exe"C:\Users\Admin\AppData\Local\Temp\1ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2.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:3448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832
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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:2004 -
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:2796
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628
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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:4256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1812
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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:2256
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4308
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3744
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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:4352
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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:2504
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4016 -
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:3352 -
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:2912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 8402⤵
- Program crash
PID:3844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4932 -ip 49321⤵PID:3660
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2916
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d43e7749cdc89cc80d8850e4e762228
SHA11c21f49a10b7e53c6abc0e87fa7937fc2581c581
SHA256c69e276b44166ba7fe453741d631f159aa3d2b7f0780314e5ccddbb840b9e93e
SHA512bc3c75b8820a41c279c1736fe8219eb5b0e6360f7f183b20c8e322db2be06b3a3de1b2ca893a5d5fcf8e12a56b33ff8a9b77b166c147fe3ddaaa4673bc2e070a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57cd314b9b52dc7fdf7fcc7eed06d0c48
SHA15be13017c538207ea2bba575643b728db77fde74
SHA256c130aa5835848588fa4c00cde7eae7dd3966df278ba116a70af9b2ef8b230f82
SHA512b382d995bca981e17975a92ac9d5501f2576258c584d207f5af8804921fe6266d6b6088483779695d71d1f1de5cfaf0d24ee5d29a025ee6d3a8539c3cb0ec0d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537dea648d913819a7c9a685ea2d3a2a0
SHA18f6ef12e401220a608a1d1f29f4e97b3cf7b9e39
SHA2561f02c1c3030e7b3627bdb3378be1a6f98c12c2b61703aa73f3fa86755706fe34
SHA51225178af9d6f1a253c7747b58f8214669e65a35b9c84444e3bd29af920909b36bb46a296d6755662244509497975cfa65a80cad9e743709927caa6fcb1cbadfea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d33f769eee2bb0a5901c5dfcabba441
SHA1c00c1d99dfde4b518b2026ba678e3dfa41429308
SHA256ac8e333fd5aebef047956b4ad9748af0ac996a220e6daba085e73f7bc9907ba8
SHA512482e9ff999d6cc5793b71f20e720ff65b556e1fb74d39afd604c0c4576a99718eacf6240377acc01398b5f50fa4ed14774e726ef99c560e6fdaa66fe732f3a9f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57359d5b8ce5c8620cc411310d943129a
SHA1cc77b3365de96b0e56aaaafcf97a14a2a98c15ad
SHA25678f9a8b9feba9a7ba11b62474df7d3ec6a7b02c8718d8725c0a8186cc11bc5e1
SHA51264e000e6cef763833af35fa86b02b1ba67adaa56bd028288166ea0ed5d94e213a25009672df31ba76fb76d0910316e73cc094711d8f0f54b1a392c1ca838f08a
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Filesize
4.1MB
MD5712eddab22ecda5cb8f1f5c9f53b3afd
SHA1dad637b8c9c6a094f8e53f59b243abb3b0cc30a1
SHA2561ae01b63d84989c6719baa1217a2ff280cf2c487d8c72014062ce8537675e3b2
SHA512cd7ce3f109899d11a3450f109578e53fdae9576badaa4a9b21eae672b9747db75f30b6548444210f92c88f3304f426e22a97b40605b973b396a9a25e265a7a23
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec