Analysis
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max time kernel
45s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:08
Static task
static1
Behavioral task
behavioral1
Sample
62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe
Resource
win10v2004-20240426-en
General
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Target
62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe
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Size
4.1MB
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MD5
879254e27447aa757455bfe4811f6da3
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SHA1
ba82bb3d067fe30315e6b7d5dfff2dd17f7a250c
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SHA256
62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7
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SHA512
7a3b4fabbccf5f4757e9da8a2a894f446e93b3cfd9b483afb467d8c3359aae00839b88ffe420a0228540265ee068117803c5da62832273f8463070eeb6daa3ec
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gF:QC1IraEjIw04m/Xfo4a5yka2Q+gF
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4976-2-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/4976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4976-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4976-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4976-58-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/4976-56-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3988-131-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3988-177-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-258-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4936-261-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1784 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4936 csrss.exe 1496 injector.exe -
resource yara_rule behavioral1/files/0x000c000000023452-225.dat upx behavioral1/memory/2324-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2324-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 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 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe File created C:\Windows\rss\csrss.exe 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2212 sc.exe -
pid Process 1388 powershell.exe 4760 powershell.exe 1196 powershell.exe 3408 powershell.exe 1364 powershell.exe 2652 powershell.exe 3408 powershell.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 336 schtasks.exe 2508 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\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\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\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-842 = "Argentina Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe -
Suspicious behavior: EnumeratesProcesses 43 IoCs
pid Process 1388 powershell.exe 1388 powershell.exe 1388 powershell.exe 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 4760 powershell.exe 4760 powershell.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 1196 powershell.exe 1196 powershell.exe 3408 powershell.exe 3408 powershell.exe 1364 powershell.exe 1364 powershell.exe 2652 powershell.exe 2652 powershell.exe 3408 powershell.exe 3408 powershell.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 4936 csrss.exe 4936 csrss.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 4936 csrss.exe 4936 csrss.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Token: SeImpersonatePrivilege 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 1196 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeSystemEnvironmentPrivilege 4936 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4976 wrote to memory of 1388 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 94 PID 4976 wrote to memory of 1388 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 94 PID 4976 wrote to memory of 1388 4976 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 94 PID 3988 wrote to memory of 4760 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 100 PID 3988 wrote to memory of 4760 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 100 PID 3988 wrote to memory of 4760 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 100 PID 3988 wrote to memory of 3444 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 102 PID 3988 wrote to memory of 3444 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 102 PID 3444 wrote to memory of 1784 3444 cmd.exe 104 PID 3444 wrote to memory of 1784 3444 cmd.exe 104 PID 3988 wrote to memory of 1196 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 105 PID 3988 wrote to memory of 1196 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 105 PID 3988 wrote to memory of 1196 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 105 PID 3988 wrote to memory of 3408 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 122 PID 3988 wrote to memory of 3408 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 122 PID 3988 wrote to memory of 3408 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 122 PID 3988 wrote to memory of 4936 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 109 PID 3988 wrote to memory of 4936 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 109 PID 3988 wrote to memory of 4936 3988 62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe 109 PID 4936 wrote to memory of 1364 4936 csrss.exe 114 PID 4936 wrote to memory of 1364 4936 csrss.exe 114 PID 4936 wrote to memory of 1364 4936 csrss.exe 114 PID 4936 wrote to memory of 2652 4936 csrss.exe 120 PID 4936 wrote to memory of 2652 4936 csrss.exe 120 PID 4936 wrote to memory of 2652 4936 csrss.exe 120 PID 4936 wrote to memory of 3408 4936 csrss.exe 122 PID 4936 wrote to memory of 3408 4936 csrss.exe 122 PID 4936 wrote to memory of 3408 4936 csrss.exe 122 PID 4936 wrote to memory of 1496 4936 csrss.exe 124 PID 4936 wrote to memory of 1496 4936 csrss.exe 124 -
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\62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe"C:\Users\Admin\AppData\Local\Temp\62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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C:\Users\Admin\AppData\Local\Temp\62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.exe"C:\Users\Admin\AppData\Local\Temp\62d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7.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:3988 -
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:4760
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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:3444 -
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:1784
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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:1196
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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:3408
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936 -
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:1364
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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:2508
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3464
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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:2652
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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:3408
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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:1496
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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:336
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:2324
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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:1748
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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:2212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:5032
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a31cd98d238319225969fce7e643b7e
SHA12248e9b5e5b972981b0eb42df63509b74d373c09
SHA25653fcc5474439bec89343d3ee5079d8f5c62685617138a4730fe8ad40b9dc939c
SHA5127483738fd164e123b177cf872f5441507b10e38326171b7c30a1078b8a86afbc86960d336d576aa19f3f19877194b781da2ea0c54bbff7d6bad8d24490417ee3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ffdd6647fa8ca17baf79f85e2a6c85a
SHA1897808b811be0a978791e7d350f44e20982e6848
SHA256d6b0c0a930b01beb1eaf2ccd1ab45deaf3ed7414cc443baf6a3a84fc9a771f6d
SHA512b033084d3438a03be4bec7d5032b47fca2dbaeb099c501ac03ea4f493a03b9eddba82c2ceb24c21f887efee64803b7c164863b12d1c2112be706f9bd1d9b8767
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c03af6bac6219c7d5a061981a466f777
SHA146977b00f83339a465481682a58a05bd4e59f82e
SHA256f78921b9dcc603e47249a969cd936fe5ad7ea4d634ff905534c0da71964bd0ad
SHA512961a9a00d2835499a03dcae37801c382e13b17ce0cbaeda9330ba9af8bacdf872cbdff1b646a6b57495fb2f7437a021a2e3ac8714aa7700bad14444aa73f6709
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2dba6324a3bd28c630081c4a7d94128
SHA15c98a59db97747c61ce8cb417e70555cc0fc65df
SHA2565b3737c648b400b7befc3816ddf10294279689bf175da7ca37f5b19f8ec22634
SHA5127249ab6cd989cf44e30e1b90dc1c815157bb3ac9bb8ed7d9c42c9155ed774c00a9ef1ad4f301f763cd1d9033e19d2659ee525d20248027f22a63509071580a88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eca74b72e2a03c21a5e1279590de5ed5
SHA187743b1a3ab7101b52a1f0a8af452d21106d270d
SHA2568140d10fcf211ab6b0f97f18eb137cf1bc55579b796c397ab1f45edcb4f720ca
SHA512418989140fbd8df9f64ab9323590418745dfe430dd1e4a8df8b20fc02b84b849b22e579413de4cdf083311fd69bdd21b17d4b93abdcf0e5dd06791edf34e3438
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Filesize
4.1MB
MD5879254e27447aa757455bfe4811f6da3
SHA1ba82bb3d067fe30315e6b7d5dfff2dd17f7a250c
SHA25662d9a43f922c445d18718e78b5214a3f850822e0f99b0bd69c87496fa7681dd7
SHA5127a3b4fabbccf5f4757e9da8a2a894f446e93b3cfd9b483afb467d8c3359aae00839b88ffe420a0228540265ee068117803c5da62832273f8463070eeb6daa3ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec