Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2023, 20:51
Static task
static1
General
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Target
8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe
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Size
4.2MB
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MD5
9017a063e8d0f63413d9fb5454bb16c0
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SHA1
b5a4ae06a5e91d60432415cb87adffe295d6fef6
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SHA256
8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd
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SHA512
3ac97b8ef615e27799036a7e55aff1c23675e8635cbc3c1dfb7de41145e87ca44e3f5191d676df60527f006f41c010789efdec0bc6b6735cc9d7fb57de75e3f1
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SSDEEP
98304:DQVVFOo2reL743AV8eVs1GrPzQ2Qx4qE/1iYPp/MTOpK2DVKvBZSFLcKQ:DWYKf43AVw1uQTTE/8CpETOpKaUaFLcX
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4452-2-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/4452-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4452-4-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4452-6-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/4452-8-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4452-53-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4452-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4344-64-0x0000000002A60000-0x0000000002E5D000-memory.dmp family_glupteba behavioral1/memory/4344-65-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4344-79-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4344-100-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4344-116-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4344-163-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-199-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1816-287-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1792 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1816 csrss.exe 3704 injector.exe 2556 windefender.exe 1632 windefender.exe 4952 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000c000000022be6-267.dat upx behavioral1/files/0x000c000000022be6-269.dat upx behavioral1/files/0x000c000000022be6-270.dat upx behavioral1/memory/2556-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1632-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1632-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000b000000022d05-283.dat upx behavioral1/files/0x000b000000022d05-285.dat upx behavioral1/memory/1632-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4952-288-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4952-290-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe File created C:\Windows\rss\csrss.exe 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.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 4268 sc.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 3348 4452 WerFault.exe 86 1332 4344 WerFault.exe 103 484 1816 WerFault.exe 121 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2688 schtasks.exe 3880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\1a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\1a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\1a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.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\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1212 powershell.exe 1212 powershell.exe 1212 powershell.exe 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 4244 powershell.exe 4244 powershell.exe 260 powershell.exe 260 powershell.exe 4720 powershell.exe 4720 powershell.exe 2832 powershell.exe 2832 powershell.exe 1468 powershell.exe 1468 powershell.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 1816 csrss.exe 1816 csrss.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 1816 csrss.exe 1816 csrss.exe 3704 injector.exe 3704 injector.exe 1816 csrss.exe 1816 csrss.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe 3704 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Token: SeImpersonatePrivilege 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 4244 powershell.exe Token: SeDebugPrivilege 260 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 1468 powershell.exe Token: SeSystemEnvironmentPrivilege 1816 csrss.exe Token: SeSecurityPrivilege 4268 sc.exe Token: SeSecurityPrivilege 4268 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4452 wrote to memory of 1212 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 98 PID 4452 wrote to memory of 1212 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 98 PID 4452 wrote to memory of 1212 4452 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 98 PID 4344 wrote to memory of 4388 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 108 PID 4344 wrote to memory of 4388 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 108 PID 4344 wrote to memory of 4388 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 108 PID 4344 wrote to memory of 4816 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 111 PID 4344 wrote to memory of 4816 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 111 PID 4816 wrote to memory of 1792 4816 cmd.exe 113 PID 4816 wrote to memory of 1792 4816 cmd.exe 113 PID 4344 wrote to memory of 4244 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 115 PID 4344 wrote to memory of 4244 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 115 PID 4344 wrote to memory of 4244 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 115 PID 4344 wrote to memory of 260 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 118 PID 4344 wrote to memory of 260 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 118 PID 4344 wrote to memory of 260 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 118 PID 4344 wrote to memory of 1816 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 121 PID 4344 wrote to memory of 1816 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 121 PID 4344 wrote to memory of 1816 4344 8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe 121 PID 1816 wrote to memory of 4720 1816 csrss.exe 124 PID 1816 wrote to memory of 4720 1816 csrss.exe 124 PID 1816 wrote to memory of 4720 1816 csrss.exe 124 PID 1816 wrote to memory of 2832 1816 csrss.exe 131 PID 1816 wrote to memory of 2832 1816 csrss.exe 131 PID 1816 wrote to memory of 2832 1816 csrss.exe 131 PID 1816 wrote to memory of 1468 1816 csrss.exe 133 PID 1816 wrote to memory of 1468 1816 csrss.exe 133 PID 1816 wrote to memory of 1468 1816 csrss.exe 133 PID 1816 wrote to memory of 3704 1816 csrss.exe 135 PID 1816 wrote to memory of 3704 1816 csrss.exe 135 PID 2556 wrote to memory of 2392 2556 windefender.exe 141 PID 2556 wrote to memory of 2392 2556 windefender.exe 141 PID 2556 wrote to memory of 2392 2556 windefender.exe 141 PID 2392 wrote to memory of 4268 2392 cmd.exe 142 PID 2392 wrote to memory of 4268 2392 cmd.exe 142 PID 2392 wrote to memory of 4268 2392 cmd.exe 142 PID 1816 wrote to memory of 4952 1816 csrss.exe 148 PID 1816 wrote to memory of 4952 1816 csrss.exe 148 PID 1816 wrote to memory of 4952 1816 csrss.exe 148 -
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\8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe"C:\Users\Admin\AppData\Local\Temp\8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1212
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C:\Users\Admin\AppData\Local\Temp\8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.exe"C:\Users\Admin\AppData\Local\Temp\8571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd.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:4344 -
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:4388
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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:4816 -
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:1792
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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:4244
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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:260
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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:1816 -
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:4720
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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:3880
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1828
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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:2832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1468
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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:3704
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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:2688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2556 -
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:2392 -
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:4268
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4952 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 8324⤵
- Program crash
PID:484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 5883⤵
- Program crash
PID:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 6402⤵
- Program crash
PID:3348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4452 -ip 44521⤵PID:4396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4344 -ip 43441⤵PID:5024
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1816 -ip 18161⤵PID:2676
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5714df3f963918020a40cd8e668fa2861
SHA1d678ceac351f205c99f7779a33f6b72648f594ad
SHA25657989a14eb783b5a765a2fda99c580c28ba014b9b7d62e1309eb7dfb39bb58be
SHA5129ea2851358641971888bef244a564c83ecfd4df6806a17cae1c493310ffa3dc3b98907245d5348a54dba1f61790ac8ee449f9d3697509e5553f17a4f707d971b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b0d7b2bba88ff568b089bfd6110e48f
SHA1bc29a2edbadbaa355ca4743a4fadbf2fc1ec8951
SHA25635f7d7061a1ddd1c173e72145ab28a4328b51ef82465dd541ff88bb06c7fd40b
SHA5122ac186f7df69678aaf0f34ff812934646c6052ecebf8bac6f70da039a967f6062a39afd08ff4a7d831f2c56dbcfc8c5662fbc52c47c8c434d0f7b60bbcba5a82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f91143ce37731e6c4bb4543c06f481fd
SHA133f2da22709b8765f084bc95fa4be9dd9e1765d0
SHA256244a5fc6a72f70ff4dc2aa4f17092d55ec0c32d96336efaf959501b982122aec
SHA5126d68933b4c2a657320e8c43ad3c87a94762f97c789fe2a076cc39c71c20a46ccaaf678c2f3c7fbc8cda62df94c335b12f7ff54791625b363770d76116b0a7f09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577983708e7ef8fbc5cf17c15595f8406
SHA1990dfb937b1c415267d6dbffaac24b5d71de7820
SHA256f0d418e1bee7bfde922f07c493998c9bc6f277f939a376e795cbcedf2dc6618a
SHA512fbdc68f5472f87d0bcf8b69a8571ca2d1ae4cf7696ef432d0efc721e55af191a057a347964cd3fee6176c768621fa8f60f6336f636df9e9a05b13cfdda8090e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527add9377f78fdcec9394193c4d9a733
SHA1307e8d349a756f7944fddacb873848d4d44c775d
SHA2565213ecd5ad6d06b26c8287abca1df64191c00db3039f7c2021f0bbeb7bade4f2
SHA5126aaff2519131bae4886634d3b5d901a6521c0cb8903c26b3ee66c5058cac3c1cf895a95c4abb587e0cbf40b8ee33766528784ad4b383fc18783f43359bdc6f6c
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Filesize
4.2MB
MD59017a063e8d0f63413d9fb5454bb16c0
SHA1b5a4ae06a5e91d60432415cb87adffe295d6fef6
SHA2568571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd
SHA5123ac97b8ef615e27799036a7e55aff1c23675e8635cbc3c1dfb7de41145e87ca44e3f5191d676df60527f006f41c010789efdec0bc6b6735cc9d7fb57de75e3f1
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Filesize
4.2MB
MD59017a063e8d0f63413d9fb5454bb16c0
SHA1b5a4ae06a5e91d60432415cb87adffe295d6fef6
SHA2568571745203faaf913e67cf6d76162aa5d8893edc34b0ed43a18427aba9646dcd
SHA5123ac97b8ef615e27799036a7e55aff1c23675e8635cbc3c1dfb7de41145e87ca44e3f5191d676df60527f006f41c010789efdec0bc6b6735cc9d7fb57de75e3f1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec