Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 15:48
Static task
static1
Behavioral task
behavioral1
Sample
e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe
Resource
win10v2004-20240412-en
General
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Target
e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe
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Size
4.1MB
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MD5
38dfc87eeda13dd9f589bda016427b55
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SHA1
510dd660f82b867728b3cf7dbabcf51a1c4a2fc5
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SHA256
e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45
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SHA512
97dd6959765fb2e44d7020ed99a596bdc7e2ddf8076818342586998638b013aac43db1460f3759092a0aa3f4b69f88b056c4835b9b7b8a22762bfdaf2892a3b6
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SSDEEP
98304:ixMvDlpZvb8ZK6Pm1OqC68DUZP3t+NAeQDD60jtf0ZJUQwpesMAQ2H/nDo:iOpbkK6P76wCP3t+NMK0jtGJUQwpe8n0
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1560-2-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/1560-3-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1560-51-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/1560-53-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/2204-55-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2204-101-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2204-115-0x00000000037C0000-0x0000000003BBD000-memory.dmp family_glupteba behavioral2/memory/2204-130-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/2204-149-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-183-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-249-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-258-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-260-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-262-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-264-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-266-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-268-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-270-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4988-272-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1596 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4988 csrss.exe 3460 injector.exe 736 windefender.exe 3996 windefender.exe -
resource yara_rule behavioral2/files/0x000a00000002a98d-252.dat upx behavioral2/memory/736-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3996-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3996-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe File created C:\Windows\rss\csrss.exe e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.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 2156 sc.exe -
Program crash 4 IoCs
pid pid_target Process procid_target 2020 1560 WerFault.exe 78 524 1560 WerFault.exe 78 1352 2204 WerFault.exe 85 4512 2204 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4976 schtasks.exe 1160 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.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\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.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\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3796 powershell.exe 3796 powershell.exe 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2712 powershell.exe 2712 powershell.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 1372 powershell.exe 1372 powershell.exe 2660 powershell.exe 2660 powershell.exe 1444 powershell.exe 1444 powershell.exe 5068 powershell.exe 5068 powershell.exe 224 powershell.exe 224 powershell.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 4988 csrss.exe 4988 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 4988 csrss.exe 4988 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 4988 csrss.exe 4988 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Token: SeImpersonatePrivilege 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeSystemEnvironmentPrivilege 4988 csrss.exe Token: SeSecurityPrivilege 2156 sc.exe Token: SeSecurityPrivilege 2156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1560 wrote to memory of 3796 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 81 PID 1560 wrote to memory of 3796 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 81 PID 1560 wrote to memory of 3796 1560 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 81 PID 2204 wrote to memory of 2712 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 91 PID 2204 wrote to memory of 2712 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 91 PID 2204 wrote to memory of 2712 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 91 PID 2204 wrote to memory of 2292 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 93 PID 2204 wrote to memory of 2292 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 93 PID 2292 wrote to memory of 1596 2292 cmd.exe 95 PID 2292 wrote to memory of 1596 2292 cmd.exe 95 PID 2204 wrote to memory of 1372 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 96 PID 2204 wrote to memory of 1372 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 96 PID 2204 wrote to memory of 1372 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 96 PID 2204 wrote to memory of 2660 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 98 PID 2204 wrote to memory of 2660 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 98 PID 2204 wrote to memory of 2660 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 98 PID 2204 wrote to memory of 4988 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 100 PID 2204 wrote to memory of 4988 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 100 PID 2204 wrote to memory of 4988 2204 e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe 100 PID 4988 wrote to memory of 1444 4988 csrss.exe 108 PID 4988 wrote to memory of 1444 4988 csrss.exe 108 PID 4988 wrote to memory of 1444 4988 csrss.exe 108 PID 4988 wrote to memory of 5068 4988 csrss.exe 114 PID 4988 wrote to memory of 5068 4988 csrss.exe 114 PID 4988 wrote to memory of 5068 4988 csrss.exe 114 PID 4988 wrote to memory of 224 4988 csrss.exe 116 PID 4988 wrote to memory of 224 4988 csrss.exe 116 PID 4988 wrote to memory of 224 4988 csrss.exe 116 PID 4988 wrote to memory of 3460 4988 csrss.exe 119 PID 4988 wrote to memory of 3460 4988 csrss.exe 119 PID 736 wrote to memory of 2880 736 windefender.exe 127 PID 736 wrote to memory of 2880 736 windefender.exe 127 PID 736 wrote to memory of 2880 736 windefender.exe 127 PID 2880 wrote to memory of 2156 2880 cmd.exe 128 PID 2880 wrote to memory of 2156 2880 cmd.exe 128 PID 2880 wrote to memory of 2156 2880 cmd.exe 128 -
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\e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe"C:\Users\Admin\AppData\Local\Temp\e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3796
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C:\Users\Admin\AppData\Local\Temp\e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.exe"C:\Users\Admin\AppData\Local\Temp\e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45.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:2204 -
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:2712
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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:2292 -
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:1596
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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:1372
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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:2660
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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:4988 -
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:1444
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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:4976
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4656
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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:5068
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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:224
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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:3460
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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:1160
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:736 -
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:2880 -
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:2156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 6563⤵
- Program crash
PID:1352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 8763⤵
- Program crash
PID:4512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 6722⤵
- Program crash
PID:2020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 9082⤵
- Program crash
PID:524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1560 -ip 15601⤵PID:3048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1560 -ip 15601⤵PID:4904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2204 -ip 22041⤵PID:900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2204 -ip 22041⤵PID:1972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3996
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
MD5fc63e272e675f20f358c94aea8441a96
SHA1bdc18a737f4e0bd61d3adb340d3af3ebde9abd2b
SHA256872bbbc0dff7f55b1c73fe388cb663da457cc7bfae9b42648e1ab05bd28ca2f5
SHA512b39e5dac74a6f0ff6db35b43cb69a62f6bfad64404d0f4c21b6744bacb8da2ddab09fdbde9d99fc3baf8bbc7b94ee942de77fb7e69562be4572f2da9b5a57b9d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fc5e215ec83474ab54758c856d6bd8f
SHA12ed0a18abe6752c5da9c3f64dcd142a0105f50b6
SHA256e4f4dcb1e73f90198eeabf649a3d210673ab08719567573905a6e3d382b6571a
SHA51217a3c954d07bd3f27eb315efd9f8d289608177201f00fb6649da8eb17c30f4ead7c086fd60edb982349cc2fbb61e9247e28db7343d905d2d5a7075e8c7b13020
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffbf4c7d25cf60ef43422b078899cbfc
SHA187af2ad0b1de53e383373c358c4b31a9992eeebf
SHA25698c46ba26061c99644631d911fd305759bf87bc087d879facddcba77ab764583
SHA5127a2d211c0988011b3928552d79b8c46cfc3a695544d99eeb3aa8eb856fa8692b3675fb607f1fcc42f387d79f99e75ada4697fde826b9d9d01967c0570d6ce057
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c27a8ca28d530b525df93095a9919ada
SHA1f26e23f1f99c36f513674568c1ded8181c8a41f7
SHA2568e21d1310737385f7c267bc84cfb59dc613e0f9058a3fe4f52737c54e2a6138b
SHA512c4b9ea612e68bca278ad3332ca4ea498476213171ea74c34e0299bae427db86ce15241ed4b424e4fabd929daa329939e362de04b6fe9d48dd86aec72c2fcc92b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58da7224b04b912d1c76610b7a1d2be8d
SHA1db6a49ce24586d1270bc4ff98c9e8c9c7850e98f
SHA256fd00d7fc4124d271cf306b015d902f740d7b4a4450461213fd89ef98f096b42a
SHA5124a23251a80d93b64448f192861753797d06a51cbb70b340f7a6a2c90e8a19dc9a4672c6e88a19c19908c2ca550eb033f281bb683967d83c3a441570bf2bf0ea4
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Filesize
4.1MB
MD538dfc87eeda13dd9f589bda016427b55
SHA1510dd660f82b867728b3cf7dbabcf51a1c4a2fc5
SHA256e7c763314b52206d45e84b2707a4460d9e2c60c87fd2b930eef586bf421f6f45
SHA51297dd6959765fb2e44d7020ed99a596bdc7e2ddf8076818342586998638b013aac43db1460f3759092a0aa3f4b69f88b056c4835b9b7b8a22762bfdaf2892a3b6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec