Analysis
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max time kernel
150s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe
Resource
win10v2004-20240508-en
General
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Target
b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe
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Size
4.1MB
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MD5
1ce079dc4030da805273a0791b3f0d60
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SHA1
67f3bc88a5820d9b679530952bf5bbb2d4b5200a
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SHA256
b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec
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SHA512
024d95b7db1ab76bf2b3fe637927fe538d6071c1f486a9658292e866fc98eede1ca0030e96642109050f1dc1e76bac09f84a75a3b8037894401ab1fce9b878ed
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SSDEEP
98304:/jrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2L:rrhn/yCBZkM+pB3dzi
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4440-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4440-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4440-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4440-89-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3208-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4728-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1524 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4728 csrss.exe 4400 injector.exe 1848 windefender.exe 4392 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab65-205.dat upx behavioral2/memory/1848-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1848-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe File created C:\Windows\rss\csrss.exe b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.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 2592 sc.exe -
pid Process 1192 powershell.exe 3484 powershell.exe 3936 powershell.exe 2836 powershell.exe 1644 powershell.exe 4776 powershell.exe 3756 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 3764 schtasks.exe 2388 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,-201 = "US Mountain Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3484 powershell.exe 3484 powershell.exe 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3936 powershell.exe 3936 powershell.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 2836 powershell.exe 2836 powershell.exe 1644 powershell.exe 1644 powershell.exe 4776 powershell.exe 4776 powershell.exe 3756 powershell.exe 3756 powershell.exe 1192 powershell.exe 1192 powershell.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4728 csrss.exe 4728 csrss.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4728 csrss.exe 4728 csrss.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4728 csrss.exe 4728 csrss.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Token: SeImpersonatePrivilege 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 1192 powershell.exe Token: SeSystemEnvironmentPrivilege 4728 csrss.exe Token: SeSecurityPrivilege 2592 sc.exe Token: SeSecurityPrivilege 2592 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4440 wrote to memory of 3484 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 82 PID 4440 wrote to memory of 3484 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 82 PID 4440 wrote to memory of 3484 4440 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 82 PID 3208 wrote to memory of 3936 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 87 PID 3208 wrote to memory of 3936 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 87 PID 3208 wrote to memory of 3936 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 87 PID 3208 wrote to memory of 4024 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 89 PID 3208 wrote to memory of 4024 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 89 PID 4024 wrote to memory of 1524 4024 cmd.exe 91 PID 4024 wrote to memory of 1524 4024 cmd.exe 91 PID 3208 wrote to memory of 2836 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 92 PID 3208 wrote to memory of 2836 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 92 PID 3208 wrote to memory of 2836 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 92 PID 3208 wrote to memory of 1644 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 94 PID 3208 wrote to memory of 1644 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 94 PID 3208 wrote to memory of 1644 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 94 PID 3208 wrote to memory of 4728 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 96 PID 3208 wrote to memory of 4728 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 96 PID 3208 wrote to memory of 4728 3208 b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe 96 PID 4728 wrote to memory of 4776 4728 csrss.exe 97 PID 4728 wrote to memory of 4776 4728 csrss.exe 97 PID 4728 wrote to memory of 4776 4728 csrss.exe 97 PID 4728 wrote to memory of 3756 4728 csrss.exe 102 PID 4728 wrote to memory of 3756 4728 csrss.exe 102 PID 4728 wrote to memory of 3756 4728 csrss.exe 102 PID 4728 wrote to memory of 1192 4728 csrss.exe 105 PID 4728 wrote to memory of 1192 4728 csrss.exe 105 PID 4728 wrote to memory of 1192 4728 csrss.exe 105 PID 4728 wrote to memory of 4400 4728 csrss.exe 107 PID 4728 wrote to memory of 4400 4728 csrss.exe 107 PID 1848 wrote to memory of 2612 1848 windefender.exe 113 PID 1848 wrote to memory of 2612 1848 windefender.exe 113 PID 1848 wrote to memory of 2612 1848 windefender.exe 113 PID 2612 wrote to memory of 2592 2612 cmd.exe 114 PID 2612 wrote to memory of 2592 2612 cmd.exe 114 PID 2612 wrote to memory of 2592 2612 cmd.exe 114 -
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\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe"C:\Users\Admin\AppData\Local\Temp\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3484
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C:\Users\Admin\AppData\Local\Temp\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.exe"C:\Users\Admin\AppData\Local\Temp\b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec.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:3208 -
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:3936
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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:4024 -
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:1524
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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:2836
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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:1644
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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:4728 -
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:4776
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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:3764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:916
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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:3756
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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:1192
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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:4400
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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:2388
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1848 -
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:2612 -
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:2592
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4392
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
MD56ae56ddc700867750273263c7ebd45c4
SHA1d89d8e9c99eedf65f41b39d7b39aa73b8a99d64b
SHA256474e19e6dab9e424b413c4a064a3f38201069f9b2bb49cd1164b6c7a460a784c
SHA512d669317eb1f4ceeb4d702a5da669df054f15bcf778b69229112b9c566f15834ad6e6a116268245356ab37aec7c51840687e0fc08bb7a516aacacd2b9fd396458
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3ecd9a22ce17e8fee3fc478207346b7
SHA1499b692c0b9dd25cfefa892686aa57fbf1a7fe99
SHA2566f0c351b57ee7a04712853690fcfef15e076f1a49448e32f955715f95995468d
SHA51285726b1f6cef3e7c1d349b0f8046e6c7a158c7ebb57822b2b14989b38725ce1452544e9e619abddb3308d435173bab7a19a587eedf954ec368307847b8fe018e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3090a95365c0da740ae85dd8d1275ac
SHA14f9c77874804b35a0e1118d4a08527aa61ec7ca0
SHA2564a3caddf3f1f673942638494fe00bf736a8339a94ef074d2baf8086ca38c1779
SHA512a7f4efca52538ec967d819c060790ac51fd058e0174b128a5d2f21eb111220107d5d7cc816a42a45a3ce70b12d46811b52cb7c190970941a66056c193695602e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8c9c2345d75f5703c9d98dcb0f8b14a
SHA136ac538fb12d194e5ce26330e06af030e6367700
SHA256ab4e2f14b59430815aecc24144459902996f3fc4684f876742076e54b32d503f
SHA5128661eccb6f0b7cb8d6daeb09638f8c83363492b29d47e4df400129261f83807cb2354a676064bd4dbefa92244ffb781c8610bc7f432a527c7f66652b3b5d2d76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a64f7e54216a842c492a7b3cf04fded8
SHA1cce824588b067b6effc1a332adfb0ef421cefdbc
SHA2561ad63d3767bb2ede665b389f4723c892bf91b1f24e931d6673ac478d1f2ca1eb
SHA512f6e3f6c1592a7b7ff8c8744f3a92119940452bd1d16118a05441cdfc454635e3f8e45f21913a887bf0dc51ca838b41d843e2dff7e1b9e8ba6f4174354b6be495
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Filesize
4.1MB
MD51ce079dc4030da805273a0791b3f0d60
SHA167f3bc88a5820d9b679530952bf5bbb2d4b5200a
SHA256b60770b09845eb2fdaff0c9ebbeb914102a3676ccaefd102830c4625737278ec
SHA512024d95b7db1ab76bf2b3fe637927fe538d6071c1f486a9658292e866fc98eede1ca0030e96642109050f1dc1e76bac09f84a75a3b8037894401ab1fce9b878ed
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec