Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/03/2024, 05:23
Static task
static1
Behavioral task
behavioral1
Sample
aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe
Resource
win10v2004-20240226-en
General
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Target
aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe
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Size
4.2MB
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MD5
e1601c9aea6a0ccebfc1ca575dd4bf8a
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SHA1
28c47613d473440b382d42777c2a11390e8c4485
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SHA256
aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c
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SHA512
8e65412edec6da9bd927bd652b82d9d2a0093727d99db5fdf0f598c0f50bc9582a248a67e77eac9eff65e8c72281f78d812be4d628feed8f00b07602dd385c0b
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SSDEEP
98304:808H3KH8t7v6kskyRvXUcvm4VE8KoTdA3ySouz1K2sML:R8H6HwvPsdRPUcvm4VpsroC/
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/2136-2-0x00000000032C0000-0x0000000003BAB000-memory.dmp family_glupteba behavioral2/memory/2136-3-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/2136-51-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/4864-55-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/4864-56-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/2136-59-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/4864-89-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/4864-103-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/4864-144-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/4864-149-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-208-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-245-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-254-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-256-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-259-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-262-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-265-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-268-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-272-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-275-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba behavioral2/memory/3552-278-0x0000000000400000-0x0000000000ED1000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4476 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3552 csrss.exe 1984 injector.exe 1792 windefender.exe 3588 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a81e-249.dat upx behavioral2/memory/1792-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3588-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3588-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\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 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 -
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 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe File created C:\Windows\rss\csrss.exe aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1336 sc.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 468 schtasks.exe 3488 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.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\CA\Certificates 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\22\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5108 powershell.exe 5108 powershell.exe 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4980 powershell.exe 4980 powershell.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 2788 powershell.exe 2788 powershell.exe 1396 powershell.exe 1396 powershell.exe 1572 powershell.exe 1572 powershell.exe 3624 powershell.exe 3624 powershell.exe 4112 powershell.exe 4112 powershell.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 3552 csrss.exe 3552 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 3552 csrss.exe 3552 csrss.exe 1984 injector.exe 1984 injector.exe 3552 csrss.exe 3552 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Token: SeImpersonatePrivilege 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeSystemEnvironmentPrivilege 3552 csrss.exe Token: SeSecurityPrivilege 1336 sc.exe Token: SeSecurityPrivilege 1336 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2136 wrote to memory of 5108 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 81 PID 2136 wrote to memory of 5108 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 81 PID 2136 wrote to memory of 5108 2136 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 81 PID 4864 wrote to memory of 4980 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 86 PID 4864 wrote to memory of 4980 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 86 PID 4864 wrote to memory of 4980 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 86 PID 4864 wrote to memory of 2328 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 88 PID 4864 wrote to memory of 2328 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 88 PID 2328 wrote to memory of 4476 2328 cmd.exe 90 PID 2328 wrote to memory of 4476 2328 cmd.exe 90 PID 4864 wrote to memory of 2788 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 91 PID 4864 wrote to memory of 2788 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 91 PID 4864 wrote to memory of 2788 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 91 PID 4864 wrote to memory of 1396 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 93 PID 4864 wrote to memory of 1396 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 93 PID 4864 wrote to memory of 1396 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 93 PID 4864 wrote to memory of 3552 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 95 PID 4864 wrote to memory of 3552 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 95 PID 4864 wrote to memory of 3552 4864 aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe 95 PID 3552 wrote to memory of 1572 3552 csrss.exe 96 PID 3552 wrote to memory of 1572 3552 csrss.exe 96 PID 3552 wrote to memory of 1572 3552 csrss.exe 96 PID 3552 wrote to memory of 3624 3552 csrss.exe 102 PID 3552 wrote to memory of 3624 3552 csrss.exe 102 PID 3552 wrote to memory of 3624 3552 csrss.exe 102 PID 3552 wrote to memory of 4112 3552 csrss.exe 104 PID 3552 wrote to memory of 4112 3552 csrss.exe 104 PID 3552 wrote to memory of 4112 3552 csrss.exe 104 PID 3552 wrote to memory of 1984 3552 csrss.exe 106 PID 3552 wrote to memory of 1984 3552 csrss.exe 106 PID 1792 wrote to memory of 396 1792 windefender.exe 112 PID 1792 wrote to memory of 396 1792 windefender.exe 112 PID 1792 wrote to memory of 396 1792 windefender.exe 112 PID 396 wrote to memory of 1336 396 cmd.exe 113 PID 396 wrote to memory of 1336 396 cmd.exe 113 PID 396 wrote to memory of 1336 396 cmd.exe 113 -
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\aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe"C:\Users\Admin\AppData\Local\Temp\aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108
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C:\Users\Admin\AppData\Local\Temp\aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.exe"C:\Users\Admin\AppData\Local\Temp\aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c.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:4864 -
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:4980
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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:2328 -
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:4476
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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:2788
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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:1396
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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:3552 -
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:1572
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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:468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1036
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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:3624
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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:4112
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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:1984
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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:3488
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1792 -
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:396 -
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:1336
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3588
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bfa33eb665ff2ae181e3d75a1c62ddc9
SHA178b02e9ea7a4bd8464853557f0e5f64d8403d24b
SHA2566f76ce0515a4afaedc447ad18d0b6fd5f6f8e9d4b5eb2c77eb6404ae6eb880f9
SHA512111e68cee7a4fdc657e80da2477ed480d66ec33fa30fccff70e4376fbbbf8a8d01c97367a44385fd5938e582f4c4cbd721f50e5a837f542eaa6e43c67e9d7271
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5283accb0995611e740281cdb5e8d0fde
SHA16304b1a58f655d2292b7db8f64fe6c51b25469ad
SHA256f577ea8b68d14705f09474346b88edbf41e70ff73de3b60e244751aa55863e0f
SHA5124bd29bace4b9c140965f5f0f7693631b259112f44701c926999be55aba9b681a3f5a2ee8796291280bf2695f1fd613e19d56c8d251ffb99f36a4f28c043e50db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570fecd90c0dc8a32dd4d2aa2c59617a1
SHA161cd4738a313a964ade57feb26081f83a501b12c
SHA2562df8e1bf931ed0a79bf0b14b050fc71c3285fbc643b9693fcd507615584c131c
SHA51270f0ea29c8a4ff4cc7944d323d2d54ee445cee634052cd80b52bec535eeae6dafc0b53ad0e8e378cd62120756640f76d758aaaf719e2efc3b04c2590a630825d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db779c9ed520a458c5f5808db543499e
SHA150e0e516ae06b27ed76541394fabc19bd9a9a735
SHA256b1539b80e00215c37379bbe82199e7adb50612a1a7b3d30ae40d2d561c1824d6
SHA512bdce61d4df1144cfdb7a20bcbe47ee86d75dbe3709cbf28cdeb2427f6888278e9446a269e4754c07f706e7c55576d8f5474cedb9f18fa179fbeb66db9eeff3f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b7df206f87515eb8233b5605be171967
SHA13cb9f04bceeced9f0172bc3f754e8349f84b019d
SHA25668e3aee7af419a38d240079e4e5b3adef9bfc571b7a77a7d6b5e18ae5035b6b8
SHA5121c37936ff8466da36cfa0f4dba91bc2a7df8f3d5e7742254f5f7e182495bcf0fee8f2c35269c6cf2e1b6fb6a70e7f0f44c83be79ae38b6aaa29005db8aa166a5
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Filesize
4.2MB
MD5e1601c9aea6a0ccebfc1ca575dd4bf8a
SHA128c47613d473440b382d42777c2a11390e8c4485
SHA256aee42a5235654578a677ba1e5af184ba0ef3ae93b2ac90580e1343568ca3c54c
SHA5128e65412edec6da9bd927bd652b82d9d2a0093727d99db5fdf0f598c0f50bc9582a248a67e77eac9eff65e8c72281f78d812be4d628feed8f00b07602dd385c0b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec