Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:48
Static task
static1
Behavioral task
behavioral1
Sample
eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe
Resource
win10v2004-20240508-en
General
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Target
eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe
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Size
4.1MB
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MD5
639c54e37306d1ddcbcbac4220360ab4
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SHA1
621b1cfb1866ce1ac2e8c31d1eac7493107a821e
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SHA256
eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f
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SHA512
828e213ec3f61061dd9ba4e892d93c69273b112f0dda153d089a78727d40a2dce1606fac7c74efcf749781cc2029cd6d53d0d22a9c549a2aa1ec39ad7a9a9dd8
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SSDEEP
98304:ZsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivk:Zs5hioeyE6OsERj43n/
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4924-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/4924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4924-57-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/4924-54-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4924-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4892-131-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-221-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4892-220-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-236-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-248-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-251-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-255-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-258-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-260-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/820-263-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3172 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 820 csrss.exe 2516 injector.exe 5084 windefender.exe 1560 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233f0-224.dat upx behavioral1/memory/5084-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5084-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1560-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1560-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1560-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 -
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 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 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 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4272 sc.exe -
pid Process 976 powershell.exe 1500 powershell.exe 5084 powershell.exe 1528 powershell.exe 3888 powershell.exe 1492 powershell.exe 1400 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 4500 schtasks.exe 4492 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,-492 = "India Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.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\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.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\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal 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" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1400 powershell.exe 1400 powershell.exe 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 976 powershell.exe 976 powershell.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 1500 powershell.exe 1500 powershell.exe 5084 powershell.exe 5084 powershell.exe 1528 powershell.exe 1528 powershell.exe 3888 powershell.exe 3888 powershell.exe 1492 powershell.exe 1492 powershell.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 820 csrss.exe 820 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 820 csrss.exe 820 csrss.exe 2516 injector.exe 2516 injector.exe 820 csrss.exe 820 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Token: SeImpersonatePrivilege 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeSystemEnvironmentPrivilege 820 csrss.exe Token: SeSecurityPrivilege 4272 sc.exe Token: SeSecurityPrivilege 4272 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4924 wrote to memory of 1400 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 85 PID 4924 wrote to memory of 1400 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 85 PID 4924 wrote to memory of 1400 4924 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 85 PID 4892 wrote to memory of 976 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 96 PID 4892 wrote to memory of 976 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 96 PID 4892 wrote to memory of 976 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 96 PID 4892 wrote to memory of 4084 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 99 PID 4892 wrote to memory of 4084 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 99 PID 4084 wrote to memory of 3172 4084 cmd.exe 101 PID 4084 wrote to memory of 3172 4084 cmd.exe 101 PID 4892 wrote to memory of 1500 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 102 PID 4892 wrote to memory of 1500 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 102 PID 4892 wrote to memory of 1500 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 102 PID 4892 wrote to memory of 5084 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 104 PID 4892 wrote to memory of 5084 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 104 PID 4892 wrote to memory of 5084 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 104 PID 4892 wrote to memory of 820 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 106 PID 4892 wrote to memory of 820 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 106 PID 4892 wrote to memory of 820 4892 eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe 106 PID 820 wrote to memory of 1528 820 csrss.exe 107 PID 820 wrote to memory of 1528 820 csrss.exe 107 PID 820 wrote to memory of 1528 820 csrss.exe 107 PID 820 wrote to memory of 3888 820 csrss.exe 113 PID 820 wrote to memory of 3888 820 csrss.exe 113 PID 820 wrote to memory of 3888 820 csrss.exe 113 PID 820 wrote to memory of 1492 820 csrss.exe 115 PID 820 wrote to memory of 1492 820 csrss.exe 115 PID 820 wrote to memory of 1492 820 csrss.exe 115 PID 820 wrote to memory of 2516 820 csrss.exe 117 PID 820 wrote to memory of 2516 820 csrss.exe 117 PID 5084 wrote to memory of 4620 5084 windefender.exe 125 PID 5084 wrote to memory of 4620 5084 windefender.exe 125 PID 5084 wrote to memory of 4620 5084 windefender.exe 125 PID 4620 wrote to memory of 4272 4620 cmd.exe 126 PID 4620 wrote to memory of 4272 4620 cmd.exe 126 PID 4620 wrote to memory of 4272 4620 cmd.exe 126 -
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\eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe"C:\Users\Admin\AppData\Local\Temp\eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1400
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C:\Users\Admin\AppData\Local\Temp\eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.exe"C:\Users\Admin\AppData\Local\Temp\eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f.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:4892 -
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:976
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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:4084 -
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:3172
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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:1500
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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:5084
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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:820 -
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:1528
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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:4500
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5048
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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:3888
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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:1492
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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:2516
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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:4492
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5084 -
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:4620 -
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:4272
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1560
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df1b4d7e2c63625516fda00495519688
SHA13165659b67260b79052c403b94fbebb5690d076b
SHA256bddeed56d6519e9f6ea4fba41a57a0d81a67ffdbf021044e130dc34f4e959a28
SHA51200dce9a9ee03ecfe5975874bbabbd7831b74193e63c3689f662c9cdc0d54a7df0d05d2046a7519ddf127320d4e5917852456d3651edcd7ce7cddd50305731257
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f082a54a18238d884dea3d88084efa6
SHA1da94887d800c30c737878e7e708e062d1590d979
SHA2563b8338b2b5dbf19d6f7c06a198337b3a9766c315af285ea9e893f2d12fb1d706
SHA512d8a11ffd477e69c0ff3672dadde76b621caba6f4710d9c58d87717bcf428de1a1899b7527d1eb4a4d8d35571fd036353ff18c25fb29d3f6c007804aebbdd30ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51116d92f9735edcdf16c627d0c1bccb7
SHA1d2644d20fad7f96dfd6814b4de34e663874156ef
SHA256b7ba793d2533a8146219847e799a4624c31b74a173a499ff5b225ade5d7c958f
SHA5126e3707fb40506fdf3af7ef63fbef98ac60cfb0c9d2a16a68e89250bdd8bae07a4ab635c37a6119ac017fd6db96899a473b3b7e3bd87c0249da2d75583cf6e56e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f0cfcdbe6bb444a0acde825bbfacea0d
SHA18f307105b17f1afded4f7d7ffafd2bfe7defcd35
SHA2561370ca7abd4f4bfb71ad65bb161d35eb26644b0669694dd1a16864ca3536b44e
SHA512a12806e2fead7482d10180de23707140286993940a8fe66909b7516ca44cc29761114f3131d0cb15da10fad15e1fa8a69620da96d3f445f1a39847e43dfca07d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5758e43da47701456733d80cd7b6e5ee1
SHA1c4be461f76ac1f93be2ea244d2ae95be434c6c5b
SHA256ea9a311a84739c460d066a816199fe529b33715cca369db1876b55ea7bd8c932
SHA51209586a233deff6cb4c08a114fe5253e483c3708ad142ab38ac1c0afbd3e6f899664c7c52b2f844403d8bd7680f37fcf87597e0aef01d18d6cb69201f335f2a51
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Filesize
4.1MB
MD5639c54e37306d1ddcbcbac4220360ab4
SHA1621b1cfb1866ce1ac2e8c31d1eac7493107a821e
SHA256eb0ead671da66d96219d8e099c6be9c2cc3434760965266e4e1fb108a485ce2f
SHA512828e213ec3f61061dd9ba4e892d93c69273b112f0dda153d089a78727d40a2dce1606fac7c74efcf749781cc2029cd6d53d0d22a9c549a2aa1ec39ad7a9a9dd8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec