Analysis
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max time kernel
150s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe
Resource
win10v2004-20240508-en
General
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Target
e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe
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Size
4.1MB
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MD5
c5057a1186a5c04bacf88136463e62af
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SHA1
9e1486e9948fd2fb275b3b0e568e65500aa5b0e0
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SHA256
e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9
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SHA512
42acc2b05faf5f15a97b23cd6b158fce6f661372e56dfabdfd93db3014842257a65c71463c8ba8670d26b40489812e4373e0ee0d2675bdbc57c86893ab1b8f96
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SSDEEP
98304:AafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjL:A4KGRhU7CB2KZRm43qRo3hpTjL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1060-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/1060-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1060-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1060-80-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/3316-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3892-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1928 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3892 csrss.exe 4932 injector.exe 2248 windefender.exe 4524 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa61-207.dat upx behavioral2/memory/2248-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2248-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4524-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4524-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4524-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe File created C:\Windows\rss\csrss.exe e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.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 2608 sc.exe -
pid Process 4284 powershell.exe 1224 powershell.exe 972 powershell.exe 804 powershell.exe 2744 powershell.exe 4180 powershell.exe 5032 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 2880 schtasks.exe 1928 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.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,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.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,-1722 = "Libya Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4284 powershell.exe 4284 powershell.exe 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 1224 powershell.exe 1224 powershell.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 972 powershell.exe 972 powershell.exe 804 powershell.exe 804 powershell.exe 2744 powershell.exe 2744 powershell.exe 4180 powershell.exe 4180 powershell.exe 5032 powershell.exe 5032 powershell.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 3892 csrss.exe 3892 csrss.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 3892 csrss.exe 3892 csrss.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 3892 csrss.exe 3892 csrss.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Token: SeImpersonatePrivilege 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeDebugPrivilege 972 powershell.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeSystemEnvironmentPrivilege 3892 csrss.exe Token: SeSecurityPrivilege 2608 sc.exe Token: SeSecurityPrivilege 2608 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1060 wrote to memory of 4284 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 83 PID 1060 wrote to memory of 4284 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 83 PID 1060 wrote to memory of 4284 1060 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 83 PID 3316 wrote to memory of 1224 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 88 PID 3316 wrote to memory of 1224 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 88 PID 3316 wrote to memory of 1224 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 88 PID 3316 wrote to memory of 4148 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 90 PID 3316 wrote to memory of 4148 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 90 PID 4148 wrote to memory of 1928 4148 cmd.exe 92 PID 4148 wrote to memory of 1928 4148 cmd.exe 92 PID 3316 wrote to memory of 972 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 93 PID 3316 wrote to memory of 972 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 93 PID 3316 wrote to memory of 972 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 93 PID 3316 wrote to memory of 804 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 95 PID 3316 wrote to memory of 804 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 95 PID 3316 wrote to memory of 804 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 95 PID 3316 wrote to memory of 3892 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 97 PID 3316 wrote to memory of 3892 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 97 PID 3316 wrote to memory of 3892 3316 e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe 97 PID 3892 wrote to memory of 2744 3892 csrss.exe 98 PID 3892 wrote to memory of 2744 3892 csrss.exe 98 PID 3892 wrote to memory of 2744 3892 csrss.exe 98 PID 3892 wrote to memory of 4180 3892 csrss.exe 103 PID 3892 wrote to memory of 4180 3892 csrss.exe 103 PID 3892 wrote to memory of 4180 3892 csrss.exe 103 PID 3892 wrote to memory of 5032 3892 csrss.exe 106 PID 3892 wrote to memory of 5032 3892 csrss.exe 106 PID 3892 wrote to memory of 5032 3892 csrss.exe 106 PID 3892 wrote to memory of 4932 3892 csrss.exe 108 PID 3892 wrote to memory of 4932 3892 csrss.exe 108 PID 2248 wrote to memory of 3156 2248 windefender.exe 114 PID 2248 wrote to memory of 3156 2248 windefender.exe 114 PID 2248 wrote to memory of 3156 2248 windefender.exe 114 PID 3156 wrote to memory of 2608 3156 cmd.exe 115 PID 3156 wrote to memory of 2608 3156 cmd.exe 115 PID 3156 wrote to memory of 2608 3156 cmd.exe 115 -
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\e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe"C:\Users\Admin\AppData\Local\Temp\e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4284
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C:\Users\Admin\AppData\Local\Temp\e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.exe"C:\Users\Admin\AppData\Local\Temp\e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9.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:3316 -
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:1224
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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:4148 -
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:1928
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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:972
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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:804
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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:3892 -
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:2744
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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:2880
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2584
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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:4180
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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:5032
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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:4932
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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:1928
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2248 -
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:3156 -
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:2608
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4524
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
MD579c35231a109eb2414189513185f76ae
SHA1c1499b6723b369aba4661e867a3898154207d5f3
SHA25676ecaab034f8198f8ce09741c329a12cfab19d2b9d239f8e26afb0f888f9931a
SHA51236acc95ac5a5f15b7f6202e03c7d6e266e49e9a29a6ae057f1597d1d4a1a4d6d18369cbe0e4b0c0274f38f622b3127ed274b081f046598a4bd59c78c6ffb35db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59846f97437f36843eb571c43c7c2d8d6
SHA14273156738652057d1927b6b826c7cbb4ae5595c
SHA25653a9ba2b2adda48b20c0695a18c4529ba837e90990b0e0bd7737f91071ebda2f
SHA512cb6773988b90ed49f9e08d83e2bffddc211a6a283274a1c343e4e1939a86f54f03716ac04319de57352a46d77fca71414945dc55e6dc4d94232862bb61330c3b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ffa3585d1b7cbb13c2087f0b9782fef
SHA17acf6eacf26c9dee7d083f99d983b562c463f719
SHA25696b6d137a40edc4bced0b4998747dd406c8c000d6b75b1c6efba9e609a00656c
SHA51231471fae107c172d00f7ecd5832b9cf2b65c340ee0d27491edb95abae794b03ad7c867e357d12f31ba9a4a2a1aa1ec37b682faa10ac6a75ec2e77ded4f26190f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f6c810db3842719b62cf8061d7f4680
SHA1e0f9df1a7c8b833f302401fccd392f43c3ad1963
SHA2562e64183c1712e14ed15b81b9824d6a131df20ef71792ae446838b33d46be79a6
SHA5124d2e5a9b024cb8468cb66c9110e605ce1d423d0a292b60c372d8c61da1406c1d23b7d18199e53bf38d00929861eaeb788e1abac1e2f68dbedb23c12c016fa541
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD519922c5d5312331c3db2dd33c6745184
SHA11bf8ff209afa71b8247804334166ca6a3f3f1dcb
SHA25634b6eb59c97af6d4b8c00951fe12748f43cb229aabc9ffb4e044837a0b6646cd
SHA51277b545a7f58e40da294f71bf19d86b32b7f211f864a30d07dafbe06f05afb57c3cf002f882cb43112e6648245033aec252eb6fa51e065203fbec907aa534b09e
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Filesize
4.1MB
MD5c5057a1186a5c04bacf88136463e62af
SHA19e1486e9948fd2fb275b3b0e568e65500aa5b0e0
SHA256e0252e89a57eeaece544f05b836574635ae2b367676375e61a1f0c77bf4ad2b9
SHA51242acc2b05faf5f15a97b23cd6b158fce6f661372e56dfabdfd93db3014842257a65c71463c8ba8670d26b40489812e4373e0ee0d2675bdbc57c86893ab1b8f96
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec