Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 02:10
Static task
static1
Behavioral task
behavioral1
Sample
JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe
Resource
win7-20230831-en
General
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Target
JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe
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Size
4.2MB
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MD5
0a9dde61fde2b75508f733ff38dd3d54
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SHA1
7afe4e24ac80c5459af4302ec153c06c761a6c91
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SHA256
d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb
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SHA512
818e4b30f6e01e3797925fbc70a852a5072d8b8de65a18722a33aa0ee7dd5ffe0d70848c5f84a8389a06508cd706fc416303311dba1c42de0ba911ef0174f22b
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SSDEEP
98304:Jahqt06o/tfvSVbfEVfMjjtQCLuMdvwpxc0YmZK36q:ro/tXSVbfEVEyEuM96xnYmZKF
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2416-1-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral2/memory/2416-2-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2416-18-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral2/memory/2416-19-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2416-34-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2416-62-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2540-63-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2540-76-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2540-92-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2540-102-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2540-157-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/2540-225-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/1112-227-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/1112-265-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/1112-268-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/1112-276-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/1112-281-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba behavioral2/memory/1112-285-0x0000000000400000-0x0000000002818000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1112 csrss.exe 4516 injector.exe 2096 windefender.exe 704 windefender.exe -
resource yara_rule behavioral2/files/0x0007000000023224-271.dat upx behavioral2/files/0x0007000000023224-273.dat upx behavioral2/files/0x0007000000023224-277.dat upx behavioral2/memory/2096-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/704-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe File created C:\Windows\rss\csrss.exe JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe File created 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 4748 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 1924 schtasks.exe 4804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1520 powershell.exe 1520 powershell.exe 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2112 powershell.exe 2112 powershell.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 4608 powershell.exe 4608 powershell.exe 3232 powershell.exe 3232 powershell.exe 4648 powershell.exe 4648 powershell.exe 2908 powershell.exe 2908 powershell.exe 3184 powershell.exe 3184 powershell.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 1112 csrss.exe 1112 csrss.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 1112 csrss.exe 1112 csrss.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1520 powershell.exe Token: SeDebugPrivilege 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Token: SeImpersonatePrivilege 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeDebugPrivilege 3184 powershell.exe Token: SeSystemEnvironmentPrivilege 1112 csrss.exe Token: SeSecurityPrivilege 4748 sc.exe Token: SeSecurityPrivilege 4748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2416 wrote to memory of 1520 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 85 PID 2416 wrote to memory of 1520 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 85 PID 2416 wrote to memory of 1520 2416 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 85 PID 2540 wrote to memory of 2112 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 97 PID 2540 wrote to memory of 2112 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 97 PID 2540 wrote to memory of 2112 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 97 PID 2540 wrote to memory of 776 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 99 PID 2540 wrote to memory of 776 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 99 PID 776 wrote to memory of 4912 776 cmd.exe 101 PID 776 wrote to memory of 4912 776 cmd.exe 101 PID 2540 wrote to memory of 4608 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 102 PID 2540 wrote to memory of 4608 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 102 PID 2540 wrote to memory of 4608 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 102 PID 2540 wrote to memory of 3232 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 104 PID 2540 wrote to memory of 3232 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 104 PID 2540 wrote to memory of 3232 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 104 PID 2540 wrote to memory of 1112 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 106 PID 2540 wrote to memory of 1112 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 106 PID 2540 wrote to memory of 1112 2540 JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe 106 PID 1112 wrote to memory of 4648 1112 csrss.exe 107 PID 1112 wrote to memory of 4648 1112 csrss.exe 107 PID 1112 wrote to memory of 4648 1112 csrss.exe 107 PID 1112 wrote to memory of 2908 1112 csrss.exe 113 PID 1112 wrote to memory of 2908 1112 csrss.exe 113 PID 1112 wrote to memory of 2908 1112 csrss.exe 113 PID 1112 wrote to memory of 3184 1112 csrss.exe 115 PID 1112 wrote to memory of 3184 1112 csrss.exe 115 PID 1112 wrote to memory of 3184 1112 csrss.exe 115 PID 1112 wrote to memory of 4516 1112 csrss.exe 117 PID 1112 wrote to memory of 4516 1112 csrss.exe 117 PID 2096 wrote to memory of 1396 2096 windefender.exe 123 PID 2096 wrote to memory of 1396 2096 windefender.exe 123 PID 2096 wrote to memory of 1396 2096 windefender.exe 123 PID 1396 wrote to memory of 4748 1396 cmd.exe 124 PID 1396 wrote to memory of 4748 1396 cmd.exe 124 PID 1396 wrote to memory of 4748 1396 cmd.exe 124 -
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\JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe"C:\Users\Admin\AppData\Local\Temp\JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1520
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C:\Users\Admin\AppData\Local\Temp\JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.exe"C:\Users\Admin\AppData\Local\Temp\JC_d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb.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:2540 -
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:2112
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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:776 -
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:4912
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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:4608
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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:3232
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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:1112 -
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:4648
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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:1924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4652
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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:2908
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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:3184
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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:4516
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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:4804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2096 -
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:1396 -
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:4748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:704
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
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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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
MD5bda842dbc3b6e1b5ab9cc04ed955d832
SHA1a7df8c124a836338f4b3ca00b1e39356fefdb48b
SHA256fb64d29c5f5509d290760641bc411a9346ba961d5e8db18114f86b7b3e01e1cf
SHA5123b68aa6ba89adaf2b8431cf3427fad8ad602eb133480b869354c14897852a9ef9653655db0304fe63ff3bf8af0c09879e6aee686bce3258c947eed74b810bbd5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512e9c26359b6b2e21fc2f30364dc1ce6
SHA14138a12793ce22e02dab074fef5d98a87877455f
SHA256b730f0a51763c5d75ea965da12692138189ae25a0a924455e6fc77c72d9f7ce2
SHA512bed5087a91ff71d4ff51a0807b647bfb6b7e78c67e6cf68fc5ede92e7b3018f6f0502cdf56201a9f53c404b31d09651c95572b08d5975181af752896c4687f5a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e98e90066e1a37f8518a1c4b59c2994
SHA199abaa6d529b37ef0f4c1f1bb845a7af20d6592d
SHA25691cb23fe2a51bbec54daba33946a97e488f108271b307e887e2bbe418ebe53dd
SHA5123e156ef83434d9255c0671a2b60e9e9da76a96751bd45962a3e92ed46fd9c5bac9e79403ac474e19ca67f9edd0c4fddd644e6d709d2be9aa78e947216743dc83
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff9f6ad447adb56b69a9ea9a4b43c4aa
SHA1a3fd19e6d71914155eb86d481e8cd9ca79df745e
SHA256a71d04674175580c3835a0886b70792ff5d8ac4d45ccc5a17d9f299b7f00e316
SHA5127a78b7e3f991b3d5492b1c6b82357bdce132565cd26913b14c9e2f1f8eaa92e61890b1c774bd88d695870914b56a21ffef90af7222e1f601631573aac81f580b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548f38aab06aee89b2f77be4d89c67a5f
SHA1b66a8b5427b8591a98cf607b4500e9b6c5b65c7d
SHA256b135984d785e277bc2d8384c4d5a8e36bd06e6f113830c9a16e6e97634973736
SHA5129bf9a1988edd3a4ffd1434fd068237d9b2e219b705e613083d955b93be632480871c6a1c90122e2a8b1e05e7157602b42ea6385c8b229828c53847c8e4544ee3
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Filesize
4.2MB
MD50a9dde61fde2b75508f733ff38dd3d54
SHA17afe4e24ac80c5459af4302ec153c06c761a6c91
SHA256d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb
SHA512818e4b30f6e01e3797925fbc70a852a5072d8b8de65a18722a33aa0ee7dd5ffe0d70848c5f84a8389a06508cd706fc416303311dba1c42de0ba911ef0174f22b
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Filesize
4.2MB
MD50a9dde61fde2b75508f733ff38dd3d54
SHA17afe4e24ac80c5459af4302ec153c06c761a6c91
SHA256d9d785c7c1ea790900f075c1f59af7cc3836d9d20dcda792534671fb696a13fb
SHA512818e4b30f6e01e3797925fbc70a852a5072d8b8de65a18722a33aa0ee7dd5ffe0d70848c5f84a8389a06508cd706fc416303311dba1c42de0ba911ef0174f22b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec