Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/04/2024, 10:08
Static task
static1
Behavioral task
behavioral1
Sample
0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe
Resource
win10v2004-20240412-en
General
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Target
0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe
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Size
4.2MB
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MD5
7565106e2737bf8c16df589130936c3a
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SHA1
1c581c1ef4f998260b78e698a32c751e081ba916
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SHA256
0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220
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SHA512
6840582f20dbb4fa3b09f717ef8b8fdb3637ba0e40b3733f3006c0a2054268a8604979c0bfccfb96f285821c8f7a9f8c7446869ccf96142cfe7b0596b6e0bc90
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SSDEEP
98304:BJNIwJa59DLsKbplMWxtLgHEdMEVmrVt48S8rnYS4LtDn:BJ+FzpyWxhgHUVEs8S9ZZL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2020-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/2020-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2020-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2020-53-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/4788-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4788-129-0x0000000001000000-0x00000000013FD000-memory.dmp family_glupteba behavioral2/memory/4788-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4992-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2556 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4992 csrss.exe 1176 injector.exe 4740 windefender.exe 4104 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa79-249.dat upx behavioral2/memory/4740-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4104-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4104-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe File created C:\Windows\rss\csrss.exe 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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 3888 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3212 2020 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1132 schtasks.exe 3104 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 872 powershell.exe 872 powershell.exe 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 3912 powershell.exe 3912 powershell.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 2288 powershell.exe 2288 powershell.exe 3612 powershell.exe 3612 powershell.exe 4996 powershell.exe 4996 powershell.exe 2760 powershell.exe 2760 powershell.exe 3912 powershell.exe 3912 powershell.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 4992 csrss.exe 4992 csrss.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 4992 csrss.exe 4992 csrss.exe 1176 injector.exe 1176 injector.exe 4992 csrss.exe 4992 csrss.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe 1176 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Token: SeImpersonatePrivilege 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 3612 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeSystemEnvironmentPrivilege 4992 csrss.exe Token: SeSecurityPrivilege 3888 sc.exe Token: SeSecurityPrivilege 3888 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2020 wrote to memory of 872 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 81 PID 2020 wrote to memory of 872 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 81 PID 2020 wrote to memory of 872 2020 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 81 PID 4788 wrote to memory of 3912 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 89 PID 4788 wrote to memory of 3912 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 89 PID 4788 wrote to memory of 3912 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 89 PID 4788 wrote to memory of 4756 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 91 PID 4788 wrote to memory of 4756 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 91 PID 4756 wrote to memory of 2556 4756 cmd.exe 93 PID 4756 wrote to memory of 2556 4756 cmd.exe 93 PID 4788 wrote to memory of 2288 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 94 PID 4788 wrote to memory of 2288 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 94 PID 4788 wrote to memory of 2288 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 94 PID 4788 wrote to memory of 3612 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 96 PID 4788 wrote to memory of 3612 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 96 PID 4788 wrote to memory of 3612 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 96 PID 4788 wrote to memory of 4992 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 98 PID 4788 wrote to memory of 4992 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 98 PID 4788 wrote to memory of 4992 4788 0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe 98 PID 4992 wrote to memory of 4996 4992 csrss.exe 100 PID 4992 wrote to memory of 4996 4992 csrss.exe 100 PID 4992 wrote to memory of 4996 4992 csrss.exe 100 PID 4992 wrote to memory of 2760 4992 csrss.exe 105 PID 4992 wrote to memory of 2760 4992 csrss.exe 105 PID 4992 wrote to memory of 2760 4992 csrss.exe 105 PID 4992 wrote to memory of 3912 4992 csrss.exe 108 PID 4992 wrote to memory of 3912 4992 csrss.exe 108 PID 4992 wrote to memory of 3912 4992 csrss.exe 108 PID 4992 wrote to memory of 1176 4992 csrss.exe 110 PID 4992 wrote to memory of 1176 4992 csrss.exe 110 PID 4740 wrote to memory of 4396 4740 windefender.exe 116 PID 4740 wrote to memory of 4396 4740 windefender.exe 116 PID 4740 wrote to memory of 4396 4740 windefender.exe 116 PID 4396 wrote to memory of 3888 4396 cmd.exe 117 PID 4396 wrote to memory of 3888 4396 cmd.exe 117 PID 4396 wrote to memory of 3888 4396 cmd.exe 117 -
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\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe"C:\Users\Admin\AppData\Local\Temp\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:872
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C:\Users\Admin\AppData\Local\Temp\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.exe"C:\Users\Admin\AppData\Local\Temp\0b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220.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:4788 -
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:3912
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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:4756 -
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:2556
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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:2288
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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:3612
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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:4992 -
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:4996
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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:3104
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4332
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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:2760
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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:3912
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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:1176
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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:1132
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4740 -
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:4396 -
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:3888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 7522⤵
- Program crash
PID:3212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2020 -ip 20201⤵PID:3732
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4104
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
MD5c81952c4335485f0210fb88f780a1c97
SHA19399e6a51d5f31c5ea6222eb44e655d5223c3327
SHA25613ac87c8442e28f15224d672dbc83374d5d015b49d9f52c7338d34a626ac5970
SHA51256f85efd4a6bdcb4567280c9904729ece3b7622c1f7f96aa70ca63207fd8ec150e9d02577523cee3c025d6c091879cf5b4241eaf566b78dc435a6a2e78a9fd7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5088babf45ac642ac616145262e1689c7
SHA1097bc803f52be65e1f6a28f3ed2dd6d0f389d636
SHA25685a7e85f40841ebcba6d125342653e6772bf0112fc12e09c162bd89898ff9081
SHA51232bdb837f94e8c9a6451a6da04dc829f49f624a424fbd0a5267998807514ba5ee3030ad84422124dac0bc99905101d051f45c3ed3c1cccb8d3c2a13f85516fdb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578b608fa38595b269fba565a43c74f16
SHA16738fcb01bfc15948071b3d0c9deb838a88bee18
SHA256648eadbfa7e42632afa9ab9b4912e559d894a9cb37043088366bf8c76ac9e427
SHA512ad06620448a8029ae3999f35ccc31d7928ba00f3508fb14df2d713819f76ba72e051c4d9b7905159fd026116ae709c19d3b467638031f0a8ae486c2f2eb4965a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d96e1911ef6898f755029724c0fdf187
SHA124f603ff58f38925490dacd4dbd9ffdd54a05f31
SHA256873ad63f986c1b7d7fff16ab13cbfba7a7eb3293da1b6cf4bdeb95393fb56ef7
SHA512599e69f91a4d4238efa0ee4fc827b5d85069090127b75f6f223e6a48c17fe329bd5d6e410c0675d099345a81fe83051552f96fb0fd0f53b7634bbea80dd99523
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8cb6becb29b7f49d2848b8c542b24f4
SHA15d6937674ef318df970812de07531c4b3f0dd042
SHA2563e7359c9ef3c9bf62d53509fe9ea8b81643e1d4f5a49f4570f8bf91b735b26ee
SHA512d4a231cb76ce34030ee1d525a8955eabae0cb925d2ef132d22fad85db4e1c0f2f70327cabc5ae30619832669338ab54c36150f13b24fecf1988480ea7e761716
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Filesize
4.2MB
MD57565106e2737bf8c16df589130936c3a
SHA11c581c1ef4f998260b78e698a32c751e081ba916
SHA2560b114d45cdd5034ebdbe6c07ae7ce214c6cd30598640ef059ec539f93f9a3220
SHA5126840582f20dbb4fa3b09f717ef8b8fdb3637ba0e40b3733f3006c0a2054268a8604979c0bfccfb96f285821c8f7a9f8c7446869ccf96142cfe7b0596b6e0bc90
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec