Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 09:47
Static task
static1
Behavioral task
behavioral1
Sample
4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe
Resource
win10v2004-20240426-en
General
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Target
4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe
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Size
4.1MB
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MD5
fb287bc7020d0d9d7f6a9c007ac27911
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SHA1
380aa7534b72400f1e11680aee555fa0e9587231
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SHA256
4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99
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SHA512
cc65911787d57f63510c98dfbe825b65326b67ff10fa71dfae452c92d9e7b95426e74fa3725c09bd0f1a95f1f6090213b9d667eb9ef1cfa4cea9ab263ab9ac37
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SSDEEP
98304:h7K5Vl8ZqE20RUOYSTpt3v3LmeLqNDCMYVmo+6gmCPLhQD6SI8R:ciZ6oxTpt3fKacDClMdRZ1gw8R
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4544-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-2-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/4544-51-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4544-53-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/4544-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2392-126-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-204-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-214-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-216-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-218-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-220-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-222-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-224-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-226-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-228-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-230-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-232-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-234-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/4712-236-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4272 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4712 csrss.exe 4732 injector.exe 4684 windefender.exe 4980 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e3-207.dat upx behavioral2/memory/4684-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4980-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4684-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4980-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4980-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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 -
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 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe File created C:\Windows\rss\csrss.exe 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.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 2728 sc.exe -
pid Process 2060 powershell.exe 4528 powershell.exe 4356 powershell.exe 4140 powershell.exe 5064 powershell.exe 2368 powershell.exe 3808 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 960 4544 WerFault.exe 77 3900 2392 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 452 schtasks.exe 3528 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.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\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.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\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2060 powershell.exe 2060 powershell.exe 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 4528 powershell.exe 4528 powershell.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 4356 powershell.exe 4356 powershell.exe 4140 powershell.exe 4140 powershell.exe 5064 powershell.exe 5064 powershell.exe 2368 powershell.exe 2368 powershell.exe 3808 powershell.exe 3808 powershell.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4712 csrss.exe 4712 csrss.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4712 csrss.exe 4712 csrss.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4712 csrss.exe 4712 csrss.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe 4732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2060 powershell.exe Token: SeDebugPrivilege 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Token: SeImpersonatePrivilege 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 3808 powershell.exe Token: SeSystemEnvironmentPrivilege 4712 csrss.exe Token: SeSecurityPrivilege 2728 sc.exe Token: SeSecurityPrivilege 2728 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4544 wrote to memory of 2060 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 81 PID 4544 wrote to memory of 2060 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 81 PID 4544 wrote to memory of 2060 4544 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 81 PID 2392 wrote to memory of 4528 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 89 PID 2392 wrote to memory of 4528 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 89 PID 2392 wrote to memory of 4528 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 89 PID 2392 wrote to memory of 236 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 91 PID 2392 wrote to memory of 236 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 91 PID 236 wrote to memory of 4272 236 cmd.exe 93 PID 236 wrote to memory of 4272 236 cmd.exe 93 PID 2392 wrote to memory of 4356 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 94 PID 2392 wrote to memory of 4356 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 94 PID 2392 wrote to memory of 4356 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 94 PID 2392 wrote to memory of 4140 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 96 PID 2392 wrote to memory of 4140 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 96 PID 2392 wrote to memory of 4140 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 96 PID 2392 wrote to memory of 4712 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 98 PID 2392 wrote to memory of 4712 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 98 PID 2392 wrote to memory of 4712 2392 4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe 98 PID 4712 wrote to memory of 5064 4712 csrss.exe 101 PID 4712 wrote to memory of 5064 4712 csrss.exe 101 PID 4712 wrote to memory of 5064 4712 csrss.exe 101 PID 4712 wrote to memory of 2368 4712 csrss.exe 107 PID 4712 wrote to memory of 2368 4712 csrss.exe 107 PID 4712 wrote to memory of 2368 4712 csrss.exe 107 PID 4712 wrote to memory of 3808 4712 csrss.exe 109 PID 4712 wrote to memory of 3808 4712 csrss.exe 109 PID 4712 wrote to memory of 3808 4712 csrss.exe 109 PID 4712 wrote to memory of 4732 4712 csrss.exe 111 PID 4712 wrote to memory of 4732 4712 csrss.exe 111 PID 4684 wrote to memory of 3664 4684 windefender.exe 117 PID 4684 wrote to memory of 3664 4684 windefender.exe 117 PID 4684 wrote to memory of 3664 4684 windefender.exe 117 PID 3664 wrote to memory of 2728 3664 cmd.exe 118 PID 3664 wrote to memory of 2728 3664 cmd.exe 118 PID 3664 wrote to memory of 2728 3664 cmd.exe 118 -
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\4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe"C:\Users\Admin\AppData\Local\Temp\4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
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C:\Users\Admin\AppData\Local\Temp\4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.exe"C:\Users\Admin\AppData\Local\Temp\4ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99.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:2392 -
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:4528
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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:236 -
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:4272
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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:4356
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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:4140
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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:4712 -
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:5064
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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:452
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1204
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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:2368
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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:3808
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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:4732
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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:3528
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4684 -
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:3664 -
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:2728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 7603⤵
- Program crash
PID:3900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 9682⤵
- Program crash
PID:960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4544 -ip 45441⤵PID:2992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2392 -ip 23921⤵PID:5000
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4980
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
MD5a3f786f7bb0b9cb2174238f19c2f2a83
SHA1aadb55111119a64d210d04716df4103d0cce3785
SHA256fd43febc87c00e6f97fa61c7a198d616a6c27fa80a405610ed6a971d853ae998
SHA5128edf97e6326e768462b667dbdaba2fd764362944a0bd1fd2e422aa61945922e64a78690309691e11b6237b18c51a258eddbbfa2370f288c8e5a7b1984bc1cbed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca2dd7b649c59045ecc07da16923c51f
SHA104393d0ffd7eddde07da263fc0e449ebc9d0b5bc
SHA256652dee870c6a39a3a4393b2a431741f6586a92abe60d20eac7323c5ad7c73e3d
SHA512323ea7b61d474a82cb2e761364ecc037278313e59c6d9cb488a156eb273875f2b1e32082c62c807dd3df05b1f5f2c4ae45dcaba0dec17711f50762c06f757d7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1f1693964bef22e877dc5ad46e5c213
SHA1175b641875ff38426d6e43114f58fad3b9934cb2
SHA25645eb9b518a2b707c835d194823404b821ef6f190a8b100f291bc6894a8360961
SHA5121559d418b68364008725ffc71ae1d5091578800a0baaf70ae1a62356fa8dd653bac9ea23c8099010f03ad930b1a841f070c5ede23d9ff7abba8bb8467a706c4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec24515b73a187f33cbae5abdd0ab63b
SHA1460be232f95fd1b0373c2a910dfae0e3072efea6
SHA25696b4c2127967028c92eb880cbf88fb3406881612035ca7fc87f3c03a1739f6bd
SHA512ff9a00d8904ff9632f17ffcc188db4b9498ca97deb26b1043fd6eb8c2d2ed54728dfcd2385436bd46c47a6666c7e500aeee16f1e5f6b57fbda3c6cb75bd6c47e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f0887b580065c9c09ac90da9fed22c5e
SHA1d767ecaf2d2aa8d5d7566e5aba7d78787e3f6f77
SHA256d9328baa41016513381ef0e8cf6e51ff3098c580464a8f7945f8af9819ec6bcc
SHA51202778346211378a3176d0cc0cf811733321c9317b53e6f782b583652ada5253466454694e007f35300ff2f450505203ee6ec2298925e6191bfa44690f0a08ffb
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Filesize
4.1MB
MD5fb287bc7020d0d9d7f6a9c007ac27911
SHA1380aa7534b72400f1e11680aee555fa0e9587231
SHA2564ff0d1e95a5d68b05520871970cd158088ce8c1fca5ee24c84ade6d38128bb99
SHA512cc65911787d57f63510c98dfbe825b65326b67ff10fa71dfae452c92d9e7b95426e74fa3725c09bd0f1a95f1f6090213b9d667eb9ef1cfa4cea9ab263ab9ac37
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec