Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 20:06
Static task
static1
Behavioral task
behavioral1
Sample
b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe
Resource
win10v2004-20240226-en
General
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Target
b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe
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Size
4.2MB
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MD5
7811f765982ff3ca394c88179e364f11
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SHA1
25b4250522b4e48cc6c3c8cfd48242e7441f4bf4
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SHA256
b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d
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SHA512
02c7109a9ec34435feab5108687b01dedb8b14de492e8a3fa47dda55a4d0b9dff982932e16642c96696d30a82a89376bed0951f6a61dcbc4c3a9fe4d1aeae7cd
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SSDEEP
98304:B00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXG2:TpJcNpX++PyaASVpB6kP
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4832-2-0x0000000004220000-0x0000000004B0B000-memory.dmp family_glupteba behavioral2/memory/4832-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4832-42-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1960-44-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral2/memory/4832-45-0x0000000004220000-0x0000000004B0B000-memory.dmp family_glupteba behavioral2/memory/1960-46-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1960-134-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1960-140-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-237-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-246-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-247-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-249-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/984-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2092 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 984 csrss.exe 4588 injector.exe 1740 windefender.exe 4668 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a974-240.dat upx behavioral2/memory/1740-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4668-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4668-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.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 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe File created C:\Windows\rss\csrss.exe b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.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 2332 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4992 4056 WerFault.exe 79 1660 4832 WerFault.exe 77 -
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 2496 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,-71 = "Newfoundland Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.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\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 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,-431 = "Iran Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard 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" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4056 powershell.exe 4056 powershell.exe 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 4596 powershell.exe 4596 powershell.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 3836 powershell.exe 3836 powershell.exe 1248 powershell.exe 1248 powershell.exe 1972 powershell.exe 1972 powershell.exe 3268 powershell.exe 3268 powershell.exe 244 powershell.exe 244 powershell.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 984 csrss.exe 984 csrss.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 984 csrss.exe 984 csrss.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 984 csrss.exe 984 csrss.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe 4588 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Token: SeImpersonatePrivilege 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 1248 powershell.exe Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 244 powershell.exe Token: SeSystemEnvironmentPrivilege 984 csrss.exe Token: SeSecurityPrivilege 2332 sc.exe Token: SeSecurityPrivilege 2332 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4832 wrote to memory of 4056 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 79 PID 4832 wrote to memory of 4056 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 79 PID 4832 wrote to memory of 4056 4832 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 79 PID 1960 wrote to memory of 4596 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 89 PID 1960 wrote to memory of 4596 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 89 PID 1960 wrote to memory of 4596 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 89 PID 1960 wrote to memory of 2864 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 91 PID 1960 wrote to memory of 2864 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 91 PID 2864 wrote to memory of 2092 2864 cmd.exe 93 PID 2864 wrote to memory of 2092 2864 cmd.exe 93 PID 1960 wrote to memory of 3836 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 94 PID 1960 wrote to memory of 3836 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 94 PID 1960 wrote to memory of 3836 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 94 PID 1960 wrote to memory of 1248 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 96 PID 1960 wrote to memory of 1248 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 96 PID 1960 wrote to memory of 1248 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 96 PID 1960 wrote to memory of 984 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 98 PID 1960 wrote to memory of 984 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 98 PID 1960 wrote to memory of 984 1960 b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe 98 PID 984 wrote to memory of 1972 984 csrss.exe 99 PID 984 wrote to memory of 1972 984 csrss.exe 99 PID 984 wrote to memory of 1972 984 csrss.exe 99 PID 984 wrote to memory of 3268 984 csrss.exe 104 PID 984 wrote to memory of 3268 984 csrss.exe 104 PID 984 wrote to memory of 3268 984 csrss.exe 104 PID 984 wrote to memory of 244 984 csrss.exe 107 PID 984 wrote to memory of 244 984 csrss.exe 107 PID 984 wrote to memory of 244 984 csrss.exe 107 PID 984 wrote to memory of 4588 984 csrss.exe 109 PID 984 wrote to memory of 4588 984 csrss.exe 109 PID 1740 wrote to memory of 5052 1740 windefender.exe 115 PID 1740 wrote to memory of 5052 1740 windefender.exe 115 PID 1740 wrote to memory of 5052 1740 windefender.exe 115 PID 5052 wrote to memory of 2332 5052 cmd.exe 116 PID 5052 wrote to memory of 2332 5052 cmd.exe 116 PID 5052 wrote to memory of 2332 5052 cmd.exe 116 -
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\b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe"C:\Users\Admin\AppData\Local\Temp\b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 25443⤵
- Program crash
PID:4992
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C:\Users\Admin\AppData\Local\Temp\b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.exe"C:\Users\Admin\AppData\Local\Temp\b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d.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:1960 -
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:4596
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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:2864 -
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:2092
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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:3836
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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:1248
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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:984 -
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:1972
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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:2496
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2200
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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:3268
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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:244
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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:4588
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1740 -
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:5052 -
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:2332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 9362⤵
- Program crash
PID:1660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4056 -ip 40561⤵PID:5072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4832 -ip 48321⤵PID:1412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4668
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8df9cc9dc86322b8ad88c84208c05be
SHA1fce81432679016ef9e01c5f4093d584075b34e4d
SHA256a2597c09a477c1d9073295d64f684faca626039fc2be02ee24bb5f9f32f82284
SHA512b22d6985ba177dd4d23fd7ed6ff7ced1446939093744dbbebc436cbfbd73cb46a872eefc59af9b61688da129bf52dd81f02fb9d238990c68f1c37f3a0dd02256
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510d3374ae20ff5f5b05f6e8a57f4e5d3
SHA15a5cd13b7c916effb497989afe291e99b7d51d22
SHA25657ebf87ace52816b14afddf3bee64e09037448a790b673ede64c916b623e41d0
SHA512aa37c5a4f7ebc797a9a99b93791662f5b02bad25b5f254917bcb7db93476079b1ef60f5960ad2a9d5e3cd472e149057c4b1d0ffd714f33190fb4e56e1f5fdede
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5616d73cb5753e0f8835d5e716731a50c
SHA1f48c139bb7bd1123cc72e8db2be1f3b115046e7a
SHA25609f52591a3f36b739b11e327716becf13f32bc022c044ba3083c6291afcaf320
SHA512660f9d3cda17e06b60447da5603550a246cfe0d75fbd4fff3e4805842cad69aa2ac78971f98cef80cd33c61cb7b9ae06dfae59676dbf070bde9b91b7f91af8f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579be8c4cef9b912dd443ecf3519fc755
SHA13b1c39bba76d8a4ad13bb1cefd415c3426375c80
SHA25632173fe770d2a2f5abd43ee871bb1a4ba7dd1475aff7e30ac7ded7d4fe9cbca1
SHA51238385175ebda1643544e0f10bddf2741ba678a68c85286a84567a1faacdfa84b107d838e9f4135b1d812b5b6e996c9be7b37b688345163c5242bda4e95899953
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56778c8a24e6ba484ba427ea047dd2e5f
SHA1ada9bcb605aa1e25cd566453dd4b52dbf817c60f
SHA256e380e4cf4c5bfc43239cf158b6e28844579a70c96f5e22699114174237b3efc9
SHA5128dbfaf4fd501104631d7955b3e6da56050ad844f064fe52bab1ed3f5554592b8f3f3ad1a52ebe24916fe906086d909c4a4ceab927de4010f0c1bbe3a21408ead
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Filesize
4.2MB
MD57811f765982ff3ca394c88179e364f11
SHA125b4250522b4e48cc6c3c8cfd48242e7441f4bf4
SHA256b7cee9edcee16f74545953fc104e2d3841852fc000fac7acf439f2fdc224d70d
SHA51202c7109a9ec34435feab5108687b01dedb8b14de492e8a3fa47dda55a4d0b9dff982932e16642c96696d30a82a89376bed0951f6a61dcbc4c3a9fe4d1aeae7cd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec