Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 01:58
Static task
static1
Behavioral task
behavioral1
Sample
f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe
Resource
win10v2004-20240508-en
General
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Target
f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe
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Size
4.1MB
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MD5
b45f81b5afc8de519cd93d87b1855a00
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SHA1
b32dcacd2650c168df9a8dee01f08c55388ba509
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SHA256
f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb
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SHA512
e35eeb6f5badd2317b247538d87676bc5728ee4df0822856bcd8c6f6afaf27dc1217c3bc76d9fbe9593781341b7feef374218f550bf26e1f821e9300ddaa29ce
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SSDEEP
98304:8rbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22y:8rcnZFqd2LRPP3hYhQZy
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1532-2-0x0000000004540000-0x0000000004E2B000-memory.dmp family_glupteba behavioral1/memory/1532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1532-83-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/1532-119-0x0000000004540000-0x0000000004E2B000-memory.dmp family_glupteba behavioral1/memory/4924-135-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/1532-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4036-212-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-219-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-230-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-233-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-236-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-239-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-242-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-245-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-248-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-251-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-254-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-257-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4036-260-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2728 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4036 csrss.exe 2308 injector.exe 3896 windefender.exe 2576 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233fc-222.dat upx behavioral1/memory/3896-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2576-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3896-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2576-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2576-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2576-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe File created C:\Windows\rss\csrss.exe f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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 932 sc.exe -
pid Process 5012 powershell.exe 2764 powershell.exe 4880 powershell.exe 2616 powershell.exe 4724 powershell.exe 1176 powershell.exe 532 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4400 schtasks.exe 2332 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,-492 = "India Standard Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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,-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,-2141 = "Transbaikal Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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,-2322 = "Sakhalin Standard Time" windefender.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\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-212 = "Pacific 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" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.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\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1176 powershell.exe 1176 powershell.exe 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 532 powershell.exe 532 powershell.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 5012 powershell.exe 5012 powershell.exe 5012 powershell.exe 2764 powershell.exe 2764 powershell.exe 4880 powershell.exe 4880 powershell.exe 2616 powershell.exe 2616 powershell.exe 4724 powershell.exe 4724 powershell.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 4036 csrss.exe 4036 csrss.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 4036 csrss.exe 4036 csrss.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 4036 csrss.exe 4036 csrss.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe 2308 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1176 powershell.exe Token: SeDebugPrivilege 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Token: SeImpersonatePrivilege 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe Token: SeDebugPrivilege 532 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 4724 powershell.exe Token: SeSystemEnvironmentPrivilege 4036 csrss.exe Token: SeSecurityPrivilege 932 sc.exe Token: SeSecurityPrivilege 932 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1532 wrote to memory of 1176 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 85 PID 1532 wrote to memory of 1176 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 85 PID 1532 wrote to memory of 1176 1532 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 85 PID 4924 wrote to memory of 532 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 95 PID 4924 wrote to memory of 532 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 95 PID 4924 wrote to memory of 532 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 95 PID 4924 wrote to memory of 2412 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 98 PID 4924 wrote to memory of 2412 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 98 PID 2412 wrote to memory of 2728 2412 cmd.exe 100 PID 2412 wrote to memory of 2728 2412 cmd.exe 100 PID 4924 wrote to memory of 5012 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 102 PID 4924 wrote to memory of 5012 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 102 PID 4924 wrote to memory of 5012 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 102 PID 4924 wrote to memory of 2764 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 104 PID 4924 wrote to memory of 2764 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 104 PID 4924 wrote to memory of 2764 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 104 PID 4924 wrote to memory of 4036 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 106 PID 4924 wrote to memory of 4036 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 106 PID 4924 wrote to memory of 4036 4924 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe 106 PID 4036 wrote to memory of 4880 4036 csrss.exe 107 PID 4036 wrote to memory of 4880 4036 csrss.exe 107 PID 4036 wrote to memory of 4880 4036 csrss.exe 107 PID 4036 wrote to memory of 2616 4036 csrss.exe 113 PID 4036 wrote to memory of 2616 4036 csrss.exe 113 PID 4036 wrote to memory of 2616 4036 csrss.exe 113 PID 4036 wrote to memory of 4724 4036 csrss.exe 115 PID 4036 wrote to memory of 4724 4036 csrss.exe 115 PID 4036 wrote to memory of 4724 4036 csrss.exe 115 PID 4036 wrote to memory of 2308 4036 csrss.exe 117 PID 4036 wrote to memory of 2308 4036 csrss.exe 117 PID 3896 wrote to memory of 1756 3896 windefender.exe 124 PID 3896 wrote to memory of 1756 3896 windefender.exe 124 PID 3896 wrote to memory of 1756 3896 windefender.exe 124 PID 1756 wrote to memory of 932 1756 cmd.exe 125 PID 1756 wrote to memory of 932 1756 cmd.exe 125 PID 1756 wrote to memory of 932 1756 cmd.exe 125 -
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\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe"C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1176
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C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe"C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.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:4924 -
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:532
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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:2412 -
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:2728
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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:5012
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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:2764
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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:4036 -
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:4880
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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:4400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2336
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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:2616
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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:4724
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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:2308
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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:2332
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3896 -
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:1756 -
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:932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2576
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56750fb2a5dc2b50597aabe05b1363998
SHA16b772f11094d81e10e8ee19e23955ef97bef2842
SHA256e79b79b13f9813906893d205be2ab2c29568d6f3b5857e72bd2337f6d5242b7a
SHA51226d5672083f716192f164c79252ec7633c07232231bfccc07ca76fad77f48c6a6a0b7461824ec38edb46d55ff19f9f1e80e64d52e42d830001435d43752681a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59786d300d0f46544544778060d4813d9
SHA11533af1c610abcb224ecd05cdefbdd6166de6a7c
SHA25608468154ce8470fba11ca4c3a79db94772835fbc6f321e12250305c2f9ca74f7
SHA5129e87eae57dfa8ce27961b3b3f7d943ce116b020aa4f9ada91b998316fa70cd9e0d838d872fc3e10998b2dcb44ec42aa63d92371e269f4de80dad7c639535a54e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3787dfdaa26a98e2a5c753dc1ff94af
SHA11b89a89cf8e681feb0a70ab91f1414dbe2496cda
SHA25603212df12132ed9f7999511a8c57d6a756dc9142774280f1ca87ed5eed681b7d
SHA5123562ffe8e6e4b8260c5e96445b15c4af13c5cc008375677a0658a98c9bcdd5d1e86902c172e2d6da164b03aab68fffb51c0d74947764f9a8440f2b47f4f1ed2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b061fdd99a1d8c911d1bbc1a9ea80d68
SHA1ba229b93096df77a0c6c24212e52c4f1200845b0
SHA256945241b9c4510a925afcaa26b7327907bb57c0bd0392f39d010709612d4dca04
SHA5125f67a2471e66e20796131f0dbf57f236490f7d6729155738c83286b1ece6c7ee01b22903cf230620a65f58f5a798438aa76ea8c97c5a0ca003f5972494ce13f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5313a99a5dd238bba746a321632320a37
SHA1a5ec2559b535013b3291079fe06609b6ae2e1b53
SHA256c8695bdae464ba4da78970ee319db5e7c63456de1f7446328883f8574ed7358b
SHA512e9d63e1af40b59e29a4dcff310bbe257b501306cf4c00d66da3d49c619689423fbeec7d9426f38356436510a92567bf773b431a593574e39ae017db995ce56aa
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Filesize
4.1MB
MD5b45f81b5afc8de519cd93d87b1855a00
SHA1b32dcacd2650c168df9a8dee01f08c55388ba509
SHA256f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb
SHA512e35eeb6f5badd2317b247538d87676bc5728ee4df0822856bcd8c6f6afaf27dc1217c3bc76d9fbe9593781341b7feef374218f550bf26e1f821e9300ddaa29ce
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec