Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 15:22
Static task
static1
Behavioral task
behavioral1
Sample
d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe
Resource
win10v2004-20240426-en
General
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Target
d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe
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Size
4.1MB
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MD5
66169f4786642c8c51d82e11d4fef1c0
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SHA1
4e0cfc005d8637d2d07daf7e1f2a18cab560e6cb
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SHA256
d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80
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SHA512
d195f38ab65b070dde4f58c95a18f2011fb2bafcb9a04eded2333a02d286abb36bc2bea22e4dde869a5c2583ec47b25b1c075336ad070ef079f074bfde2436ec
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SSDEEP
98304:QvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cd:mzBhDcIv8bCGbNmyXXxFQGyd
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2852-2-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/2852-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2852-117-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2852-118-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/2624-177-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4916-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4456 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4916 csrss.exe 388 injector.exe 5032 windefender.exe 4184 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002342f-219.dat upx behavioral1/memory/5032-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4184-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4184-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4184-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2600 sc.exe -
pid Process 2636 powershell.exe 2732 powershell.exe 3664 powershell.exe 400 powershell.exe 2228 powershell.exe 4384 powershell.exe 932 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 5024 schtasks.exe 2516 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\@tzres.dll,-2451 = "Saint Pierre Daylight 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" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight 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" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard 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" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2228 powershell.exe 2228 powershell.exe 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 4384 powershell.exe 4384 powershell.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 932 powershell.exe 932 powershell.exe 2636 powershell.exe 2636 powershell.exe 2732 powershell.exe 2732 powershell.exe 3664 powershell.exe 3664 powershell.exe 400 powershell.exe 400 powershell.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 4916 csrss.exe 4916 csrss.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 4916 csrss.exe 4916 csrss.exe 388 injector.exe 388 injector.exe 4916 csrss.exe 4916 csrss.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe 388 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Token: SeImpersonatePrivilege 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 932 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 400 powershell.exe Token: SeSystemEnvironmentPrivilege 4916 csrss.exe Token: SeSecurityPrivilege 2600 sc.exe Token: SeSecurityPrivilege 2600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2852 wrote to memory of 2228 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 86 PID 2852 wrote to memory of 2228 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 86 PID 2852 wrote to memory of 2228 2852 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 86 PID 2624 wrote to memory of 4384 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 96 PID 2624 wrote to memory of 4384 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 96 PID 2624 wrote to memory of 4384 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 96 PID 2624 wrote to memory of 3700 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 100 PID 2624 wrote to memory of 3700 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 100 PID 3700 wrote to memory of 4456 3700 cmd.exe 102 PID 3700 wrote to memory of 4456 3700 cmd.exe 102 PID 2624 wrote to memory of 932 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 103 PID 2624 wrote to memory of 932 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 103 PID 2624 wrote to memory of 932 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 103 PID 2624 wrote to memory of 2636 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 105 PID 2624 wrote to memory of 2636 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 105 PID 2624 wrote to memory of 2636 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 105 PID 2624 wrote to memory of 4916 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 107 PID 2624 wrote to memory of 4916 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 107 PID 2624 wrote to memory of 4916 2624 d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe 107 PID 4916 wrote to memory of 2732 4916 csrss.exe 108 PID 4916 wrote to memory of 2732 4916 csrss.exe 108 PID 4916 wrote to memory of 2732 4916 csrss.exe 108 PID 4916 wrote to memory of 3664 4916 csrss.exe 114 PID 4916 wrote to memory of 3664 4916 csrss.exe 114 PID 4916 wrote to memory of 3664 4916 csrss.exe 114 PID 4916 wrote to memory of 400 4916 csrss.exe 116 PID 4916 wrote to memory of 400 4916 csrss.exe 116 PID 4916 wrote to memory of 400 4916 csrss.exe 116 PID 4916 wrote to memory of 388 4916 csrss.exe 118 PID 4916 wrote to memory of 388 4916 csrss.exe 118 PID 5032 wrote to memory of 4224 5032 windefender.exe 124 PID 5032 wrote to memory of 4224 5032 windefender.exe 124 PID 5032 wrote to memory of 4224 5032 windefender.exe 124 PID 4224 wrote to memory of 2600 4224 cmd.exe 125 PID 4224 wrote to memory of 2600 4224 cmd.exe 125 PID 4224 wrote to memory of 2600 4224 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\d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe"C:\Users\Admin\AppData\Local\Temp\d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Users\Admin\AppData\Local\Temp\d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.exe"C:\Users\Admin\AppData\Local\Temp\d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80.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:2624 -
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:4384
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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:3700 -
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:4456
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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:932
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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:2636
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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:4916 -
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:2732
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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:5024
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3488
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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:3664
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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:400
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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:388
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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:2516
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5032 -
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:4224 -
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:2600
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4184
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
MD578f944de30032a0244a3cafba949a5de
SHA1310fdba6635e44c1793c9b2168768512c0add74e
SHA25698ca79b312cf65e86441119e67bdaf1d275779865a3a5739b51208a0fcef81ef
SHA5121f0824dc541489b721aea677255b93022352961e6240184b27493c988cd13b1c08c537a7b3e1c90bcb2d5f9cef3a8da556d8c6b7121a4feeefcdfad2fad54baa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0c4456f0516cb26b83d1f65f3dd21ac
SHA194ac3829df9bb2c85cbf49ca55478bbb7f0a57c8
SHA2560896ae0a19a094a1edb4ab0aed83f583c341ca6a26d276bc1e3abd819ce087fa
SHA512467b241352d4f166770ef6933420349d831ee101f96cff00f50b0607d3e82d82861387740cb507d8cde389080f32f9759b2934aa566835d2e6dc3290243a370c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58fe73e14f33a0439c567444337fae3e4
SHA16d6832728f48f825ab07c9edddf96ee0b4ee7e46
SHA2566efe4b64cff63d04e0e5fda36ea5277f984752aab76294a8e2fe1f81d1c909cb
SHA51261949b6aa6dd1f2dd8e887e3fea103243f192f7fa14ce06470c0dce1468bbdee759a234b14901ecc1ac469ac7a1f3fa364e2cc26e4d767b099869660632a14d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549ea1525ca058264acc23805ba9fb3ad
SHA190ff1b1e79a8e9b8dc1688c0583807e351f45ffc
SHA2568651e70198bcfb99192ba42fa249525e4dd37f96eb3cac6985ba9907c8cf200c
SHA5126a7e97e0ba2e1ad92df219a4a4f52465e74fd02408a3d7ece2b87c5c48d5dd9e815c9453fbca5f1db356c5635d3619f9cee3375db8c2928afbac8b3e0e2eee34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58062f89784c6c8d39485deb55f28b06d
SHA1f8b10d4fc2b9952fae54786ccc014bdb22462cc5
SHA2563658478f5630aab01ba49157010859edaba375fb56fcdb7ab3bd8c499242f09f
SHA512048f651af2313f393af48a634d6affe85bbf224be27cd6935755ccc8d59ea8c0c36c8708680b1813d9a900176b8efd8f89e9b40a05717c62cd9f9dbb25c65654
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Filesize
4.1MB
MD566169f4786642c8c51d82e11d4fef1c0
SHA14e0cfc005d8637d2d07daf7e1f2a18cab560e6cb
SHA256d4a9c9ddfe34e1a0b1dea76ebbeb37a5a74e5eef08223a0cb4b11c07dacffe80
SHA512d195f38ab65b070dde4f58c95a18f2011fb2bafcb9a04eded2333a02d286abb36bc2bea22e4dde869a5c2583ec47b25b1c075336ad070ef079f074bfde2436ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec