Analysis
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max time kernel
150s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/03/2024, 16:35
Static task
static1
Behavioral task
behavioral1
Sample
e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe
Resource
win10v2004-20240226-en
General
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Target
e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe
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Size
4.1MB
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MD5
4517cadc3f88aef607d3418b31932e2e
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SHA1
a4b8c3507eecea8b282d9f3d37c278c19d9b6e9e
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SHA256
e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5
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SHA512
5c127c365812f9e9e0ad822dd4b36b82a5d33babdc7c63bf963130412de3a3623fda27e635620cb66eb826b2f71c99ca138b375ebb8510119446d9bbd3cf94b3
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SSDEEP
98304:xcVSpTFm+RXM0iH/U+zPR1spIvd9YBG0+h/JRTkf:mVSp5miMNMcPLsa9YBj+fRgf
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1628-2-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral2/memory/1628-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1628-43-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1628-46-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral2/memory/1628-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-88-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-141-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-192-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2948 csrss.exe 3440 injector.exe 2280 windefender.exe 4540 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7e4-248.dat upx behavioral2/memory/2280-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\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 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe File created C:\Windows\rss\csrss.exe e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe File created 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 1440 sc.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 2852 schtasks.exe 2768 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4880 powershell.exe 4880 powershell.exe 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 2264 powershell.exe 2264 powershell.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 2044 powershell.exe 2044 powershell.exe 4428 powershell.exe 4428 powershell.exe 2764 powershell.exe 2764 powershell.exe 4752 powershell.exe 4752 powershell.exe 2728 powershell.exe 2728 powershell.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 2948 csrss.exe 2948 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 2948 csrss.exe 2948 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 2948 csrss.exe 2948 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Token: SeImpersonatePrivilege 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 4752 powershell.exe Token: SeDebugPrivilege 2728 powershell.exe Token: SeSystemEnvironmentPrivilege 2948 csrss.exe Token: SeSecurityPrivilege 1440 sc.exe Token: SeSecurityPrivilege 1440 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1628 wrote to memory of 4880 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 81 PID 1628 wrote to memory of 4880 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 81 PID 1628 wrote to memory of 4880 1628 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 81 PID 4732 wrote to memory of 2264 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 86 PID 4732 wrote to memory of 2264 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 86 PID 4732 wrote to memory of 2264 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 86 PID 4732 wrote to memory of 1888 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 88 PID 4732 wrote to memory of 1888 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 88 PID 1888 wrote to memory of 1000 1888 cmd.exe 90 PID 1888 wrote to memory of 1000 1888 cmd.exe 90 PID 4732 wrote to memory of 2044 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 91 PID 4732 wrote to memory of 2044 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 91 PID 4732 wrote to memory of 2044 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 91 PID 4732 wrote to memory of 4428 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 93 PID 4732 wrote to memory of 4428 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 93 PID 4732 wrote to memory of 4428 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 93 PID 4732 wrote to memory of 2948 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 95 PID 4732 wrote to memory of 2948 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 95 PID 4732 wrote to memory of 2948 4732 e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe 95 PID 2948 wrote to memory of 2764 2948 csrss.exe 96 PID 2948 wrote to memory of 2764 2948 csrss.exe 96 PID 2948 wrote to memory of 2764 2948 csrss.exe 96 PID 2948 wrote to memory of 4752 2948 csrss.exe 101 PID 2948 wrote to memory of 4752 2948 csrss.exe 101 PID 2948 wrote to memory of 4752 2948 csrss.exe 101 PID 2948 wrote to memory of 2728 2948 csrss.exe 104 PID 2948 wrote to memory of 2728 2948 csrss.exe 104 PID 2948 wrote to memory of 2728 2948 csrss.exe 104 PID 2948 wrote to memory of 3440 2948 csrss.exe 106 PID 2948 wrote to memory of 3440 2948 csrss.exe 106 PID 2280 wrote to memory of 4000 2280 windefender.exe 112 PID 2280 wrote to memory of 4000 2280 windefender.exe 112 PID 2280 wrote to memory of 4000 2280 windefender.exe 112 PID 4000 wrote to memory of 1440 4000 cmd.exe 113 PID 4000 wrote to memory of 1440 4000 cmd.exe 113 PID 4000 wrote to memory of 1440 4000 cmd.exe 113 -
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\e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe"C:\Users\Admin\AppData\Local\Temp\e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880
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C:\Users\Admin\AppData\Local\Temp\e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.exe"C:\Users\Admin\AppData\Local\Temp\e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5.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:4732 -
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:2264
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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:1888 -
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:1000
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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:2044
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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:4428
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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:2948 -
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:2764
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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:2852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1308
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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:4752
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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:2728
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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:3440
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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:2768
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2280 -
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:4000 -
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:1440
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4540
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53cbef8bab0c615d37f31d97db7e45a26
SHA1ca0fa2ae486a9a5c21b5f3977a112d570ea56d21
SHA25654a338cd2e9bf6cecd086591e326668fa9c2543653f4142d0261cff13c1abe5d
SHA512c4cb2e6f8b7bce1e6f43145cc1c523ff554274bdad6d3ba668d71c732a828cb2e6efaa21af6219a6787e234022f8f36f3fe126932dc1358c97a0ab353d2c5d83
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b87034dd32724136f4fced5070ecb3f
SHA19326baa612a029c48865f2567298185060c204af
SHA2569e2756d703eb9576a28f579b8405a1e306167ad87f0532e4498f58d3e2f2abb6
SHA51229881e172b91ba29638d6060c59513a5eef341e34775f664dcdc0883bae3f3d8830569953ec38c8b24049d1e6e14651a12efa850cdaede6d9e44a21aafa81f48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5993170cccf94906a08fcd2a95f09f511
SHA1939ae73966e4bc391858aa21a43fb0a1b24062cb
SHA2562554c1010fdd742b92f26b76ef648d22f9b404c8bf9fc6daac08fc02cf583349
SHA5120b231ffa464ecd906695e3c484412f830ce8384283160042b48818d93791a8cea22cdcfc988133256de070904780596e984f56d625dc74da03498ec5a0151a5c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bf3c2ca84b93c1725cc5221694bde8c
SHA176eff617c343a541b3fab1cbdf160463ec084c78
SHA2562dd6ed83896191b5db4f5f02bf9e27e0550f4262203600ce0875a15e95acc470
SHA5120620d26a759bfd84102e0f5ca48a2a9ad24a85fba38e657bd607afc74e6a7de8ba0e560c98b920dd42da73efeeae1ea2be87c29d00030c27ea62e9d16c69bdcc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a9e7b7a0df32ff839a622ade8b53725
SHA123bc91a0afb81969b7eabcf0697fcfc92b17d72f
SHA2565ceea6be7a26ec85ee6920469947a724151b1a3f381ec8593acdad7e9e02fdbc
SHA512b5da7b9f529708f700ee0713a836bf2aa51405daa976436e758aa86d973fb0178c93af919ddbce2af857e7238408a38b1ca64847f9a5893e9796ac98260f937f
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Filesize
4.1MB
MD54517cadc3f88aef607d3418b31932e2e
SHA1a4b8c3507eecea8b282d9f3d37c278c19d9b6e9e
SHA256e296d656c7c95d81341cfb8c55171cd20347a6eac2811fc281bcaea1b8309dd5
SHA5125c127c365812f9e9e0ad822dd4b36b82a5d33babdc7c63bf963130412de3a3623fda27e635620cb66eb826b2f71c99ca138b375ebb8510119446d9bbd3cf94b3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec