Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 15:43
Static task
static1
Behavioral task
behavioral1
Sample
cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe
Resource
win10v2004-20240226-en
General
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Target
cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe
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Size
4.1MB
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MD5
14d082c1ac97b32bfb3155608a48fa5b
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SHA1
2c36c7089c8c0a7064ba58e931b9de0292f2ca43
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SHA256
cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116
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SHA512
f761f708648dff6f9c72d0266a11579fd2a60a74c4748bd89e4fed5810089e158a9ebd35a7b656a4bb9ca4a20efd3fd08c81aeb923d3d95a8d5fb9f5a85c8ea7
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SSDEEP
98304:/Qx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08Fed:Ix32Mq02zAeLCVnWszfVfeCa8CLXv/kd
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/784-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/784-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/784-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/784-45-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/784-46-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/784-44-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3564-76-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3564-123-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-202-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-212-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/760-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2168 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 760 csrss.exe 2400 injector.exe 4080 windefender.exe 2860 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3b-205.dat upx behavioral2/memory/4080-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2860-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4080-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2860-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2860-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe File created C:\Windows\rss\csrss.exe cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1948 sc.exe -
pid Process 4008 powershell.exe 912 powershell.exe 3504 powershell.exe 2784 powershell.exe 3080 powershell.exe 780 powershell.exe 4128 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4868 3504 WerFault.exe 81 1656 784 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1276 schtasks.exe 4132 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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.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\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.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,-132 = "US Eastern 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\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland 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,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3504 powershell.exe 3504 powershell.exe 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 2784 powershell.exe 2784 powershell.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 3080 powershell.exe 3080 powershell.exe 780 powershell.exe 780 powershell.exe 4128 powershell.exe 4128 powershell.exe 4008 powershell.exe 4008 powershell.exe 912 powershell.exe 912 powershell.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 760 csrss.exe 760 csrss.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 760 csrss.exe 760 csrss.exe 2400 injector.exe 2400 injector.exe 760 csrss.exe 760 csrss.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3504 powershell.exe Token: SeDebugPrivilege 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Token: SeImpersonatePrivilege 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 3080 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 4128 powershell.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeSystemEnvironmentPrivilege 760 csrss.exe Token: SeSecurityPrivilege 1948 sc.exe Token: SeSecurityPrivilege 1948 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 784 wrote to memory of 3504 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 81 PID 784 wrote to memory of 3504 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 81 PID 784 wrote to memory of 3504 784 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 81 PID 3564 wrote to memory of 2784 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 91 PID 3564 wrote to memory of 2784 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 91 PID 3564 wrote to memory of 2784 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 91 PID 3564 wrote to memory of 1388 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 93 PID 3564 wrote to memory of 1388 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 93 PID 1388 wrote to memory of 2168 1388 cmd.exe 95 PID 1388 wrote to memory of 2168 1388 cmd.exe 95 PID 3564 wrote to memory of 3080 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 96 PID 3564 wrote to memory of 3080 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 96 PID 3564 wrote to memory of 3080 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 96 PID 3564 wrote to memory of 780 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 98 PID 3564 wrote to memory of 780 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 98 PID 3564 wrote to memory of 780 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 98 PID 3564 wrote to memory of 760 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 100 PID 3564 wrote to memory of 760 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 100 PID 3564 wrote to memory of 760 3564 cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe 100 PID 760 wrote to memory of 4128 760 csrss.exe 101 PID 760 wrote to memory of 4128 760 csrss.exe 101 PID 760 wrote to memory of 4128 760 csrss.exe 101 PID 760 wrote to memory of 4008 760 csrss.exe 107 PID 760 wrote to memory of 4008 760 csrss.exe 107 PID 760 wrote to memory of 4008 760 csrss.exe 107 PID 760 wrote to memory of 912 760 csrss.exe 109 PID 760 wrote to memory of 912 760 csrss.exe 109 PID 760 wrote to memory of 912 760 csrss.exe 109 PID 760 wrote to memory of 2400 760 csrss.exe 111 PID 760 wrote to memory of 2400 760 csrss.exe 111 PID 4080 wrote to memory of 1028 4080 windefender.exe 117 PID 4080 wrote to memory of 1028 4080 windefender.exe 117 PID 4080 wrote to memory of 1028 4080 windefender.exe 117 PID 1028 wrote to memory of 1948 1028 cmd.exe 118 PID 1028 wrote to memory of 1948 1028 cmd.exe 118 PID 1028 wrote to memory of 1948 1028 cmd.exe 118 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe"C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3504 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 25283⤵
- Program crash
PID:4868
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C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.exe"C:\Users\Admin\AppData\Local\Temp\cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116.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:3564 -
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:2784
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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:1388 -
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:2168
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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:3080
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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:780
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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:760 -
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:4128
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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:1276
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3024
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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:4008
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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:912
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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:2400
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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:4132
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4080 -
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:1028 -
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:1948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 6522⤵
- Program crash
PID:1656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3504 -ip 35041⤵PID:4620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 784 -ip 7841⤵PID:2676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2860
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
MD5fb54a2f0aa615d38a8abf9c5666c24fd
SHA1f6697462448732038e917ade1ef268988ef0b646
SHA256cdc6a6d0c631a9002290f0fc4aff87c218dc34582f92850c6bb3c0bdea9a4e49
SHA512b036cd6e1a75fbaa98b2c186189dda30d0feef99cca16b890a4cc648da1ddb435826e33ade82c16e5604c7dc59a1590b41a23b57b801b60c860bd0374790c6a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5766efd66e9005bb4fb82afcad4000f1e
SHA14240c56cf7c4a4121ecc6e51d3804391ef283657
SHA2566dffef4bab6913f47a1fd4b22d3471403c78c299fc32756e5580bdf0351992fa
SHA5124b80c776fe544be85e877d2cd65ff0fbbe8b8783ac6ed80ec20c900b24d98d4b89a90cc8cdc04dbdf9d887a3c72933dc499ba9e6b5ba2e0394006bc20d3762f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572f50216b769c948ac60a41b48567112
SHA11c852beddeefb717661e4bb5f5dde89db2c1faf6
SHA256c552735d52942229c4b63c859810747e0747dfd11fa7d600fd8e5015f2d19589
SHA5123d0fcf933d341bfe7530a19630bb9f3ad33b3fbe28a6676d66416485b46001673b994cacb502db3adeefd086164147d3a26b67457a3bc39eb71a36257fd4692d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56296f13783c4682b3bf2f1086370c36b
SHA120772b1e3b2b60499af33c9dd3d30d557a6178a2
SHA25649a4e030a1c30a30622f30e4af1a8e5bb9adf4706c8ace1c3089038bb2964b99
SHA512fd78919c51567883bb010d84044ee2ea667a1d6c82e64248e7fdb775dd662fd02845b0e7cb39df7b1d4bf417d2c302a85a284496d0058f1853c978ac3c672b94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de36abef46984df9cd1bed31382b8621
SHA19a7869873662b63227901fe99842c72352912e83
SHA2561aa186894c76cae961792bfa177462f1088984ba77422c6ba97a8850678fefdf
SHA512b1c9cab276f59526e55d5baa1e8a535b6ae5db572fbd0b626523d794c32ba7fdaee51704160448f60a20c444d6b0b546fd9ee084a92803c20e3f7a7045383b2b
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Filesize
4.1MB
MD514d082c1ac97b32bfb3155608a48fa5b
SHA12c36c7089c8c0a7064ba58e931b9de0292f2ca43
SHA256cda32915ca02358f42ae13e0e99d92b5352f12e89bf80a69faa580847dabe116
SHA512f761f708648dff6f9c72d0266a11579fd2a60a74c4748bd89e4fed5810089e158a9ebd35a7b656a4bb9ca4a20efd3fd08c81aeb923d3d95a8d5fb9f5a85c8ea7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec