Analysis
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max time kernel
13s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 19:18
Static task
static1
Behavioral task
behavioral1
Sample
c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe
Resource
win10v2004-20240412-en
General
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Target
c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe
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Size
4.2MB
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MD5
65e726d66f070fcd98aa14e774a843fb
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SHA1
4e1e602621b0d3bc747ef7aa42a90d62346113a2
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SHA256
c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1
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SHA512
b22b836ca8c763983dc31ee3807c5ef719da971991d52b8037c95b63c91eab758d6847dd587b78e7c631bf42a64101eb7b8c64a1b48ce68fbc1085cca1b24c26
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SSDEEP
98304:W+HT2dFOlkJa7jNZC2ePu9ILkthheCYlOat:PzMKBrC2kuA8hntO
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3068-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/3068-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/2608-56-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral1/memory/2608-68-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3068-84-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/2608-136-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/2608-157-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-260-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-270-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-273-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-276-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-279-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-282-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-285-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-288-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-291-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-294-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-297-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-300-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3536-303-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5088 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 3536 csrss.exe -
resource yara_rule behavioral1/files/0x0008000000023431-264.dat upx behavioral1/memory/2164-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.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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Drops file in System32 directory 5 IoCs
description ioc Process 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 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 -
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 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe File created C:\Windows\rss\csrss.exe c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1080 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 4224 schtasks.exe 5044 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 3880 powershell.exe 3880 powershell.exe 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 3960 powershell.exe 3960 powershell.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 2820 powershell.exe 2820 powershell.exe 2820 powershell.exe 4520 powershell.exe 4520 powershell.exe 4520 powershell.exe 2828 powershell.exe 2828 powershell.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3880 powershell.exe Token: SeDebugPrivilege 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Token: SeImpersonatePrivilege 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe Token: SeDebugPrivilege 3960 powershell.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3068 wrote to memory of 3880 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 91 PID 3068 wrote to memory of 3880 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 91 PID 3068 wrote to memory of 3880 3068 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 91 PID 2608 wrote to memory of 3960 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 98 PID 2608 wrote to memory of 3960 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 98 PID 2608 wrote to memory of 3960 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 98 PID 2608 wrote to memory of 4996 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 101 PID 2608 wrote to memory of 4996 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 101 PID 4996 wrote to memory of 5088 4996 cmd.exe 103 PID 4996 wrote to memory of 5088 4996 cmd.exe 103 PID 2608 wrote to memory of 2820 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 104 PID 2608 wrote to memory of 2820 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 104 PID 2608 wrote to memory of 2820 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 104 PID 2608 wrote to memory of 4520 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 106 PID 2608 wrote to memory of 4520 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 106 PID 2608 wrote to memory of 4520 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 106 PID 2608 wrote to memory of 3536 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 108 PID 2608 wrote to memory of 3536 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 108 PID 2608 wrote to memory of 3536 2608 c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe 108 PID 3536 wrote to memory of 2828 3536 csrss.exe 109 PID 3536 wrote to memory of 2828 3536 csrss.exe 109 PID 3536 wrote to memory of 2828 3536 csrss.exe 109 PID 3536 wrote to memory of 968 3536 csrss.exe 115 PID 3536 wrote to memory of 968 3536 csrss.exe 115 PID 3536 wrote to memory of 968 3536 csrss.exe 115 -
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\c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe"C:\Users\Admin\AppData\Local\Temp\c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880
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C:\Users\Admin\AppData\Local\Temp\c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.exe"C:\Users\Admin\AppData\Local\Temp\c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1.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:2608 -
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:3960
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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:4996 -
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:5088
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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:2820
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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:4520
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3536 -
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:2828
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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:4224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:968
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:4492
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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⤵PID:2316
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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:5044
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:2164
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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⤵PID:1584
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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
PID:1080
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:3748
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a3f6a5d5e799eb3b81978e2fbfc57e9
SHA1322d0993ffc2b5a77fcf42babbc858801dcc1f4d
SHA2566762e16222e7d4ff963bdec2208c0765eafae853dccbd4721567f1eb8c6431c5
SHA51202eb825c32d76dfbaa02f42a2159e792011f846aaacf36eba8c3e12495458c5441f8afc853fb490e1083a5c6d9c6768b7b58d10acc664789649aebd120d1c7e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2149fbee5e5c7245bc0c8fd2ef26309
SHA10c15e72a725a0ea38d93859fe3489c3270bfdeb3
SHA256dc66a8454279a9429a55904cbf143c4c68842e8bb680c7ac955fa5e8c0a949f7
SHA512ea7df1fc248f0e7a5f621c3334896c8d1dcfb96ea27fb653a5ba5ad6ef2b6529c01eb10dfcca3ed9b979c24a4276034ad2d80ead2fc55f04337e0b3c40580894
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8164fe620c14f4aa473c83b8a70974d
SHA14c8e2b9f0ee372ab7836dc28dbe96b2dbd4730b9
SHA256743a33e106aa326f85e5dc3578194569b6ce1b22d1f6301ef331b1f4c3d56ab1
SHA5120b668a8747b1119dda7dc3c03253611d7199cae4a2b873cdf90deb2d0c72758cd46f1e40926e7ba1d9e68adc887a9e3f0ff29b2d726db0d24cf5f0c72ed03cb6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e53887cf629fd553dde5275418aa9c2e
SHA1badecd8750c59c42938ecfe2c45f99b57ee1cf26
SHA256f823d3d884789e1dde1a31083257124c695374c44b0214972806926871657443
SHA512350c8ad682cbce9b2e8eb859a85d6163af715319be6b97b26060b7b5b740eb6b9a430ec2c4234c09582e6bd4fd700f667bd8296cfc123acb76279f0534baef80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565c5bbe28adf5aa440c498928d73880a
SHA14b787ef9cc6a997974d99bdbdb9d1ba294a2f6eb
SHA2566a2d1449a7f907cb57212a7490d763609ada6887602a93256a63c4b3bb430079
SHA5122db65d13a81ebfcef56be5647b4dad6c1f19a6ba1bbcfb4b803ffe95c918e641b384396154bb8de952cd125d84642fec7c1f489b14b2f837b1ac00e3a4abece5
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Filesize
4.2MB
MD565e726d66f070fcd98aa14e774a843fb
SHA14e1e602621b0d3bc747ef7aa42a90d62346113a2
SHA256c53ae2d7fca3f95db8ba8363a850415d45890d7c6a5dbda2535a6e46f498aec1
SHA512b22b836ca8c763983dc31ee3807c5ef719da971991d52b8037c95b63c91eab758d6847dd587b78e7c631bf42a64101eb7b8c64a1b48ce68fbc1085cca1b24c26
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec