Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe
Resource
win10v2004-20240412-en
General
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Target
b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe
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Size
4.2MB
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MD5
26e6411d7a0c48c6eeb8c754597c3780
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SHA1
5054f7863baed1540d99353fb7574fbbaed8ebb6
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SHA256
b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398
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SHA512
720324576e066820aead1cc2d40348701ad58e69789757c82452cbb5b898f4b037dc1d1f17ac88fb8e1c86e5f74d4ef3dd15178a9ce8d2ecd5e06f232edde157
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGk:XdVQtLoTZDg5GO9BqlcM
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/5028-2-0x00000000040A0000-0x000000000498B000-memory.dmp family_glupteba behavioral1/memory/5028-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5028-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5028-58-0x00000000040A0000-0x000000000498B000-memory.dmp family_glupteba behavioral1/memory/4824-59-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4824-135-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4824-160-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-291-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2352-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4764 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2352 csrss.exe 1876 injector.exe 456 windefender.exe 2964 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023447-265.dat upx behavioral1/memory/456-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2964-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2964-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe File created C:\Windows\rss\csrss.exe b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4984 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3904 4824 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5108 schtasks.exe 3712 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan 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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4364 powershell.exe 4364 powershell.exe 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4944 powershell.exe 4944 powershell.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 4356 powershell.exe 4356 powershell.exe 4356 powershell.exe 5036 powershell.exe 5036 powershell.exe 5036 powershell.exe 3016 powershell.exe 3016 powershell.exe 3016 powershell.exe 4776 powershell.exe 4776 powershell.exe 4776 powershell.exe 1148 powershell.exe 1148 powershell.exe 1148 powershell.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 2352 csrss.exe 2352 csrss.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 2352 csrss.exe 2352 csrss.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 2352 csrss.exe 2352 csrss.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4364 powershell.exe Token: SeDebugPrivilege 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Token: SeImpersonatePrivilege 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 5036 powershell.exe Token: SeDebugPrivilege 3016 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeSystemEnvironmentPrivilege 2352 csrss.exe Token: SeSecurityPrivilege 4984 sc.exe Token: SeSecurityPrivilege 4984 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5028 wrote to memory of 4364 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 86 PID 5028 wrote to memory of 4364 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 86 PID 5028 wrote to memory of 4364 5028 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 86 PID 4824 wrote to memory of 4944 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 96 PID 4824 wrote to memory of 4944 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 96 PID 4824 wrote to memory of 4944 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 96 PID 4824 wrote to memory of 4216 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 99 PID 4824 wrote to memory of 4216 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 99 PID 4216 wrote to memory of 4764 4216 cmd.exe 101 PID 4216 wrote to memory of 4764 4216 cmd.exe 101 PID 4824 wrote to memory of 4356 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 102 PID 4824 wrote to memory of 4356 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 102 PID 4824 wrote to memory of 4356 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 102 PID 4824 wrote to memory of 5036 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 105 PID 4824 wrote to memory of 5036 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 105 PID 4824 wrote to memory of 5036 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 105 PID 4824 wrote to memory of 2352 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 107 PID 4824 wrote to memory of 2352 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 107 PID 4824 wrote to memory of 2352 4824 b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe 107 PID 2352 wrote to memory of 3016 2352 csrss.exe 111 PID 2352 wrote to memory of 3016 2352 csrss.exe 111 PID 2352 wrote to memory of 3016 2352 csrss.exe 111 PID 2352 wrote to memory of 4776 2352 csrss.exe 118 PID 2352 wrote to memory of 4776 2352 csrss.exe 118 PID 2352 wrote to memory of 4776 2352 csrss.exe 118 PID 2352 wrote to memory of 1148 2352 csrss.exe 120 PID 2352 wrote to memory of 1148 2352 csrss.exe 120 PID 2352 wrote to memory of 1148 2352 csrss.exe 120 PID 2352 wrote to memory of 1876 2352 csrss.exe 122 PID 2352 wrote to memory of 1876 2352 csrss.exe 122 PID 456 wrote to memory of 2908 456 windefender.exe 128 PID 456 wrote to memory of 2908 456 windefender.exe 128 PID 456 wrote to memory of 2908 456 windefender.exe 128 PID 2908 wrote to memory of 4984 2908 cmd.exe 129 PID 2908 wrote to memory of 4984 2908 cmd.exe 129 PID 2908 wrote to memory of 4984 2908 cmd.exe 129 -
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\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe"C:\Users\Admin\AppData\Local\Temp\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Users\Admin\AppData\Local\Temp\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.exe"C:\Users\Admin\AppData\Local\Temp\b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398.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:4824 -
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:4944
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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:4216 -
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:4764
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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:4356
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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:5036
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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:2352 -
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:3016
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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:5108
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5048
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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:4776
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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:1148
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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:1876
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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:3712
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:456 -
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:2908 -
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:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 8523⤵
- Program crash
PID:3904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4824 -ip 48241⤵PID:4164
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2964
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7b91bdf8baf65722cf45c467c1ce656
SHA142c11181e65335b59e40f9ae693d7f3900da8719
SHA25609a4d8b8d7a945fe74cd9e479d7cfab29ae55e92d7a7ef2788353dd26e20a310
SHA5121f18b29385cddc0c136cfec8a75c38a551ab6dce01dadc7d35ef6169768335e332e28d2b1abaf759436ec7748825c821f8febc91f3e194cd8f874480ac594b45
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5345c9bcd04df13140cfc28f31ad1f0e8
SHA1033e8445d066f934bde527b39ebfa9ea94dcb024
SHA25602a24f52276f6562c81151ea310bd5814c471dedd1cf8d80cf2196c8cbeef6f1
SHA51284e59565ef2863fb5d2accb325cee8f12d779f3a8b80ce82aa1292c7b003e85d71df7c5c81668c579a35343bba3cd375f1a77c6e42f26825e79958ae53a51d85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56564fb34fb9772657fd995c168b0acea
SHA1c2398e62c0014ff7673fa81acb185568595550d4
SHA2562fad9eac8c67b5253f7181042e82517803be4451d2303d8c559709e87e5d40c1
SHA512882a4e705781a643483566e5e359e5ecdc547f8276e26972bab35bbb760cddbdfa13bd27469f680f766fc7f36d65e1c7258ce18aa4a6e865aeed44bc5d4a0b4c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ce975c68b61f63f22bad79213b653ae
SHA1f7bf4e26aedbe9741a3dfebd0910d5ee272c6a96
SHA256f60dac86dcb6eb927a5b83d25123353b20bf6b17401b24a42e4c302c61204f1d
SHA5124fe13e0988e6e14d10a464dd42d2c9c75a108d1ae10470d539874d75d596895d8fca13abe33074e243b37851fe9a0c52737d39a32bcfb0ef7e8e719677d6ae96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5866b7aef5a5360e0a392827fb359dfc6
SHA18b7a28a980959f6cf2130714045a63099c7636b1
SHA256fe9b279d1346db0933ba6bac8d5a834c876eac49f1e01ec1c3717b8c9ce20d0e
SHA512b00e7681d992adcc80c5dd79fc7a9ef3e3f15ce2b3d61352ec405d28dc67fcb460ad4e45877e1a4438aea99ab9627b1e8dd1607e7da8a9de60e08ab2c27f3f03
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Filesize
4.2MB
MD526e6411d7a0c48c6eeb8c754597c3780
SHA15054f7863baed1540d99353fb7574fbbaed8ebb6
SHA256b10c0352ab3e69f051e9f625d1f274d32e77b16646730d81daef21b5e96d1398
SHA512720324576e066820aead1cc2d40348701ad58e69789757c82452cbb5b898f4b037dc1d1f17ac88fb8e1c86e5f74d4ef3dd15178a9ce8d2ecd5e06f232edde157
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec