Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2023 23:30
Static task
static1
General
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Target
34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe
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Size
4.2MB
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MD5
504d6820d56fb275ba53f9d0b20fc40b
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SHA1
7a4d28d88b2c228e50f516720da9d9a47a2b2f99
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SHA256
34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da
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SHA512
c8d3fb8588595f73e5c534b1cb76b138d2789b50369c2a6b0fe9b18c71414310e218c1efa24d1b7f1b5d9590f3586053549d6158e3c7b58f7bfc36d43f38f9f5
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SSDEEP
98304:KxQ7TT3z4SRBE5r5hJaPEdEtrFit4KKDM5ulG:KSTjdRir5vasEt2VKDM5ulG
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/1832-134-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral1/memory/1832-172-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1832-206-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4004-231-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4004-290-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-330-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-353-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-365-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-368-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-373-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-376-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-381-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-385-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-389-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-392-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-397-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1952 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2792 csrss.exe 1664 injector.exe 1160 windefender.exe 4836 windefender.exe 3392 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002315b-357.dat upx behavioral1/files/0x000700000002315b-358.dat upx behavioral1/files/0x000700000002315b-360.dat upx behavioral1/memory/1160-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4836-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4836-367-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4836-375-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000800000002314c-401.dat upx behavioral1/files/0x000800000002314c-402.dat upx behavioral1/memory/3392-405-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4836-406-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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 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 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 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.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 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe File created C:\Windows\rss\csrss.exe 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2516 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 1384 schtasks.exe 3888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\ProxyBypass = "1" 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\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1e\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.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\1e\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1e\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.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\1e\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2244 powershell.exe 2244 powershell.exe 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 3756 powershell.exe 3756 powershell.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 2068 powershell.exe 2068 powershell.exe 4372 powershell.exe 4372 powershell.exe 2500 powershell.exe 2500 powershell.exe 1140 powershell.exe 1140 powershell.exe 2208 powershell.exe 2208 powershell.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 2792 csrss.exe 2792 csrss.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 2792 csrss.exe 2792 csrss.exe 1664 injector.exe 1664 injector.exe 2792 csrss.exe 2792 csrss.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Token: SeImpersonatePrivilege 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 1140 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeSystemEnvironmentPrivilege 2792 csrss.exe Token: SeSecurityPrivilege 2516 sc.exe Token: SeSecurityPrivilege 2516 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1832 wrote to memory of 2244 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 86 PID 1832 wrote to memory of 2244 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 86 PID 1832 wrote to memory of 2244 1832 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 86 PID 4004 wrote to memory of 3756 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 94 PID 4004 wrote to memory of 3756 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 94 PID 4004 wrote to memory of 3756 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 94 PID 4004 wrote to memory of 1516 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 96 PID 4004 wrote to memory of 1516 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 96 PID 1516 wrote to memory of 1952 1516 cmd.exe 98 PID 1516 wrote to memory of 1952 1516 cmd.exe 98 PID 4004 wrote to memory of 2068 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 99 PID 4004 wrote to memory of 2068 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 99 PID 4004 wrote to memory of 2068 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 99 PID 4004 wrote to memory of 4372 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 101 PID 4004 wrote to memory of 4372 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 101 PID 4004 wrote to memory of 4372 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 101 PID 4004 wrote to memory of 2792 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 104 PID 4004 wrote to memory of 2792 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 104 PID 4004 wrote to memory of 2792 4004 34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe 104 PID 2792 wrote to memory of 2500 2792 csrss.exe 105 PID 2792 wrote to memory of 2500 2792 csrss.exe 105 PID 2792 wrote to memory of 2500 2792 csrss.exe 105 PID 2792 wrote to memory of 1140 2792 csrss.exe 111 PID 2792 wrote to memory of 1140 2792 csrss.exe 111 PID 2792 wrote to memory of 1140 2792 csrss.exe 111 PID 2792 wrote to memory of 2208 2792 csrss.exe 113 PID 2792 wrote to memory of 2208 2792 csrss.exe 113 PID 2792 wrote to memory of 2208 2792 csrss.exe 113 PID 2792 wrote to memory of 1664 2792 csrss.exe 115 PID 2792 wrote to memory of 1664 2792 csrss.exe 115 PID 1160 wrote to memory of 864 1160 windefender.exe 121 PID 1160 wrote to memory of 864 1160 windefender.exe 121 PID 1160 wrote to memory of 864 1160 windefender.exe 121 PID 864 wrote to memory of 2516 864 cmd.exe 122 PID 864 wrote to memory of 2516 864 cmd.exe 122 PID 864 wrote to memory of 2516 864 cmd.exe 122 PID 2792 wrote to memory of 3392 2792 csrss.exe 125 PID 2792 wrote to memory of 3392 2792 csrss.exe 125 PID 2792 wrote to memory of 3392 2792 csrss.exe 125 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe"C:\Users\Admin\AppData\Local\Temp\34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244
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C:\Users\Admin\AppData\Local\Temp\34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.exe"C:\Users\Admin\AppData\Local\Temp\34e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da.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:4004 -
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:3756
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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:1516 -
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:1952
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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:2068
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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:4372
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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:2792 -
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:2500
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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:1384
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2688
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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:1140
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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:2208
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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:1664
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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:3888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1160 -
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:864 -
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:2516
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3392 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1140
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4836
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD57ddc2dc58ae775237208fc1abbc1d47a
SHA18b55141f780841d2d373f7370c85c35db81be62d
SHA256741d3c050f3ac7bee01f0b36be800ff6760efce72e7b8af73151bb77afa9fad8
SHA512a227c5f570e86a43fb17f524684f979376cf0ae7430ed5e9940f8434d3402cc7f5520f4ae04133dcccc9a9e188136376623499e085531021d54830f13bf48674
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1510f0048a707b59be9a6485a57770b
SHA1b5c0afd8170938703841ed0588e4af50ec628a81
SHA256562028b7ffea8b8bebb8ab0f047fda03baa9c3305e9b40b47aef4fe1d4e353ea
SHA51222cc35d89945dd35c8ced2f52f7e9d04ae11174aa7cf19905a71da5b11f290e30cc544a8891b52f5ab9e94b02d75d7536f4f4960c0b5231b777237bac2bd0b4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d1d601a3edef5b01afb9a36bfeb0f26
SHA1642564d548c3b48b49481179fe9194a31af59d30
SHA256a1de20f10be18ce4ce604f6df4168bcbdc14b1648f27ffc9be0646c9ceba93f3
SHA512146181b8cde94cb8478efd82992b3bd7db579a0f797d3739f57a671a17c31852a064fba72cb116b16caf496231a7e288f2386fc5f39651582e139b7713e75a54
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d67917942b2a15266721ea39ac2e2da
SHA1f9be495ceda034947cc13e02a98c82e80188e186
SHA256fdc4185357763daf6d9cd6dc79279d56f68b7cd3fe3e0a6c3b1246cf02f9baef
SHA51241617ca8033302917802126c565bdb2020590455d110b1d4f9029abfe5fe2dded616099a66c67e2e27a2da70d164f38733d9aa062bfe0c40f5a93150a9d65783
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5917c729b7c83971a0e65320d5ec538e7
SHA12eae133714eb2e09e1d8c1f55829a0c5443be9e4
SHA256119361e35899e693e601f587a7fce1de72012c1cb180d492b1e6337e02e87b33
SHA5128bdf04e826194d9b372df8eb3b6c2f049dcb1d8fbc11674f115fa7e33e352996e647a83dda7305ac84c57115a8d4809ae18bdb36179157f476a8a5f4eeb144df
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Filesize
4.2MB
MD5504d6820d56fb275ba53f9d0b20fc40b
SHA17a4d28d88b2c228e50f516720da9d9a47a2b2f99
SHA25634e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da
SHA512c8d3fb8588595f73e5c534b1cb76b138d2789b50369c2a6b0fe9b18c71414310e218c1efa24d1b7f1b5d9590f3586053549d6158e3c7b58f7bfc36d43f38f9f5
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Filesize
4.2MB
MD5504d6820d56fb275ba53f9d0b20fc40b
SHA17a4d28d88b2c228e50f516720da9d9a47a2b2f99
SHA25634e5cf1ad6d276b008e407ac0d3ecdb0dfc77fe4c7581bfcc803b119bf01f7da
SHA512c8d3fb8588595f73e5c534b1cb76b138d2789b50369c2a6b0fe9b18c71414310e218c1efa24d1b7f1b5d9590f3586053549d6158e3c7b58f7bfc36d43f38f9f5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec