Analysis
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max time kernel
149s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 15:35
Static task
static1
Behavioral task
behavioral1
Sample
633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe
Resource
win10v2004-20240508-en
General
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Target
633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe
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Size
4.1MB
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MD5
962d8c7ab97116587b4a62b2875a82a2
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SHA1
9a81753d7011bea1832203b4b86734d61f96ccd8
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SHA256
633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038
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SHA512
3079f46d5f07d2046aa459a059bb7dbe2151a4ba0ce25a13a2a0abefc6e0b30180aaa819609a072adbcaedb88909f011042720587b36752643cd99bf6516ab99
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SSDEEP
98304:nQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08F+:Qx32Mq02zAeLCVnWszfVfeCa8CLXv/U
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/988-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/988-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/988-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/988-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/988-55-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/988-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2216-81-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2216-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-152-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-207-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2840-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 820 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2840 csrss.exe 3904 injector.exe 1284 windefender.exe 3572 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5f-210.dat upx behavioral2/memory/1284-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1284-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 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 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe File created C:\Windows\rss\csrss.exe 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.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 1196 sc.exe -
pid Process 4568 powershell.exe 2500 powershell.exe 1312 powershell.exe 3104 powershell.exe 1668 powershell.exe 828 powershell.exe 4800 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1328 988 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3936 schtasks.exe 3788 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3104 powershell.exe 3104 powershell.exe 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 1668 powershell.exe 1668 powershell.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 828 powershell.exe 828 powershell.exe 4800 powershell.exe 4800 powershell.exe 4568 powershell.exe 4568 powershell.exe 2500 powershell.exe 2500 powershell.exe 1312 powershell.exe 1312 powershell.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 2840 csrss.exe 2840 csrss.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 2840 csrss.exe 2840 csrss.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 2840 csrss.exe 2840 csrss.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe 3904 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Token: SeImpersonatePrivilege 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 828 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 1312 powershell.exe Token: SeSystemEnvironmentPrivilege 2840 csrss.exe Token: SeSecurityPrivilege 1196 sc.exe Token: SeSecurityPrivilege 1196 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 988 wrote to memory of 3104 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 82 PID 988 wrote to memory of 3104 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 82 PID 988 wrote to memory of 3104 988 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 82 PID 2216 wrote to memory of 1668 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 90 PID 2216 wrote to memory of 1668 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 90 PID 2216 wrote to memory of 1668 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 90 PID 2216 wrote to memory of 4872 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 92 PID 2216 wrote to memory of 4872 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 92 PID 4872 wrote to memory of 820 4872 cmd.exe 94 PID 4872 wrote to memory of 820 4872 cmd.exe 94 PID 2216 wrote to memory of 828 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 95 PID 2216 wrote to memory of 828 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 95 PID 2216 wrote to memory of 828 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 95 PID 2216 wrote to memory of 4800 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 97 PID 2216 wrote to memory of 4800 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 97 PID 2216 wrote to memory of 4800 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 97 PID 2216 wrote to memory of 2840 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 99 PID 2216 wrote to memory of 2840 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 99 PID 2216 wrote to memory of 2840 2216 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 99 PID 2840 wrote to memory of 4568 2840 csrss.exe 100 PID 2840 wrote to memory of 4568 2840 csrss.exe 100 PID 2840 wrote to memory of 4568 2840 csrss.exe 100 PID 2840 wrote to memory of 2500 2840 csrss.exe 105 PID 2840 wrote to memory of 2500 2840 csrss.exe 105 PID 2840 wrote to memory of 2500 2840 csrss.exe 105 PID 2840 wrote to memory of 1312 2840 csrss.exe 108 PID 2840 wrote to memory of 1312 2840 csrss.exe 108 PID 2840 wrote to memory of 1312 2840 csrss.exe 108 PID 2840 wrote to memory of 3904 2840 csrss.exe 110 PID 2840 wrote to memory of 3904 2840 csrss.exe 110 PID 1284 wrote to memory of 2140 1284 windefender.exe 116 PID 1284 wrote to memory of 2140 1284 windefender.exe 116 PID 1284 wrote to memory of 2140 1284 windefender.exe 116 PID 2140 wrote to memory of 1196 2140 cmd.exe 117 PID 2140 wrote to memory of 1196 2140 cmd.exe 117 PID 2140 wrote to memory of 1196 2140 cmd.exe 117 -
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\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe"C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104
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C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe"C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.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:2216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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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:4872 -
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:820
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:828
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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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:2840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568
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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:3788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2164
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1312
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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:3904
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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:3936
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1284 -
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:2140 -
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:1196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 6602⤵
- Program crash
PID:1328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 988 -ip 9881⤵PID:3380
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3572
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e17d6f3c1e49f0e301cd3fffc29496fa
SHA1e468e50bee45f115f8cfc17bfe64bfca97347feb
SHA256e91e99ee2835c7f26063489ba34125b83a664be53f27bd1e623e0f8894b6610d
SHA512a9c3c9f9cf09a31365ec8a62dfc89719fd73829d29900e2ef20c7ca7e5530c5f980823b2906332c6f10d0ace0d65d516ba1416c0615755a2cfa62c9bc654ed08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e0f2d87f795de020be534b80e8e24fb5
SHA1e6aa01f8849ee78e5c3dd1266f47ad6237206743
SHA256db1661b73a56b27a8cabf26e28b028f9d24afc92c5732150c983433fa9233544
SHA512a1d6dc49c3d162ae9355d64946adf4e48ec759bf0df3d225c6832fceec3ee40518a50bf252271f5fbea884ed64b6f04cb929a128ee8f3b17dfb82569d791c903
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c7376cc11d2bdcb8d38ac1407f5cedb
SHA1f26396db9c37dbfc06539189aa07227d10fcafdc
SHA256cd4b6ac741b553eb559f1bf7cfa844a78a30c377617aa32bd980768d074059fc
SHA512a23fad0b2492728e543a5e4944c8e484bd8729d78c09aacf985377ec087ad864f6f41022d6d620b3f711a883da2c9a56e536bf96a36906d9d98970789228653c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51de9c416c2ee5da0da5add7c7e5364d9
SHA1b490ddb5be58a4425b088311cf8b7faa7b4b34de
SHA25641320694de18fea13d40c790c071c1f3f3c2fa55c2568c118b8a79e32a47d463
SHA512eee4673ba6866db81ec2c10d7dec8d8290714c3ae24b0e0147e2ce23ba649a5bff70e0a72e589bf0830a4d4aba466e46f0602397d8a6db1eb8590b94ef67c7a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa3ad0ca0a24c1bfafc379ae194c9bb3
SHA13293dfaa6a280c9f03500f875219ea70670be4e8
SHA25664f3360f9168361ab0806f19e9f4756f31ccb6fcc95608c1f6a447c9f7574e79
SHA51237e4e58b6c2746e086a7ad515307b60fd0733dfa55b621fa502437695414132e397e255aa75b9bcb887201dbd509a68e9d2b0cb3ac2627a3cf7e54b90b0f2967
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Filesize
4.1MB
MD5962d8c7ab97116587b4a62b2875a82a2
SHA19a81753d7011bea1832203b4b86734d61f96ccd8
SHA256633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038
SHA5123079f46d5f07d2046aa459a059bb7dbe2151a4ba0ce25a13a2a0abefc6e0b30180aaa819609a072adbcaedb88909f011042720587b36752643cd99bf6516ab99
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec