Analysis
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max time kernel
149s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:21
Static task
static1
Behavioral task
behavioral1
Sample
8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe
Resource
win10v2004-20240508-en
General
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Target
8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe
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Size
4.1MB
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MD5
ddc90f716bcd683e89d0f185776b1447
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SHA1
b2a945edd20da3236e99e2fdbf39cf38ac55b0d6
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SHA256
8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc
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SHA512
6c818b4cbef834f90446c52e6bb1bc4b061295d21dbffa25a819009565401e17bf7d22d7c7d8c96bd725daa0021e5da0b8e25f535a24ba393bc1ba26d2cbaecb
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SSDEEP
98304:YafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyj7:Y4KGRhU7CB2KZRm43qRo3hpTj7
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2532-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/2532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2532-74-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/2532-89-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1592-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1232-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3520 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1232 csrss.exe 2664 injector.exe 4520 windefender.exe 460 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0f-204.dat upx behavioral2/memory/4520-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/460-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4520-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/460-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/460-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe File created C:\Windows\rss\csrss.exe 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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 4668 sc.exe -
pid Process 3096 powershell.exe 3044 powershell.exe 1448 powershell.exe 1580 powershell.exe 2384 powershell.exe 2052 powershell.exe 4640 powershell.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 648 schtasks.exe 4828 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,-211 = "Pacific Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe 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,-831 = "SA Eastern Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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" 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 powershell.exe 4640 powershell.exe 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 3096 powershell.exe 3096 powershell.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 3044 powershell.exe 3044 powershell.exe 1448 powershell.exe 1448 powershell.exe 1580 powershell.exe 1580 powershell.exe 2384 powershell.exe 2384 powershell.exe 2052 powershell.exe 2052 powershell.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 1232 csrss.exe 2664 injector.exe 1232 csrss.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 1232 csrss.exe 1232 csrss.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 1232 csrss.exe 1232 csrss.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe 2664 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Token: SeImpersonatePrivilege 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 1448 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeSystemEnvironmentPrivilege 1232 csrss.exe Token: SeSecurityPrivilege 4668 sc.exe Token: SeSecurityPrivilege 4668 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2532 wrote to memory of 4640 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 83 PID 2532 wrote to memory of 4640 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 83 PID 2532 wrote to memory of 4640 2532 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 83 PID 1592 wrote to memory of 3096 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 88 PID 1592 wrote to memory of 3096 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 88 PID 1592 wrote to memory of 3096 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 88 PID 1592 wrote to memory of 2100 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 90 PID 1592 wrote to memory of 2100 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 90 PID 2100 wrote to memory of 3520 2100 cmd.exe 92 PID 2100 wrote to memory of 3520 2100 cmd.exe 92 PID 1592 wrote to memory of 3044 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 93 PID 1592 wrote to memory of 3044 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 93 PID 1592 wrote to memory of 3044 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 93 PID 1592 wrote to memory of 1448 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 95 PID 1592 wrote to memory of 1448 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 95 PID 1592 wrote to memory of 1448 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 95 PID 1592 wrote to memory of 1232 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 97 PID 1592 wrote to memory of 1232 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 97 PID 1592 wrote to memory of 1232 1592 8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe 97 PID 1232 wrote to memory of 1580 1232 csrss.exe 98 PID 1232 wrote to memory of 1580 1232 csrss.exe 98 PID 1232 wrote to memory of 1580 1232 csrss.exe 98 PID 1232 wrote to memory of 2384 1232 csrss.exe 103 PID 1232 wrote to memory of 2384 1232 csrss.exe 103 PID 1232 wrote to memory of 2384 1232 csrss.exe 103 PID 1232 wrote to memory of 2052 1232 csrss.exe 106 PID 1232 wrote to memory of 2052 1232 csrss.exe 106 PID 1232 wrote to memory of 2052 1232 csrss.exe 106 PID 1232 wrote to memory of 2664 1232 csrss.exe 108 PID 1232 wrote to memory of 2664 1232 csrss.exe 108 PID 4520 wrote to memory of 4848 4520 windefender.exe 114 PID 4520 wrote to memory of 4848 4520 windefender.exe 114 PID 4520 wrote to memory of 4848 4520 windefender.exe 114 PID 4848 wrote to memory of 4668 4848 cmd.exe 115 PID 4848 wrote to memory of 4668 4848 cmd.exe 115 PID 4848 wrote to memory of 4668 4848 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe"C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
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C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.exe"C:\Users\Admin\AppData\Local\Temp\8b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc.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:1592 -
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:3096
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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:2100 -
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:3520
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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:3044
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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:1448
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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:1232 -
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:1580
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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:648
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2000
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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:2384
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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:2052
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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:2664
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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:4828
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4520 -
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:4848 -
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:4668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:460
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c21bb910d7781c4248500b570f1fd54
SHA1d98714374a8696242a4bdc3c9469664701ac7e5a
SHA256a233b2bf5b2557296c704f745c9f5b2dae36aed49e55d8c64284dcd3b6bfb232
SHA5124cd2424418e2edfd350e95a18dad4f35284f3184288a43b9ff6667cecf078bb23abbdea4c9502c63ce118d93c30cca26393c7c49dfe42a9029794269796474f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f6b29f77f74ef0c594146b3d5c6a185
SHA10ec8884bb275659dfbeb21f17d7f9f5c99694224
SHA2563be41b5566851f70ac13832f504fd9fe754558d052b84b79a4251794973e44d0
SHA512df2a5c614b8e574fcf95760620412153aadbd81e8a4f30ba395881af1bc1f031b188dd20ec65f9c934380a1b63948f3080588b7d29f743f835dbad6cd0d69dee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5542eaf42fc1e658fc52f887c8615a81b
SHA127c77e5def6ee9722f001ea846438bd864142625
SHA2569ea9d64510f63ffc50f3533cb3631553b925c513f1046d81e2f55106c46631b8
SHA5128950f7a881d75932036bb56abebd60f8e952704304c108cac8b9176794e70847614aa3c27eb3a81b01e5135144f01622d78c6532f9f5c3729dc703ff4f09c8c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7f971400b371a7c73fc59ad3f9eb138
SHA1cd5b9ed07c0940159ce9cc17875f76bf0a4748a9
SHA25607562569348f34a0915b95d2b44d81fe3f0f2d09d991d91a59e924dbb2e7f407
SHA5127ac5c5c4968ada39f421d13841cd69b7f73a7d797ecc5e34cc32b5dc976e892ac3a589cd9513845709fd648d4f982492f2a8b76841e79ee9518ad7bd282760c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5538fe71d52b5566dfdaa103ae841e8a4
SHA1e2db36e1a0d268ea261b852df9f48df8b3a910cc
SHA25642d789d4837cb4a74906fba98ed3bd41f9a6d4994f306d53dd7b710a855ed7b6
SHA5126efee184c3ebbc067bdda0da6d26bb0a5c35091541d22576f7f51ce55cd915429f416b4778e6e83cd39511120298b1abdace34c731749af1ad681842b80426e5
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Filesize
4.1MB
MD5ddc90f716bcd683e89d0f185776b1447
SHA1b2a945edd20da3236e99e2fdbf39cf38ac55b0d6
SHA2568b10c5f5a075c52a5116664ce4238c34af1deae59923dac75d0ca30e7066bedc
SHA5126c818b4cbef834f90446c52e6bb1bc4b061295d21dbffa25a819009565401e17bf7d22d7c7d8c96bd725daa0021e5da0b8e25f535a24ba393bc1ba26d2cbaecb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec