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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe
Resource
win10v2004-20240426-en
General
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Target
6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe
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Size
4.2MB
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MD5
dbf361b80e8fa40154f0e862d5c36ad3
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SHA1
1abca599c08f2d538cde06ac25f24d3201cffdd9
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SHA256
6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520
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SHA512
58c8880a7eb07e8ef7da824db394c7f09c8c08c86cba08431cb8083c67c0452f1f975d2435e9f521870a5257916dea6a9fe39a3bccfa69eb04cd2639629c57e0
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SSDEEP
98304:DmEjzi/3O52sDSn2sBMneAY2gSm6lbP8XYs3iaeok9nL9:aEjzK3O2Es2eA2Alb4Rybxh
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2136-2-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral2/memory/2136-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2136-41-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2136-61-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral2/memory/2136-59-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2136-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4840-97-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4840-127-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-202-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-214-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-218-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-222-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-226-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-230-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-234-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-238-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-242-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4688-246-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4688 csrss.exe 2748 injector.exe 2372 windefender.exe 1704 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab8d-206.dat upx behavioral2/memory/2372-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2372-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1704-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1856190483-1022094809-400023910-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\S-1-5-21-1856190483-1022094809-400023910-1000\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 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe File created C:\Windows\rss\csrss.exe 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.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 3908 sc.exe -
pid Process 4560 powershell.exe 3368 powershell.exe 4876 powershell.exe 3020 powershell.exe 2960 powershell.exe 3148 powershell.exe 832 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 3340 schtasks.exe 1436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 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,-434 = "Georgian Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.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,-382 = "South Africa 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3148 powershell.exe 3148 powershell.exe 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 832 powershell.exe 832 powershell.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 4560 powershell.exe 4560 powershell.exe 3368 powershell.exe 3368 powershell.exe 4876 powershell.exe 4876 powershell.exe 3020 powershell.exe 3020 powershell.exe 2960 powershell.exe 2960 powershell.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 4688 csrss.exe 4688 csrss.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 4688 csrss.exe 4688 csrss.exe 2748 injector.exe 2748 injector.exe 4688 csrss.exe 4688 csrss.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe 2748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Token: SeImpersonatePrivilege 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 4560 powershell.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeSystemEnvironmentPrivilege 4688 csrss.exe Token: SeSecurityPrivilege 3908 sc.exe Token: SeSecurityPrivilege 3908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2136 wrote to memory of 3148 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 82 PID 2136 wrote to memory of 3148 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 82 PID 2136 wrote to memory of 3148 2136 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 82 PID 4840 wrote to memory of 832 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 87 PID 4840 wrote to memory of 832 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 87 PID 4840 wrote to memory of 832 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 87 PID 4840 wrote to memory of 4496 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 89 PID 4840 wrote to memory of 4496 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 89 PID 4496 wrote to memory of 1000 4496 cmd.exe 91 PID 4496 wrote to memory of 1000 4496 cmd.exe 91 PID 4840 wrote to memory of 4560 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 92 PID 4840 wrote to memory of 4560 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 92 PID 4840 wrote to memory of 4560 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 92 PID 4840 wrote to memory of 3368 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 94 PID 4840 wrote to memory of 3368 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 94 PID 4840 wrote to memory of 3368 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 94 PID 4840 wrote to memory of 4688 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 96 PID 4840 wrote to memory of 4688 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 96 PID 4840 wrote to memory of 4688 4840 6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe 96 PID 4688 wrote to memory of 4876 4688 csrss.exe 97 PID 4688 wrote to memory of 4876 4688 csrss.exe 97 PID 4688 wrote to memory of 4876 4688 csrss.exe 97 PID 4688 wrote to memory of 3020 4688 csrss.exe 103 PID 4688 wrote to memory of 3020 4688 csrss.exe 103 PID 4688 wrote to memory of 3020 4688 csrss.exe 103 PID 4688 wrote to memory of 2960 4688 csrss.exe 105 PID 4688 wrote to memory of 2960 4688 csrss.exe 105 PID 4688 wrote to memory of 2960 4688 csrss.exe 105 PID 4688 wrote to memory of 2748 4688 csrss.exe 107 PID 4688 wrote to memory of 2748 4688 csrss.exe 107 PID 2372 wrote to memory of 4152 2372 windefender.exe 113 PID 2372 wrote to memory of 4152 2372 windefender.exe 113 PID 2372 wrote to memory of 4152 2372 windefender.exe 113 PID 4152 wrote to memory of 3908 4152 cmd.exe 114 PID 4152 wrote to memory of 3908 4152 cmd.exe 114 PID 4152 wrote to memory of 3908 4152 cmd.exe 114 -
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\6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe"C:\Users\Admin\AppData\Local\Temp\6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148
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C:\Users\Admin\AppData\Local\Temp\6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.exe"C:\Users\Admin\AppData\Local\Temp\6ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520.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:4840 -
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:832
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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:4496 -
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:1000
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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:4560
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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:3368
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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:4688 -
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:4876
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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:3340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2156
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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:3020
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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:2960
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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:2748
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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:1436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2372 -
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:4152 -
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:3908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1704
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
MD5ad0aefb8487b00442d15ae7af9ec3851
SHA1e7fb7dc5978cb431711cb3fd07d5309e778675e7
SHA2567b1a12fa930931d02c3923c1eaa14644b7b73bfc11d4ecbda431fa510e3ad6b5
SHA512a999f0304cfd66f27063fda9d8fa89825e5a0802696a5ba1473160865f96fe25806d0863ee36920036546e30d6583b31b8a60b4cca190cc352abda269dc8c528
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5f2af71269d2784f11d93d3d174722d
SHA1e916fb8e4eceabc41a0e6bdf410045f41ab0241a
SHA256745946cd10ef71e39085e01ba77d3c2473dfe13c64146426544ee5caa8fab9ea
SHA5123891af54d679528528f6c59a5e5313563bb56f4e07c302d03b0603ad5927c2c76933e96990cb3933cf3e1ddd8e19d2dff51e3bd89f3d874bfb28ecbfca133f13
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8ba7bcbd312db1c6b24f640687912b2
SHA1df852992f6be385a7d3fd6706e5ad8ad802b5250
SHA2568fe451aa3526dfa1ce476b531ae9f64cb1bb4de3d6d916c69cce5acfd7d9d2cc
SHA51299758487b46341613afb1d0d9eda5e9cfa0a228e2bd551650aa452477c18f7324f82a4cf6043c1141006c11afd0368b0b8653c0cfe2f7cfcdb63b6e18a68f6ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592f861ddae685656f252cd11e6280ed0
SHA139c80fa6373918b9759ced924515d2ba7f9f9cbf
SHA256bd0ee0e04c8cc584c4673433589ea9217bea45103fc0eb09f6b57d53a6180d55
SHA5123786ec937942d4ad63f0ded7d3c05f600bcc13e88d1832a6c4625f5cf1e67ab41635c49a72529729e27e9480ca139c993ae9fdce4aa6814fb7b76ccf8ea1c1f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561fdafab381d505de90fe607cc31bd09
SHA19d999137b79b570e1abde7adf31b2fdd487d4043
SHA25623734bae58500d980ce0b5c411053fd67acdc6e48576758c6722bf922206740a
SHA512472214613c3698b8b92cb39f407545e193e7057a0f04d325e378676896d67e4aee6c297fcf3266f74f093b4ac83afc0f51c64a81e983983407f4e8d2b65dce37
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Filesize
4.2MB
MD5dbf361b80e8fa40154f0e862d5c36ad3
SHA11abca599c08f2d538cde06ac25f24d3201cffdd9
SHA2566ed4429d9cfd0d72f4b9573b6e7272e4ab8860d02f8a67ac58b65664a2800520
SHA51258c8880a7eb07e8ef7da824db394c7f09c8c08c86cba08431cb8083c67c0452f1f975d2435e9f521870a5257916dea6a9fe39a3bccfa69eb04cd2639629c57e0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec