Analysis
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max time kernel
149s -
max time network
157s -
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 12:29
Static task
static1
Behavioral task
behavioral1
Sample
73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe
Resource
win10v2004-20240508-en
General
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Target
73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe
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Size
4.1MB
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MD5
6cc892b59bb7bec417f1e3fc8fb453b4
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SHA1
0deb0a97c55a36ba4c76afac0385034e099bb565
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SHA256
73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4
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SHA512
64daf6c9c87e2923c3d392cef17987baa2398698f9615dc5d623e5745f9ff5d6f1703139e73640930ee243538266e802ca9f324f660a021b3e31ebfd7f4e8fd4
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SSDEEP
98304:cd7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErW:+RMSLQaVNfPUP9FaqUIATxXaCdFFREnb
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/5004-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/5004-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-12-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5004-54-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/5004-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5004-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3200-57-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3200-124-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3200-130-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-200-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-207-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2324-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 644 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2324 csrss.exe 3504 injector.exe 4620 windefender.exe 2132 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa03-210.dat upx behavioral2/memory/4620-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4620-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe File created C:\Windows\rss\csrss.exe 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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 3108 sc.exe -
pid Process 4880 powershell.exe 736 powershell.exe 1124 powershell.exe 4472 powershell.exe 3328 powershell.exe 3280 powershell.exe 4760 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 3604 schtasks.exe 852 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,-622 = "Korea Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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,-1802 = "Line Islands 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)" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.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,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4472 powershell.exe 4472 powershell.exe 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3328 powershell.exe 3328 powershell.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 3280 powershell.exe 3280 powershell.exe 4760 powershell.exe 4760 powershell.exe 4880 powershell.exe 4880 powershell.exe 736 powershell.exe 736 powershell.exe 1124 powershell.exe 1124 powershell.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 2324 csrss.exe 2324 csrss.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 2324 csrss.exe 2324 csrss.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 2324 csrss.exe 2324 csrss.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Token: SeImpersonatePrivilege 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe Token: SeDebugPrivilege 3328 powershell.exe Token: SeDebugPrivilege 3280 powershell.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 736 powershell.exe Token: SeDebugPrivilege 1124 powershell.exe Token: SeSystemEnvironmentPrivilege 2324 csrss.exe Token: SeSecurityPrivilege 3108 sc.exe Token: SeSecurityPrivilege 3108 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5004 wrote to memory of 4472 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 82 PID 5004 wrote to memory of 4472 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 82 PID 5004 wrote to memory of 4472 5004 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 82 PID 3200 wrote to memory of 3328 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 87 PID 3200 wrote to memory of 3328 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 87 PID 3200 wrote to memory of 3328 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 87 PID 3200 wrote to memory of 2260 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 89 PID 3200 wrote to memory of 2260 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 89 PID 2260 wrote to memory of 644 2260 cmd.exe 91 PID 2260 wrote to memory of 644 2260 cmd.exe 91 PID 3200 wrote to memory of 3280 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 92 PID 3200 wrote to memory of 3280 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 92 PID 3200 wrote to memory of 3280 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 92 PID 3200 wrote to memory of 4760 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 94 PID 3200 wrote to memory of 4760 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 94 PID 3200 wrote to memory of 4760 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 94 PID 3200 wrote to memory of 2324 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 96 PID 3200 wrote to memory of 2324 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 96 PID 3200 wrote to memory of 2324 3200 73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe 96 PID 2324 wrote to memory of 4880 2324 csrss.exe 97 PID 2324 wrote to memory of 4880 2324 csrss.exe 97 PID 2324 wrote to memory of 4880 2324 csrss.exe 97 PID 2324 wrote to memory of 736 2324 csrss.exe 103 PID 2324 wrote to memory of 736 2324 csrss.exe 103 PID 2324 wrote to memory of 736 2324 csrss.exe 103 PID 2324 wrote to memory of 1124 2324 csrss.exe 105 PID 2324 wrote to memory of 1124 2324 csrss.exe 105 PID 2324 wrote to memory of 1124 2324 csrss.exe 105 PID 2324 wrote to memory of 3504 2324 csrss.exe 107 PID 2324 wrote to memory of 3504 2324 csrss.exe 107 PID 4620 wrote to memory of 1548 4620 windefender.exe 113 PID 4620 wrote to memory of 1548 4620 windefender.exe 113 PID 4620 wrote to memory of 1548 4620 windefender.exe 113 PID 1548 wrote to memory of 3108 1548 cmd.exe 114 PID 1548 wrote to memory of 3108 1548 cmd.exe 114 PID 1548 wrote to memory of 3108 1548 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\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe"C:\Users\Admin\AppData\Local\Temp\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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C:\Users\Admin\AppData\Local\Temp\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.exe"C:\Users\Admin\AppData\Local\Temp\73d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4.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:3200 -
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:3328
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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:2260 -
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:644
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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:3280
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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:4760
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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:2324 -
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:4880
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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:3604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2328
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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:736
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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:1124
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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:3504
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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:852
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4620 -
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:1548 -
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:3108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2132
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
MD502305d9b445d23500c89ad0b0618020e
SHA11139cd0dad238976d4442a8d1a4ef3eb015693b9
SHA256e3909ec7161af377d88af6e403bf94e8d24593e1c9bd2205775ba68a9f340082
SHA512956cc38fac06083ea7b1ba7725461e0cbeea9159cd39055bbe7fdadb5009697cc26e248f8c1fc458f8213a736899da33147e2f57a347e77fdd7d88d149fd2489
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5adc48daa6d4b6f376da2e2b76aed1d70
SHA1746c6e51c971abc51e1be32d1ca8febf44cdeb26
SHA256047da381182d7f9ad2866514701533b609ef1bad1fe57df606d42d7d1736548e
SHA512507048bc57f50ff11ddb0cebe843c471ff4e919c0788100967b456247e52ffbe33fb674fe20c1e87b0efa34a5e03cbdd8a266e19853daca3860d05ac2f27296b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a3283bbd9ffd3db105d56b018d9fc91
SHA1afea27f2652d89c856dc078493a9ee6efe01b6f4
SHA256e9f6ae511f0d72c1e0b255219658bafadaee5b9907d53f2559f1fba2ea3feb04
SHA51277423271cffe910b2dc9ddaba0e66ac8a4b3524ab3eadedbb0e721068a79c00a39a720e93e16896fd8d287f8850d1d16c03d29353d63d9bc8a7980dfc51f190c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c42bde38394772e52141b548329934d1
SHA1aea070a21148775faf2c942febbf7ebd995e3df8
SHA256c17db66490fa9ef021e43e0c173fabb6a2c5a0a389cfad3b4206589fe1f8a40a
SHA5121ffc6fced27881f45eaac33bcf5f70b1104b4e49f4ddbc11129670888019316b9f73cb1dac6356675e4d27f03ff88cfab0b50210260c12071dc30de1b9940ae5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52607b6eaa04d6c92df5c579a0eb74c63
SHA111b36e30a08c165120de799f1a9193c6ddef758f
SHA2563f74bbe57f72273a97c17d1a0ad6017c29eb93aa251bbda03276e7cecdc932c8
SHA512e135eba22ebc8aba987cdf1b04515171242e6a01c100fe2c25620097eec951921d20cde7c7dccc8c604bee8a70ac2899f968e0567559963e28e79f94fd70779e
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Filesize
4.1MB
MD56cc892b59bb7bec417f1e3fc8fb453b4
SHA10deb0a97c55a36ba4c76afac0385034e099bb565
SHA25673d48d46fb4cb2a0e93ab8ae49681e03e0e70dae7671cb4e9e462aae0f7576b4
SHA51264daf6c9c87e2923c3d392cef17987baa2398698f9615dc5d623e5745f9ff5d6f1703139e73640930ee243538266e802ca9f324f660a021b3e31ebfd7f4e8fd4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec