Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 11:19
Static task
static1
Behavioral task
behavioral1
Sample
a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe
Resource
win10v2004-20240508-en
General
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Target
a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe
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Size
4.1MB
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MD5
0eb2c621a6734a140e1d6f56d175cb62
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SHA1
a9dce8479e1ed01f9a4ed6b32108b9b7c4261d7f
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SHA256
a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5
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SHA512
44f62536ae58e21c3c0123ae0a265891196d436579059cf657a7c75cfc9938ff194c1dc2b60d37f9a2261a7c31b4650b35b6f5475545186635c7e2c736ab8138
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SSDEEP
98304:fQRIh4uLuEEVqS5oryfPYtPRvG0pG4X3B9:nK95KswtE0pG4B9
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1504-2-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/1504-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1504-103-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2444-130-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1504-134-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/1504-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1808-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1808-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4832 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1808 csrss.exe 960 injector.exe 964 windefender.exe 3700 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002342a-217.dat upx behavioral1/memory/964-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3700-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/964-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3700-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3700-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.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 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 -
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 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe File created C:\Windows\rss\csrss.exe a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2912 sc.exe -
pid Process 3408 powershell.exe 412 powershell.exe 2012 powershell.exe 2688 powershell.exe 960 powershell.exe 4444 powershell.exe 1320 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 3616 schtasks.exe 3844 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,-681 = "E. Australia Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.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\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula 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" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" 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\@tzres.dll,-1802 = "Line Islands 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.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,-512 = "Central Asia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2012 powershell.exe 2012 powershell.exe 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2688 powershell.exe 2688 powershell.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 960 powershell.exe 960 powershell.exe 4444 powershell.exe 4444 powershell.exe 1320 powershell.exe 1320 powershell.exe 3408 powershell.exe 3408 powershell.exe 412 powershell.exe 412 powershell.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 1808 csrss.exe 1808 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 1808 csrss.exe 1808 csrss.exe 960 injector.exe 960 injector.exe 1808 csrss.exe 1808 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Token: SeImpersonatePrivilege 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 960 powershell.exe Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeSystemEnvironmentPrivilege 1808 csrss.exe Token: SeSecurityPrivilege 2912 sc.exe Token: SeSecurityPrivilege 2912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1504 wrote to memory of 2012 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 85 PID 1504 wrote to memory of 2012 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 85 PID 1504 wrote to memory of 2012 1504 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 85 PID 2444 wrote to memory of 2688 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 96 PID 2444 wrote to memory of 2688 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 96 PID 2444 wrote to memory of 2688 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 96 PID 2444 wrote to memory of 4876 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 102 PID 2444 wrote to memory of 4876 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 102 PID 4876 wrote to memory of 4832 4876 cmd.exe 104 PID 4876 wrote to memory of 4832 4876 cmd.exe 104 PID 2444 wrote to memory of 960 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 105 PID 2444 wrote to memory of 960 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 105 PID 2444 wrote to memory of 960 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 105 PID 2444 wrote to memory of 4444 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 108 PID 2444 wrote to memory of 4444 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 108 PID 2444 wrote to memory of 4444 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 108 PID 2444 wrote to memory of 1808 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 110 PID 2444 wrote to memory of 1808 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 110 PID 2444 wrote to memory of 1808 2444 a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe 110 PID 1808 wrote to memory of 1320 1808 csrss.exe 111 PID 1808 wrote to memory of 1320 1808 csrss.exe 111 PID 1808 wrote to memory of 1320 1808 csrss.exe 111 PID 1808 wrote to memory of 3408 1808 csrss.exe 117 PID 1808 wrote to memory of 3408 1808 csrss.exe 117 PID 1808 wrote to memory of 3408 1808 csrss.exe 117 PID 1808 wrote to memory of 412 1808 csrss.exe 119 PID 1808 wrote to memory of 412 1808 csrss.exe 119 PID 1808 wrote to memory of 412 1808 csrss.exe 119 PID 1808 wrote to memory of 960 1808 csrss.exe 121 PID 1808 wrote to memory of 960 1808 csrss.exe 121 PID 964 wrote to memory of 3548 964 windefender.exe 130 PID 964 wrote to memory of 3548 964 windefender.exe 130 PID 964 wrote to memory of 3548 964 windefender.exe 130 PID 3548 wrote to memory of 2912 3548 cmd.exe 131 PID 3548 wrote to memory of 2912 3548 cmd.exe 131 PID 3548 wrote to memory of 2912 3548 cmd.exe 131 -
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\a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe"C:\Users\Admin\AppData\Local\Temp\a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2012
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C:\Users\Admin\AppData\Local\Temp\a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.exe"C:\Users\Admin\AppData\Local\Temp\a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5.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:2444 -
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:2688
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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:4876 -
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:4832
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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:960
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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:4444
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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:1808 -
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:1320
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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:3616
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4108
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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:3408
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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:412
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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:960
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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:3844
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:964 -
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:3548 -
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:2912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3700
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aad8a27d535da06d5a774fb37afc5261
SHA160009a17d6c4938988541fa4ecae7a7e1a11297d
SHA2560bca3c9db812d435f182130aa699bc027b92677d2d6fda2f36ea7aaffbc873fe
SHA512351b3865bd593a6b5180a537bf1d2cdc39d86aafa657a652a4ad0a2f95415da5de3067325e4d2daf44caa7de71cf10126c22a16441d89969be303f5ee1222392
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8154312160c9bca059a26eb79bbc436
SHA14df99dc47a09592594e6236efa702db1e6058c1c
SHA256e41ef3a6945cca9de31590ade8b2d62fa2c5a5d57c1f10c3815fc5e2e93ccc6a
SHA5121e4db72ac137aaeb5423831ab0c103afd50bb28f544f3f0bebe0ceecbedcf7f50f9427971b1fbf2aaa3750b5ee5e0ee511b508a9012b42d722e73992bb5ac549
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547e8dfee1fa8ddbaee164ce2bd46a82b
SHA1054820c1f9dc2b770adff6d8ff3c996887a2d1c9
SHA25661575576ac2595ac4a5dafddda506377266acdac607db16d3ab22cf3560bd95f
SHA51284449161164744a759048d5c339b21753e73bdf6b9eff36072bd21f74687645105e3ee851f9b04854a1d12258a2c923ede2fef023fed932eb3e76d461f673b3a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6a76aaef4067cb0a750d382e9b88f0a
SHA1a1278a09d0676cf819a858c1e075b08b40a34bd6
SHA2560b00281524d47c8ba8f0b5716150b8685da64d13897ce61feef15333363befe5
SHA512f2b8f76ae4f60e5877a1468c2fc668536ad7fb55e4a3ec3b198bebf71d1c37404aa6b96914330094ed14902d1fbc741ab6f3eb9cd90cc34bb969f46eff124c3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3e882760ca207fe9b05268f1bc0820e
SHA1fc4218ba77a642acf90538b44a8fd69be1e2b8fd
SHA2563373e7dd3bf2a25d2c60c7535249a7567b9b307d7906dd10437a990aa401fc08
SHA5124232de356f8061dcc56c170be3166e4e1b72df170df5065ad7044d9e6bb2dd6d517e3f11d54986419c7961ac4d7daadb00a2541feb98e7ac1a01aaad7d85ccff
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Filesize
4.1MB
MD50eb2c621a6734a140e1d6f56d175cb62
SHA1a9dce8479e1ed01f9a4ed6b32108b9b7c4261d7f
SHA256a4aa5ba5512df4b7fb45096c22d9cfb6410591c1beac9cee1290bc3cf2e1c1f5
SHA51244f62536ae58e21c3c0123ae0a265891196d436579059cf657a7c75cfc9938ff194c1dc2b60d37f9a2261a7c31b4650b35b6f5475545186635c7e2c736ab8138
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec