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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/04/2024, 04:48
Static task
static1
Behavioral task
behavioral1
Sample
3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe
Resource
win10v2004-20240226-en
General
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Target
3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe
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Size
4.2MB
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MD5
54f0c9fbff3cf8569a3b2a413397e618
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SHA1
acbaee9da9cfbc2b02d7babce4a3aa85856c897d
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SHA256
3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1
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SHA512
008d26cc8266861b190b058f0fee68c3b144a7fd7a6b4fde58c1de872621fd936e7cd77378a5b00b32e46ead6c17b085a2064144675760bd219cca3c61323bfd
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SSDEEP
98304:GECH+3DSWnI1KGGLxQ5XsnDnmKFULzGt/AOX9k/3NCXH+HNQDf1LiqQ:GtH+32WnIs1Fg8DnrtoOX9+mBzQ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4092-2-0x0000000003060000-0x000000000394B000-memory.dmp family_glupteba behavioral2/memory/4092-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4092-43-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4092-45-0x0000000003060000-0x000000000394B000-memory.dmp family_glupteba behavioral2/memory/4544-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-123-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4544-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-278-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5004-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1820 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5004 csrss.exe 2084 injector.exe 3460 windefender.exe 4476 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a80a-245.dat upx behavioral2/memory/3460-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4476-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4476-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 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 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4420 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4960 4908 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3268 schtasks.exe 4064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4908 powershell.exe 4908 powershell.exe 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 3308 powershell.exe 3308 powershell.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 5048 powershell.exe 5048 powershell.exe 2200 powershell.exe 2200 powershell.exe 800 powershell.exe 800 powershell.exe 2208 powershell.exe 2208 powershell.exe 1388 powershell.exe 1388 powershell.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 5004 csrss.exe 5004 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 5004 csrss.exe 5004 csrss.exe 5004 csrss.exe 5004 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Token: SeImpersonatePrivilege 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 2200 powershell.exe Token: SeDebugPrivilege 800 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeSystemEnvironmentPrivilege 5004 csrss.exe Token: SeSecurityPrivilege 4420 sc.exe Token: SeSecurityPrivilege 4420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4092 wrote to memory of 4908 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 78 PID 4092 wrote to memory of 4908 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 78 PID 4092 wrote to memory of 4908 4092 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 78 PID 4544 wrote to memory of 3308 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 86 PID 4544 wrote to memory of 3308 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 86 PID 4544 wrote to memory of 3308 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 86 PID 4544 wrote to memory of 1188 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 88 PID 4544 wrote to memory of 1188 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 88 PID 1188 wrote to memory of 1820 1188 cmd.exe 90 PID 1188 wrote to memory of 1820 1188 cmd.exe 90 PID 4544 wrote to memory of 5048 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 91 PID 4544 wrote to memory of 5048 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 91 PID 4544 wrote to memory of 5048 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 91 PID 4544 wrote to memory of 2200 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 93 PID 4544 wrote to memory of 2200 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 93 PID 4544 wrote to memory of 2200 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 93 PID 4544 wrote to memory of 5004 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 95 PID 4544 wrote to memory of 5004 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 95 PID 4544 wrote to memory of 5004 4544 3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe 95 PID 5004 wrote to memory of 800 5004 csrss.exe 96 PID 5004 wrote to memory of 800 5004 csrss.exe 96 PID 5004 wrote to memory of 800 5004 csrss.exe 96 PID 5004 wrote to memory of 2208 5004 csrss.exe 101 PID 5004 wrote to memory of 2208 5004 csrss.exe 101 PID 5004 wrote to memory of 2208 5004 csrss.exe 101 PID 5004 wrote to memory of 1388 5004 csrss.exe 104 PID 5004 wrote to memory of 1388 5004 csrss.exe 104 PID 5004 wrote to memory of 1388 5004 csrss.exe 104 PID 5004 wrote to memory of 2084 5004 csrss.exe 106 PID 5004 wrote to memory of 2084 5004 csrss.exe 106 PID 3460 wrote to memory of 672 3460 windefender.exe 112 PID 3460 wrote to memory of 672 3460 windefender.exe 112 PID 3460 wrote to memory of 672 3460 windefender.exe 112 PID 672 wrote to memory of 4420 672 cmd.exe 113 PID 672 wrote to memory of 4420 672 cmd.exe 113 PID 672 wrote to memory of 4420 672 cmd.exe 113 -
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\3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe"C:\Users\Admin\AppData\Local\Temp\3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 24763⤵
- Program crash
PID:4960
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C:\Users\Admin\AppData\Local\Temp\3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.exe"C:\Users\Admin\AppData\Local\Temp\3dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1.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:4544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3308
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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:1188 -
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:1820
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5048
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2200
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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:5004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:800
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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:3268
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2212
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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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:2084
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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:4064
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3460 -
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:672 -
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:4420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4908 -ip 49081⤵PID:2564
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4476
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
MD5e8bca0c9cc15eca5b2edfbff7b819449
SHA1126cf12eed91f443e921dc8c8be7b917181e9ce4
SHA256d2bf40a11e8dda22b6d028402ffd19644bde8083b0307e1d57f82b40af516bad
SHA512cfc6c878cd7384aa3f01c62560d4af5c6ff7965f7806c280b9b151ea701c59d56c6cfda75dac71f53a44070c70991040ae531f9a296b828500b6b83caa699c01
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5468cc77e76ce7ce2fc91c4489ccedf6c
SHA132fbbd75a29f9b42910d51d77a035ccce618f041
SHA2569f65f624e8cda1887bcbe37f1a150f41cb6a9a5298aee1a7f17aed1a599bbd4c
SHA51241fea2d2823a84043ab63d4f1c2063832e4214a8e204950919edc067e77ab2e84ef135d71b79d2210686ceca5de30ff6d9c22dd13818e5604034178a79b76ff9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c818f4c228870cf1a84d485eff92f287
SHA1ecf52aa494c650594dabde72738b58bb3dece416
SHA256ecb95988cf25c71e4840a28217655afe738cf82bf18a453a8c4e8643c1acd472
SHA5128677b404295912347b0ab16d77ca9c1874a261c0d3d503137651ff8f3e75541230a9d1508f4a36e2501e87493c871fe542d29b3e406fc2fcc754e9e105cf9755
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5755fb389d4e90095f58377d572ca4ad2
SHA16074c12b5331dfd7b08af7c201ee451b62923f84
SHA256a27cfa46dbb995b427aeda9c25978a0141c33129969c2bf6ef9df13d0e650ced
SHA512003e81e1f37fe7045c655aa9a9a07dc25d73852543b1acdc8e7195736b6992040156707b45f60e9cb9efb13dd84fdd8e631317d6b18407cb4acdda0eb55d7cdb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591fa1a57646bc7ec23e8b2581d831b64
SHA182fb4d2f42569d324b39241b6c0e637036f848a1
SHA256e6b207e1991eb43015abebe4582585c11bfb3ce975de1a281ebbd3a532ec32f9
SHA5127cbb70df911c8e55c6fb220b43a2b943963e5ae80b2271ecb846d20d9bc875de2f4d1470ac72ae116f0fcf4298d86341ff7bf2303f4dc803e06269d5e35b2cf7
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Filesize
4.2MB
MD554f0c9fbff3cf8569a3b2a413397e618
SHA1acbaee9da9cfbc2b02d7babce4a3aa85856c897d
SHA2563dd6be1b128a4863270df7887a2a438f221d5c12f1fba6039517d6d33a3f33d1
SHA512008d26cc8266861b190b058f0fee68c3b144a7fd7a6b4fde58c1de872621fd936e7cd77378a5b00b32e46ead6c17b085a2064144675760bd219cca3c61323bfd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec