Analysis
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max time kernel
150s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 20:08
Static task
static1
Behavioral task
behavioral1
Sample
f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe
Resource
win10v2004-20240412-en
General
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Target
f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe
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Size
4.2MB
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MD5
ee571257341abf82686a8c22c78d6e72
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SHA1
2983a0ca425e85ddc7a17d1dbc2b2a50151789ba
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SHA256
f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb
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SHA512
1932d595d11002329c7e2ed1ecbfe36eaf17e1f648dc63bd447a2130779938522b86208fbe769b7af712428b73a10441d428b12d15cc217e93b46ba5a13bdbe3
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SSDEEP
98304:p00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGC:rpJcNpX++PyaASVpB6k7
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3860-2-0x00000000041A0000-0x0000000004A8B000-memory.dmp family_glupteba behavioral2/memory/3860-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3860-43-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3860-45-0x00000000041A0000-0x0000000004A8B000-memory.dmp family_glupteba behavioral2/memory/5080-46-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5080-124-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5080-142-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-240-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-248-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-249-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5000-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1864 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5000 csrss.exe 3460 injector.exe 2096 windefender.exe 4436 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9b7-243.dat upx behavioral2/memory/2096-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4436-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4436-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4436-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.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 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2632 sc.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 3556 1832 WerFault.exe 81 2112 3860 WerFault.exe 78 2132 5080 WerFault.exe 89 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5076 schtasks.exe 3960 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.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\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1832 powershell.exe 1832 powershell.exe 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 864 powershell.exe 864 powershell.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 2532 powershell.exe 2532 powershell.exe 4760 powershell.exe 4760 powershell.exe 3308 powershell.exe 3308 powershell.exe 4780 powershell.exe 4780 powershell.exe 2828 powershell.exe 2828 powershell.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 5000 csrss.exe 5000 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 5000 csrss.exe 5000 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 5000 csrss.exe 5000 csrss.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe 3460 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Token: SeImpersonatePrivilege 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 2532 powershell.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 4780 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeSystemEnvironmentPrivilege 5000 csrss.exe Token: SeSecurityPrivilege 2632 sc.exe Token: SeSecurityPrivilege 2632 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3860 wrote to memory of 1832 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 81 PID 3860 wrote to memory of 1832 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 81 PID 3860 wrote to memory of 1832 3860 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 81 PID 5080 wrote to memory of 864 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 92 PID 5080 wrote to memory of 864 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 92 PID 5080 wrote to memory of 864 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 92 PID 5080 wrote to memory of 3560 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 94 PID 5080 wrote to memory of 3560 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 94 PID 3560 wrote to memory of 1864 3560 cmd.exe 96 PID 3560 wrote to memory of 1864 3560 cmd.exe 96 PID 5080 wrote to memory of 2532 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 97 PID 5080 wrote to memory of 2532 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 97 PID 5080 wrote to memory of 2532 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 97 PID 5080 wrote to memory of 4760 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 99 PID 5080 wrote to memory of 4760 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 99 PID 5080 wrote to memory of 4760 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 99 PID 5080 wrote to memory of 5000 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 101 PID 5080 wrote to memory of 5000 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 101 PID 5080 wrote to memory of 5000 5080 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 101 PID 5000 wrote to memory of 3308 5000 csrss.exe 104 PID 5000 wrote to memory of 3308 5000 csrss.exe 104 PID 5000 wrote to memory of 3308 5000 csrss.exe 104 PID 5000 wrote to memory of 4780 5000 csrss.exe 109 PID 5000 wrote to memory of 4780 5000 csrss.exe 109 PID 5000 wrote to memory of 4780 5000 csrss.exe 109 PID 5000 wrote to memory of 2828 5000 csrss.exe 112 PID 5000 wrote to memory of 2828 5000 csrss.exe 112 PID 5000 wrote to memory of 2828 5000 csrss.exe 112 PID 5000 wrote to memory of 3460 5000 csrss.exe 114 PID 5000 wrote to memory of 3460 5000 csrss.exe 114 PID 2096 wrote to memory of 2532 2096 windefender.exe 120 PID 2096 wrote to memory of 2532 2096 windefender.exe 120 PID 2096 wrote to memory of 2532 2096 windefender.exe 120 PID 2532 wrote to memory of 2632 2532 cmd.exe 121 PID 2532 wrote to memory of 2632 2532 cmd.exe 121 PID 2532 wrote to memory of 2632 2532 cmd.exe 121 -
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\f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe"C:\Users\Admin\AppData\Local\Temp\f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 21763⤵
- Program crash
PID:3556
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C:\Users\Admin\AppData\Local\Temp\f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe"C:\Users\Admin\AppData\Local\Temp\f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.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:5080 -
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:864
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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:3560 -
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:1864
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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:2532
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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: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:5000 -
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:3308
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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:5076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:972
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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:4780
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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:2828
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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:3460
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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:3960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2096 -
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:2532 -
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:2632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 8443⤵
- Program crash
PID:2132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 9402⤵
- Program crash
PID:2112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1832 -ip 18321⤵PID:3516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3860 -ip 38601⤵PID:4000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 5080 -ip 50801⤵PID:1384
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4436
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
MD5bf45249f1e8b586d782a098259d33f6e
SHA1fca7314eea57fffb7bd7fd57f5f7b9471318223b
SHA25682dc7e28decf823e7c6b566f07bc5d03ac9c6d87f32643bfa39e6df452d5160b
SHA512438a7fa4d5fd3be1fe4cc5c5b786413c82a02d0309007f8f62a095ab1821ff714bcf9d2341a3a90ebe68d96bf9f48965268f1a0aa5ba2cdd55e2f07a58df153e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5746592d0fd90af226430426d9e825c6c
SHA1e2d2598ab3764378bca8b9f36a494d39b030fa05
SHA256c9965533d074bead388f9e6dc980531dc502fe67f708b21365b6c3af8c1667ca
SHA512b912300d18e2b95c9b511f380e7c92584d68db55871a222d7040486825ee5322561ea470ff9610ed23af7c6576f4964f84044c1c0808e92a6ebcae0e767fb943
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1020d14e69dba42c671e6eef65c2e15
SHA18121b557977583828a7b52671a1b5b068ba9b948
SHA256b8d48eba0bda5e962aec800849ab218e1d2ec26a2c722884c0df995094e77342
SHA512a67745c061fc46271ad85f2c60b67f0b9fa783e555d9292a1cd73813e824d2ddb85879a884de5f6054e663018294864391c435aad2f6929342cd4a3ad392e185
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572f4c515419ab1976ce084cf608973c7
SHA11564c3cdcb71785bb878071f2da7a952e33812c6
SHA256d4c054f7e75e75affa344748e9b0e18e49856e594891f923af0e50ab33468a8e
SHA5129f70d7e8bd8ebafa82e9e7b375bd01b8f5ed360da2e2b7aad77cf9cbfa51885ee11c26741c74929460d705f786aee3d08cd3e39970a25b94c8e349bb1a9868fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b30ad77b9f0f443e462b5d4f88b6d858
SHA152f7287f1bf1f523ce03f324b6c062c164a12e5b
SHA256889e7bb7cb318096ff3798b9b8e6c3b1ed3186a9d779adceee015c7f66781eb4
SHA512060f33b26bafb2b834e270806560da171ccaddfb03589e6970bc163c7315c7b563f65865ee8c45948cfcafb5269deccd57d0a0858c4ff961bd41fc2740af0663
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Filesize
4.2MB
MD5ee571257341abf82686a8c22c78d6e72
SHA12983a0ca425e85ddc7a17d1dbc2b2a50151789ba
SHA256f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb
SHA5121932d595d11002329c7e2ed1ecbfe36eaf17e1f648dc63bd447a2130779938522b86208fbe769b7af712428b73a10441d428b12d15cc217e93b46ba5a13bdbe3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec