Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 22 IoCs
resource yara_rule behavioral1/memory/224-2-0x0000000003FE0000-0x00000000048CB000-memory.dmp family_glupteba behavioral1/memory/224-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/224-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3028-56-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral1/memory/3028-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3028-119-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3028-128-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-131-0x0000000004400000-0x0000000004CEB000-memory.dmp family_glupteba behavioral1/memory/2728-132-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-234-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-242-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-243-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-245-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-247-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-249-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2728-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2444 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2728 csrss.exe 2404 injector.exe 1292 windefender.exe 3296 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002340f-237.dat upx behavioral1/memory/1292-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3296-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3296-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3296-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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 6 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 -
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 opened for modification C:\Windows\rss f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3836 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1852 224 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2936 schtasks.exe 4992 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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.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,-11 = "Azores Daylight Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.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\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2448 powershell.exe 2448 powershell.exe 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3052 powershell.exe 3052 powershell.exe 3052 powershell.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 1844 powershell.exe 1844 powershell.exe 1844 powershell.exe 2628 powershell.exe 2628 powershell.exe 2628 powershell.exe 4660 powershell.exe 4660 powershell.exe 1924 powershell.exe 1924 powershell.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2728 csrss.exe 2728 csrss.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2728 csrss.exe 2728 csrss.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2728 csrss.exe 2728 csrss.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe 2404 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2448 powershell.exe Token: SeDebugPrivilege 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Token: SeImpersonatePrivilege 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeSystemEnvironmentPrivilege 2728 csrss.exe Token: SeSecurityPrivilege 3836 sc.exe Token: SeSecurityPrivilege 3836 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 224 wrote to memory of 2448 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 91 PID 224 wrote to memory of 2448 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 91 PID 224 wrote to memory of 2448 224 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 91 PID 3028 wrote to memory of 3052 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 99 PID 3028 wrote to memory of 3052 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 99 PID 3028 wrote to memory of 3052 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 99 PID 3028 wrote to memory of 1028 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 101 PID 3028 wrote to memory of 1028 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 101 PID 1028 wrote to memory of 2444 1028 cmd.exe 103 PID 1028 wrote to memory of 2444 1028 cmd.exe 103 PID 3028 wrote to memory of 1712 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 104 PID 3028 wrote to memory of 1712 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 104 PID 3028 wrote to memory of 1712 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 104 PID 3028 wrote to memory of 1844 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 106 PID 3028 wrote to memory of 1844 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 106 PID 3028 wrote to memory of 1844 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 106 PID 3028 wrote to memory of 2728 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 108 PID 3028 wrote to memory of 2728 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 108 PID 3028 wrote to memory of 2728 3028 f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb.exe 108 PID 2728 wrote to memory of 2628 2728 csrss.exe 109 PID 2728 wrote to memory of 2628 2728 csrss.exe 109 PID 2728 wrote to memory of 2628 2728 csrss.exe 109 PID 2728 wrote to memory of 4660 2728 csrss.exe 115 PID 2728 wrote to memory of 4660 2728 csrss.exe 115 PID 2728 wrote to memory of 4660 2728 csrss.exe 115 PID 2728 wrote to memory of 1924 2728 csrss.exe 117 PID 2728 wrote to memory of 1924 2728 csrss.exe 117 PID 2728 wrote to memory of 1924 2728 csrss.exe 117 PID 2728 wrote to memory of 2404 2728 csrss.exe 119 PID 2728 wrote to memory of 2404 2728 csrss.exe 119 PID 1292 wrote to memory of 2512 1292 windefender.exe 127 PID 1292 wrote to memory of 2512 1292 windefender.exe 127 PID 1292 wrote to memory of 2512 1292 windefender.exe 127 PID 2512 wrote to memory of 3836 2512 cmd.exe 128 PID 2512 wrote to memory of 3836 2512 cmd.exe 128 PID 2512 wrote to memory of 3836 2512 cmd.exe 128 -
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:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2448
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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:3028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3052
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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:1028 -
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:2444
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Modifies data under HKEY_USERS
PID:1712
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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:1844
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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:2728 -
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:2628
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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:2936
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:512
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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:4660
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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:1924
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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:2404
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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:4992
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1292 -
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:2512 -
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:3836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 8042⤵
- Program crash
PID:1852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 224 -ip 2241⤵PID:2956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3296
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
MD5423ba8e868488cdda1ed28e9f9bd6e90
SHA15db22aef2d22e1e2f7b655ddb9d53c8c3e4c5fd4
SHA256ed9c1291a4a8f46ba0840bff713dc36299a1b9f148caae4a5659a4a19242dac8
SHA512885f61db912e7b6aed107af1ae31fa9160b05865c117d903a3522f3abd4852a7e96334653e0b31ef9c8bf3ec58f34df73090fb5aac55185a0878edb892066b6b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba4a12254420dc867f862e9d6132e81f
SHA1ee6e34012e274abd9f9cf9b94667cdf8597dbc5f
SHA256289e3a383f42b2f45ecab43777ea1e6ed2ac7ececeab6020684f6409a2d438ea
SHA512eb9894d619befb29a24a8ccb3aceda4cc2bd9cb1b6450bedc426736ad69becf7b060736de451ea24f4d4470b88ee9706b47798e653ca2d673be4cc353811ec8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569c8a0fb0b63e6796fab6e46dbafb93d
SHA1d556cbed24183c4c2f66ca44d56568f7c5631ae0
SHA256676440583365cabf0361b9a9fa72c6aed78d722f02cffd23d665a3b76a704099
SHA5127e1891396ecb2afc59bf27706852f4f9c1cdab300584f6a3df73e96fd57364f3e884e391376bfaf007e729efaf0b7ffcd95f2ba2a4787838470b3f12fb01635b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7a397e6c1f9bf03826aa8895dca8f11
SHA1d30d2a380a02619bb8c389282dbf3a91152065d7
SHA256dd8ed1a590abcf28fbc45e54b4a0e484da0284307a5eda5da65a8b84aaca1914
SHA51249f318667ac99a15b776612bd9b562eccba9b070dd253c621b66d0381c48a16464edcaa038a7738bdc8c8977836ed9c18526346928656a26a9bd9b5f716465d4
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Filesize
4.2MB
MD5ee571257341abf82686a8c22c78d6e72
SHA12983a0ca425e85ddc7a17d1dbc2b2a50151789ba
SHA256f2a84913a69138519b3befccaf4dddee97a465c1eb8964ad6f6a5b4a2419b8cb
SHA5121932d595d11002329c7e2ed1ecbfe36eaf17e1f648dc63bd447a2130779938522b86208fbe769b7af712428b73a10441d428b12d15cc217e93b46ba5a13bdbe3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec