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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 08:58
Static task
static1
Behavioral task
behavioral1
Sample
2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe
Resource
win10v2004-20240426-en
General
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Target
2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe
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Size
4.1MB
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MD5
881f0e1b55a24e9862e8be400b59f45f
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SHA1
1d51b95c585db438f094fe1e850969d9dfb1ed29
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SHA256
2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016
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SHA512
79157352c7993ea45a67399c5a6559d6ebd5f1503f22f91f7e67d91e275931d33d4a60b0d25b28e53c09c3b1bd08d1c2e7c9b8ef9465a8bb62068278c8dbcaca
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1a:QvC3DFSWO/BjYGk1PnXHoWWZ1za6Na
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1000-2-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral2/memory/1000-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1000-54-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral2/memory/1000-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1000-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3024-126-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-204-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-214-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-216-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-218-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-222-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-224-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-226-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3376-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 936 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3376 csrss.exe 2268 injector.exe 424 windefender.exe 1292 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa37-207.dat upx behavioral2/memory/424-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1292-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/424-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1292-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1292-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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\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 File created 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 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe File created C:\Windows\rss\csrss.exe 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.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 1948 sc.exe -
pid Process 444 powershell.exe 1836 powershell.exe 4556 powershell.exe 3424 powershell.exe 2380 powershell.exe 224 powershell.exe 1396 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3440 schtasks.exe 3312 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 444 powershell.exe 444 powershell.exe 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 1836 powershell.exe 1836 powershell.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 4556 powershell.exe 4556 powershell.exe 3424 powershell.exe 3424 powershell.exe 2380 powershell.exe 2380 powershell.exe 224 powershell.exe 224 powershell.exe 1396 powershell.exe 1396 powershell.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 3376 csrss.exe 3376 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 3376 csrss.exe 3376 csrss.exe 2268 injector.exe 2268 injector.exe 3376 csrss.exe 3376 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 444 powershell.exe Token: SeDebugPrivilege 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Token: SeImpersonatePrivilege 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 2380 powershell.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeSystemEnvironmentPrivilege 3376 csrss.exe Token: SeSecurityPrivilege 1948 sc.exe Token: SeSecurityPrivilege 1948 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1000 wrote to memory of 444 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 82 PID 1000 wrote to memory of 444 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 82 PID 1000 wrote to memory of 444 1000 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 82 PID 3024 wrote to memory of 1836 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 88 PID 3024 wrote to memory of 1836 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 88 PID 3024 wrote to memory of 1836 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 88 PID 3024 wrote to memory of 1080 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 90 PID 3024 wrote to memory of 1080 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 90 PID 1080 wrote to memory of 936 1080 cmd.exe 92 PID 1080 wrote to memory of 936 1080 cmd.exe 92 PID 3024 wrote to memory of 4556 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 93 PID 3024 wrote to memory of 4556 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 93 PID 3024 wrote to memory of 4556 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 93 PID 3024 wrote to memory of 3424 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 95 PID 3024 wrote to memory of 3424 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 95 PID 3024 wrote to memory of 3424 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 95 PID 3024 wrote to memory of 3376 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 97 PID 3024 wrote to memory of 3376 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 97 PID 3024 wrote to memory of 3376 3024 2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe 97 PID 3376 wrote to memory of 2380 3376 csrss.exe 98 PID 3376 wrote to memory of 2380 3376 csrss.exe 98 PID 3376 wrote to memory of 2380 3376 csrss.exe 98 PID 3376 wrote to memory of 224 3376 csrss.exe 104 PID 3376 wrote to memory of 224 3376 csrss.exe 104 PID 3376 wrote to memory of 224 3376 csrss.exe 104 PID 3376 wrote to memory of 1396 3376 csrss.exe 106 PID 3376 wrote to memory of 1396 3376 csrss.exe 106 PID 3376 wrote to memory of 1396 3376 csrss.exe 106 PID 3376 wrote to memory of 2268 3376 csrss.exe 108 PID 3376 wrote to memory of 2268 3376 csrss.exe 108 PID 424 wrote to memory of 1148 424 windefender.exe 114 PID 424 wrote to memory of 1148 424 windefender.exe 114 PID 424 wrote to memory of 1148 424 windefender.exe 114 PID 1148 wrote to memory of 1948 1148 cmd.exe 115 PID 1148 wrote to memory of 1948 1148 cmd.exe 115 PID 1148 wrote to memory of 1948 1148 cmd.exe 115 -
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\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe"C:\Users\Admin\AppData\Local\Temp\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:444
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C:\Users\Admin\AppData\Local\Temp\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.exe"C:\Users\Admin\AppData\Local\Temp\2c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016.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:3024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1836
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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:1080 -
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:936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3424
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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:3376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2380
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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:3440
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2432
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:224
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396
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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:2268
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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:3312
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:424 -
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:1148 -
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:1948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1292
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
MD5e506bf52f8a5374442e8c3421bf6cd27
SHA1d8133b9c5c62b6a3766b41bcbfc10ecf31ead38f
SHA256df68ca24ebc30c516f2ab5cd0ad54b212cb07ff1c4b932afbb40f61eb86fb472
SHA512e73438c587a923a1650a8a2932f57efff561873d475265726e8eb425801406aad41daefc39c12ae328ec7c4a18331e324d36d78373d1a055a330a782b5158754
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d2229e9e4e6435e82bedc79920fe899
SHA1e2438932030e9d17f63fec27d525393a9cc8d8a9
SHA25635dd40d8bb299a1159b332da92dfece53aeb9bc5575f91da2ec8131f8b391b72
SHA5125b8704daf72010937e1b5c0609c4252c6ace9861eeb86928a30058b792089b11ed2e6b44528a07ebf13c001527b037cc3de13932d55e3cb91615d23d03668065
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53571b1f103e961755010bbb381fe2336
SHA1a679335c4eaeb5241a9e8743c8c75be1e9c05fcc
SHA2563f9058be9dfa2b9d4b3abc8d618e3e7b5b7ab1e599dc1153e6e5fb4f0c6eebca
SHA512f28057e3b0503f040b79311d1bf3cde494c08fc23b364aa40ceb3d9b3ac2b1c6458b2aa85f3a804206599efc1af9945492b9dca1d04c3acc8999ec16a9770d4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574294b514a2887b707de9778d2f4732a
SHA109236764c5e919061e1958b3dc40a8f7e4128f36
SHA25655e7495bb266cb680ba27bb28e002f0f7762003957a66f5ec0920e13f8c2a242
SHA51294ce14360a30ec195cf09fc3601c598f4f8dd53d571a22c99ad681ede1e5c444516cec06d44dd746ba92b36d112f52433d984974703dba47af654b7c9bec0983
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525843dfa429a2886f0cc63f30718d1f9
SHA13db4ef4261cb673398cd6fe3a0cad13b4f6bf588
SHA256fc3f5fbc6f03a6a99880474da27fbd54c6680c499700d75c4136f7b3272de5be
SHA512bb5ddbc422c4340a8e5b38a580ed481cca09aab49eb5420060c5a2b5aafc0345accb27719a5a2b86daf08817d087d0047af9ec5182938d14d5e6e42c1cdb76c8
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Filesize
4.1MB
MD5881f0e1b55a24e9862e8be400b59f45f
SHA11d51b95c585db438f094fe1e850969d9dfb1ed29
SHA2562c01dd23a27aa6c17b946113f0fcacac8eae26c0d9dc964e1d142cb2d5219016
SHA51279157352c7993ea45a67399c5a6559d6ebd5f1503f22f91f7e67d91e275931d33d4a60b0d25b28e53c09c3b1bd08d1c2e7c9b8ef9465a8bb62068278c8dbcaca
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec