Analysis
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max time kernel
149s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe
Resource
win10v2004-20240508-en
General
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Target
898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe
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Size
4.1MB
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MD5
7b32398094b342f21a83147adc173021
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SHA1
c3f6bcf1107fed356d05ab81d9cf4d9ce6add8fc
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SHA256
898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022
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SHA512
47bc6befc79ea8e6be1b06db13a60a7d1bde3b50d9b3abdab97a0a722ba5f215c4054140d8c1bf1aa6a58521d34588da0fe4d865954fce14f6eb61ce588ab4b2
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SSDEEP
98304:M3tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59X0:MdQIuMQA9oQJ/gXDL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2912-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/2912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2912-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2912-75-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1744-116-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1744-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3836-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3660 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3836 csrss.exe 4884 injector.exe 3328 windefender.exe 3116 windefender.exe -
resource yara_rule behavioral2/memory/3328-200-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa5b-199.dat upx behavioral2/memory/3116-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3328-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3116-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3116-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe File created C:\Windows\rss\csrss.exe 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.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 2408 sc.exe -
pid Process 1576 powershell.exe 4036 powershell.exe 1304 powershell.exe 2412 powershell.exe 1344 powershell.exe 3992 powershell.exe 1172 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3524 1304 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1044 schtasks.exe 3448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe 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" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1304 powershell.exe 1304 powershell.exe 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 2412 powershell.exe 2412 powershell.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 1344 powershell.exe 1344 powershell.exe 3992 powershell.exe 3992 powershell.exe 1172 powershell.exe 1172 powershell.exe 1576 powershell.exe 1576 powershell.exe 4036 powershell.exe 4036 powershell.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 3836 csrss.exe 3836 csrss.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 3836 csrss.exe 3836 csrss.exe 4884 injector.exe 4884 injector.exe 3836 csrss.exe 3836 csrss.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1304 powershell.exe Token: SeDebugPrivilege 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Token: SeImpersonatePrivilege 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 1344 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 1172 powershell.exe Token: SeDebugPrivilege 1576 powershell.exe Token: SeDebugPrivilege 4036 powershell.exe Token: SeSystemEnvironmentPrivilege 3836 csrss.exe Token: SeSecurityPrivilege 2408 sc.exe Token: SeSecurityPrivilege 2408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2912 wrote to memory of 1304 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 82 PID 2912 wrote to memory of 1304 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 82 PID 2912 wrote to memory of 1304 2912 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 82 PID 1744 wrote to memory of 2412 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 90 PID 1744 wrote to memory of 2412 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 90 PID 1744 wrote to memory of 2412 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 90 PID 1744 wrote to memory of 2392 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 92 PID 1744 wrote to memory of 2392 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 92 PID 2392 wrote to memory of 3660 2392 cmd.exe 94 PID 2392 wrote to memory of 3660 2392 cmd.exe 94 PID 1744 wrote to memory of 1344 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 95 PID 1744 wrote to memory of 1344 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 95 PID 1744 wrote to memory of 1344 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 95 PID 1744 wrote to memory of 3992 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 97 PID 1744 wrote to memory of 3992 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 97 PID 1744 wrote to memory of 3992 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 97 PID 1744 wrote to memory of 3836 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 99 PID 1744 wrote to memory of 3836 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 99 PID 1744 wrote to memory of 3836 1744 898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe 99 PID 3836 wrote to memory of 1172 3836 csrss.exe 100 PID 3836 wrote to memory of 1172 3836 csrss.exe 100 PID 3836 wrote to memory of 1172 3836 csrss.exe 100 PID 3836 wrote to memory of 1576 3836 csrss.exe 106 PID 3836 wrote to memory of 1576 3836 csrss.exe 106 PID 3836 wrote to memory of 1576 3836 csrss.exe 106 PID 3836 wrote to memory of 4036 3836 csrss.exe 108 PID 3836 wrote to memory of 4036 3836 csrss.exe 108 PID 3836 wrote to memory of 4036 3836 csrss.exe 108 PID 3836 wrote to memory of 4884 3836 csrss.exe 110 PID 3836 wrote to memory of 4884 3836 csrss.exe 110 PID 3328 wrote to memory of 3388 3328 windefender.exe 116 PID 3328 wrote to memory of 3388 3328 windefender.exe 116 PID 3328 wrote to memory of 3388 3328 windefender.exe 116 PID 3388 wrote to memory of 2408 3388 cmd.exe 117 PID 3388 wrote to memory of 2408 3388 cmd.exe 117 PID 3388 wrote to memory of 2408 3388 cmd.exe 117 -
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\898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe"C:\Users\Admin\AppData\Local\Temp\898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1304 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 18763⤵
- Program crash
PID:3524
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C:\Users\Admin\AppData\Local\Temp\898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.exe"C:\Users\Admin\AppData\Local\Temp\898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022.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:1744 -
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:2412
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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:2392 -
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:3660
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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:1344
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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:3992
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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:3836 -
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:1172
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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:1044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1984
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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:1576
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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:4036
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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:4884
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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:3448
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3328 -
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:3388 -
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:2408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1304 -ip 13041⤵PID:5048
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3116
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580e1dac59550528ed4b1d963eb9d77b1
SHA19540cc78ffdd201e4ece359e20fb55dfe2f19bd1
SHA256ba0c2479ae5144987dabdc978e1343f83b9a70c531243e2ba46371c2ea756e11
SHA51211ad7e6a5ff6c66b341494ccbeb32113cd85235e5f3ed5f63624382647020a53633dfbf7374cde89e686b1b64b4fd678b7b0123355053225aaf389a341de96e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca340634fd15617188662f0ddc5b0562
SHA11fb7fd3b5af30ca8895f8126b6f168a4822ef5d4
SHA2562da3e9bf5c253b733e26739fbc14b6f1116098c8ac5ec56a760551c71e87804a
SHA512dc8688950529236f051941bcb4b3957da7b80da7e0768d73a0bcd437be54c25f353f9f1de476a707c62907e3879bf10a2c61fb1b30842fe8271f3d8c86ab0051
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f22673f46ce225fe53b4d15084cf76db
SHA17a9ec3869e905a98f9846fdc0485c8a8432d405d
SHA2565f4a98b79a1479cb8108f43de8e643cf2fc19bec123ba8e57546f8a55125c869
SHA512959576c3a10e372af53453a0ea248185870132008942ec9c30ffe708f7383fac2e17d875a95556cf776f828677b8829d74ab8082c67211078c8a566b2a3cae9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59eff236089e25148be12641e76ff9a32
SHA1c0f29ec5b9fd51edb556269d0360a8a47f006601
SHA256a4ae5f8963ce217a231f5d4784abe17da9859760e9cb11410e4b7b3b3bd9b149
SHA512640248e54000ec0a8d7c78e5b97e2d02410c64ee114ff3a68f7acbe4af453abb64a02bbca666ff01fd491ca6b7f832822c0ac8c73d2c6f7a99790151d4f3bd07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5867520f66d57059efc77aa78ef842d8c
SHA189adf4fdb00c99578158e232d0ef3e882cc6728e
SHA2565dff0e16fe44904e590ece18e8a9223426d3f5930bfe5f21c24b773007e6c48a
SHA512778a90b6beebd3a9c0c9198eec5d4b80e17ae86abc1a62e7befc2dea6a160ce4b235bfad9b85db195613f128c3ab1c62fa665303ef95782dae5925454a138f65
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Filesize
4.1MB
MD57b32398094b342f21a83147adc173021
SHA1c3f6bcf1107fed356d05ab81d9cf4d9ce6add8fc
SHA256898e084024ea4f5272bc152aa3eb67d24371d787dff05d7d8b1c3df20949c022
SHA51247bc6befc79ea8e6be1b06db13a60a7d1bde3b50d9b3abdab97a0a722ba5f215c4054140d8c1bf1aa6a58521d34588da0fe4d865954fce14f6eb61ce588ab4b2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec