Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 16:46
Static task
static1
Behavioral task
behavioral1
Sample
d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe
Resource
win10v2004-20240426-en
General
-
Target
d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe
-
Size
4.1MB
-
MD5
c2d738dbb2ea22bd1a6e537821a1129a
-
SHA1
f129c21f544b41050f26bd54919a246cc0bbd0aa
-
SHA256
d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6
-
SHA512
1b05fbdae35a231ba0f389b31fa9d85baa574bf316b88f47faa184e4ada5126040c0fe1a505a856f5920201d715fde62d7b1d87d151fc2efc14cb248d869ba41
-
SSDEEP
98304:wc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP6:wX++d2b0aMbplZO0sFfS6
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1120-2-0x00000000049F0000-0x00000000052DB000-memory.dmp family_glupteba behavioral2/memory/1120-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1120-78-0x00000000049F0000-0x00000000052DB000-memory.dmp family_glupteba behavioral2/memory/1120-76-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1120-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2296-120-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2296-125-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-195-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-210-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-212-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-218-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-225-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1872-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3728 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1872 csrss.exe 3308 injector.exe 2364 windefender.exe 3036 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d6-204.dat upx behavioral2/memory/2364-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2364-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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.
-
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 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe File created C:\Windows\rss\csrss.exe d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe File created 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 2920 sc.exe -
pid Process 1296 powershell.exe 3160 powershell.exe 3836 powershell.exe 3836 powershell.exe 4684 powershell.exe 2984 powershell.exe 3948 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 3380 schtasks.exe 1972 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,-449 = "Azerbaijan Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 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)" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-411 = "E. Africa 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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America 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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3836 powershell.exe 3836 powershell.exe 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 4684 powershell.exe 4684 powershell.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2984 powershell.exe 2984 powershell.exe 3948 powershell.exe 3948 powershell.exe 1296 powershell.exe 1296 powershell.exe 3160 powershell.exe 3160 powershell.exe 3836 powershell.exe 3836 powershell.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 1872 csrss.exe 1872 csrss.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 1872 csrss.exe 1872 csrss.exe 3308 injector.exe 3308 injector.exe 1872 csrss.exe 1872 csrss.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe 3308 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Token: SeImpersonatePrivilege 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 1296 powershell.exe Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeSystemEnvironmentPrivilege 1872 csrss.exe Token: SeSecurityPrivilege 2920 sc.exe Token: SeSecurityPrivilege 2920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1120 wrote to memory of 3836 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 82 PID 1120 wrote to memory of 3836 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 82 PID 1120 wrote to memory of 3836 1120 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 82 PID 2296 wrote to memory of 4684 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 87 PID 2296 wrote to memory of 4684 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 87 PID 2296 wrote to memory of 4684 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 87 PID 2296 wrote to memory of 1056 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 89 PID 2296 wrote to memory of 1056 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 89 PID 1056 wrote to memory of 3728 1056 cmd.exe 91 PID 1056 wrote to memory of 3728 1056 cmd.exe 91 PID 2296 wrote to memory of 2984 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 92 PID 2296 wrote to memory of 2984 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 92 PID 2296 wrote to memory of 2984 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 92 PID 2296 wrote to memory of 3948 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 94 PID 2296 wrote to memory of 3948 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 94 PID 2296 wrote to memory of 3948 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 94 PID 2296 wrote to memory of 1872 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 96 PID 2296 wrote to memory of 1872 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 96 PID 2296 wrote to memory of 1872 2296 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 96 PID 1872 wrote to memory of 1296 1872 csrss.exe 97 PID 1872 wrote to memory of 1296 1872 csrss.exe 97 PID 1872 wrote to memory of 1296 1872 csrss.exe 97 PID 1872 wrote to memory of 3160 1872 csrss.exe 103 PID 1872 wrote to memory of 3160 1872 csrss.exe 103 PID 1872 wrote to memory of 3160 1872 csrss.exe 103 PID 1872 wrote to memory of 3836 1872 csrss.exe 105 PID 1872 wrote to memory of 3836 1872 csrss.exe 105 PID 1872 wrote to memory of 3836 1872 csrss.exe 105 PID 1872 wrote to memory of 3308 1872 csrss.exe 107 PID 1872 wrote to memory of 3308 1872 csrss.exe 107 PID 2364 wrote to memory of 3656 2364 windefender.exe 113 PID 2364 wrote to memory of 3656 2364 windefender.exe 113 PID 2364 wrote to memory of 3656 2364 windefender.exe 113 PID 3656 wrote to memory of 2920 3656 cmd.exe 114 PID 3656 wrote to memory of 2920 3656 cmd.exe 114 PID 3656 wrote to memory of 2920 3656 cmd.exe 114 -
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
-
C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe"C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
-
-
C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe"C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.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:2296 -
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:4684
-
-
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:1056 -
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:3728
-
-
-
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:2984
-
-
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:3948
-
-
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:1872 -
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:1296
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3380
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:908
-
-
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:3160
-
-
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:3836
-
-
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:3308
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1972
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2364 -
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:3656 -
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:2920
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3036
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568289bfc6e1e6c72dac58d269b6b4b5e
SHA19e1d41c5cdd6587bf7e239a23971f5ead5cb5297
SHA256f1cc6ba062c357682422604064224235d29fa43b1ed5c9d0697ef1352b2ba5e6
SHA5124166c3d87c1319fbf6e243cf6522ea1d42e356dae53ddfe36d4d223b6c566735ffd8423b6f5131ca076fafe2ce9ed097d7ffd6077fa5422869b43a57c30f1227
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef98055d5a2faea379a369e14ce34728
SHA19fa034e392cbac753c6baf1a7177af7f0e853d97
SHA256745653cb4819fde3550eff22a4c905790279c46298a609b5c1ec614e68c367d8
SHA5126aae9c71395cbc1e4d6ca3b627f9a534c5752af7b1478f5a96bceca1de78e4d4eb67c6bf97cb162220760ce212914976c79eab1465ed4122e7d8b04328e093c7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ecd8c2e7f6d68368c0faf46c8ef8153b
SHA1d94b0ab51eddcfe558f9a5642366aaac7309ba0e
SHA256e6fe81cb9abf3a9570159d1576ea7a48aaf380c5692eb16bd384979a18d10b7b
SHA512aa2645eed494ff05074a8c32efb4ce8c30b0c0dc801c3438b99c87fe24d88fc7fd4ea582f2efa49223c2ecd4633d9ca791bfe22585f463485ea627f514b1b498
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c0bd5decabe01fa78d7619e2a9bb869
SHA13ccecb51ae21d19302d1521283f85fa4405287af
SHA256d8d6ae855e1e9b4a4f85765711ff3223af31592ce9cf2249ad6040198f250383
SHA512e629dc5cb1e23e20f2eb897336cdecc1796db0aaddfb30d62e07fd112407bae7ec325ffe5fa6a5baa7d5fd7e9eb5b26c10971ab3237d504bc71d3c67abec7704
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5519f2af4e77ec78ae57577a738d18321
SHA12ec5c8809bd01fca47410fdc5d26395f7dbe78df
SHA25696cc9f66bfe75b2c6100cf7cf7aa8588e51842aa5449e245e7bfca110c6295b5
SHA5128e066f27d249b94986db01e6492e148726ee50f6389b2146a66eb4aae6a17583b2aef420f10b5a1c3dcc6281756bf838a7a8a6aa3a75d9614e61f6c98e587944
-
Filesize
4.1MB
MD5c2d738dbb2ea22bd1a6e537821a1129a
SHA1f129c21f544b41050f26bd54919a246cc0bbd0aa
SHA256d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6
SHA5121b05fbdae35a231ba0f389b31fa9d85baa574bf316b88f47faa184e4ada5126040c0fe1a505a856f5920201d715fde62d7b1d87d151fc2efc14cb248d869ba41
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec