Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:31
Static task
static1
Behavioral task
behavioral1
Sample
5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe
Resource
win10v2004-20240508-en
General
-
Target
5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe
-
Size
4.1MB
-
MD5
4f74ac496254af3fe3e9fb4347dec3bb
-
SHA1
20ab8010f608f876c9f073bf70f9ef9153ddfb46
-
SHA256
5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5
-
SHA512
cfe2596f98fef94145abba977072d4c4b3d6d5611ff11ad43646542d4a2d153470f17e5d9167e11686f52fa98413d6390764239fac3454265aaf7139c20b4920
-
SSDEEP
98304:VwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpT:VwqoWyv4yANjKQa7o9
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3448-2-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/3448-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3448-50-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3448-52-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/1604-75-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3448-100-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1604-127-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-202-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-213-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-216-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-220-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-225-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-229-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-232-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-241-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-245-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4044-248-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1288 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4044 csrss.exe 464 injector.exe 4804 windefender.exe 384 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1e-207.dat upx behavioral2/memory/4804-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4804-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe File created C:\Windows\rss\csrss.exe 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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 2568 sc.exe -
pid Process 3896 powershell.exe 3136 powershell.exe 2420 powershell.exe 2292 powershell.exe 2628 powershell.exe 2296 powershell.exe 3600 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 2828 schtasks.exe 4984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-221 = "Alaskan 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2628 powershell.exe 2628 powershell.exe 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2296 powershell.exe 2296 powershell.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 3600 powershell.exe 3600 powershell.exe 3896 powershell.exe 3896 powershell.exe 3136 powershell.exe 3136 powershell.exe 2420 powershell.exe 2420 powershell.exe 2292 powershell.exe 2292 powershell.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 4044 csrss.exe 464 injector.exe 4044 csrss.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 4044 csrss.exe 4044 csrss.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 4044 csrss.exe 4044 csrss.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Token: SeImpersonatePrivilege 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 2420 powershell.exe Token: SeDebugPrivilege 2292 powershell.exe Token: SeSystemEnvironmentPrivilege 4044 csrss.exe Token: SeSecurityPrivilege 2568 sc.exe Token: SeSecurityPrivilege 2568 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3448 wrote to memory of 2628 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 79 PID 3448 wrote to memory of 2628 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 79 PID 3448 wrote to memory of 2628 3448 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 79 PID 1604 wrote to memory of 2296 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 84 PID 1604 wrote to memory of 2296 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 84 PID 1604 wrote to memory of 2296 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 84 PID 1604 wrote to memory of 1428 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 86 PID 1604 wrote to memory of 1428 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 86 PID 1428 wrote to memory of 1288 1428 cmd.exe 88 PID 1428 wrote to memory of 1288 1428 cmd.exe 88 PID 1604 wrote to memory of 3600 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 89 PID 1604 wrote to memory of 3600 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 89 PID 1604 wrote to memory of 3600 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 89 PID 1604 wrote to memory of 3896 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 91 PID 1604 wrote to memory of 3896 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 91 PID 1604 wrote to memory of 3896 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 91 PID 1604 wrote to memory of 4044 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 93 PID 1604 wrote to memory of 4044 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 93 PID 1604 wrote to memory of 4044 1604 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 93 PID 4044 wrote to memory of 3136 4044 csrss.exe 94 PID 4044 wrote to memory of 3136 4044 csrss.exe 94 PID 4044 wrote to memory of 3136 4044 csrss.exe 94 PID 4044 wrote to memory of 2420 4044 csrss.exe 100 PID 4044 wrote to memory of 2420 4044 csrss.exe 100 PID 4044 wrote to memory of 2420 4044 csrss.exe 100 PID 4044 wrote to memory of 2292 4044 csrss.exe 102 PID 4044 wrote to memory of 2292 4044 csrss.exe 102 PID 4044 wrote to memory of 2292 4044 csrss.exe 102 PID 4044 wrote to memory of 464 4044 csrss.exe 104 PID 4044 wrote to memory of 464 4044 csrss.exe 104 PID 4804 wrote to memory of 3680 4804 windefender.exe 110 PID 4804 wrote to memory of 3680 4804 windefender.exe 110 PID 4804 wrote to memory of 3680 4804 windefender.exe 110 PID 3680 wrote to memory of 2568 3680 cmd.exe 111 PID 3680 wrote to memory of 2568 3680 cmd.exe 111 PID 3680 wrote to memory of 2568 3680 cmd.exe 111 -
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\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe"C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628
-
-
C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe"C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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:1604 -
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:2296
-
-
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:1428 -
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:1288
-
-
-
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:3600
-
-
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:3896
-
-
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:4044 -
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:3136
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2828
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4852
-
-
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:2420
-
-
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:2292
-
-
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:464
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4984
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4804 -
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:3680 -
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:2568
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:384
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
MD531b58f11a543ceab1dbca367c8cf968a
SHA14d5f6413142f91587c484776ffdfae49b1ad5934
SHA2562e5efb9b571c9eecd8f269f3c0fe24a7da75c95764e2b29d94754f40da932c9c
SHA5121acddfbeea0d24876b34b0aaec5e7e9e31796161cb83506c4ea84e2c7955f9edcb65227b4fce5a56364bda77788f7304cd88c318d7bf5a371b25ab2e29fa9c73
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56998d314e359e86c4eeecc9287cf21dc
SHA114e658eb634ce183da1c195583a72e3462508df8
SHA2565bf49557116e106eccd706a497497c2cf120520c631f8d5452c93e20f76e4372
SHA51266a3801e9fdbee47a6fb1cc523911a3e25cec312ca3e882439c2315c281ef1c3f728b23bef80cc38a140881555e53be175e3ce45b37b980590c51b2c73ec27c3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a24b5942bf9792a99e5d4569c8714e50
SHA19b4d40847a48e4a0fbac6c34fa21678e370ab65d
SHA256227f68ac6dcedc4bef6c27036da138e9d1b24655a605a07de508edf789ac7819
SHA51234cb5ebe26239dd73457b674595255129cc0ffa2ac4987d959680ff2195219168f0ae1204324bfc3a3e692c928990e5b23e9002d864bb6e8c4fe16eecb7fe61c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a4766a0f987fca5bf0eaa5dc4297fe8
SHA15794a513b9e31e024e6d0db5562f8817bd9ce61d
SHA2568cd3a4181218b98021b728cd152391a7803cc2fda9def3753e8dfc0433433978
SHA5127712ca444491171b67515ac873c0fdd92e1c0760f192b0aa82f531b84871df11be940c55512b39adb955de6099b4e36cbe3fc9c39ff90028e81dc0c72552b6b8
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd0264144379bde8881a54ead918c110
SHA1ac7bc57e96e0b233b7df7cf8aa27b02861aa6da0
SHA25617918d42a77f364cf121173498c68a191464a889fab84c9176ae96447fe35c43
SHA512d9f9199d32fbc34a50c6707bc2d4e56afbe504c9be49da3933cd8443bcff83e247badf12bb9aaa427bde5146e812800e07dbe3a09474d83f1a922333ceec6316
-
Filesize
4.1MB
MD54f74ac496254af3fe3e9fb4347dec3bb
SHA120ab8010f608f876c9f073bf70f9ef9153ddfb46
SHA2565c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5
SHA512cfe2596f98fef94145abba977072d4c4b3d6d5611ff11ad43646542d4a2d153470f17e5d9167e11686f52fa98413d6390764239fac3454265aaf7139c20b4920
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec