Analysis
-
max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 23:59
Static task
static1
Behavioral task
behavioral1
Sample
1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe
Resource
win10v2004-20240426-en
General
-
Target
1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe
-
Size
4.1MB
-
MD5
c51933f62cd3bee1495d7abe891e898d
-
SHA1
a759af9a40a76416d4a70b333483b11fcf49c9d5
-
SHA256
1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799
-
SHA512
18ed74ceaa262a3d022b3946c1bc74778db713659cda46799b6f494f6b008c48d16a52559d5be5e7fe8afef449eba0c38c7d1a521056294839c186bb501a957e
-
SSDEEP
98304:ieUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGH:igHncLBP5HkIsFwf3u4kByfxbhOc
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2532-2-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/2532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2760-56-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/2532-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2532-85-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/2760-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1744-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2156 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1744 csrss.exe 3172 injector.exe 344 windefender.exe 5084 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002347b-219.dat upx behavioral1/memory/344-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5084-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/344-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5084-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5084-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5084-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe File created C:\Windows\rss\csrss.exe 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.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 3712 sc.exe -
pid Process 928 powershell.exe 3992 powershell.exe 4816 powershell.exe 4520 powershell.exe 2052 powershell.exe 1944 powershell.exe 4372 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 3544 schtasks.exe 4428 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,-214 = "Pacific Daylight Time (Mexico)" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.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" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian 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" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.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\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4816 powershell.exe 4816 powershell.exe 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 4520 powershell.exe 4520 powershell.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 2052 powershell.exe 2052 powershell.exe 2052 powershell.exe 1944 powershell.exe 1944 powershell.exe 1944 powershell.exe 4372 powershell.exe 4372 powershell.exe 928 powershell.exe 928 powershell.exe 3992 powershell.exe 3992 powershell.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 1744 csrss.exe 1744 csrss.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 1744 csrss.exe 1744 csrss.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 1744 csrss.exe 1744 csrss.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Token: SeImpersonatePrivilege 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 1944 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 928 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeSystemEnvironmentPrivilege 1744 csrss.exe Token: SeSecurityPrivilege 3712 sc.exe Token: SeSecurityPrivilege 3712 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2532 wrote to memory of 4816 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 91 PID 2532 wrote to memory of 4816 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 91 PID 2532 wrote to memory of 4816 2532 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 91 PID 2760 wrote to memory of 4520 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 99 PID 2760 wrote to memory of 4520 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 99 PID 2760 wrote to memory of 4520 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 99 PID 2760 wrote to memory of 2452 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 104 PID 2760 wrote to memory of 2452 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 104 PID 2452 wrote to memory of 2156 2452 cmd.exe 107 PID 2452 wrote to memory of 2156 2452 cmd.exe 107 PID 2760 wrote to memory of 2052 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 110 PID 2760 wrote to memory of 2052 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 110 PID 2760 wrote to memory of 2052 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 110 PID 2760 wrote to memory of 1944 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 113 PID 2760 wrote to memory of 1944 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 113 PID 2760 wrote to memory of 1944 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 113 PID 2760 wrote to memory of 1744 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 115 PID 2760 wrote to memory of 1744 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 115 PID 2760 wrote to memory of 1744 2760 1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe 115 PID 1744 wrote to memory of 4372 1744 csrss.exe 116 PID 1744 wrote to memory of 4372 1744 csrss.exe 116 PID 1744 wrote to memory of 4372 1744 csrss.exe 116 PID 1744 wrote to memory of 928 1744 csrss.exe 122 PID 1744 wrote to memory of 928 1744 csrss.exe 122 PID 1744 wrote to memory of 928 1744 csrss.exe 122 PID 1744 wrote to memory of 3992 1744 csrss.exe 124 PID 1744 wrote to memory of 3992 1744 csrss.exe 124 PID 1744 wrote to memory of 3992 1744 csrss.exe 124 PID 1744 wrote to memory of 3172 1744 csrss.exe 126 PID 1744 wrote to memory of 3172 1744 csrss.exe 126 PID 344 wrote to memory of 3512 344 windefender.exe 133 PID 344 wrote to memory of 3512 344 windefender.exe 133 PID 344 wrote to memory of 3512 344 windefender.exe 133 PID 3512 wrote to memory of 3712 3512 cmd.exe 134 PID 3512 wrote to memory of 3712 3512 cmd.exe 134 PID 3512 wrote to memory of 3712 3512 cmd.exe 134 -
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\1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe"C:\Users\Admin\AppData\Local\Temp\1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4816
-
-
C:\Users\Admin\AppData\Local\Temp\1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.exe"C:\Users\Admin\AppData\Local\Temp\1b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799.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:2760 -
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:4520
-
-
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:2452 -
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:2156
-
-
-
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:2052
-
-
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:1944
-
-
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:1744 -
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:4372
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3544
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2856
-
-
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:928
-
-
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:3992
-
-
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:3172
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4428
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:344 -
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:3512 -
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:3712
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5084
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554186fddb109d3c55dadd5675c5a415a
SHA1e4c5d402f8f7d30b86c9a1ff3670a128bdb07db9
SHA25625c540600b29f7ab9e95cad36dec1bef6ebb45b4cbbe951b524dff56460c1447
SHA512c5a0d54eea337866bfa67147406e7618b2b2f379a8c2f6a7b34c358985989fb5aedef4e793c0595cf5175b748e5103aa93bbb6ec72479f930657507931b93331
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b15053ed6b327e95665a2255168f3508
SHA1752d0910621fb48df74766c8daea8170bb4789b0
SHA256c4f99beda4a5226be5dcd6ddd25d1de616c484d611f79cc6b5ae38d9ea05c62d
SHA512bc89bf9aef1b560772d1198f0c18c7824102a599d6c5befcc6a5f2c387de6106b46ef59fe38017cdf7c53c1638a670306d38d16e057f35df8da79df868fcd2f4
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b091bc53ac026d9207baf4391bf69103
SHA1402dbddca44762b767dd1d9c2193f6549c50cad8
SHA2568b4a37eff01767b0a65ad23ef7886cca8a47dd9c9be2304965eb337b9155d57a
SHA512bb009998c68068f54ad4b965fba6d664f8be9129556e6ebc22ce3ee221c9e0acf3e0debe6cbeb02415d4acf4861d2a0e39680545738501d1d97d8fa9b1ee7040
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f229ecf435a2c05a45abd481f6669c3
SHA18f35810676070273b6a488ffe3b81891b1648a23
SHA256d389dbb1935ebded1ba8f4fa579b8eff35f5d67b083d77c3b547058d4ad839dc
SHA512eac36a10d1518e312f49c9dfc4972c2df397ab23b5dbc0ad0a961692be7f54bf6eb1d5a4a0a143e2597af63b45a4e5150a66baf12594fecdfdd4cbbace4dbfc1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fbe67eb0b453a9b1ef4fdd16b86cfc6
SHA16a1393706d35af084debc94173d6536a938f70cc
SHA2568cbae302680c8d17d551603f562cfb5746d73d0d5ef874cd239434f9cacfd7cf
SHA512b89ddf10acd9aa38f58d631e79a81839b157d26af232136a7f6a8417b68ce0928029e54d3db195ad7853bf5e1f40f27ae78a21bf1f707a9f41288e241f195d83
-
Filesize
4.1MB
MD5c51933f62cd3bee1495d7abe891e898d
SHA1a759af9a40a76416d4a70b333483b11fcf49c9d5
SHA2561b21717c0f65d70c89986e4b019360cc859c78de35a2ed851209733d6df98799
SHA51218ed74ceaa262a3d022b3946c1bc74778db713659cda46799b6f494f6b008c48d16a52559d5be5e7fe8afef449eba0c38c7d1a521056294839c186bb501a957e
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec