Analysis
-
max time kernel
149s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:40
Static task
static1
Behavioral task
behavioral1
Sample
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe
Resource
win10v2004-20240508-en
General
-
Target
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe
-
Size
4.1MB
-
MD5
2141218187bebb5da6e2a886acd409d0
-
SHA1
a035a64ad204c473c1587b5c93c4465d880da3a0
-
SHA256
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be
-
SHA512
c6ed756ea31cd8f655d550aaa7ca7348e7de041c6ad5335498ba27248fc9078b6eeb5c89b9b93b23c84bc41cc479ab3441d6319aef12b6aa5f77edfc35c20c6b
-
SSDEEP
98304:Ok/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6M:On6bazjovoyoHfX3/GYH7
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4648-2-0x0000000004470000-0x0000000004D5B000-memory.dmp family_glupteba behavioral1/memory/4648-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4648-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4648-56-0x0000000004470000-0x0000000004D5B000-memory.dmp family_glupteba behavioral1/memory/4648-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2216-137-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/832-251-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 320 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 832 csrss.exe 224 injector.exe 5072 windefender.exe 864 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023536-222.dat upx behavioral1/memory/5072-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/864-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5072-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/864-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/864-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe -
Drops file in Windows directory 4 IoCs
Processes:
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe File created C:\Windows\rss\csrss.exe db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.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.
Processes:
sc.exepid Process 3200 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1004 powershell.exe 4388 powershell.exe 648 powershell.exe 2096 powershell.exe 3220 powershell.exe 2228 powershell.exe 2096 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1656 2216 WerFault.exe 103 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1128 schtasks.exe 2248 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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 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,-1411 = "Syria Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard 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\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.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,-1912 = "Russia TZ 10 Standard Time" windefender.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\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.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,-2452 = "Saint Pierre Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1004 powershell.exe 1004 powershell.exe 1004 powershell.exe 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 4388 powershell.exe 4388 powershell.exe 4388 powershell.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 648 powershell.exe 648 powershell.exe 648 powershell.exe 2096 powershell.exe 2096 powershell.exe 2096 powershell.exe 3220 powershell.exe 3220 powershell.exe 3220 powershell.exe 2228 powershell.exe 2228 powershell.exe 2228 powershell.exe 2096 powershell.exe 2096 powershell.exe 2096 powershell.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 832 csrss.exe 832 csrss.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 832 csrss.exe 832 csrss.exe 224 injector.exe 224 injector.exe 832 csrss.exe 832 csrss.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1004 powershell.exe Token: SeDebugPrivilege 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Token: SeImpersonatePrivilege 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 648 powershell.exe Token: SeDebugPrivilege 2096 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 2096 powershell.exe Token: SeSystemEnvironmentPrivilege 832 csrss.exe Token: SeSecurityPrivilege 3200 sc.exe Token: SeSecurityPrivilege 3200 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4648 wrote to memory of 1004 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 91 PID 4648 wrote to memory of 1004 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 91 PID 4648 wrote to memory of 1004 4648 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 91 PID 2216 wrote to memory of 4388 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 105 PID 2216 wrote to memory of 4388 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 105 PID 2216 wrote to memory of 4388 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 105 PID 2216 wrote to memory of 536 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 108 PID 2216 wrote to memory of 536 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 108 PID 536 wrote to memory of 320 536 cmd.exe 110 PID 536 wrote to memory of 320 536 cmd.exe 110 PID 2216 wrote to memory of 648 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 112 PID 2216 wrote to memory of 648 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 112 PID 2216 wrote to memory of 648 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 112 PID 2216 wrote to memory of 2096 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 114 PID 2216 wrote to memory of 2096 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 114 PID 2216 wrote to memory of 2096 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 114 PID 2216 wrote to memory of 832 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 116 PID 2216 wrote to memory of 832 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 116 PID 2216 wrote to memory of 832 2216 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 116 PID 832 wrote to memory of 3220 832 csrss.exe 119 PID 832 wrote to memory of 3220 832 csrss.exe 119 PID 832 wrote to memory of 3220 832 csrss.exe 119 PID 832 wrote to memory of 2228 832 csrss.exe 125 PID 832 wrote to memory of 2228 832 csrss.exe 125 PID 832 wrote to memory of 2228 832 csrss.exe 125 PID 832 wrote to memory of 2096 832 csrss.exe 128 PID 832 wrote to memory of 2096 832 csrss.exe 128 PID 832 wrote to memory of 2096 832 csrss.exe 128 PID 832 wrote to memory of 224 832 csrss.exe 130 PID 832 wrote to memory of 224 832 csrss.exe 130 PID 5072 wrote to memory of 4516 5072 windefender.exe 137 PID 5072 wrote to memory of 4516 5072 windefender.exe 137 PID 5072 wrote to memory of 4516 5072 windefender.exe 137 PID 4516 wrote to memory of 3200 4516 cmd.exe 138 PID 4516 wrote to memory of 3200 4516 cmd.exe 138 PID 4516 wrote to memory of 3200 4516 cmd.exe 138 -
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\db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe"C:\Users\Admin\AppData\Local\Temp\db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1004
-
-
C:\Users\Admin\AppData\Local\Temp\db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe"C:\Users\Admin\AppData\Local\Temp\db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.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:2216 -
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:4388
-
-
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:536 -
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:320
-
-
-
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:648
-
-
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:2096
-
-
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:832 -
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:3220
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1128
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:424
-
-
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:2228
-
-
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:2096
-
-
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:224
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2248
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5072 -
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:4516 -
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:3200
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 9483⤵
- Program crash
PID:1656
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3404,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4532 /prefetch:81⤵PID:1640
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2216 -ip 22161⤵PID:1000
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:864
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
MD55e5fcc2a9ac951dc9093b3080865b5ed
SHA1b389a5efa0f17c0f32f4999141b06f1ee85a1487
SHA2568ff60439c103b4968c2e1cda424d43e68c2e8a4d9d23c30c67cc8eb4b7d25e6d
SHA5120c5d6775e26de48758e7c19d2d5434dd811e8e7b05e1030c899fd5931d335bdfe33ad61eb66b70320a0608d7c083df2b6a57920f2e41895c1f07f482a44bdcf5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b74df02679bfb79d6f1b958f8e3ea7ab
SHA1bc9da96fad219dcde752945f52cf5c6da44bd6ac
SHA25691ee96983b17b26e18e502b4abf1d6cc9a9f9b38c4f7b49e0f1e27d518df63a7
SHA5128d05380ae5257d1f7a339ebe2490e0c88ef2dc4b16eedfad47db3460694d5f7ad4d6c8ca762d5efd0e12159930e46b09390095a489302ae82a76065135a01143
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eae38849f94f7e755f47c12b3b1c7451
SHA119f3c407183c1bb29f576fd9a55e581077006678
SHA256cd574a5e8a16f841361dadee76bc85a93ed7ca9f15dfa7aee99f9ea1a14f50b5
SHA5120f2aa675c07abfc619aaf7cf54cb56283a5d326a315525e13e5eb7497e2284513d4a8d16f905b6034712d0dc9c346a504a5e057167acd8035fe2b7fcd292478b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59057b80a982978f4231376ce4da35f82
SHA138fd1f52fd20725e2ecb748dca30f1dc85ae5667
SHA25668cd5cefeb238362c914b6eee42555a7df4c12a3aa243afd2aa15a4a573d5386
SHA51299ed4e9894957f4f744e02afb2879148cdc1ea85289b10b35403bbe3842a8cc8d57b7e9fe816bdfd6f1cef02e9c4d0fadda6cda107811b0319f841da2adbd30b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509e1dad1e60bcf7fde0b5c5e9a579b84
SHA1907620a5a3f84b7fc0ea9fc118faa54645c6b600
SHA2565e8cfa89ff20323cc3399f8107282f0a31e378b43237d2fdab21e28406c9bd37
SHA512bd61b0f5e90970ee1da312c79b4829c98c4b081fdb4ffa7fe1df334bf23273d23ccf9d1ce9ae86c04e5b11c26e1d794d4bc047f2412b9c9ad6763171fa9193e5
-
Filesize
4.1MB
MD52141218187bebb5da6e2a886acd409d0
SHA1a035a64ad204c473c1587b5c93c4465d880da3a0
SHA256db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be
SHA512c6ed756ea31cd8f655d550aaa7ca7348e7de041c6ad5335498ba27248fc9078b6eeb5c89b9b93b23c84bc41cc479ab3441d6319aef12b6aa5f77edfc35c20c6b
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec