Analysis
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max time kernel
150s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:40
Static task
static1
Behavioral task
behavioral1
Sample
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe
Resource
win10v2004-20240508-en
General
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Target
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe
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Size
4.1MB
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MD5
2141218187bebb5da6e2a886acd409d0
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SHA1
a035a64ad204c473c1587b5c93c4465d880da3a0
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SHA256
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be
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SHA512
c6ed756ea31cd8f655d550aaa7ca7348e7de041c6ad5335498ba27248fc9078b6eeb5c89b9b93b23c84bc41cc479ab3441d6319aef12b6aa5f77edfc35c20c6b
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SSDEEP
98304:Ok/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6M:On6bazjovoyoHfX3/GYH7
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4972-2-0x00000000045A0000-0x0000000004E8B000-memory.dmp family_glupteba behavioral2/memory/4972-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4972-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4972-54-0x00000000045A0000-0x0000000004E8B000-memory.dmp family_glupteba behavioral2/memory/4972-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1752-126-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-205-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1956-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2560 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1956 csrss.exe 1548 injector.exe 2160 windefender.exe 488 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9e6-208.dat upx behavioral2/memory/2160-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/488-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2160-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/488-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/488-220-0x0000000000400000-0x00000000008DF000-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-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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 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 -
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 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 File opened for modification C:\Windows\rss db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3612 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1444 powershell.exe 2160 powershell.exe 5052 powershell.exe 4172 powershell.exe 1508 powershell.exe 1088 powershell.exe 1372 powershell.exe -
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 4136 schtasks.exe 3656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.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\@tzres.dll,-2392 = "Aleutian 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,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.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\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\@tzres.dll,-361 = "GTB Daylight Time" windefender.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,-335 = "Jordan Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\@tzres.dll,-451 = "Caucasus Daylight 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\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight 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,-491 = "India Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1444 powershell.exe 1444 powershell.exe 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 2160 powershell.exe 2160 powershell.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 5052 powershell.exe 5052 powershell.exe 4172 powershell.exe 4172 powershell.exe 1508 powershell.exe 1508 powershell.exe 1088 powershell.exe 1088 powershell.exe 1372 powershell.exe 1372 powershell.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1956 csrss.exe 1956 csrss.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1956 csrss.exe 1956 csrss.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1956 csrss.exe 1956 csrss.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe 1548 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Token: SeImpersonatePrivilege 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeSystemEnvironmentPrivilege 1956 csrss.exe Token: SeSecurityPrivilege 3612 sc.exe Token: SeSecurityPrivilege 3612 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exedb7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4972 wrote to memory of 1444 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 82 PID 4972 wrote to memory of 1444 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 82 PID 4972 wrote to memory of 1444 4972 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 82 PID 1752 wrote to memory of 2160 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 87 PID 1752 wrote to memory of 2160 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 87 PID 1752 wrote to memory of 2160 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 87 PID 1752 wrote to memory of 1516 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 89 PID 1752 wrote to memory of 1516 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 89 PID 1516 wrote to memory of 2560 1516 cmd.exe 91 PID 1516 wrote to memory of 2560 1516 cmd.exe 91 PID 1752 wrote to memory of 5052 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 92 PID 1752 wrote to memory of 5052 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 92 PID 1752 wrote to memory of 5052 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 92 PID 1752 wrote to memory of 4172 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 94 PID 1752 wrote to memory of 4172 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 94 PID 1752 wrote to memory of 4172 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 94 PID 1752 wrote to memory of 1956 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 96 PID 1752 wrote to memory of 1956 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 96 PID 1752 wrote to memory of 1956 1752 db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be.exe 96 PID 1956 wrote to memory of 1508 1956 csrss.exe 97 PID 1956 wrote to memory of 1508 1956 csrss.exe 97 PID 1956 wrote to memory of 1508 1956 csrss.exe 97 PID 1956 wrote to memory of 1088 1956 csrss.exe 103 PID 1956 wrote to memory of 1088 1956 csrss.exe 103 PID 1956 wrote to memory of 1088 1956 csrss.exe 103 PID 1956 wrote to memory of 1372 1956 csrss.exe 105 PID 1956 wrote to memory of 1372 1956 csrss.exe 105 PID 1956 wrote to memory of 1372 1956 csrss.exe 105 PID 1956 wrote to memory of 1548 1956 csrss.exe 107 PID 1956 wrote to memory of 1548 1956 csrss.exe 107 PID 2160 wrote to memory of 1516 2160 windefender.exe 113 PID 2160 wrote to memory of 1516 2160 windefender.exe 113 PID 2160 wrote to memory of 1516 2160 windefender.exe 113 PID 1516 wrote to memory of 3612 1516 cmd.exe 114 PID 1516 wrote to memory of 3612 1516 cmd.exe 114 PID 1516 wrote to memory of 3612 1516 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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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:4972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1444
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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:1752 -
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:2160
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1516 -
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:2560
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4172
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956 -
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:1508
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3656
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2160 -
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:1516 -
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:3612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:488
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b93616e474fb115e32a86541c267eda
SHA120aceb084c5e0e193695f32ed6bcafe0a13fc64f
SHA256cfc8edf57350c3ecc88c0db76ff10d045b1b2fbf4d41b555b25be59f4409995c
SHA5125d49f8910ddf298e7c751b85019e7cda349ce3440107edd5cb9341833245a26edcf8bb990880c1b26bf9fc586fd5055ed535766258f472912b2985296e85b473
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8e717269ae084c78e070ddca858733c
SHA1d9005727754efca37221ba659c8b228a10a0afe3
SHA25610dc68e10e687637a470c378f9b485431f4ab838c33c864600d1bddb743f85b4
SHA5123f1eb753a092d0720a593a81a0d71a5ae5a29df56839930f0cd78e0ca86ea4b699fa3bc1ff7527fcdb85704e2de0e28274c92715c196c3997299a070ae6aa851
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db9eff031176ad50b3d99cad061400a1
SHA177c49c086f7569fd1340f2791cdfd2652d7c2406
SHA256b6c09da3a8252ab8f670b4ef52fdc31bd62dd0022710cbff2251cd677b8668f7
SHA5120d344710a7adcfd897e6f66d84342a811a27f880871d56a06fa47c16e698aad53f5ea10a0cd60356958dd1289dc3e742da750900de75e532e571018f787a8243
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5832c0c0cdd0d7b5ebc6cea86615cb872
SHA13b020623e4077aa52845cf67fff5e7fe4af1131c
SHA25619f60d358f31cb3f998180ac90b34488444fde19cf7ed83bf4287489312ce6d1
SHA512a824d6b59842b01e8f7fccd4276fc3dbeb9cfc350a9a45f292292af220b9a5820877e8584ac579bc70493e99a1c36ecdbdc306488da20c3e271330c446d00065
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500eb669b706d540b445d71f6bee53282
SHA106b9f6151a60e9b689664dbb26b2ad1747f397f1
SHA256241f217d830736425fbab08e6d908ab9a1771cc23467bf41f6082032c74edf21
SHA512f751baf43dba64e491ceaaaf3c6900bad1a72948786b062a72ee5246018de8be60fa6caf61464bdf425c077098e0a32f2c1026da4d0761696e7f4af16b0851b1
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Filesize
4.1MB
MD52141218187bebb5da6e2a886acd409d0
SHA1a035a64ad204c473c1587b5c93c4465d880da3a0
SHA256db7bd7a5be44dfc5b88ed8725a56b29fc158b1ff6ddb68e9b69a990cc55844be
SHA512c6ed756ea31cd8f655d550aaa7ca7348e7de041c6ad5335498ba27248fc9078b6eeb5c89b9b93b23c84bc41cc479ab3441d6319aef12b6aa5f77edfc35c20c6b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec