Analysis
-
max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2023 05:51
Static task
static1
General
-
Target
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe
-
Size
4.1MB
-
MD5
36a2853761641588521ba701990aaeec
-
SHA1
a55bfcabfd3a9390f0fa8c35d92a894987dfcffd
-
SHA256
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22
-
SHA512
ca3235aad015a2059dffeb4b6aead155c6c53a0e80399dcaee305a536bd2ee42a037bab955e2415a19ac9031cd6fd4bca85e239662440afe13fd94719d1b9230
-
SSDEEP
98304:c2WiC63QUVoC4dkRabWXp2H2LBS/2MnpALy94Gulrqb7w:cX44WabWZ2H2QvnpALym8w
Malware Config
Signatures
-
Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs
Processes:
svchost.exedescription pid process target process PID 4016 created 4972 4016 svchost.exe e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe PID 4016 created 2876 4016 svchost.exe csrss.exe PID 4016 created 2876 4016 svchost.exe csrss.exe PID 4016 created 2876 4016 svchost.exe csrss.exe PID 4016 created 2712 4016 svchost.exe f801950a962ddba14caaa44bf084b55c.exe PID 4016 created 2712 4016 svchost.exe f801950a962ddba14caaa44bf084b55c.exe -
Executes dropped EXE 3 IoCs
Processes:
csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exepid process 2876 csrss.exe 428 injector.exe 2712 f801950a962ddba14caaa44bf084b55c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx behavioral1/memory/2712-158-0x0000000000400000-0x0000000000C25000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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.
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
Drops file in Windows directory 2 IoCs
Processes:
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exedescription ioc process File opened for modification C:\Windows\rss e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe File created C:\Windows\rss\csrss.exe e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 64 IoCs
Processes:
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exee9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exeinjector.execsrss.exepid process 4972 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4972 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 2876 csrss.exe 2876 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 2876 csrss.exe 2876 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 4972 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Token: SeImpersonatePrivilege 4972 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe Token: SeTcbPrivilege 4016 svchost.exe Token: SeTcbPrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeSystemEnvironmentPrivilege 2876 csrss.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe Token: SeBackupPrivilege 4016 svchost.exe Token: SeRestorePrivilege 4016 svchost.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
svchost.exee9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.execmd.execsrss.exedescription pid process target process PID 4016 wrote to memory of 4872 4016 svchost.exe e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe PID 4016 wrote to memory of 4872 4016 svchost.exe e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe PID 4016 wrote to memory of 4872 4016 svchost.exe e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe PID 4872 wrote to memory of 1356 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe cmd.exe PID 4872 wrote to memory of 1356 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe cmd.exe PID 1356 wrote to memory of 2316 1356 cmd.exe netsh.exe PID 1356 wrote to memory of 2316 1356 cmd.exe netsh.exe PID 4872 wrote to memory of 2876 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe csrss.exe PID 4872 wrote to memory of 2876 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe csrss.exe PID 4872 wrote to memory of 2876 4872 e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe csrss.exe PID 4016 wrote to memory of 556 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 556 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 3724 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 3724 4016 svchost.exe schtasks.exe PID 2876 wrote to memory of 428 2876 csrss.exe injector.exe PID 2876 wrote to memory of 428 2876 csrss.exe injector.exe PID 4016 wrote to memory of 4964 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 4964 4016 svchost.exe schtasks.exe PID 2876 wrote to memory of 2712 2876 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 2876 wrote to memory of 2712 2876 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 2876 wrote to memory of 2712 2876 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 4016 wrote to memory of 5044 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 5044 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 2052 4016 svchost.exe schtasks.exe PID 4016 wrote to memory of 2052 4016 svchost.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe"C:\Users\Admin\AppData\Local\Temp\e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe"C:\Users\Admin\AppData\Local\Temp\e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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
-
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
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
-
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
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeFilesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
-
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeFilesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD536a2853761641588521ba701990aaeec
SHA1a55bfcabfd3a9390f0fa8c35d92a894987dfcffd
SHA256e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22
SHA512ca3235aad015a2059dffeb4b6aead155c6c53a0e80399dcaee305a536bd2ee42a037bab955e2415a19ac9031cd6fd4bca85e239662440afe13fd94719d1b9230
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD536a2853761641588521ba701990aaeec
SHA1a55bfcabfd3a9390f0fa8c35d92a894987dfcffd
SHA256e9d43f48c5b6566d07ac0dc0cd62e99d8afe82683938b89977dfe1f549994a22
SHA512ca3235aad015a2059dffeb4b6aead155c6c53a0e80399dcaee305a536bd2ee42a037bab955e2415a19ac9031cd6fd4bca85e239662440afe13fd94719d1b9230
-
memory/428-150-0x0000000000000000-mapping.dmp
-
memory/556-147-0x0000000000000000-mapping.dmp
-
memory/1356-138-0x0000000000000000-mapping.dmp
-
memory/2052-161-0x0000000000000000-mapping.dmp
-
memory/2316-139-0x0000000000000000-mapping.dmp
-
memory/2712-155-0x0000000000000000-mapping.dmp
-
memory/2712-158-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
-
memory/2876-146-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
-
memory/2876-141-0x0000000000000000-mapping.dmp
-
memory/2876-159-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2876-148-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2876-154-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/3724-149-0x0000000000000000-mapping.dmp
-
memory/4872-144-0x00000000029DE000-0x0000000002DC7000-memory.dmpFilesize
3.9MB
-
memory/4872-140-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4872-137-0x00000000029DE000-0x0000000002DC7000-memory.dmpFilesize
3.9MB
-
memory/4872-135-0x0000000000000000-mapping.dmp
-
memory/4872-145-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4964-153-0x0000000000000000-mapping.dmp
-
memory/4972-132-0x0000000002908000-0x0000000002CF1000-memory.dmpFilesize
3.9MB
-
memory/4972-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4972-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4972-133-0x0000000002D00000-0x0000000003577000-memory.dmpFilesize
8.5MB
-
memory/5044-160-0x0000000000000000-mapping.dmp