Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
03-07-2022 04:52
Static task
static1
Behavioral task
behavioral1
Sample
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe
Resource
win10v2004-20220414-en
General
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Target
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe
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Size
4.4MB
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MD5
c351940469547f3a1db55e6ff9bad043
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SHA1
4c4728a116cff1e26426945a0d5d4bef2780354e
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SHA256
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f
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SHA512
ab38a3e4e1bab29d7ebe195bc688c16d1ee60f29074dd73dd9f88a2ad6bcbf1662491e4b105a5be5e41e88dcbe4cc2f0aaa20bd613d7c43cbe1bc0bb78074887
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
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Glupteba Payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/2540-131-0x00000000030B0000-0x00000000039BA000-memory.dmp family_glupteba behavioral2/memory/2540-132-0x0000000000400000-0x0000000000E43000-memory.dmp family_glupteba behavioral2/memory/2540-134-0x0000000000400000-0x0000000000E43000-memory.dmp family_glupteba behavioral2/memory/3564-136-0x0000000000400000-0x0000000000E43000-memory.dmp family_glupteba behavioral2/memory/3564-142-0x0000000000400000-0x0000000000E43000-memory.dmp family_glupteba behavioral2/memory/2284-144-0x0000000000400000-0x0000000000E43000-memory.dmp family_glupteba behavioral2/memory/2284-146-0x0000000000400000-0x0000000000E43000-memory.dmp family_glupteba -
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
Processes:
svchost.exedescription pid process target process PID 852 created 2540 852 svchost.exe 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe PID 852 created 2284 852 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 2284 csrss.exe 1836 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DelicateSunset = "\"C:\\Windows\\rss\\csrss.exe\"" 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.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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Drops file in System32 directory 8 IoCs
Processes:
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe -
Drops file in Windows directory 2 IoCs
Processes:
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exedescription ioc process File created C:\Windows\rss\csrss.exe 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe File opened for modification C:\Windows\rss 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
Processes:
description flow ioc HTTP User-Agent header 21 Go-http-client/1.1 -
Modifies data under HKEY_USERS 64 IoCs
Processes:
csrss.exe3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" csrss.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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" csrss.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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" csrss.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" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" csrss.exe -
Processes:
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 5c0000000100000004000000001000001900000001000000100000002fe1f70bb05d7c92335bc5e05b984da60f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f63030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e814000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e20000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.execsrss.exeinjector.exepid process 2540 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe 2540 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe 2284 csrss.exe 2284 csrss.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe 1836 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exesvchost.exe3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.execsrss.exedescription pid process Token: SeDebugPrivilege 2540 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Token: SeImpersonatePrivilege 2540 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Token: SeTcbPrivilege 852 svchost.exe Token: SeTcbPrivilege 852 svchost.exe Token: SeSystemEnvironmentPrivilege 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe Token: SeBackupPrivilege 852 svchost.exe Token: SeRestorePrivilege 852 svchost.exe Token: SeBackupPrivilege 852 svchost.exe Token: SeRestorePrivilege 852 svchost.exe Token: SeSystemEnvironmentPrivilege 2284 csrss.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
svchost.exe3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.execmd.execsrss.exedescription pid process target process PID 852 wrote to memory of 3564 852 svchost.exe 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe PID 852 wrote to memory of 3564 852 svchost.exe 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe PID 852 wrote to memory of 3564 852 svchost.exe 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe PID 3564 wrote to memory of 4124 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe cmd.exe PID 3564 wrote to memory of 4124 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe cmd.exe PID 4124 wrote to memory of 3836 4124 cmd.exe netsh.exe PID 4124 wrote to memory of 3836 4124 cmd.exe netsh.exe PID 3564 wrote to memory of 2284 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe csrss.exe PID 3564 wrote to memory of 2284 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe csrss.exe PID 3564 wrote to memory of 2284 3564 3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe csrss.exe PID 852 wrote to memory of 412 852 svchost.exe schtasks.exe PID 852 wrote to memory of 412 852 svchost.exe schtasks.exe PID 2284 wrote to memory of 1836 2284 csrss.exe injector.exe PID 2284 wrote to memory of 1836 2284 csrss.exe injector.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe"C:\Users\Admin\AppData\Local\Temp\3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe"C:\Users\Admin\AppData\Local\Temp\3ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
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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
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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)
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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
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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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\rss\csrss.exeFilesize
4.4MB
MD5c351940469547f3a1db55e6ff9bad043
SHA14c4728a116cff1e26426945a0d5d4bef2780354e
SHA2563ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f
SHA512ab38a3e4e1bab29d7ebe195bc688c16d1ee60f29074dd73dd9f88a2ad6bcbf1662491e4b105a5be5e41e88dcbe4cc2f0aaa20bd613d7c43cbe1bc0bb78074887
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C:\Windows\rss\csrss.exeFilesize
4.4MB
MD5c351940469547f3a1db55e6ff9bad043
SHA14c4728a116cff1e26426945a0d5d4bef2780354e
SHA2563ceac9d8f1234321d9c814095000dde6f3e13a4c93529742dfbaa88e237f1c7f
SHA512ab38a3e4e1bab29d7ebe195bc688c16d1ee60f29074dd73dd9f88a2ad6bcbf1662491e4b105a5be5e41e88dcbe4cc2f0aaa20bd613d7c43cbe1bc0bb78074887
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memory/412-145-0x0000000000000000-mapping.dmp
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memory/1836-147-0x0000000000000000-mapping.dmp
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memory/2284-144-0x0000000000400000-0x0000000000E43000-memory.dmpFilesize
10.3MB
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memory/2284-139-0x0000000000000000-mapping.dmp
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memory/2284-146-0x0000000000400000-0x0000000000E43000-memory.dmpFilesize
10.3MB
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memory/2284-143-0x0000000003000000-0x0000000003430000-memory.dmpFilesize
4.2MB
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memory/2540-131-0x00000000030B0000-0x00000000039BA000-memory.dmpFilesize
9.0MB
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memory/2540-132-0x0000000000400000-0x0000000000E43000-memory.dmpFilesize
10.3MB
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memory/2540-134-0x0000000000400000-0x0000000000E43000-memory.dmpFilesize
10.3MB
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memory/2540-130-0x0000000002C7D000-0x00000000030AD000-memory.dmpFilesize
4.2MB
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memory/3564-133-0x0000000000000000-mapping.dmp
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memory/3564-142-0x0000000000400000-0x0000000000E43000-memory.dmpFilesize
10.3MB
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memory/3564-135-0x0000000002A83000-0x0000000002EB3000-memory.dmpFilesize
4.2MB
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memory/3564-136-0x0000000000400000-0x0000000000E43000-memory.dmpFilesize
10.3MB
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memory/3836-138-0x0000000000000000-mapping.dmp
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memory/4124-137-0x0000000000000000-mapping.dmp