Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2022 12:24
Static task
static1
General
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Target
0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe
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Size
4.0MB
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MD5
e2f0aad867ba6736ab02bb804a2eeb4c
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SHA1
f5b2d67201ba4dcc731daadab420bdd26bd721fc
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SHA256
0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a
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SHA512
984480ad63798d316eba5ce306b02ae15dac2c2470576194406957c233803eaf44472597e92ac881cbdad1ca6d10db0cead22ffbf3ceb1254d741b63ed3a860a
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SSDEEP
98304:3NmOf2aYQHUFoNQWAonhkaKmLNUTkgy71fDfUxZAMLZyvd:9mOBHUFoaWfnCmZv7lDMZZZA
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 100 created 5044 100 svchost.exe 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe PID 100 created 4816 100 svchost.exe csrss.exe PID 100 created 4816 100 svchost.exe csrss.exe PID 100 created 4816 100 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 4816 csrss.exe 3404 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.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\"" csrss.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\"" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.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 Windows directory 2 IoCs
Processes:
0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exedescription ioc process File opened for modification C:\Windows\rss 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe File created C:\Windows\rss\csrss.exe 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.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" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.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" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exeinjector.execsrss.exepid process 5044 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 5044 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 4816 csrss.exe 4816 csrss.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 4816 csrss.exe 4816 csrss.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe 3404 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 5044 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Token: SeImpersonatePrivilege 5044 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe Token: SeTcbPrivilege 100 svchost.exe Token: SeTcbPrivilege 100 svchost.exe Token: SeBackupPrivilege 100 svchost.exe Token: SeRestorePrivilege 100 svchost.exe Token: SeBackupPrivilege 100 svchost.exe Token: SeRestorePrivilege 100 svchost.exe Token: SeSystemEnvironmentPrivilege 4816 csrss.exe Token: SeBackupPrivilege 100 svchost.exe Token: SeRestorePrivilege 100 svchost.exe Token: SeBackupPrivilege 100 svchost.exe Token: SeRestorePrivilege 100 svchost.exe Token: SeBackupPrivilege 100 svchost.exe Token: SeRestorePrivilege 100 svchost.exe Token: SeBackupPrivilege 100 svchost.exe Token: SeRestorePrivilege 100 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.execmd.execsrss.exedescription pid process target process PID 100 wrote to memory of 4080 100 svchost.exe 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe PID 100 wrote to memory of 4080 100 svchost.exe 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe PID 100 wrote to memory of 4080 100 svchost.exe 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe PID 4080 wrote to memory of 816 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe cmd.exe PID 4080 wrote to memory of 816 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe cmd.exe PID 816 wrote to memory of 2868 816 cmd.exe netsh.exe PID 816 wrote to memory of 2868 816 cmd.exe netsh.exe PID 4080 wrote to memory of 4816 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe csrss.exe PID 4080 wrote to memory of 4816 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe csrss.exe PID 4080 wrote to memory of 4816 4080 0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe csrss.exe PID 100 wrote to memory of 796 100 svchost.exe schtasks.exe PID 100 wrote to memory of 796 100 svchost.exe schtasks.exe PID 100 wrote to memory of 3756 100 svchost.exe schtasks.exe PID 100 wrote to memory of 3756 100 svchost.exe schtasks.exe PID 4816 wrote to memory of 3404 4816 csrss.exe injector.exe PID 4816 wrote to memory of 3404 4816 csrss.exe injector.exe PID 100 wrote to memory of 3204 100 svchost.exe schtasks.exe PID 100 wrote to memory of 3204 100 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe"C:\Users\Admin\AppData\Local\Temp\0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.exe"C:\Users\Admin\AppData\Local\Temp\0104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a.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
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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.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- 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:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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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\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:\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
4.0MB
MD5e2f0aad867ba6736ab02bb804a2eeb4c
SHA1f5b2d67201ba4dcc731daadab420bdd26bd721fc
SHA2560104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a
SHA512984480ad63798d316eba5ce306b02ae15dac2c2470576194406957c233803eaf44472597e92ac881cbdad1ca6d10db0cead22ffbf3ceb1254d741b63ed3a860a
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD5e2f0aad867ba6736ab02bb804a2eeb4c
SHA1f5b2d67201ba4dcc731daadab420bdd26bd721fc
SHA2560104e2b9f8bc767d5cad63c985673e6300ea81dbff98ffa8359f8f6fb33e385a
SHA512984480ad63798d316eba5ce306b02ae15dac2c2470576194406957c233803eaf44472597e92ac881cbdad1ca6d10db0cead22ffbf3ceb1254d741b63ed3a860a
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memory/796-147-0x0000000000000000-mapping.dmp
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memory/816-137-0x0000000000000000-mapping.dmp
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memory/2868-138-0x0000000000000000-mapping.dmp
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memory/3204-152-0x0000000000000000-mapping.dmp
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memory/3404-149-0x0000000000000000-mapping.dmp
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memory/3756-148-0x0000000000000000-mapping.dmp
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memory/4080-139-0x000000000290A000-0x0000000002CF3000-memory.dmpFilesize
3.9MB
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memory/4080-140-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4080-135-0x0000000000000000-mapping.dmp
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memory/4080-144-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4816-141-0x0000000000000000-mapping.dmp
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memory/4816-146-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4816-145-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
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memory/4816-153-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-132-0x0000000002A9D000-0x0000000002E86000-memory.dmpFilesize
3.9MB
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memory/5044-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-133-0x0000000002E90000-0x0000000003706000-memory.dmpFilesize
8.5MB
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memory/5044-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB