glupteba | 571dbcce485937d404621dd8df8644911da53cb762f98ccd3d1a3388ef25ad64

General

Target

98b2aa7998aa474d3c4ea9e3e94321b8.exe
Size

4.1MB
MD5

98b2aa7998aa474d3c4ea9e3e94321b8
SHA1

f746aaffab528fab35b16e45dc79977fc7b51b2a
SHA256

571dbcce485937d404621dd8df8644911da53cb762f98ccd3d1a3388ef25ad64
SHA512

c53f28b2fe457f93a12441404c7c3b93b2b7dc98dc60d4e9d31b93f87f59c951729a152f703d53487184c22d7ca074b24d2098987e2d37e5380704abbcddd600
SSDEEP

49152:Y01aXNTrvJAh35FmtfWfV9rgvkGy136MpbM2z6VaUOuFge56gKvUt/LlErQfC9Zi:c9nJgHm+qubM2zUajreHP+Ef+nUPX+GR

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 6 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 868 created 4988	868	svchost.exe	98b2aa7998aa474d3c4ea9e3e94321b8.exe
PID 868 created 3108	868	svchost.exe	csrss.exe
PID 868 created 3108	868	svchost.exe	csrss.exe
PID 868 created 3108	868	svchost.exe	csrss.exe
PID 868 created 3800	868	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 868 created 3800	868	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

3108 csrss.exe
3468 injector.exe
3800 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3908 netsh.exe

pid	process
3108	csrss.exe
3468	injector.exe
3800	f801950a962ddba14caaa44bf084b55c.exe

pid	process
3908	netsh.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
behavioral2/memory/3800-158-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral2/memory/3800-162-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral2/memory/3800-164-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

98b2aa7998aa474d3c4ea9e3e94321b8.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

98b2aa7998aa474d3c4ea9e3e94321b8.exe

description	ioc	process
File opened for modification	C:\Windows\rss	98b2aa7998aa474d3c4ea9e3e94321b8.exe
File created	C:\Windows\rss\csrss.exe	98b2aa7998aa474d3c4ea9e3e94321b8.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4256 4108 WerFault.exe 98b2aa7998aa474d3c4ea9e3e94321b8.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

4888 schtasks.exe
4504 schtasks.exe

pid	pid_target	process	target process
4256	4108	WerFault.exe	98b2aa7998aa474d3c4ea9e3e94321b8.exe

pid	process
4888	schtasks.exe
4504	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

98b2aa7998aa474d3c4ea9e3e94321b8.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.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"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	98b2aa7998aa474d3c4ea9e3e94321b8.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"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	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)"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

98b2aa7998aa474d3c4ea9e3e94321b8.exe98b2aa7998aa474d3c4ea9e3e94321b8.exeinjector.execsrss.exe

pid	process
4988	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4988	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3108	csrss.exe
3108	csrss.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3108	csrss.exe
3108	csrss.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe
3468	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

98b2aa7998aa474d3c4ea9e3e94321b8.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4988	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Token: SeImpersonatePrivilege	4988	98b2aa7998aa474d3c4ea9e3e94321b8.exe
Token: SeTcbPrivilege	868	svchost.exe
Token: SeTcbPrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeSystemEnvironmentPrivilege	3108	csrss.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe
Token: SeBackupPrivilege	868	svchost.exe
Token: SeRestorePrivilege	868	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe98b2aa7998aa474d3c4ea9e3e94321b8.execmd.execsrss.exe

description	pid	process	target process
PID 868 wrote to memory of 4108	868	svchost.exe	98b2aa7998aa474d3c4ea9e3e94321b8.exe
PID 868 wrote to memory of 4108	868	svchost.exe	98b2aa7998aa474d3c4ea9e3e94321b8.exe
PID 868 wrote to memory of 4108	868	svchost.exe	98b2aa7998aa474d3c4ea9e3e94321b8.exe
PID 4108 wrote to memory of 1800	4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe	cmd.exe
PID 4108 wrote to memory of 1800	4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe	cmd.exe
PID 1800 wrote to memory of 3908	1800	cmd.exe	netsh.exe
PID 1800 wrote to memory of 3908	1800	cmd.exe	netsh.exe
PID 4108 wrote to memory of 3108	4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe	csrss.exe
PID 4108 wrote to memory of 3108	4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe	csrss.exe
PID 4108 wrote to memory of 3108	4108	98b2aa7998aa474d3c4ea9e3e94321b8.exe	csrss.exe
PID 868 wrote to memory of 4888	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 4888	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 2040	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 2040	868	svchost.exe	schtasks.exe
PID 3108 wrote to memory of 3468	3108	csrss.exe	injector.exe
PID 3108 wrote to memory of 3468	3108	csrss.exe	injector.exe
PID 868 wrote to memory of 4504	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 4504	868	svchost.exe	schtasks.exe
PID 3108 wrote to memory of 3800	3108	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3108 wrote to memory of 3800	3108	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3108 wrote to memory of 3800	3108	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 868 wrote to memory of 4552	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 4552	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 3448	868	svchost.exe	schtasks.exe
PID 868 wrote to memory of 3448	868	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\98b2aa7998aa474d3c4ea9e3e94321b8.exe
"C:\Users\Admin\AppData\Local\Temp\98b2aa7998aa474d3c4ea9e3e94321b8.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4988

C:\Users\Admin\AppData\Local\Temp\98b2aa7998aa474d3c4ea9e3e94321b8.exe
"C:\Users\Admin\AppData\Local\Temp\98b2aa7998aa474d3c4ea9e3e94321b8.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4108

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:1800

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:3908

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2040

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:4888

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3468

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:4504

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:3800

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:4552

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 772
3⤵
- Program crash
PID:4256

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:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4108 -ip 4108
1⤵
PID:2680

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

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
Filesize
99KB

MD5
09031a062610d77d685c9934318b4170

SHA1
880f744184e7774f3d14c1bb857e21cc7fe89a6d

SHA256
778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd

SHA512
9a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
98b2aa7998aa474d3c4ea9e3e94321b8

SHA1
f746aaffab528fab35b16e45dc79977fc7b51b2a

SHA256
571dbcce485937d404621dd8df8644911da53cb762f98ccd3d1a3388ef25ad64

SHA512
c53f28b2fe457f93a12441404c7c3b93b2b7dc98dc60d4e9d31b93f87f59c951729a152f703d53487184c22d7ca074b24d2098987e2d37e5380704abbcddd600

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
98b2aa7998aa474d3c4ea9e3e94321b8

SHA1
f746aaffab528fab35b16e45dc79977fc7b51b2a

SHA256
571dbcce485937d404621dd8df8644911da53cb762f98ccd3d1a3388ef25ad64

SHA512
c53f28b2fe457f93a12441404c7c3b93b2b7dc98dc60d4e9d31b93f87f59c951729a152f703d53487184c22d7ca074b24d2098987e2d37e5380704abbcddd600

Download Submit
memory/1800-138-0x0000000000000000-mapping.dmp

Download
memory/2040-149-0x0000000000000000-mapping.dmp

Download
memory/3108-159-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3108-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3108-142-0x0000000000000000-mapping.dmp

Download
memory/3108-146-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/3108-147-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3448-161-0x0000000000000000-mapping.dmp

Download
memory/3468-150-0x0000000000000000-mapping.dmp

Download
memory/3800-162-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3800-155-0x0000000000000000-mapping.dmp

Download
memory/3800-158-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3800-164-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3908-139-0x0000000000000000-mapping.dmp

Download
memory/4108-140-0x0000000002AD1000-0x0000000002EBA000-memory.dmp

Filesize
3.9MB

Download
memory/4108-145-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4108-135-0x0000000000000000-mapping.dmp

Download
memory/4108-141-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4504-153-0x0000000000000000-mapping.dmp

Download
memory/4552-160-0x0000000000000000-mapping.dmp

Download
memory/4888-148-0x0000000000000000-mapping.dmp

Download
memory/4988-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4988-132-0x000000000296B000-0x0000000002D54000-memory.dmp

Filesize
3.9MB

Download
memory/4988-137-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4988-133-0x0000000002D60000-0x00000000035D7000-memory.dmp

Filesize
8.5MB

Download
memory/4988-136-0x000000000296B000-0x0000000002D54000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads