glupteba | 8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059

General

Target

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Size

4.0MB
MD5

6ce2d82ab23c2a4ee185fdb2976d870c
SHA1

2526dd220730999aa0e3b8dce5d068c6447cdc34
SHA256

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059
SHA512

868d2ec105955e325803726df56d4a88fdac84fa9b7a6efce17228bb96063cb52034612fe0060a4e5b889ea2c2239ee5c8dcd1aa3358be4b315d41e692a3ceea
SSDEEP

98304:tp7UEe1KFrnRyCkTd49v55wA6Il+uRJEMaq4nM0W04pEJ9:tpoxOrRyCo49Lj6aEMj0t

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

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 4528 created 1436	4528	svchost.exe	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
PID 4528 created 4788	4528	svchost.exe	csrss.exe
PID 4528 created 4788	4528	svchost.exe	csrss.exe
PID 4528 created 4788	4528	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4788 csrss.exe
4220 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3080 netsh.exe

pid	process
4788	csrss.exe
4220	injector.exe

pid	process
3080	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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

Drops file in Windows directory 2 IoCs

Processes:

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe

description	ioc	process
File opened for modification	C:\Windows\rss	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
File created	C:\Windows\rss\csrss.exe	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.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

2272 schtasks.exe
1816 schtasks.exe

pid	process
2272	schtasks.exe
1816	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.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"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.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"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.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"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.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"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exeinjector.execsrss.exe

pid	process
1436	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
1436	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4788	csrss.exe
4788	csrss.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4788	csrss.exe
4788	csrss.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe
4220	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1436	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Token: SeImpersonatePrivilege	1436	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
Token: SeTcbPrivilege	4528	svchost.exe
Token: SeTcbPrivilege	4528	svchost.exe
Token: SeBackupPrivilege	4528	svchost.exe
Token: SeRestorePrivilege	4528	svchost.exe
Token: SeBackupPrivilege	4528	svchost.exe
Token: SeRestorePrivilege	4528	svchost.exe
Token: SeBackupPrivilege	4528	svchost.exe
Token: SeRestorePrivilege	4528	svchost.exe
Token: SeBackupPrivilege	4528	svchost.exe
Token: SeRestorePrivilege	4528	svchost.exe
Token: SeSystemEnvironmentPrivilege	4788	csrss.exe
Token: SeBackupPrivilege	4528	svchost.exe
Token: SeRestorePrivilege	4528	svchost.exe
Token: SeBackupPrivilege	4528	svchost.exe
Token: SeRestorePrivilege	4528	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.execmd.execsrss.exe

description	pid	process	target process
PID 4528 wrote to memory of 2140	4528	svchost.exe	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
PID 4528 wrote to memory of 2140	4528	svchost.exe	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
PID 4528 wrote to memory of 2140	4528	svchost.exe	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
PID 2140 wrote to memory of 3780	2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe	cmd.exe
PID 2140 wrote to memory of 3780	2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe	cmd.exe
PID 3780 wrote to memory of 3080	3780	cmd.exe	netsh.exe
PID 3780 wrote to memory of 3080	3780	cmd.exe	netsh.exe
PID 2140 wrote to memory of 4788	2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe	csrss.exe
PID 2140 wrote to memory of 4788	2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe	csrss.exe
PID 2140 wrote to memory of 4788	2140	8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe	csrss.exe
PID 4528 wrote to memory of 2272	4528	svchost.exe	schtasks.exe
PID 4528 wrote to memory of 2272	4528	svchost.exe	schtasks.exe
PID 4528 wrote to memory of 3640	4528	svchost.exe	schtasks.exe
PID 4528 wrote to memory of 3640	4528	svchost.exe	schtasks.exe
PID 4788 wrote to memory of 4220	4788	csrss.exe	injector.exe
PID 4788 wrote to memory of 4220	4788	csrss.exe	injector.exe
PID 4528 wrote to memory of 1816	4528	svchost.exe	schtasks.exe
PID 4528 wrote to memory of 1816	4528	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
"C:\Users\Admin\AppData\Local\Temp\8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1436

C:\Users\Admin\AppData\Local\Temp\8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.exe
"C:\Users\Admin\AppData\Local\Temp\8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059.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:2140

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:3780

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:3080

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788

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:2272

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3640

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:4220

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:1816

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:4528

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\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
4.0MB

MD5
6ce2d82ab23c2a4ee185fdb2976d870c

SHA1
2526dd220730999aa0e3b8dce5d068c6447cdc34

SHA256
8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059

SHA512
868d2ec105955e325803726df56d4a88fdac84fa9b7a6efce17228bb96063cb52034612fe0060a4e5b889ea2c2239ee5c8dcd1aa3358be4b315d41e692a3ceea

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.0MB

MD5
6ce2d82ab23c2a4ee185fdb2976d870c

SHA1
2526dd220730999aa0e3b8dce5d068c6447cdc34

SHA256
8467d261c7f6e52faa3985bdd9bd05dace0793b60d780a4cb5bcc3b8a01b6059

SHA512
868d2ec105955e325803726df56d4a88fdac84fa9b7a6efce17228bb96063cb52034612fe0060a4e5b889ea2c2239ee5c8dcd1aa3358be4b315d41e692a3ceea

Download Submit
memory/1436-136-0x0000000003060000-0x00000000038D6000-memory.dmp

Filesize
8.5MB

Download
memory/1436-132-0x0000000002C6A000-0x0000000003053000-memory.dmp

Filesize
3.9MB

Download
memory/1436-133-0x0000000003060000-0x00000000038D6000-memory.dmp

Filesize
8.5MB

Download
memory/1436-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1436-137-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1816-153-0x0000000000000000-mapping.dmp

Download
memory/2140-135-0x0000000000000000-mapping.dmp

Download
memory/2140-145-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2140-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2140-138-0x0000000002939000-0x0000000002D22000-memory.dmp

Filesize
3.9MB

Download
memory/2272-148-0x0000000000000000-mapping.dmp

Download
memory/3080-141-0x0000000000000000-mapping.dmp

Download
memory/3640-149-0x0000000000000000-mapping.dmp

Download
memory/3780-140-0x0000000000000000-mapping.dmp

Download
memory/4220-150-0x0000000000000000-mapping.dmp

Download
memory/4788-142-0x0000000000000000-mapping.dmp

Download
memory/4788-147-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4788-146-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4788-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads