glupteba | 7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25

General

Target

7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Size

4.1MB
MD5

3bc0a894dc99352751812af09471b4d8
SHA1

064182d9f96de1b090ac7a38962305e6573aa611
SHA256

7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25
SHA512

4dca9b828871e081852ba4026bad3ac3e21f7e176121280f889b1fb1e31bcdf40e495745a803fcbd00dc0cd5deaa734cfa8b02260e0c46cf76d1eb954330411b
SSDEEP

98304:tLKvZMtw66uUIzMQ5HHHNvZG+1RKlGdq2UNT2uF5gk:t+6cJIzMQ5HHHJX7dqn6uF5gk

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 3352 created 4944	3352	svchost.exe	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
PID 3352 created 4232	3352	svchost.exe	csrss.exe
PID 3352 created 4232	3352	svchost.exe	csrss.exe
PID 3352 created 4232	3352	svchost.exe	csrss.exe
PID 3352 created 4784	3352	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3352 created 4784	3352	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

4232 csrss.exe
1000 injector.exe
4784 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4144 netsh.exe

pid	process
4232	csrss.exe
1000	injector.exe
4784	f801950a962ddba14caaa44bf084b55c.exe

pid	process
4144	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
behavioral1/memory/4784-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/4784-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/4784-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

csrss.exe7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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:

7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe

description	ioc	process
File opened for modification	C:\Windows\rss	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
File created	C:\Windows\rss\csrss.exe	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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

1712 schtasks.exe
3340 schtasks.exe

pid	process
1712	schtasks.exe
3340	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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,-104 = "Central Brazilian Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exeinjector.execsrss.exe

pid	process
4944	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
4944	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
4232	csrss.exe
4232	csrss.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
4232	csrss.exe
4232	csrss.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe
1000	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4944	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Token: SeImpersonatePrivilege	4944	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
Token: SeTcbPrivilege	3352	svchost.exe
Token: SeTcbPrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeSystemEnvironmentPrivilege	4232	csrss.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe
Token: SeBackupPrivilege	3352	svchost.exe
Token: SeRestorePrivilege	3352	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.execmd.execsrss.exe

description	pid	process	target process
PID 3352 wrote to memory of 3212	3352	svchost.exe	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
PID 3352 wrote to memory of 3212	3352	svchost.exe	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
PID 3352 wrote to memory of 3212	3352	svchost.exe	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
PID 3212 wrote to memory of 4732	3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe	cmd.exe
PID 3212 wrote to memory of 4732	3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe	cmd.exe
PID 4732 wrote to memory of 4144	4732	cmd.exe	netsh.exe
PID 4732 wrote to memory of 4144	4732	cmd.exe	netsh.exe
PID 3212 wrote to memory of 4232	3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe	csrss.exe
PID 3212 wrote to memory of 4232	3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe	csrss.exe
PID 3212 wrote to memory of 4232	3212	7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe	csrss.exe
PID 3352 wrote to memory of 1712	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 1712	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 2608	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 2608	3352	svchost.exe	schtasks.exe
PID 4232 wrote to memory of 1000	4232	csrss.exe	injector.exe
PID 4232 wrote to memory of 1000	4232	csrss.exe	injector.exe
PID 3352 wrote to memory of 3340	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 3340	3352	svchost.exe	schtasks.exe
PID 4232 wrote to memory of 4784	4232	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4232 wrote to memory of 4784	4232	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4232 wrote to memory of 4784	4232	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3352 wrote to memory of 2560	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 2560	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 2056	3352	svchost.exe	schtasks.exe
PID 3352 wrote to memory of 2056	3352	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
"C:\Users\Admin\AppData\Local\Temp\7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4944

C:\Users\Admin\AppData\Local\Temp\7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.exe
"C:\Users\Admin\AppData\Local\Temp\7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25.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:3212

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:4732

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:4144

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:4232

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:1712

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2608

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:1000

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:3340

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:4784

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "csrss" /f
5⤵
PID:2560

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn "ScheduledUpdate" /f
5⤵
PID:2056

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:3352

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

Replay Monitor

Loading Replay Monitor...

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
3bc0a894dc99352751812af09471b4d8

SHA1
064182d9f96de1b090ac7a38962305e6573aa611

SHA256
7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25

SHA512
4dca9b828871e081852ba4026bad3ac3e21f7e176121280f889b1fb1e31bcdf40e495745a803fcbd00dc0cd5deaa734cfa8b02260e0c46cf76d1eb954330411b

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

MD5
3bc0a894dc99352751812af09471b4d8

SHA1
064182d9f96de1b090ac7a38962305e6573aa611

SHA256
7fc9762b88c67839031f5eaa6a8998b11ddfb29818b4e8f57ef49943ebe98a25

SHA512
4dca9b828871e081852ba4026bad3ac3e21f7e176121280f889b1fb1e31bcdf40e495745a803fcbd00dc0cd5deaa734cfa8b02260e0c46cf76d1eb954330411b

Download Submit
memory/1000-149-0x0000000000000000-mapping.dmp

Download
memory/1712-146-0x0000000000000000-mapping.dmp

Download
memory/2056-160-0x0000000000000000-mapping.dmp

Download
memory/2560-159-0x0000000000000000-mapping.dmp

Download
memory/2608-147-0x0000000000000000-mapping.dmp

Download
memory/3212-140-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3212-144-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3212-135-0x0000000000000000-mapping.dmp

Download
memory/3212-139-0x0000000004CB8000-0x00000000050A1000-memory.dmp

Filesize
3.9MB

Download
memory/3340-152-0x0000000000000000-mapping.dmp

Download
memory/4144-138-0x0000000000000000-mapping.dmp

Download
memory/4232-145-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/4232-141-0x0000000000000000-mapping.dmp

Download
memory/4232-148-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4232-153-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4232-158-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4732-137-0x0000000000000000-mapping.dmp

Download
memory/4784-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4784-154-0x0000000000000000-mapping.dmp

Download
memory/4784-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4784-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/4944-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4944-132-0x0000000004D0D000-0x00000000050F6000-memory.dmp

Filesize
3.9MB

Download
memory/4944-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4944-133-0x0000000005100000-0x0000000005977000-memory.dmp

Filesize
8.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads