Behavioral Report

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2023 16:39

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Report Files Registry Network Processes Mutex Misc

General

Target

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Size

3MB
MD5

e970aa6a5684f796e1b505590a34e63b
SHA1

cb628cc446a7667200c876a939590b63cfa07ff3
SHA256

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475
SHA512

e640663e15564b0286a8cbb7b6959a657fa3a0f169d8f35fb7b59100ba0ea89ad9914b968dcfbc30a49372b1c828aa6beb24a654e4276e5099ecad790324be91
SSDEEP

98304:TorSjpqCjRWs+aS/uZR88eK2ShU0NCUFSNTEaxJepw5ZV/iBQ1O:TfjphtWs+aS/udeLShU0VYTqqxiD

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 2104 created 4652	2104	svchost.exe	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
PID 2104 created 1916	2104	svchost.exe	csrss.exe
PID 2104 created 1916	2104	svchost.exe	csrss.exe
PID 2104 created 1916	2104	svchost.exe	csrss.exe
PID 2104 created 4872	2104	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2104 created 4872	2104	svchost.exe	f801950a962ddba14caaa44bf084b55c.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

TTPs:

Modify Existing Service

Processes:

netsh.exe

pid process

204 netsh.exe
Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

1916 csrss.exe
4476 injector.exe
4872 f801950a962ddba14caaa44bf084b55c.exe

pid	process
204	netsh.exe

pid	process
1916	csrss.exe
4476	injector.exe
4872	f801950a962ddba14caaa44bf084b55c.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x0003000000000725-155.dat	upx
behavioral1/files/0x0003000000000725-156.dat	upx
behavioral1/memory/4872-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/4872-161-0x0000000000400000-0x0000000000C25000-memory.dmp	upx
behavioral1/memory/4872-163-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

TTPs:

Registry Run Keys / Startup Folder Modify Registry

Processes:

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.execsrss.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\""	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.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\""	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

TTPs:

Query Registry

Drops file in Windows directory 2 IoCs

Processes:

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe

description	ioc	process
File opened for modification	C:\Windows\rss	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
File created	C:\Windows\rss\csrss.exe	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

TTPs:

Scheduled Task

Processes:

schtasks.exeschtasks.exe

pid process

3228 schtasks.exe
2332 schtasks.exe

pid	process
3228	schtasks.exe
2332	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.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"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.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"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.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"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exeinjector.execsrss.exe

pid	process
4652	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
4652	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
1916	csrss.exe
1916	csrss.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
1916	csrss.exe
1916	csrss.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe
4476	injector.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4652	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Token: SeImpersonatePrivilege	4652	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
Token: SeTcbPrivilege	2104	svchost.exe
Token: SeTcbPrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeSystemEnvironmentPrivilege	1916	csrss.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe
Token: SeBackupPrivilege	2104	svchost.exe
Token: SeRestorePrivilege	2104	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

svchost.exe54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.execmd.execsrss.exe

description	pid	process	target process
PID 2104 wrote to memory of 3660	2104	svchost.exe	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
PID 2104 wrote to memory of 3660	2104	svchost.exe	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
PID 2104 wrote to memory of 3660	2104	svchost.exe	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe
PID 3660 wrote to memory of 4140	3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe	cmd.exe
PID 3660 wrote to memory of 4140	3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe	cmd.exe
PID 4140 wrote to memory of 204	4140	cmd.exe	netsh.exe
PID 4140 wrote to memory of 204	4140	cmd.exe	netsh.exe
PID 3660 wrote to memory of 1916	3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe	csrss.exe
PID 3660 wrote to memory of 1916	3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe	csrss.exe
PID 3660 wrote to memory of 1916	3660	54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe	csrss.exe
PID 2104 wrote to memory of 3228	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 3228	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 4912	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 4912	2104	svchost.exe	schtasks.exe
PID 1916 wrote to memory of 4476	1916	csrss.exe	injector.exe
PID 1916 wrote to memory of 4476	1916	csrss.exe	injector.exe
PID 2104 wrote to memory of 2332	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 2332	2104	svchost.exe	schtasks.exe
PID 1916 wrote to memory of 4872	1916	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 1916 wrote to memory of 4872	1916	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 1916 wrote to memory of 4872	1916	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2104 wrote to memory of 4188	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 4188	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 4928	2104	svchost.exe	schtasks.exe
PID 2104 wrote to memory of 4928	2104	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe

"C:\Users\Admin\AppData\Local\Temp\54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe"

Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken

PID:4652

C:\Users\Admin\AppData\Local\Temp\54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe

"C:\Users\Admin\AppData\Local\Temp\54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475.exe"

Adds Run key to start application
Drops file in Windows directory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory

PID:3660

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"

Suspicious use of WriteProcessMemory

PID:4140

C:\Windows\system32\netsh.exe

netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes

Modifies Windows Firewall

PID:204

C:\Windows\rss\csrss.exe

C:\Windows\rss\csrss.exe

Executes dropped EXE
Adds Run key to start application
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory

PID:1916

C:\Windows\SYSTEM32\schtasks.exe

schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F

Creates scheduled task(s)

PID:3228

C:\Windows\SYSTEM32\schtasks.exe

schtasks /delete /tn ScheduledUpdate /f

PID:4912

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

Executes dropped EXE
Suspicious behavior: EnumeratesProcesses

PID:4476

C:\Windows\SYSTEM32\schtasks.exe

schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F

Creates scheduled task(s)

PID:2332

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

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

Executes dropped EXE

PID:4872

C:\Windows\SYSTEM32\schtasks.exe

schtasks /delete /tn "csrss" /f

PID:4188

C:\Windows\SYSTEM32\schtasks.exe

schtasks /delete /tn "ScheduledUpdate" /f

PID:4928

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon

Suspicious use of NtCreateUserProcessOtherParentProcess
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory

PID:2104

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Modify Registry

T1112

Discovery

Query Registry

T1012

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Modify Existing Service

T1031

Scheduled Task

T1053

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3MB

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
3MB

MD5
e970aa6a5684f796e1b505590a34e63b

SHA1
cb628cc446a7667200c876a939590b63cfa07ff3

SHA256
54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475

SHA512
e640663e15564b0286a8cbb7b6959a657fa3a0f169d8f35fb7b59100ba0ea89ad9914b968dcfbc30a49372b1c828aa6beb24a654e4276e5099ecad790324be91

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3MB

MD5
e970aa6a5684f796e1b505590a34e63b

SHA1
cb628cc446a7667200c876a939590b63cfa07ff3

SHA256
54c77bdb1fcae4712dabdfb63d9caf1facd30247395152dd0671b5341d2d9475

SHA512
e640663e15564b0286a8cbb7b6959a657fa3a0f169d8f35fb7b59100ba0ea89ad9914b968dcfbc30a49372b1c828aa6beb24a654e4276e5099ecad790324be91

Download Submit
memory/204-138-0x0000000000000000-mapping.dmp

Download
memory/1916-141-0x0000000000000000-mapping.dmp

Download
memory/1916-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/1916-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/1916-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3MB

Download
memory/1916-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/2332-152-0x0000000000000000-mapping.dmp

Download
memory/3228-147-0x0000000000000000-mapping.dmp

Download
memory/3660-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/3660-135-0x0000000000000000-mapping.dmp

Download
memory/3660-139-0x0000000002A08000-0x0000000002DF1000-memory.dmp

Filesize
3MB

Download
memory/3660-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/4140-137-0x0000000000000000-mapping.dmp

Download
memory/4188-159-0x0000000000000000-mapping.dmp

Download
memory/4476-149-0x0000000000000000-mapping.dmp

Download
memory/4652-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/4652-133-0x0000000002F00000-0x0000000003777000-memory.dmp

Filesize
8MB

Download
memory/4652-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8MB

Download
memory/4652-132-0x0000000002B0E000-0x0000000002EF7000-memory.dmp

Filesize
3MB

Download
memory/4872-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8MB

Download
memory/4872-161-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8MB

Download
memory/4872-154-0x0000000000000000-mapping.dmp

Download
memory/4872-163-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8MB

Download
memory/4912-148-0x0000000000000000-mapping.dmp

Download
memory/4928-160-0x0000000000000000-mapping.dmp

Download