glupteba | 8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641

General

Target

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Size

4.1MB
MD5

1f879bbd5f1474aaa9a44f6ddea77b36
SHA1

e774754beed989c8425835ed502dedf7cf0d5e46
SHA256

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641
SHA512

9da094410eb39939aae4b9203a6b5387c538645179108a61b57641eb279f5a450d7a389f2dd730b7687baa736df38f2c59ba4e047ad1b8d1a46cb4ffbb3bb4aa
SSDEEP

98304:DIwrsmCoVG+Ld90O6PLXQYEmlxlnN5Dfof1uoInFuqmMQcXB35DC:8wW+LdzATlnN5DQKmRcxo

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 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 2856 created 4972	2856	svchost.exe	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
PID 2856 created 2436	2856	svchost.exe	csrss.exe
PID 2856 created 2436	2856	svchost.exe	csrss.exe
PID 2856 created 2436	2856	svchost.exe	csrss.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

2436 csrss.exe
4428 injector.exe
3132 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1648 netsh.exe

pid	process
2436	csrss.exe
4428	injector.exe
3132	f801950a962ddba14caaa44bf084b55c.exe

pid	process
1648	netsh.exe

UPX packed file 3 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/3132-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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\""	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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:

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe

description	ioc	process
File opened for modification	C:\Windows\rss	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
File created	C:\Windows\rss\csrss.exe	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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

3488 schtasks.exe
2712 schtasks.exe

pid	process
3488	schtasks.exe
2712	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exeinjector.execsrss.exe

pid	process
4972	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
4972	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
2436	csrss.exe
2436	csrss.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
2436	csrss.exe
2436	csrss.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe
4428	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4972	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Token: SeImpersonatePrivilege	4972	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
Token: SeTcbPrivilege	2856	svchost.exe
Token: SeTcbPrivilege	2856	svchost.exe
Token: SeBackupPrivilege	2856	svchost.exe
Token: SeRestorePrivilege	2856	svchost.exe
Token: SeBackupPrivilege	2856	svchost.exe
Token: SeRestorePrivilege	2856	svchost.exe
Token: SeBackupPrivilege	2856	svchost.exe
Token: SeRestorePrivilege	2856	svchost.exe
Token: SeBackupPrivilege	2856	svchost.exe
Token: SeRestorePrivilege	2856	svchost.exe
Token: SeSystemEnvironmentPrivilege	2436	csrss.exe
Token: SeBackupPrivilege	2856	svchost.exe
Token: SeRestorePrivilege	2856	svchost.exe
Token: SeBackupPrivilege	2856	svchost.exe
Token: SeRestorePrivilege	2856	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

svchost.exe8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.execmd.execsrss.exe

description	pid	process	target process
PID 2856 wrote to memory of 1792	2856	svchost.exe	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
PID 2856 wrote to memory of 1792	2856	svchost.exe	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
PID 2856 wrote to memory of 1792	2856	svchost.exe	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
PID 1792 wrote to memory of 3168	1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe	cmd.exe
PID 1792 wrote to memory of 3168	1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe	cmd.exe
PID 3168 wrote to memory of 1648	3168	cmd.exe	netsh.exe
PID 3168 wrote to memory of 1648	3168	cmd.exe	netsh.exe
PID 1792 wrote to memory of 2436	1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe	csrss.exe
PID 1792 wrote to memory of 2436	1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe	csrss.exe
PID 1792 wrote to memory of 2436	1792	8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe	csrss.exe
PID 2856 wrote to memory of 3488	2856	svchost.exe	schtasks.exe
PID 2856 wrote to memory of 3488	2856	svchost.exe	schtasks.exe
PID 2856 wrote to memory of 532	2856	svchost.exe	schtasks.exe
PID 2856 wrote to memory of 532	2856	svchost.exe	schtasks.exe
PID 2436 wrote to memory of 4428	2436	csrss.exe	injector.exe
PID 2436 wrote to memory of 4428	2436	csrss.exe	injector.exe
PID 2856 wrote to memory of 2712	2856	svchost.exe	schtasks.exe
PID 2856 wrote to memory of 2712	2856	svchost.exe	schtasks.exe
PID 2436 wrote to memory of 3132	2436	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2436 wrote to memory of 3132	2436	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 2436 wrote to memory of 3132	2436	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe

C:\Users\Admin\AppData\Local\Temp\8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
"C:\Users\Admin\AppData\Local\Temp\8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972

C:\Users\Admin\AppData\Local\Temp\8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.exe
"C:\Users\Admin\AppData\Local\Temp\8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641.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:1792

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:3168

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:1648

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:2436

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:3488

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:532

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:4428

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:2712

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:3132

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:2856

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\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\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
1f879bbd5f1474aaa9a44f6ddea77b36

SHA1
e774754beed989c8425835ed502dedf7cf0d5e46

SHA256
8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641

SHA512
9da094410eb39939aae4b9203a6b5387c538645179108a61b57641eb279f5a450d7a389f2dd730b7687baa736df38f2c59ba4e047ad1b8d1a46cb4ffbb3bb4aa

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

MD5
1f879bbd5f1474aaa9a44f6ddea77b36

SHA1
e774754beed989c8425835ed502dedf7cf0d5e46

SHA256
8becf6ec63ba2f41b25fad37ee02849d7480dff194607369e8dfd237c0bf0641

SHA512
9da094410eb39939aae4b9203a6b5387c538645179108a61b57641eb279f5a450d7a389f2dd730b7687baa736df38f2c59ba4e047ad1b8d1a46cb4ffbb3bb4aa

Download Submit
memory/532-148-0x0000000000000000-mapping.dmp

Download
memory/1648-140-0x0000000000000000-mapping.dmp

Download
memory/1792-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1792-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1792-135-0x0000000000000000-mapping.dmp

Download
memory/1792-137-0x000000000297C000-0x0000000002D65000-memory.dmp

Filesize
3.9MB

Download
memory/2436-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2436-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2436-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2436-141-0x0000000000000000-mapping.dmp

Download
memory/2436-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2712-152-0x0000000000000000-mapping.dmp

Download
memory/3132-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3132-154-0x0000000000000000-mapping.dmp

Download
memory/3168-139-0x0000000000000000-mapping.dmp

Download
memory/3488-147-0x0000000000000000-mapping.dmp

Download
memory/4428-149-0x0000000000000000-mapping.dmp

Download
memory/4972-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4972-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4972-133-0x0000000002E10000-0x0000000003687000-memory.dmp

Filesize
8.5MB

Download
memory/4972-132-0x0000000002A1F000-0x0000000002E08000-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