glupteba | c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 00:41

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General

Target

JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Size

4.1MB
MD5

d69fbf22f7a4e6c26945f2ae3ccf0872
SHA1

98e5808a01f9ff2bb100b132ca23125d7f104c3f
SHA256

c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96
SHA512

93abf1f4384b68fb71f380a429eb08ced73f7faecc68af6c894cdde7066cd18b8a12c87cba42744238d4b6bcf42dd4a31e43af1d067debbbc21ba52711630180
SSDEEP

98304:SJIThC5S2ryI1UtH/zFXwoKRjZr5DGpNDKChxNVDcrRT0SfIDk:8IT4E2GI1UpzFXHeZVDGLDKChx3cl4Sz

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation rootkit

Malware Config

Signatures

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

Glupteba payload 19 IoCs

resource	yara_rule
behavioral2/memory/4972-2-0x0000000005070000-0x00000000058E7000-memory.dmp	family_glupteba
behavioral2/memory/4972-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4972-6-0x0000000005070000-0x00000000058E7000-memory.dmp	family_glupteba
behavioral2/memory/4972-4-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/4972-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/5032-14-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-20-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-21-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-22-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-23-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-24-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-25-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-26-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-27-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-28-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-29-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-30-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-31-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/3888-32-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2516	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3888	csrss.exe
4920	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
43	raw.githubusercontent.com
44	raw.githubusercontent.com

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

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	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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,-2001 = "Cabo Verde Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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,-281 = "Central Europe Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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,-1972 = "Belarus Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.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
1212	schtasks.exe
5044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4972	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
4972	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
3888	csrss.exe
3888	csrss.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
3888	csrss.exe
3888	csrss.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe
4920	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Token: SeImpersonatePrivilege	4972	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
Token: SeSystemEnvironmentPrivilege	3888	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2944	5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe	90
PID 5032 wrote to memory of 2944	5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe	90
PID 2944 wrote to memory of 2516	2944	cmd.exe	94
PID 2944 wrote to memory of 2516	2944	cmd.exe	94
PID 5032 wrote to memory of 3888	5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe	96
PID 5032 wrote to memory of 3888	5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe	96
PID 5032 wrote to memory of 3888	5032	JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe	96
PID 3888 wrote to memory of 4920	3888	csrss.exe	106
PID 3888 wrote to memory of 4920	3888	csrss.exe	106

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\JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96.exe"
  2⤵
  - 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
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5032
- - 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:2944
  - - 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
      Event Triggered Execution: Netsh Helper DLL
      PID:2516
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - 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:3888
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5044
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4340
  - - 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:4920
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1212

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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
d69fbf22f7a4e6c26945f2ae3ccf0872

SHA1
98e5808a01f9ff2bb100b132ca23125d7f104c3f

SHA256
c6636e3a826f78728e48fde1bd45af7c321ce4e92356350eb0ca121b807c5a96

SHA512
93abf1f4384b68fb71f380a429eb08ced73f7faecc68af6c894cdde7066cd18b8a12c87cba42744238d4b6bcf42dd4a31e43af1d067debbbc21ba52711630180

Download Submit
memory/3888-25-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-28-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-32-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-31-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-30-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-29-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-27-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-26-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-20-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-21-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-22-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-23-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/3888-24-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/4972-1-0x00000000033D0000-0x00000000037C6000-memory.dmp

Filesize
4.0MB

Download
memory/4972-2-0x0000000005070000-0x00000000058E7000-memory.dmp

Filesize
8.5MB

Download
memory/4972-6-0x0000000005070000-0x00000000058E7000-memory.dmp

Filesize
8.5MB

Download
memory/4972-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4972-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4972-4-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/5032-14-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/5032-8-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download