glupteba | 11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 23:36

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General

Target

JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Size

4.1MB
MD5

20304b07228b8a1020585f32a7c4de65
SHA1

f42cbf1cbd18716ba673308602ae00021616d474
SHA256

11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b
SHA512

c0b764256be78fe274a11567fe9948b8f2cb706188ebee86198cbc2edd2857d71edf2770f41b13d29196aadd6eb877d74aba44f87c02afcfb154552171fca2a9
SSDEEP

98304:/gtngoTZWJcYetoYCAaQ8e3QXG3sxTYGUv1sbklnX:olNmv8oYCAaQ8eQW3NGTkF

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/3184-2-0x0000000005180000-0x00000000059F7000-memory.dmp	family_glupteba
behavioral2/memory/3184-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3184-6-0x0000000005180000-0x00000000059F7000-memory.dmp	family_glupteba
behavioral2/memory/3184-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3184-4-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/1060-12-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-20-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-21-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-22-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-23-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-24-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-25-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-26-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-27-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-28-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-29-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-30-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-31-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2076-32-0x0000000000400000-0x000000000300A000-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
1644	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2076	csrss.exe
4024	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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
96	raw.githubusercontent.com
97	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_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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,-2392 = "Aleutian Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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,-141 = "Canada Central Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.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_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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,-391 = "Arab Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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,-2041 = "Eastern Daylight Time (Mexico)"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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,-52 = "Greenland Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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,-651 = "AUS Central Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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
4872	schtasks.exe
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3184	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
3184	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
2076	csrss.exe
2076	csrss.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
2076	csrss.exe
2076	csrss.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe
4024	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Token: SeImpersonatePrivilege	3184	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
Token: SeSystemEnvironmentPrivilege	2076	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 312	1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe	87
PID 1060 wrote to memory of 312	1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe	87
PID 312 wrote to memory of 1644	312	cmd.exe	89
PID 312 wrote to memory of 1644	312	cmd.exe	89
PID 1060 wrote to memory of 2076	1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe	90
PID 1060 wrote to memory of 2076	1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe	90
PID 1060 wrote to memory of 2076	1060	JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe	90
PID 2076 wrote to memory of 4024	2076	csrss.exe	97
PID 2076 wrote to memory of 4024	2076	csrss.exe	97

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_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3184
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b.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:1060
- - 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:312
  - - 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:1644
- - 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:2076
  - - 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:4872
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4988
  - - 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:4024
  - - 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:2900

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
20304b07228b8a1020585f32a7c4de65

SHA1
f42cbf1cbd18716ba673308602ae00021616d474

SHA256
11ae20492d60c329021fcf1ec65cb061c7cda80c36ec19f63de27fe1ed71073b

SHA512
c0b764256be78fe274a11567fe9948b8f2cb706188ebee86198cbc2edd2857d71edf2770f41b13d29196aadd6eb877d74aba44f87c02afcfb154552171fca2a9

Download Submit
memory/1060-8-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/1060-12-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-25-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-27-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-32-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-31-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-30-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-29-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-20-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-21-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-22-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-23-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-24-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-28-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2076-26-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/3184-4-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/3184-1-0x0000000003770000-0x0000000003B67000-memory.dmp

Filesize
4.0MB

Download
memory/3184-2-0x0000000005180000-0x00000000059F7000-memory.dmp

Filesize
8.5MB

Download
memory/3184-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3184-6-0x0000000005180000-0x00000000059F7000-memory.dmp

Filesize
8.5MB

Download
memory/3184-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download