glupteba | eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 18:45

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General

Target

JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Size

4.1MB
MD5

a0e4153101e2be87cf859632217059cd
SHA1

d720dbbc37f3f9ef30a90718bd65fc9fbf44aa7d
SHA256

eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952
SHA512

82e420f811ecf80b367376090988aace9d65db4988a6d0d154df189a4c1f6b76238430318947562a3b2d8160bc75d10dbd69bd40937a361932de7bc77d0c1982
SSDEEP

98304:h+NISedYYziDfOn0oChAzTl6f1JbvVLpx:wNIShNOnK2zstJbvF

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 20 IoCs

resource	yara_rule
behavioral2/memory/3876-2-0x0000000003020000-0x0000000003896000-memory.dmp	family_glupteba
behavioral2/memory/3876-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3876-5-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3876-6-0x0000000003020000-0x0000000003896000-memory.dmp	family_glupteba
behavioral2/memory/4540-9-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4540-15-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-17-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-34-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1652-35-0x0000000000400000-0x0000000000C91000-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
1844	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1652	csrss.exe
4916	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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
55	raw.githubusercontent.com
54	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_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3424	4540	WerFault.exe	86

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_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.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,-2431 = "Cuba Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	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"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.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_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.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,-892 = "Morocco Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.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_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	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"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	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
3784	schtasks.exe
1692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3876	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
3876	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
1652	csrss.exe
1652	csrss.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
1652	csrss.exe
1652	csrss.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe
4916	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3876	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Token: SeImpersonatePrivilege	3876	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
Token: SeSystemEnvironmentPrivilege	1652	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 1808	4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe	87
PID 4540 wrote to memory of 1808	4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe	87
PID 1808 wrote to memory of 1844	1808	cmd.exe	89
PID 1808 wrote to memory of 1844	1808	cmd.exe	89
PID 4540 wrote to memory of 1652	4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe	90
PID 4540 wrote to memory of 1652	4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe	90
PID 4540 wrote to memory of 1652	4540	JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe	90
PID 1652 wrote to memory of 4916	1652	csrss.exe	101
PID 1652 wrote to memory of 4916	1652	csrss.exe	101

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_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3876
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952.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:4540
- - 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:1808
  - - 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:1844
- - 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:1652
  - - 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:3784
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:800
  - - 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:4916
  - - 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:1692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 848
    3⤵
    - Program crash
    PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4540 -ip 4540
1⤵
PID:4632

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
a0e4153101e2be87cf859632217059cd

SHA1
d720dbbc37f3f9ef30a90718bd65fc9fbf44aa7d

SHA256
eabe000a624536867a20ef1adc5423ff92ac218f0e4eabc7652644a0d3a59952

SHA512
82e420f811ecf80b367376090988aace9d65db4988a6d0d154df189a4c1f6b76238430318947562a3b2d8160bc75d10dbd69bd40937a361932de7bc77d0c1982

Download Submit
memory/1652-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-17-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-35-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1652-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3876-1-0x0000000002C20000-0x0000000003011000-memory.dmp

Filesize
3.9MB

Download
memory/3876-2-0x0000000003020000-0x0000000003896000-memory.dmp

Filesize
8.5MB

Download
memory/3876-5-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3876-6-0x0000000003020000-0x0000000003896000-memory.dmp

Filesize
8.5MB

Download
memory/3876-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4540-15-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4540-9-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4540-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download