glupteba | e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 02:44

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General

Target

JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Size

4.1MB
MD5

01ded113df416acf6ec1e48dd483086b
SHA1

b6b1531597c4c7c7ebeeeb43b123db625bd1934b
SHA256

e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c
SHA512

3ca24dd43cd4055e88f9ca1544d3e5780f7c3b8c95432140808be5e3f7010540adfe5d477c6e39052e25568dde7bd2da29267c9477f50100145201f72a1a9c5e
SSDEEP

98304:UhfBqWpEXIJh2qvGAwaOc3uqUn//hFp9wSMUpwfVjPV:0fITArwLyUn//hFp9wSBifVjPV

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/1600-2-0x0000000003000000-0x0000000003876000-memory.dmp	family_glupteba
behavioral2/memory/1600-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1600-4-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1600-5-0x0000000003000000-0x0000000003876000-memory.dmp	family_glupteba
behavioral2/memory/368-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/368-14-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3476-33-0x0000000000400000-0x0000000000C91000-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
4392	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3476	csrss.exe
3600	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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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
45	raw.githubusercontent.com
46	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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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 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

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	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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,-842 = "Argentina Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.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,-11 = "Azores Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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,-491 = "India Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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,-3051 = "Qyzylorda Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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
2800	schtasks.exe
4632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1600	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
1600	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3476	csrss.exe
3476	csrss.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3476	csrss.exe
3476	csrss.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe
3600	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Token: SeImpersonatePrivilege	1600	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
Token: SeSystemEnvironmentPrivilege	3476	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 4720	368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe	95
PID 368 wrote to memory of 4720	368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe	95
PID 4720 wrote to memory of 4392	4720	cmd.exe	97
PID 4720 wrote to memory of 4392	4720	cmd.exe	97
PID 368 wrote to memory of 3476	368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe	98
PID 368 wrote to memory of 3476	368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe	98
PID 368 wrote to memory of 3476	368	JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe	98
PID 3476 wrote to memory of 3600	3476	csrss.exe	105
PID 3476 wrote to memory of 3600	3476	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\JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c.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:368
- - 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:4720
  - - 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:4392
- - 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:3476
  - - 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:2800
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:64
  - - 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:3600
  - - 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: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
01ded113df416acf6ec1e48dd483086b

SHA1
b6b1531597c4c7c7ebeeeb43b123db625bd1934b

SHA256
e5cd798854af69644fcc91b8a982cb5f66a55bb9f3f61b2d8a2865af4ecfc40c

SHA512
3ca24dd43cd4055e88f9ca1544d3e5780f7c3b8c95432140808be5e3f7010540adfe5d477c6e39052e25568dde7bd2da29267c9477f50100145201f72a1a9c5e

Download Submit
memory/368-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/368-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/368-14-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1600-1-0x0000000002C10000-0x0000000003000000-memory.dmp

Filesize
3.9MB

Download
memory/1600-2-0x0000000003000000-0x0000000003876000-memory.dmp

Filesize
8.5MB

Download
memory/1600-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1600-4-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1600-5-0x0000000003000000-0x0000000003876000-memory.dmp

Filesize
8.5MB

Download
memory/3476-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3476-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download