glupteba | 8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576

Analysis

max time kernel
149s
max time network
143s
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 08:41

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General

Target

JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Size

4.0MB
MD5

6b2756da606d050c95223bfbacd7d667
SHA1

b455edec2dfec72b04eb66ead1eeac8e3d664bd2
SHA256

8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576
SHA512

2e1fc05824d4fb71d577b4ebbce0b46e80b72b86ccd7eeb1f1b1ef7cafb10ad0313a2c1bd1be9539c705288c074b65b2e972fcdcc9027ec17d4161dead79f289
SSDEEP

98304:8W+d9/oWo4FSaef6g1PnNsyeJXcbb7Rt/D1oh79O:8V/oz4F+XsXJXkt/5oDO

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/1296-2-0x00000000030E0000-0x0000000003956000-memory.dmp	family_glupteba
behavioral2/memory/1296-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1296-4-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1296-5-0x00000000030E0000-0x0000000003956000-memory.dmp	family_glupteba
behavioral2/memory/3040-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3040-14-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/4968-34-0x0000000000400000-0x0000000000C91000-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
3988	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4968	csrss.exe
5108	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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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
47	raw.githubusercontent.com
48	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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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,-1661 = "Bahia Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.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,-461 = "Afghanistan Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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,-162 = "Central Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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,-591 = "Malay Peninsula Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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,-2162 = "Altai Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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,-2492 = "Aus Central W. Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-2391 = "Aleutian Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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,-721 = "Central Pacific Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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,-841 = "Argentina Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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
5096	schtasks.exe
1348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1296	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
1296	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
4968	csrss.exe
4968	csrss.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
4968	csrss.exe
4968	csrss.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe
5108	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Token: SeImpersonatePrivilege	1296	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
Token: SeSystemEnvironmentPrivilege	4968	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 4376	3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe	87
PID 3040 wrote to memory of 4376	3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe	87
PID 4376 wrote to memory of 3988	4376	cmd.exe	89
PID 4376 wrote to memory of 3988	4376	cmd.exe	89
PID 3040 wrote to memory of 4968	3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe	90
PID 3040 wrote to memory of 4968	3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe	90
PID 3040 wrote to memory of 4968	3040	JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe	90
PID 4968 wrote to memory of 5108	4968	csrss.exe	98
PID 4968 wrote to memory of 5108	4968	csrss.exe	98

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_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1296
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576.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:3040
- - 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:4376
  - - 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:3988
- - 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:4968
  - - 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:5096
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:2568
  - - 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:5108
  - - 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:1348

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
4.0MB

MD5
6b2756da606d050c95223bfbacd7d667

SHA1
b455edec2dfec72b04eb66ead1eeac8e3d664bd2

SHA256
8cca01dc335f27e19eba550a7b3ca20dacc41609234749653c59f202404bb576

SHA512
2e1fc05824d4fb71d577b4ebbce0b46e80b72b86ccd7eeb1f1b1ef7cafb10ad0313a2c1bd1be9539c705288c074b65b2e972fcdcc9027ec17d4161dead79f289

Download Submit
memory/1296-1-0x0000000002CE0000-0x00000000030D8000-memory.dmp

Filesize
4.0MB

Download
memory/1296-2-0x00000000030E0000-0x0000000003956000-memory.dmp

Filesize
8.5MB

Download
memory/1296-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1296-4-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1296-5-0x00000000030E0000-0x0000000003956000-memory.dmp

Filesize
8.5MB

Download
memory/3040-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3040-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3040-14-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4968-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download