glupteba | 594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 12:17

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General

Target

JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Size

4.4MB
MD5

7fc5e94dcb0bb57b2a8249869bd365c1
SHA1

b1d0ff286f3b5097b82f1df9cfdf814300f0efc3
SHA256

594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640
SHA512

610b5c14166eb0e32ef01825b2df63945b122b93810ca61f1a222ab43c0a8209f4e66023af54423047fe419a53a3f8d5f42afd77352c237aeb9cac1b46da6767
SSDEEP

98304:IjVpL8bfgD61PtWjEnV/Td6/yv57QkwIA4FKsDx7SBrI7M2DC:IgfE61VWj0z1uzp5KM2DC

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence privilege_escalation rootkit trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

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

Glupteba payload 22 IoCs

resource	yara_rule
behavioral2/memory/4856-2-0x0000000004660000-0x0000000004F7E000-memory.dmp	family_glupteba
behavioral2/memory/4856-3-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/4856-6-0x0000000004660000-0x0000000004F7E000-memory.dmp	family_glupteba
behavioral2/memory/4856-7-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/4856-5-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/388-9-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/388-10-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/388-11-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/388-15-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-18-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-24-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-25-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-26-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-27-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-28-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-29-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-30-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-31-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-32-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-33-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-34-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba
behavioral2/memory/4976-35-0x0000000000400000-0x000000000257B000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Metasploit family
metasploit

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4080	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4976	csrss.exe
2828	injector.exe

Adds Run key to start application 2 TTPs 1 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\DawnSun = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.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

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_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.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_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe

GoLang User-Agent 3 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	35	Go-http-client/1.1
HTTP User-Agent header	37	Go-http-client/1.1
HTTP User-Agent header	38	Go-http-client/1.1

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,-372 = "Jerusalem Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.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,-2411 = "Marquesas Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	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)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4856	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
4856	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
4976	csrss.exe
4976	csrss.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe
2828	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Token: SeImpersonatePrivilege	4856	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Token: SeSystemEnvironmentPrivilege	388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
Token: SeSystemEnvironmentPrivilege	4976	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4892	388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe	98
PID 388 wrote to memory of 4892	388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe	98
PID 4892 wrote to memory of 4080	4892	cmd.exe	100
PID 4892 wrote to memory of 4080	4892	cmd.exe	100
PID 388 wrote to memory of 4976	388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe	101
PID 388 wrote to memory of 4976	388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe	101
PID 388 wrote to memory of 4976	388	JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe	101
PID 4976 wrote to memory of 2828	4976	csrss.exe	109
PID 4976 wrote to memory of 2828	4976	csrss.exe	109

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_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640.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
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:388
- - 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:4892
  - - 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:4080
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe /51-51
    3⤵
    - Executes dropped EXE
    - 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:4976
  - - 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:3348
  - - 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:2828

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

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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

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
4.4MB

MD5
7fc5e94dcb0bb57b2a8249869bd365c1

SHA1
b1d0ff286f3b5097b82f1df9cfdf814300f0efc3

SHA256
594d3afb2754288fc49198e317b9ce24304e4ec84dcd5e94ccb0dcd43f0ea640

SHA512
610b5c14166eb0e32ef01825b2df63945b122b93810ca61f1a222ab43c0a8209f4e66023af54423047fe419a53a3f8d5f42afd77352c237aeb9cac1b46da6767

Download Submit
memory/388-11-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/388-8-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/388-9-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/388-10-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/388-15-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4856-6-0x0000000004660000-0x0000000004F7E000-memory.dmp

Filesize
9.1MB

Download
memory/4856-7-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/4856-5-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4856-3-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/4856-2-0x0000000004660000-0x0000000004F7E000-memory.dmp

Filesize
9.1MB

Download
memory/4856-1-0x0000000004220000-0x000000000465C000-memory.dmp

Filesize
4.2MB

Download
memory/4976-18-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-24-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-25-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-26-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-27-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-28-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-29-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-30-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

Download
memory/4976-31-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

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memory/4976-32-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

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memory/4976-33-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

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memory/4976-34-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

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memory/4976-35-0x0000000000400000-0x000000000257B000-memory.dmp

Filesize
33.5MB

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