glupteba | ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e

Analysis

max time kernel
149s
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
24-12-2024 15:40

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General

Target

JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Size

4.4MB
MD5

dc8f17f809d5854db455cf56a1a5e133
SHA1

2306c6234f3491c4b6ac1510711c7069149d5ea0
SHA256

ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e
SHA512

c1820df5f4ba2c31f833d34d74cf65ca02b9ad5430f888e3e229087e173969055a9bddc7198ca4a3dd4215473e893fb6195814908d2450d1ee610ab6e316e63b
SSDEEP

98304:aoKMe6V8Z529vh0JZQK6GozeiGw5zCovIcVOWJMcjd+M+2QZoy8EH+Hzko244V1Y:7V2sMJCzZjkWJMid+f2Coy8y+Tko2pDY

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 20 IoCs

resource	yara_rule
behavioral2/memory/4612-2-0x0000000005240000-0x0000000005B67000-memory.dmp	family_glupteba
behavioral2/memory/4612-3-0x0000000000400000-0x0000000000D42000-memory.dmp	family_glupteba
behavioral2/memory/4612-6-0x0000000005240000-0x0000000005B67000-memory.dmp	family_glupteba
behavioral2/memory/4612-5-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/4612-7-0x0000000000400000-0x0000000000D42000-memory.dmp	family_glupteba
behavioral2/memory/3512-11-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-14-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-20-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-21-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-22-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-23-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-24-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-25-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-26-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-27-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-28-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-29-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-30-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-31-0x0000000000400000-0x0000000002F73000-memory.dmp	family_glupteba
behavioral2/memory/3100-32-0x0000000000400000-0x0000000002F73000-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
1488	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3100	csrss.exe
508	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BlackSunset = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.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_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.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	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe

GoLang User-Agent 4 IoCs

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

description	flow	ioc
HTTP User-Agent header	33	Go-http-client/1.1
HTTP User-Agent header	17	Go-http-client/1.1
HTTP User-Agent header	31	Go-http-client/1.1
HTTP User-Agent header	32	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,-842 = "Argentina Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East 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,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	csrss.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"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT 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,-132 = "US Eastern Standard Time"	csrss.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,-385 = "Namibia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	csrss.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,-412 = "E. Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	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_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.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
3920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4612	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
4612	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
3100	csrss.exe
3100	csrss.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe
508	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Token: SeImpersonatePrivilege	4612	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Token: SeSystemEnvironmentPrivilege	3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
Token: SeSystemEnvironmentPrivilege	3100	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 1528	3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe	88
PID 3512 wrote to memory of 1528	3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe	88
PID 1528 wrote to memory of 1488	1528	cmd.exe	90
PID 1528 wrote to memory of 1488	1528	cmd.exe	90
PID 3512 wrote to memory of 3100	3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe	93
PID 3512 wrote to memory of 3100	3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe	93
PID 3512 wrote to memory of 3100	3512	JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe	93
PID 3100 wrote to memory of 508	3100	csrss.exe	104
PID 3100 wrote to memory of 508	3100	csrss.exe	104

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_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4612
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e.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:3512
- - 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:1528
  - - 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:1488
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe /188-188
    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:3100
  - - 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:3920
  - - 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:508

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
dc8f17f809d5854db455cf56a1a5e133

SHA1
2306c6234f3491c4b6ac1510711c7069149d5ea0

SHA256
ef2a760770d865130ff88f0dd21bf060fc0c009212cf12ca6ee8cfcb68c1705e

SHA512
c1820df5f4ba2c31f833d34d74cf65ca02b9ad5430f888e3e229087e173969055a9bddc7198ca4a3dd4215473e893fb6195814908d2450d1ee610ab6e316e63b

Download Submit
memory/3100-25-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-23-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-32-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-31-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-30-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-29-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-14-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-28-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-20-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-21-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-22-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-27-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-24-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3100-26-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/3512-11-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

Download
memory/4612-1-0x0000000004DF0000-0x0000000005234000-memory.dmp

Filesize
4.3MB

Download
memory/4612-6-0x0000000005240000-0x0000000005B67000-memory.dmp

Filesize
9.2MB

Download
memory/4612-2-0x0000000005240000-0x0000000005B67000-memory.dmp

Filesize
9.2MB

Download
memory/4612-3-0x0000000000400000-0x0000000000D42000-memory.dmp

Filesize
9.3MB

Download
memory/4612-7-0x0000000000400000-0x0000000000D42000-memory.dmp

Filesize
9.3MB

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memory/4612-5-0x0000000000400000-0x0000000002F73000-memory.dmp

Filesize
43.4MB

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