glupteba | f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a

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
25-12-2024 14:05

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General

Target

JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Size

4.4MB
MD5

b21e051831b66755a1236cd5686b73fa
SHA1

c91bd922beb24eec5ac9d51fc216cc3782151e1a
SHA256

f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a
SHA512

e39e4fbb6331607952d4c447836aad43e0837ea688e04e9f63f9419352a13c23ad5f0e23bb1bada45d18073d56e12207dc5d6509b59248585c67220673dd976a
SSDEEP

98304:DFL8L0Vrzg0BVn9cbifpc7LmlMwQPak3rylpRkL96+7ItsqGjCXK:DHP9RpeLmuakul3w9TIts9jh

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/1620-2-0x0000000003A60000-0x000000000437E000-memory.dmp	family_glupteba
behavioral2/memory/1620-3-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/1620-7-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/1620-6-0x0000000003A60000-0x000000000437E000-memory.dmp	family_glupteba
behavioral2/memory/1620-5-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/1884-11-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-14-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-20-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-21-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-22-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-23-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-24-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-25-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-26-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-27-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-28-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-29-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-30-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-31-0x0000000000400000-0x0000000002FBA000-memory.dmp	family_glupteba
behavioral2/memory/4588-32-0x0000000000400000-0x0000000002FBA000-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
2064	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
4588	csrss.exe
1064	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RestlessHill = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.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_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.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_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe

GoLang User-Agent 4 IoCs

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

description	flow	ioc
HTTP User-Agent header	18	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
HTTP User-Agent header	47	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,-402 = "Arabic Standard 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,-962 = "Paraguay 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\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.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,-262 = "GMT Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard 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,-92 = "Pacific SA Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	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,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.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,-1871 = "Russia TZ 7 Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	csrss.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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei 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
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,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight 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,-491 = "India Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh 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,-214 = "Pacific Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard 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\TrustedPeople\CTLs	csrss.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,-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,-1971 = "Belarus Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	csrss.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"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.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
3884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1620	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1620	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
4588	csrss.exe
4588	csrss.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe
1064	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Token: SeImpersonatePrivilege	1620	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Token: SeSystemEnvironmentPrivilege	1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
Token: SeSystemEnvironmentPrivilege	4588	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 5032	1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe	88
PID 1884 wrote to memory of 5032	1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe	88
PID 5032 wrote to memory of 2064	5032	cmd.exe	90
PID 5032 wrote to memory of 2064	5032	cmd.exe	90
PID 1884 wrote to memory of 4588	1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe	91
PID 1884 wrote to memory of 4588	1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe	91
PID 1884 wrote to memory of 4588	1884	JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe	91
PID 4588 wrote to memory of 1064	4588	csrss.exe	97
PID 4588 wrote to memory of 1064	4588	csrss.exe	97

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_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a.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:1884
- - 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:5032
  - - 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:2064
- - 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:4588
  - - 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:3884
  - - 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:1064

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
b21e051831b66755a1236cd5686b73fa

SHA1
c91bd922beb24eec5ac9d51fc216cc3782151e1a

SHA256
f2139ede35bc65aa69df7fa8079550c70a315b7c1013562976b9d6d5c836536a

SHA512
e39e4fbb6331607952d4c447836aad43e0837ea688e04e9f63f9419352a13c23ad5f0e23bb1bada45d18073d56e12207dc5d6509b59248585c67220673dd976a

Download Submit
memory/1620-2-0x0000000003A60000-0x000000000437E000-memory.dmp

Filesize
9.1MB

Download
memory/1620-3-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/1620-7-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/1620-6-0x0000000003A60000-0x000000000437E000-memory.dmp

Filesize
9.1MB

Download
memory/1620-5-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/1620-1-0x0000000003610000-0x0000000003A57000-memory.dmp

Filesize
4.3MB

Download
memory/1884-11-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-20-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-26-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-21-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-22-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-23-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-24-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-25-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-14-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-27-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-28-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-29-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

Download
memory/4588-30-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

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memory/4588-31-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

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memory/4588-32-0x0000000000400000-0x0000000002FBA000-memory.dmp

Filesize
43.7MB

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