glupteba | a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b

Analysis

max time kernel
149s
max time network
151s
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 18:11

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General

Target

JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Size

4.5MB
MD5

01d6d827b4a59da0b571c86c497372ed
SHA1

52d23324ea3330de89a18e0bd849f0c9db7b1431
SHA256

a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b
SHA512

b7fc7823f93570b42a28f620ac1969f091986a3f9b2577ae5c53113e2d4e38f0821245fac39dfdbab323e5e01e1c165068260017d5a2ac9283ac086a4a2446b1
SSDEEP

98304:zIOYmHNjvv/OtSDdPmH1vpkn3fpRiE/VB71nasIiRYEBb:z2mHNCtSDdPm18pRiKNnJRYI

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/1932-2-0x0000000003B30000-0x000000000444E000-memory.dmp	family_glupteba
behavioral2/memory/1932-3-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/1932-6-0x0000000003B30000-0x000000000444E000-memory.dmp	family_glupteba
behavioral2/memory/1932-7-0x0000000000400000-0x0000000000D39000-memory.dmp	family_glupteba
behavioral2/memory/1932-5-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2784-11-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-14-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-20-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-21-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-22-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-23-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-24-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-25-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-26-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-27-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-28-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-29-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-30-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-31-0x0000000000400000-0x0000000002FBF000-memory.dmp	family_glupteba
behavioral2/memory/2820-32-0x0000000000400000-0x0000000002FBF000-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
1096	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2820	csrss.exe
4168	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SnowyMorning = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.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_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.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_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

GoLang User-Agent 5 IoCs

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

description	flow	ioc
HTTP User-Agent header	40	Go-http-client/1.1
HTTP User-Agent header	44	Go-http-client/1.1
HTTP User-Agent header	60	Go-http-client/1.1
HTTP User-Agent header	19	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,-2612 = "Bougainville Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	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,-434 = "Georgian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 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,-2592 = "Tocantins Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	csrss.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,-352 = "FLE Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	csrss.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,-449 = "Azerbaijan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight 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,-262 = "GMT Standard 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,-531 = "Sri Lanka Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	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,-252 = "Dateline Standard 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,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.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,-1721 = "Libya Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 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_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.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
404	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1932	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
1932	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
2820	csrss.exe
2820	csrss.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe
4168	injector.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Token: SeImpersonatePrivilege	1932	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Token: SeSystemEnvironmentPrivilege	2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
Token: SeSystemEnvironmentPrivilege	2820	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 3488	2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe	86
PID 2784 wrote to memory of 3488	2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe	86
PID 3488 wrote to memory of 1096	3488	cmd.exe	88
PID 3488 wrote to memory of 1096	3488	cmd.exe	88
PID 2784 wrote to memory of 2820	2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe	91
PID 2784 wrote to memory of 2820	2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe	91
PID 2784 wrote to memory of 2820	2784	JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe	91
PID 2820 wrote to memory of 4168	2820	csrss.exe	97
PID 2820 wrote to memory of 4168	2820	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_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b.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:2784
- - 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:3488
  - - 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:1096
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe /124-124
    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:2820
  - - 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:404
  - - 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:4168

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
4.5MB

MD5
01d6d827b4a59da0b571c86c497372ed

SHA1
52d23324ea3330de89a18e0bd849f0c9db7b1431

SHA256
a12fcfd0af8de506b86ce198b3e304aea3ce75d8f00e93c6d55b0eede6f7dd4b

SHA512
b7fc7823f93570b42a28f620ac1969f091986a3f9b2577ae5c53113e2d4e38f0821245fac39dfdbab323e5e01e1c165068260017d5a2ac9283ac086a4a2446b1

Download Submit
memory/1932-2-0x0000000003B30000-0x000000000444E000-memory.dmp

Filesize
9.1MB

Download
memory/1932-3-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/1932-6-0x0000000003B30000-0x000000000444E000-memory.dmp

Filesize
9.1MB

Download
memory/1932-7-0x0000000000400000-0x0000000000D39000-memory.dmp

Filesize
9.2MB

Download
memory/1932-5-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/1932-1-0x00000000036E0000-0x0000000003B2A000-memory.dmp

Filesize
4.3MB

Download
memory/2784-11-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-20-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-26-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-21-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-22-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-23-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-24-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-25-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-14-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

Download
memory/2820-27-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

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memory/2820-28-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

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memory/2820-29-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

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memory/2820-30-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

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memory/2820-31-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

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memory/2820-32-0x0000000000400000-0x0000000002FBF000-memory.dmp

Filesize
43.7MB

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