glupteba | ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543

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
22-12-2024 12:00

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General

Target

JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Size

4.1MB
MD5

e9277ce2b99beba594b1221bb8a4a39c
SHA1

4bbc8065039a22dea3030024180ca0fa2a22d2ea
SHA256

ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543
SHA512

f2765e7ea10112ccf39f1af82c9d1bd69be1085b423822465ce72bb54695dfa15a7f388d62fc50e77014733013513d4cf770894eb0c266df8a2a909f518040b4
SSDEEP

98304:9dk4zBkDoifrzz+Fbw46XkbKZ4AQZPvygxVcIutS4SUU:7k4SDoi0cXkOnQ1qg4IuVK

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation rootkit

Malware Config

Signatures

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

Glupteba payload 20 IoCs

resource	yara_rule
behavioral2/memory/5108-2-0x00000000052C0000-0x0000000005B37000-memory.dmp	family_glupteba
behavioral2/memory/5108-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/5108-6-0x00000000052C0000-0x0000000005B37000-memory.dmp	family_glupteba
behavioral2/memory/5108-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/5108-5-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2956-15-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-21-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-22-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-23-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-24-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-25-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-26-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-27-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-28-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-29-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-30-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-31-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-32-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-33-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba
behavioral2/memory/2452-34-0x0000000000400000-0x000000000300A000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3948	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2452	csrss.exe
1400	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
43	raw.githubusercontent.com
44	raw.githubusercontent.com

Manipulates WinMonFS driver. 1 IoCs

Roottkits write to WinMonFS to hide directories/files from being detected.

rootkit evasion

description	ioc	Process
File opened for modification	\??\WinMonFS	csrss.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2936	2956	WerFault.exe	86

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_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.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,-2612 = "Bougainville Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4136	schtasks.exe
2388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5108	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
5108	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
2452	csrss.exe
2452	csrss.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
2452	csrss.exe
2452	csrss.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe
1400	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5108	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Token: SeImpersonatePrivilege	5108	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
Token: SeSystemEnvironmentPrivilege	2452	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 1380	2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe	87
PID 2956 wrote to memory of 1380	2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe	87
PID 1380 wrote to memory of 3948	1380	cmd.exe	89
PID 1380 wrote to memory of 3948	1380	cmd.exe	89
PID 2956 wrote to memory of 2452	2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe	90
PID 2956 wrote to memory of 2452	2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe	90
PID 2956 wrote to memory of 2452	2956	JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe	90
PID 2452 wrote to memory of 1400	2452	csrss.exe	108
PID 2452 wrote to memory of 1400	2452	csrss.exe	108

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_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543.exe"
  2⤵
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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:1380
  - - 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:3948
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Manipulates WinMonFS driver.
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - 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:4136
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4808
  - - 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:1400
  - - 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:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 880
    3⤵
    - Program crash
    PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2956 -ip 2956
1⤵
PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.1MB

MD5
e9277ce2b99beba594b1221bb8a4a39c

SHA1
4bbc8065039a22dea3030024180ca0fa2a22d2ea

SHA256
ee04bdbdf7813dd40bdbeea0803a7e75b47b4df1c3a589c06d7e7a99ca3e8543

SHA512
f2765e7ea10112ccf39f1af82c9d1bd69be1085b423822465ce72bb54695dfa15a7f388d62fc50e77014733013513d4cf770894eb0c266df8a2a909f518040b4

Download Submit
memory/2452-29-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-34-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-24-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-23-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-28-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-33-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-27-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-32-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-25-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-22-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-30-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-31-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-21-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2452-26-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2956-15-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/2956-8-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download
memory/5108-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5108-1-0x0000000003720000-0x0000000003B13000-memory.dmp

Filesize
3.9MB

Download
memory/5108-6-0x00000000052C0000-0x0000000005B37000-memory.dmp

Filesize
8.5MB

Download
memory/5108-2-0x00000000052C0000-0x0000000005B37000-memory.dmp

Filesize
8.5MB

Download
memory/5108-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5108-5-0x0000000000400000-0x000000000300A000-memory.dmp

Filesize
44.0MB

Download