glupteba | 23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f

Analysis

max time kernel
149s
max time network
146s
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, 01:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Size

4.0MB
MD5

d956c8361ab251254dc23ca9e67fa82b
SHA1

c59e381c5eb3b53f58df87d01aa755357eb960d5
SHA256

23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f
SHA512

2f30d60b6f0bcb3dcc9a4bfe90eef12801a925bfd30cda14e332f20ad1e2b42acad9f44354f9eb31694ddd7ef93559abcae8c5b232fce92c9e70bbf4f893b1a2
SSDEEP

98304:7yYe88CWTziGxnRF11jI214beDDUE85Zf0KTSkoq1zkB5:7jeV9xX1i2iyDDTSZMSSkoYkB5

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/2596-2-0x0000000002D50000-0x00000000035C6000-memory.dmp	family_glupteba
behavioral2/memory/2596-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2596-5-0x0000000002D50000-0x00000000035C6000-memory.dmp	family_glupteba
behavioral2/memory/2596-4-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3088-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3088-14-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3024-34-0x0000000000400000-0x0000000000C91000-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
1120	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3024	csrss.exe
3396	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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
46	raw.githubusercontent.com
47	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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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,-82 = "Atlantic Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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)"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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,-2161 = "Altai Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	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"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.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,-512 = "Central Asia Standard Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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
3852	schtasks.exe
4256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2596	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
2596	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3024	csrss.exe
3024	csrss.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3024	csrss.exe
3024	csrss.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe
3396	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Token: SeImpersonatePrivilege	2596	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Token: SeSystemEnvironmentPrivilege	3024	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 3488	3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe	87
PID 3088 wrote to memory of 3488	3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe	87
PID 3488 wrote to memory of 1120	3488	cmd.exe	89
PID 3488 wrote to memory of 1120	3488	cmd.exe	89
PID 3088 wrote to memory of 3024	3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe	91
PID 3088 wrote to memory of 3024	3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe	91
PID 3088 wrote to memory of 3024	3088	JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe	91
PID 3024 wrote to memory of 3396	3024	csrss.exe	98
PID 3024 wrote to memory of 3396	3024	csrss.exe	98

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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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:3088
- - 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:1120
- - 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:3024
  - - 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:3852
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:5052
  - - 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:3396
  - - 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:4256

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

Loading Replay Monitor...

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
4.0MB

MD5
d956c8361ab251254dc23ca9e67fa82b

SHA1
c59e381c5eb3b53f58df87d01aa755357eb960d5

SHA256
23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f

SHA512
2f30d60b6f0bcb3dcc9a4bfe90eef12801a925bfd30cda14e332f20ad1e2b42acad9f44354f9eb31694ddd7ef93559abcae8c5b232fce92c9e70bbf4f893b1a2

Download Submit
memory/2596-2-0x0000000002D50000-0x00000000035C6000-memory.dmp

Filesize
8.5MB

Download
memory/2596-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2596-5-0x0000000002D50000-0x00000000035C6000-memory.dmp

Filesize
8.5MB

Download
memory/2596-4-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2596-1-0x0000000002960000-0x0000000002D4D000-memory.dmp

Filesize
3.9MB

Download
memory/3024-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3024-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3088-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3088-14-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3088-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download