glupteba | b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4

Analysis

max time kernel
150s
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
29-12-2024 12:27

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General

Target

JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Size

4.1MB
MD5

dbddd4b42be8a732a86a14856415a6f9
SHA1

84174fd80ac34bddc8f8dd481a78f6652c537d43
SHA256

b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4
SHA512

1c613e3d6dbe7698366238e3bef8364e1339749510f80b6793f57b6cc61d0f1fae2ca1fc8c2f9123b5e9cb6fc78e1765af41e0a1e48f9a3b7146d83bbd5658c1
SSDEEP

98304:VKIvtHE/oCWNG9VQm0Z+S+sipHM/zLLSGe4hE3vHUX+7G:EaaobwQm0Z+S+vMTxe4hE8gG

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 19 IoCs

resource	yara_rule
behavioral2/memory/1356-2-0x0000000002D30000-0x00000000035A7000-memory.dmp	family_glupteba
behavioral2/memory/1356-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1356-6-0x0000000002D30000-0x00000000035A7000-memory.dmp	family_glupteba
behavioral2/memory/1356-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1516-10-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1516-17-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-34-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2732-35-0x0000000000400000-0x0000000000C91000-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
1480	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2732	csrss.exe
1016	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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
4356	1516	WerFault.exe	87

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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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,-1471 = "Magadan Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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,-442 = "Arabian Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.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,-411 = "E. Africa Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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,-391 = "Arab Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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
3536	schtasks.exe
1152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1356	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1356	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
2732	csrss.exe
2732	csrss.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe
2732	csrss.exe
2732	csrss.exe
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1016	injector.exe
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1016	injector.exe
1016	injector.exe
1016	injector.exe
1016	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Token: SeImpersonatePrivilege	1356	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
Token: SeSystemEnvironmentPrivilege	2732	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1332	1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe	88
PID 1516 wrote to memory of 1332	1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe	88
PID 1332 wrote to memory of 1480	1332	cmd.exe	90
PID 1332 wrote to memory of 1480	1332	cmd.exe	90
PID 1516 wrote to memory of 2732	1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe	91
PID 1516 wrote to memory of 2732	1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe	91
PID 1516 wrote to memory of 2732	1516	JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe	91
PID 2732 wrote to memory of 1016	2732	csrss.exe	110
PID 2732 wrote to memory of 1016	2732	csrss.exe	110

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_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1356
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4.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:1516
- - 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:1332
  - - 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:1480
- - 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:2732
  - - 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:1152
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4812
  - - 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:1016
  - - 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:3536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 780
    3⤵
    - Program crash
    PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1516 -ip 1516
1⤵
PID:1488

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
dbddd4b42be8a732a86a14856415a6f9

SHA1
84174fd80ac34bddc8f8dd481a78f6652c537d43

SHA256
b6f82f21dc5fef0074dbdb513d971c113efaecc6e33d8e9ea2e89530cbd42db4

SHA512
1c613e3d6dbe7698366238e3bef8364e1339749510f80b6793f57b6cc61d0f1fae2ca1fc8c2f9123b5e9cb6fc78e1765af41e0a1e48f9a3b7146d83bbd5658c1

Download Submit
memory/1356-1-0x0000000002930000-0x0000000002D23000-memory.dmp

Filesize
3.9MB

Download
memory/1356-2-0x0000000002D30000-0x00000000035A7000-memory.dmp

Filesize
8.5MB

Download
memory/1356-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1356-6-0x0000000002D30000-0x00000000035A7000-memory.dmp

Filesize
8.5MB

Download
memory/1356-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1516-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1516-9-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1516-10-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1516-17-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2732-35-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download