glupteba | 48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 15:46

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General

Target

JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Size

4.1MB
MD5

d9a1c7ff5825e3dbfd8bd90d78690999
SHA1

eabc1b46615e401fcb628876f7b97355bcca843e
SHA256

48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9
SHA512

fccb887342a4b5ddb5e1d473e68567890feed004e356cfa0d16c36fe1af1abf8619a291d550ba641cf2f544f80126e5ea86868c9077fa4ff32d1c6e5913d6384
SSDEEP

98304:mwWd9cUs111TkAmczk0QYTcthTn1ZEQb9naSs7TpfSDg1:BG9cVSAmnActhhZEQgpR1

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/2428-2-0x00000000050B0000-0x0000000005927000-memory.dmp	family_glupteba
behavioral2/memory/2428-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2428-6-0x00000000050B0000-0x0000000005927000-memory.dmp	family_glupteba
behavioral2/memory/2428-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2428-5-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/4900-14-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-20-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-21-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-22-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-23-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-24-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-25-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-26-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-27-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-28-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-29-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-30-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-31-0x0000000000400000-0x0000000003003000-memory.dmp	family_glupteba
behavioral2/memory/2372-32-0x0000000000400000-0x0000000003003000-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
3972	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2372	csrss.exe
388	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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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

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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
File opened for modification	C:\Windows\rss	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
404	4900	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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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,-771 = "Montevideo Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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
2636	schtasks.exe
3428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2428	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
2428	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
2372	csrss.exe
2372	csrss.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
2372	csrss.exe
2372	csrss.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe
388	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2428	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Token: SeImpersonatePrivilege	2428	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
Token: SeSystemEnvironmentPrivilege	2372	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 1756	4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe	87
PID 4900 wrote to memory of 1756	4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe	87
PID 1756 wrote to memory of 3972	1756	cmd.exe	89
PID 1756 wrote to memory of 3972	1756	cmd.exe	89
PID 4900 wrote to memory of 2372	4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe	90
PID 4900 wrote to memory of 2372	4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe	90
PID 4900 wrote to memory of 2372	4900	JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe	90
PID 2372 wrote to memory of 388	2372	csrss.exe	107
PID 2372 wrote to memory of 388	2372	csrss.exe	107

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_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9.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:4900
- - 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:1756
  - - 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:3972
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2372
  - - 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:2636
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4176
  - - 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:388
  - - 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:3428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 632
    3⤵
    - Program crash
    PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4900 -ip 4900
1⤵
PID:3716

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

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
d9a1c7ff5825e3dbfd8bd90d78690999

SHA1
eabc1b46615e401fcb628876f7b97355bcca843e

SHA256
48cc17faa4bb43fdf2cfca00777cef16a54455db59e5c5b38b8a824112c0fba9

SHA512
fccb887342a4b5ddb5e1d473e68567890feed004e356cfa0d16c36fe1af1abf8619a291d550ba641cf2f544f80126e5ea86868c9077fa4ff32d1c6e5913d6384

Download Submit
memory/2372-25-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-28-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-32-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-31-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-30-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-29-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-27-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-26-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-20-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-21-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-22-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-23-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2372-24-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2428-1-0x0000000003420000-0x000000000380B000-memory.dmp

Filesize
3.9MB

Download
memory/2428-2-0x00000000050B0000-0x0000000005927000-memory.dmp

Filesize
8.5MB

Download
memory/2428-6-0x00000000050B0000-0x0000000005927000-memory.dmp

Filesize
8.5MB

Download
memory/2428-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2428-5-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/2428-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4900-14-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download
memory/4900-8-0x0000000000400000-0x0000000003003000-memory.dmp

Filesize
44.0MB

Download