glupteba | d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1

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
24-12-2024 09:54

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General

Target

JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Size

4.1MB
MD5

8aeb47f75cfb92ac6f275737cd6a45cf
SHA1

794139406af7b5bc584c547af4f12d57d2a643d9
SHA256

d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1
SHA512

33865cca34ef98c14cf8d08a10169845bef4295e1c9079190d16af9dd2caed8efd1cfed784e308aad8851477031af7f258b91adac12c862473ef96903637e32c
SSDEEP

98304:YkEprrWZgNcbvkts8YMgITpDQYepoh0cizk30X91pCvKg:WrrGgOrkbgITpDMoRizk30toKg

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/2272-2-0x00000000052B0000-0x0000000005B27000-memory.dmp	family_glupteba
behavioral2/memory/2272-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2272-6-0x00000000052B0000-0x0000000005B27000-memory.dmp	family_glupteba
behavioral2/memory/2272-7-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2272-5-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/2628-12-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-20-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-21-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-22-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-23-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-24-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-25-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-26-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-27-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-28-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-29-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-30-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-31-0x0000000000400000-0x0000000003002000-memory.dmp	family_glupteba
behavioral2/memory/1692-32-0x0000000000400000-0x0000000003002000-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
716	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1692	csrss.exe
1020	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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
51	raw.githubusercontent.com
52	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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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 queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\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	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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,-1871 = "Russia TZ 7 Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	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,-732 = "Fiji Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.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,-81 = "Atlantic Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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
1868	schtasks.exe
420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2272	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2272	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1692	csrss.exe
1692	csrss.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1692	csrss.exe
1692	csrss.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe
1020	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Token: SeImpersonatePrivilege	2272	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
Token: SeSystemEnvironmentPrivilege	1692	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 4664	2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe	89
PID 2628 wrote to memory of 4664	2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe	89
PID 4664 wrote to memory of 716	4664	cmd.exe	91
PID 4664 wrote to memory of 716	4664	cmd.exe	91
PID 2628 wrote to memory of 1692	2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe	92
PID 2628 wrote to memory of 1692	2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe	92
PID 2628 wrote to memory of 1692	2628	JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe	92
PID 1692 wrote to memory of 1020	1692	csrss.exe	99
PID 1692 wrote to memory of 1020	1692	csrss.exe	99

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_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1.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:2628
- - 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:4664
  - - 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:716
- - 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:1692
  - - 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:420
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3092
  - - 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:1020
  - - 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:1868

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
8aeb47f75cfb92ac6f275737cd6a45cf

SHA1
794139406af7b5bc584c547af4f12d57d2a643d9

SHA256
d9cba6bdd633f88f8ded2a73536f895734fa1a405b1228765e3667f8d5748ac1

SHA512
33865cca34ef98c14cf8d08a10169845bef4295e1c9079190d16af9dd2caed8efd1cfed784e308aad8851477031af7f258b91adac12c862473ef96903637e32c

Download Submit
memory/1692-25-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-28-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-32-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-31-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-30-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-29-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-27-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-26-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-20-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-21-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-22-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-23-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/1692-24-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/2272-1-0x0000000003720000-0x0000000003B0A000-memory.dmp

Filesize
3.9MB

Download
memory/2272-2-0x00000000052B0000-0x0000000005B27000-memory.dmp

Filesize
8.5MB

Download
memory/2272-6-0x00000000052B0000-0x0000000005B27000-memory.dmp

Filesize
8.5MB

Download
memory/2272-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2272-5-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/2272-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2628-12-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download
memory/2628-8-0x0000000000400000-0x0000000003002000-memory.dmp

Filesize
44.0MB

Download