glupteba | 511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2024, 23:08

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General

Target

JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Size

4.1MB
MD5

e2a6e142384c14b578e46687f34d51d5
SHA1

577c8e590d2a48202058235b06effece6487b4e9
SHA256

511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a
SHA512

e531f0a5e260cf071e0576c1148f7b28153cec4092f2c608cc73558a7cf2c8625150b508d40db83e127bac8d341a0800886e6d2ff609384a0be1126b3e11a432
SSDEEP

98304:eN2zN8hH6jgGmn/si10zFLiXMesCkIYJ6fBnut8:eN2a96MdnN0zFGkIvFut8

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation rootkit

Malware Config

Signatures

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

Glupteba payload 20 IoCs

resource	yara_rule
behavioral2/memory/3792-2-0x0000000002F90000-0x0000000003807000-memory.dmp	family_glupteba
behavioral2/memory/3792-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3792-5-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3792-6-0x0000000002F90000-0x0000000003807000-memory.dmp	family_glupteba
behavioral2/memory/2604-9-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2604-15-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-34-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/548-35-0x0000000000400000-0x0000000000C91000-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
980	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
548	csrss.exe
1580	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
42	raw.githubusercontent.com
43	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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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,-1821 = "Russia TZ 1 Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-241 = "Samoa Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	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,-2161 = "Altai Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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
224	schtasks.exe
512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3792	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
3792	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
548	csrss.exe
548	csrss.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
548	csrss.exe
548	csrss.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe
1580	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3792	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Token: SeImpersonatePrivilege	3792	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
Token: SeSystemEnvironmentPrivilege	548	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 4192	2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe	89
PID 2604 wrote to memory of 4192	2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe	89
PID 4192 wrote to memory of 980	4192	cmd.exe	91
PID 4192 wrote to memory of 980	4192	cmd.exe	91
PID 2604 wrote to memory of 548	2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe	93
PID 2604 wrote to memory of 548	2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe	93
PID 2604 wrote to memory of 548	2604	JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe	93
PID 548 wrote to memory of 1580	548	csrss.exe	104
PID 548 wrote to memory of 1580	548	csrss.exe	104

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_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3792
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a.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:2604
- - 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:4192
  - - 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:980
- - 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:548
  - - 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:224
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3232
  - - 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:1580
  - - 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:512

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
e2a6e142384c14b578e46687f34d51d5

SHA1
577c8e590d2a48202058235b06effece6487b4e9

SHA256
511ab793f986b845a2e5b504bc745c8f9032a0d80825e0f84f773d8a00ffe58a

SHA512
e531f0a5e260cf071e0576c1148f7b28153cec4092f2c608cc73558a7cf2c8625150b508d40db83e127bac8d341a0800886e6d2ff609384a0be1126b3e11a432

Download Submit
memory/548-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-35-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/548-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2604-15-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2604-9-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2604-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3792-5-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3792-1-0x0000000002B90000-0x0000000002F86000-memory.dmp

Filesize
4.0MB

Download
memory/3792-2-0x0000000002F90000-0x0000000003807000-memory.dmp

Filesize
8.5MB

Download
memory/3792-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3792-6-0x0000000002F90000-0x0000000003807000-memory.dmp

Filesize
8.5MB

Download