glupteba | 29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82

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
25-12-2024 15:19

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General

Target

JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Size

4.0MB
MD5

aabd699348b542af136914ae0c6ea5b5
SHA1

17dedcff3f87547faaf011bf2833fcf22fd1d7fe
SHA256

29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82
SHA512

310d760b0894eca8243347fd1982214bb6eb7eddda6cbde83eaba66818a6b80a1cea6feef665e26e504df7c7276f042c2094c9ca80a5812dd1558d517bc9976a
SSDEEP

98304:8RghCgU8YgV0hL7PXQPJ3r8cwcCBipwtyrzmyyPLALo35ZvZ:8R8mhL7E3rZqtyrryPLG4FZ

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/2428-2-0x0000000002E30000-0x00000000036A6000-memory.dmp	family_glupteba
behavioral2/memory/2428-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/2428-5-0x0000000002E30000-0x00000000036A6000-memory.dmp	family_glupteba
behavioral2/memory/2428-4-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1628-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1628-14-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-33-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/672-34-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4104	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
672	csrss.exe
2736	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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
43	raw.githubusercontent.com
44	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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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,-72 = "Newfoundland Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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,-111 = "Eastern Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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,-2871 = "Magallanes Daylight Time"	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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
2024	schtasks.exe
4900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2428	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
2428	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
672	csrss.exe
672	csrss.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
672	csrss.exe
672	csrss.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe
2736	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2428	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Token: SeImpersonatePrivilege	2428	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
Token: SeSystemEnvironmentPrivilege	672	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3144	1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe	87
PID 1628 wrote to memory of 3144	1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe	87
PID 3144 wrote to memory of 4104	3144	cmd.exe	89
PID 3144 wrote to memory of 4104	3144	cmd.exe	89
PID 1628 wrote to memory of 672	1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe	90
PID 1628 wrote to memory of 672	1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe	90
PID 1628 wrote to memory of 672	1628	JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe	90
PID 672 wrote to memory of 2736	672	csrss.exe	95
PID 672 wrote to memory of 2736	672	csrss.exe	95

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_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82.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:1628
- - 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:3144
  - - 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:4104
- - 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:672
  - - 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:2024
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:208
  - - 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:2736
  - - 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:4900

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
4.0MB

MD5
aabd699348b542af136914ae0c6ea5b5

SHA1
17dedcff3f87547faaf011bf2833fcf22fd1d7fe

SHA256
29e411236052f362504bf44160146a3e333736de428e0d3457e3cd5c9002cd82

SHA512
310d760b0894eca8243347fd1982214bb6eb7eddda6cbde83eaba66818a6b80a1cea6feef665e26e504df7c7276f042c2094c9ca80a5812dd1558d517bc9976a

Download Submit
memory/672-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-34-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1628-14-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1628-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1628-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2428-4-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2428-1-0x0000000002A30000-0x0000000002E24000-memory.dmp

Filesize
4.0MB

Download
memory/2428-5-0x0000000002E30000-0x00000000036A6000-memory.dmp

Filesize
8.5MB

Download
memory/2428-2-0x0000000002E30000-0x00000000036A6000-memory.dmp

Filesize
8.5MB

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

Filesize
8.6MB

Download