glupteba | 17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 18:49

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General

Target

JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Size

4.1MB
MD5

46be97584953729b4a3e4c2a9ac90180
SHA1

801c688d29f7ecb6a5ba721d1d551236dceb0636
SHA256

17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b
SHA512

04e8ae26987cc0f30c90c8ad595c93e34de1918610433377c6608af5fb93829c70e3ccd8883f4a999f8b37bb396a69bc973e0eea53750eacbd46cfa7fd89867c
SSDEEP

98304:d1CDNt1QABzrHK6/M4V3Bqw9QufvaJNi4a2qapmOMGQLZpDw1f/L:ytbBzm6zV3wAvarFa2KGQqXL

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/452-2-0x0000000002EA0000-0x0000000003717000-memory.dmp	family_glupteba
behavioral2/memory/452-3-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/452-6-0x0000000002EA0000-0x0000000003717000-memory.dmp	family_glupteba
behavioral2/memory/452-5-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1420-8-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/1420-15-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-21-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-22-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-23-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-24-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-25-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-26-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-27-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-28-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-29-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-30-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-31-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-32-0x0000000000400000-0x0000000000C91000-memory.dmp	family_glupteba
behavioral2/memory/3472-33-0x0000000000400000-0x0000000000C91000-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
1408	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
3472	csrss.exe
1448	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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
52	raw.githubusercontent.com
53	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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
File created	C:\Windows\rss\csrss.exe	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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,-142 = "Canada Central Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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,-121 = "SA Pacific Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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,-1892 = "Russia TZ 3 Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.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,-81 = "Atlantic Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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,-682 = "E. Australia Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.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,-105 = "Central Brazilian Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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,-272 = "Greenwich Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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
3264	schtasks.exe
1404	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
452	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
452	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
3472	csrss.exe
3472	csrss.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
3472	csrss.exe
3472	csrss.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe
1448	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Token: SeImpersonatePrivilege	452	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
Token: SeSystemEnvironmentPrivilege	3472	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 3164	1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe	86
PID 1420 wrote to memory of 3164	1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe	86
PID 3164 wrote to memory of 1408	3164	cmd.exe	88
PID 3164 wrote to memory of 1408	3164	cmd.exe	88
PID 1420 wrote to memory of 3472	1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe	91
PID 1420 wrote to memory of 3472	1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe	91
PID 1420 wrote to memory of 3472	1420	JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe	91
PID 3472 wrote to memory of 1448	3472	csrss.exe	99
PID 3472 wrote to memory of 1448	3472	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_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:452
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b.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:1420
- - 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:3164
  - - 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:1408
- - 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:3472
  - - 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:3264
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1080
  - - 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:1448
  - - 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:1404

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
46be97584953729b4a3e4c2a9ac90180

SHA1
801c688d29f7ecb6a5ba721d1d551236dceb0636

SHA256
17f905c618a16a446798310e33e7eb732a826120f0a72726b8a25c6e0fdbcf6b

SHA512
04e8ae26987cc0f30c90c8ad595c93e34de1918610433377c6608af5fb93829c70e3ccd8883f4a999f8b37bb396a69bc973e0eea53750eacbd46cfa7fd89867c

Download Submit
memory/452-1-0x0000000002AA0000-0x0000000002E94000-memory.dmp

Filesize
4.0MB

Download
memory/452-2-0x0000000002EA0000-0x0000000003717000-memory.dmp

Filesize
8.5MB

Download
memory/452-3-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/452-6-0x0000000002EA0000-0x0000000003717000-memory.dmp

Filesize
8.5MB

Download
memory/452-5-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1420-7-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1420-8-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1420-15-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-21-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-22-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-23-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-24-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-25-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-26-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-27-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-28-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-29-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-30-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-31-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-32-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3472-33-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download