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Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/12/2024, 20:01
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe
-
Size
4.1MB
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MD5
e5340c2523966a6b366097fdc73cd2dd
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SHA1
ae443acbbf700a8488328c6f6081e992c64cb991
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SHA256
e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb
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SHA512
a1b7d717acd018471632a06e413ac1a50ef1e731c35c23b28b3060fc6340350191f831b0f5c1169a8433a647d79445d8694077cc72f7326d7921da83c5d4315d
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SSDEEP
98304:zf8I/tCmSVBwFlEwSCUaWbdaa2AQsbtivnG5x+0FMRW5TX:78QAXVRwmava2zCtcG55FMRWF
Malware Config
Signatures
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Glupteba family
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1288-2-0x0000000002E20000-0x0000000003697000-memory.dmp family_glupteba behavioral2/memory/1288-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1288-4-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1288-6-0x0000000002E20000-0x0000000003697000-memory.dmp family_glupteba behavioral2/memory/5028-8-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/5028-15-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-21-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2004-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2956 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2004 csrss.exe 2256 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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.
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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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.
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-362 = "GTB Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs csrss.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,-2772 = "Omsk Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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,-462 = "Afghanistan Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1160 schtasks.exe 512 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1288 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 1288 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2004 csrss.exe 2004 csrss.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2004 csrss.exe 2004 csrss.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe 2256 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1288 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Token: SeImpersonatePrivilege 1288 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe Token: SeSystemEnvironmentPrivilege 2004 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5028 wrote to memory of 3944 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 89 PID 5028 wrote to memory of 3944 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 89 PID 3944 wrote to memory of 2956 3944 cmd.exe 91 PID 3944 wrote to memory of 2956 3944 cmd.exe 91 PID 5028 wrote to memory of 2004 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 92 PID 5028 wrote to memory of 2004 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 92 PID 5028 wrote to memory of 2004 5028 JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe 92 PID 2004 wrote to memory of 2256 2004 csrss.exe 99 PID 2004 wrote to memory of 2256 2004 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb.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:5028 -
C:\Windows\system32\cmd.exeC:\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:3944 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2956
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- 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:2004 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:1160
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1348
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2256
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:512
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.1MB
MD5e5340c2523966a6b366097fdc73cd2dd
SHA1ae443acbbf700a8488328c6f6081e992c64cb991
SHA256e19e944b11239f730494a88d0f2537fbb286e865bca1f38d8a0d539f474c9deb
SHA512a1b7d717acd018471632a06e413ac1a50ef1e731c35c23b28b3060fc6340350191f831b0f5c1169a8433a647d79445d8694077cc72f7326d7921da83c5d4315d