Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 18:17
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe
-
Size
4.1MB
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MD5
9d108333b2a435a6af1017863d877790
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SHA1
678704af76a9b90b8495c0e153e9b990b9a18029
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SHA256
1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c
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SHA512
ed508e39ca42627ff6fec68e2d0218b5c9a36d36858c1e25eb7348a6fa41a56832225e0beef49739ea3faa2edd58df34fdd5300ae82f62c2f5ec9aad0d9b9081
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SSDEEP
98304:VUNoxhZXPfn84xs28tH9w3wj44OmuBQQtDcFccBD1Ku:+NY/Xnn8HdmgjZuB/2Fcy
Malware Config
Signatures
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Glupteba family
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2564-2-0x0000000003000000-0x0000000003877000-memory.dmp family_glupteba behavioral2/memory/2564-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2564-4-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2564-5-0x0000000003000000-0x0000000003877000-memory.dmp family_glupteba behavioral2/memory/2700-8-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2700-14-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-21-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3340-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2692 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3340 csrss.exe 1216 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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 51 raw.githubusercontent.com 52 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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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,-831 = "SA Eastern Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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,-2181 = "Astrakhan Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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,-385 = "Namibia Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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,-105 = "Central Brazilian Standard Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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 5096 schtasks.exe 208 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2564 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2564 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 3340 csrss.exe 3340 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 3340 csrss.exe 3340 csrss.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe 1216 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2564 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Token: SeImpersonatePrivilege 2564 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe Token: SeSystemEnvironmentPrivilege 3340 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2700 wrote to memory of 2304 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 87 PID 2700 wrote to memory of 2304 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 87 PID 2304 wrote to memory of 2692 2304 cmd.exe 89 PID 2304 wrote to memory of 2692 2304 cmd.exe 89 PID 2700 wrote to memory of 3340 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 90 PID 2700 wrote to memory of 3340 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 90 PID 2700 wrote to memory of 3340 2700 JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe 90 PID 3340 wrote to memory of 1216 3340 csrss.exe 95 PID 3340 wrote to memory of 1216 3340 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2564 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c.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:2700 -
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:2304 -
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:2692
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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:3340 -
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:5096
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4892
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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:1216
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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:208
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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
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Downloads
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.1MB
MD59d108333b2a435a6af1017863d877790
SHA1678704af76a9b90b8495c0e153e9b990b9a18029
SHA2561d9839223ad11cd0bcf02819e1f190d52d0749bc3fe0b7fbfb9e19b65838545c
SHA512ed508e39ca42627ff6fec68e2d0218b5c9a36d36858c1e25eb7348a6fa41a56832225e0beef49739ea3faa2edd58df34fdd5300ae82f62c2f5ec9aad0d9b9081