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Analysis
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max time kernel
149s -
max time network
146s -
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, 01:01
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe
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Size
4.0MB
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MD5
d956c8361ab251254dc23ca9e67fa82b
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SHA1
c59e381c5eb3b53f58df87d01aa755357eb960d5
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SHA256
23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f
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SHA512
2f30d60b6f0bcb3dcc9a4bfe90eef12801a925bfd30cda14e332f20ad1e2b42acad9f44354f9eb31694ddd7ef93559abcae8c5b232fce92c9e70bbf4f893b1a2
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SSDEEP
98304:7yYe88CWTziGxnRF11jI214beDDUE85Zf0KTSkoq1zkB5:7jeV9xX1i2iyDDTSZMSSkoYkB5
Malware Config
Signatures
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Glupteba family
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2596-2-0x0000000002D50000-0x00000000035C6000-memory.dmp family_glupteba behavioral2/memory/2596-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2596-5-0x0000000002D50000-0x00000000035C6000-memory.dmp family_glupteba behavioral2/memory/2596-4-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3088-8-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3088-14-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-21-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/3024-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1120 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3024 csrss.exe 3396 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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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 46 raw.githubusercontent.com 47 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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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,-82 = "Atlantic Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-1931 = "Russia TZ 11 Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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,-2161 = "Altai Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs csrss.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.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,-771 = "Montevideo Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.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,-512 = "Central Asia Standard Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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 3852 schtasks.exe 4256 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2596 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 2596 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3024 csrss.exe 3024 csrss.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3024 csrss.exe 3024 csrss.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe 3396 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2596 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Token: SeImpersonatePrivilege 2596 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe Token: SeSystemEnvironmentPrivilege 3024 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3088 wrote to memory of 3488 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 87 PID 3088 wrote to memory of 3488 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 87 PID 3488 wrote to memory of 1120 3488 cmd.exe 89 PID 3488 wrote to memory of 1120 3488 cmd.exe 89 PID 3088 wrote to memory of 3024 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 91 PID 3088 wrote to memory of 3024 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 91 PID 3088 wrote to memory of 3024 3088 JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe 91 PID 3024 wrote to memory of 3396 3024 csrss.exe 98 PID 3024 wrote to memory of 3396 3024 csrss.exe 98 -
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_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f.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:3088 -
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:3488 -
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:1120
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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:3024 -
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:3852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5052
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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:3396
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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:4256
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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
4.0MB
MD5d956c8361ab251254dc23ca9e67fa82b
SHA1c59e381c5eb3b53f58df87d01aa755357eb960d5
SHA25623ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f
SHA5122f30d60b6f0bcb3dcc9a4bfe90eef12801a925bfd30cda14e332f20ad1e2b42acad9f44354f9eb31694ddd7ef93559abcae8c5b232fce92c9e70bbf4f893b1a2