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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/12/2024, 20:45
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe
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Size
4.1MB
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MD5
fd27f1e3c55f1739d546f4faceb39984
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SHA1
43ee303c6947d9de183b542ed424a1febc3b6129
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SHA256
99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3
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SHA512
278d6ea3b2fa507485b30e2ddf813df6635d3e0bf7698cd800acc803c3c4e23402964a1e2c65494381b4f0d4206bbfaa8dfed502a80adcd0262477ee1fd5cbe9
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SSDEEP
98304:VLVPU1jTZmc9NFhNDVJVb67aQgEUO2PAEzpFoLqIgYAtn9W6vgXp6BtAKx2FxNbR:bMh0Q3VmOQgEYHzpFoL/gYGn9W6vgZug
Malware Config
Signatures
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Glupteba family
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1932-2-0x0000000002E50000-0x00000000036C6000-memory.dmp family_glupteba behavioral2/memory/1932-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1932-5-0x0000000002E50000-0x00000000036C6000-memory.dmp family_glupteba behavioral2/memory/1932-4-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1488-8-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1488-14-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-21-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1524-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 220 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1524 csrss.exe 4496 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 47 raw.githubusercontent.com 48 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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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 queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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,-622 = "Korea Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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,-841 = "Argentina Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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,-252 = "Dateline Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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,-222 = "Alaskan Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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,-662 = "Cen. Australia Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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 832 schtasks.exe 4960 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1932 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1932 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 1524 csrss.exe 1524 csrss.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 1524 csrss.exe 1524 csrss.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1932 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Token: SeImpersonatePrivilege 1932 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe Token: SeSystemEnvironmentPrivilege 1524 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1488 wrote to memory of 2256 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 86 PID 1488 wrote to memory of 2256 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 86 PID 2256 wrote to memory of 220 2256 cmd.exe 88 PID 2256 wrote to memory of 220 2256 cmd.exe 88 PID 1488 wrote to memory of 1524 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 89 PID 1488 wrote to memory of 1524 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 89 PID 1488 wrote to memory of 1524 1488 JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe 89 PID 1524 wrote to memory of 4496 1524 csrss.exe 97 PID 1524 wrote to memory of 4496 1524 csrss.exe 97 -
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_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3.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:1488 -
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:2256 -
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:220
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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:1524 -
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:832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4600
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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:4496
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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:4960
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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
MD5fd27f1e3c55f1739d546f4faceb39984
SHA143ee303c6947d9de183b542ed424a1febc3b6129
SHA25699dfef80934362aa5f8bde8007412ded6ba5f66346a3f94e8e3de1e143f3d5f3
SHA512278d6ea3b2fa507485b30e2ddf813df6635d3e0bf7698cd800acc803c3c4e23402964a1e2c65494381b4f0d4206bbfaa8dfed502a80adcd0262477ee1fd5cbe9