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Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2024, 05:48
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe
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Size
4.0MB
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MD5
4b2b3bbfbbe228a821ed518773db68b1
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SHA1
6412c3a17b58c8d11ddbb184e746f05a2fc0d26a
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SHA256
3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5
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SHA512
344b8175bc199e28d8ab267b4c81a69b7a614c4fa742dd6490a7a8694bdbf76105c396bdb3a3eaf2ef2d629b69ad107a888c94a5d7b68f2f952abad0f4bd2b95
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SSDEEP
98304:oC5BcsC0XN1eTGqYiD8nStVOrRE3Lj/oiesTjcgi:1IAXUIhnyVD7j/desTy
Malware Config
Signatures
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Glupteba family
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1800-2-0x0000000002D30000-0x00000000035A7000-memory.dmp family_glupteba behavioral2/memory/1800-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1800-7-0x0000000002D30000-0x00000000035A7000-memory.dmp family_glupteba behavioral2/memory/1800-6-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4588-9-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4588-16-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4828-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4328 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4828 csrss.exe 2588 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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,-452 = "Caucasus Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs csrss.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,-462 = "Afghanistan Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.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,-2611 = "Bougainville Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs csrss.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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,-41 = "E. South America Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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 2360 schtasks.exe 1920 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1800 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 1800 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 4828 csrss.exe 4828 csrss.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 4828 csrss.exe 4828 csrss.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1800 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Token: SeImpersonatePrivilege 1800 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe Token: SeSystemEnvironmentPrivilege 4828 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4588 wrote to memory of 3496 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 92 PID 4588 wrote to memory of 3496 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 92 PID 3496 wrote to memory of 4328 3496 cmd.exe 94 PID 3496 wrote to memory of 4328 3496 cmd.exe 94 PID 4588 wrote to memory of 4828 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 95 PID 4588 wrote to memory of 4828 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 95 PID 4588 wrote to memory of 4828 4588 JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe 95 PID 4828 wrote to memory of 2588 4828 csrss.exe 105 PID 4828 wrote to memory of 2588 4828 csrss.exe 105 -
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_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1800 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5.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:4588 -
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:3496 -
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:4328
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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:4828 -
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:2360
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1748
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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:2588
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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:1920
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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
4.0MB
MD54b2b3bbfbbe228a821ed518773db68b1
SHA16412c3a17b58c8d11ddbb184e746f05a2fc0d26a
SHA2563e39e4c65fa631e7c3b78dd4951da198f8f64c1063899a0b15663fc9e87af2c5
SHA512344b8175bc199e28d8ab267b4c81a69b7a614c4fa742dd6490a7a8694bdbf76105c396bdb3a3eaf2ef2d629b69ad107a888c94a5d7b68f2f952abad0f4bd2b95