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Analysis
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max time kernel
150s -
max time network
148s -
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, 21:13
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe
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Size
4.1MB
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MD5
4cf41255dad149b4aa5b912c983e4973
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SHA1
309169429cd3e5e1e7e858b1397ff6cb157c3e34
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SHA256
18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23
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SHA512
aa7cac1a80a622c9d234dd2ce3240c1d020330dfb58e8f00e02b29ac9e3ff681c49347d45866e29aa26975c2aac35f4d2379d29c9feed7c03fccc467f2d2477f
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SSDEEP
98304:8EUXjxKE/tLlTNA9137X2o9jwFl45jsPrwNb3ylYT1GI:TmN/tLJN8VrRjGl45jsPcNb3PJd
Malware Config
Signatures
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Glupteba family
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1956-2-0x0000000002D70000-0x00000000035E7000-memory.dmp family_glupteba behavioral2/memory/1956-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1956-6-0x0000000002D70000-0x00000000035E7000-memory.dmp family_glupteba behavioral2/memory/1956-4-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2100-8-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2100-15-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-21-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/2324-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 60 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2324 csrss.exe 2800 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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 csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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,-652 = "AUS Central Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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,-132 = "US Eastern Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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,-2611 = "Bougainville Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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 4560 schtasks.exe 4832 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1956 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 1956 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2324 csrss.exe 2324 csrss.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2324 csrss.exe 2324 csrss.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1956 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Token: SeImpersonatePrivilege 1956 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe Token: SeSystemEnvironmentPrivilege 2324 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2100 wrote to memory of 3048 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 93 PID 2100 wrote to memory of 3048 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 93 PID 3048 wrote to memory of 60 3048 cmd.exe 95 PID 3048 wrote to memory of 60 3048 cmd.exe 95 PID 2100 wrote to memory of 2324 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 96 PID 2100 wrote to memory of 2324 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 96 PID 2100 wrote to memory of 2324 2100 JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe 96 PID 2324 wrote to memory of 2800 2324 csrss.exe 106 PID 2324 wrote to memory of 2800 2324 csrss.exe 106 -
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_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23.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:2100 -
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:3048 -
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:60
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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:2324 -
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:4832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4688
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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:2800
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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:4560
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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
MD54cf41255dad149b4aa5b912c983e4973
SHA1309169429cd3e5e1e7e858b1397ff6cb157c3e34
SHA25618221d7469983e0559fbbceb7316d3980577df844167a24eff06eb003ac55b23
SHA512aa7cac1a80a622c9d234dd2ce3240c1d020330dfb58e8f00e02b29ac9e3ff681c49347d45866e29aa26975c2aac35f4d2379d29c9feed7c03fccc467f2d2477f