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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, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe
-
Size
4.0MB
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MD5
ab22d1cbbeb0b47c6363e0c83ecd5907
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SHA1
c79104d42ea18fcea8a85b7d68877840c661dce4
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SHA256
ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda
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SHA512
111d84cf9d2c61e095bde544b19d152493c895759c1d40be5d742459fd0a23ab60057e7e127474d37d6e2beb7bd5cfbc057de040c5e290c3d76e555c8cc1b230
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SSDEEP
98304:KWi96yb9cE4FfqtbIA35evdtkDUIXD7wgzJ+hKKSKPJD:riWab73Uv3vIT7wgzJIKKSqD
Malware Config
Signatures
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Glupteba family
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/1544-2-0x0000000002ED0000-0x0000000003746000-memory.dmp family_glupteba behavioral2/memory/1544-3-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1544-5-0x0000000002ED0000-0x0000000003746000-memory.dmp family_glupteba behavioral2/memory/1544-4-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4408-8-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4408-9-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/4408-15-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-22-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-23-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-24-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-25-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-26-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-27-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-28-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-29-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-30-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-31-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-32-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-33-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-34-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral2/memory/1772-35-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3496 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1772 csrss.exe 4376 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 59 raw.githubusercontent.com 60 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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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,-2451 = "Saint Pierre Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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,-2161 = "Altai Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-652 = "AUS Central Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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,-2792 = "Novosibirsk Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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,-81 = "Atlantic Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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 3276 schtasks.exe 3424 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1544 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 1544 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 1772 csrss.exe 1772 csrss.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 1772 csrss.exe 1772 csrss.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe 4376 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1544 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Token: SeImpersonatePrivilege 1544 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe Token: SeSystemEnvironmentPrivilege 1772 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4408 wrote to memory of 1980 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 86 PID 4408 wrote to memory of 1980 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 86 PID 1980 wrote to memory of 3496 1980 cmd.exe 88 PID 1980 wrote to memory of 3496 1980 cmd.exe 88 PID 4408 wrote to memory of 1772 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 89 PID 4408 wrote to memory of 1772 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 89 PID 4408 wrote to memory of 1772 4408 JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe 89 PID 1772 wrote to memory of 4376 1772 csrss.exe 94 PID 1772 wrote to memory of 4376 1772 csrss.exe 94 -
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_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1544 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda.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:4408 -
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:1980 -
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:3496
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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:1772 -
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:3276
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4032
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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:4376
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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:3424
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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
MD5ab22d1cbbeb0b47c6363e0c83ecd5907
SHA1c79104d42ea18fcea8a85b7d68877840c661dce4
SHA256ea2f7d3ab7903c88beb9c8003a9a489b4a220077e22589f862c75f31117adfda
SHA512111d84cf9d2c61e095bde544b19d152493c895759c1d40be5d742459fd0a23ab60057e7e127474d37d6e2beb7bd5cfbc057de040c5e290c3d76e555c8cc1b230