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Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
19/08/2024, 05:25
Static task
static1
Behavioral task
behavioral1
Sample
a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe
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Size
680KB
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MD5
a9c23eddb8ccb3008ef6dcf7500dc833
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SHA1
14440dd1c9dcb5ee0aafacd4fa6e4457ac8bf1da
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SHA256
70fa8d9e6b819e18967b7e4d8a7fc50030800c9427d66b657dda837a0a434052
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SHA512
415d65be32ee25d5b1e1676e005bbb315aced8597e11038c5bcaae0541b15715767bc72f7a22e17eacc0eb1436a04204c6df51344df34a1ad1a2b3b51d65403e
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SSDEEP
12288:qClephVMo7IYJAB++2RrxRAjbeNC2v+clES+vYOqH:fOhKpYyB/MrxRAZMES+b+
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\9a095c00\\X" Explorer.EXE -
Modifies firewall policy service 3 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List svcnost.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\xenkerstomwirgypnhftjktacwhcfbrc2\svcnost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\xenkerstomwirgypnhftjktacwhcfbrc2\\svcnost.exe:*:Enabled:ldrsoft" svcnost.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" GFW6ssUz.exe Set value (int) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fueulo.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\etc\hosts 4kaq.exe -
Deletes itself 1 IoCs
pid Process 764 cmd.exe -
Executes dropped EXE 12 IoCs
pid Process 2980 GFW6ssUz.exe 2824 fueulo.exe 2740 2kaq.exe 2616 2kaq.exe 3068 2kaq.exe 2968 2kaq.exe 2480 2kaq.exe 3012 2kaq.exe 2860 3kaq.exe 332 csrss.exe 1956 X 2436 4kaq.exe -
Loads dropped DLL 14 IoCs
pid Process 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 2980 GFW6ssUz.exe 2980 GFW6ssUz.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 2860 3kaq.exe 2860 3kaq.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 916 svcnost.exe 916 svcnost.exe -
resource yara_rule behavioral1/memory/3068-54-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/3068-62-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/2616-61-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/3068-59-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/3068-58-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/2616-55-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/3068-50-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/3068-48-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral1/memory/2616-45-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2616-42-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2616-40-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2968-85-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2480-83-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2968-81-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2480-78-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2480-76-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2968-72-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2968-69-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2968-67-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/2480-88-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2480-86-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2616-135-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/2436-150-0x0000000000400000-0x0000000000B19000-memory.dmp upx behavioral1/memory/1316-149-0x0000000002990000-0x00000000030A9000-memory.dmp upx behavioral1/memory/2480-151-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/files/0x00050000000194fd-148.dat upx behavioral1/memory/2968-143-0x0000000000400000-0x0000000000427000-memory.dmp upx behavioral1/memory/916-159-0x0000000000400000-0x0000000000B19000-memory.dmp upx behavioral1/memory/2436-166-0x0000000000400000-0x0000000000B19000-memory.dmp upx behavioral1/memory/916-181-0x0000000000400000-0x0000000000B19000-memory.dmp upx -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 31.193.3.240 Destination IP 31.193.3.240 Destination IP 31.193.3.240 Destination IP 31.193.3.240 Destination IP 31.193.3.240 -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /a" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /M" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /v" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /x" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /g" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /y" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /l" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /T" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /G" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /q" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /j" GFW6ssUz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /n" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /A" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /W" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /V" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /U" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /K" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /b" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /F" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /E" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /Y" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /j" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /I" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /t" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /S" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /h" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /B" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /c" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /Q" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Init = "\"C:\\Users\\Admin\\AppData\\Roaming\\xenkerstomwirgypnhftjktacwhcfbrc2\\svcnost.exe\"" 4kaq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /r" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /J" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /f" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /R" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /w" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /D" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /L" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /P" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /p" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /z" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /X" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /m" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /o" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /i" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /O" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /C" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /s" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /H" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /d" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /k" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /u" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /Z" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /e" fueulo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\fueulo = "C:\\Users\\Admin\\fueulo.exe /N" fueulo.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\desktop.ini svcnost.exe File opened for modification C:\Users\Admin\AppData\Roaming\desktop.ini svcnost.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 2kaq.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 2kaq.exe -
Enumerates processes with tasklist 1 TTPs 2 IoCs
pid Process 2820 tasklist.exe 1268 tasklist.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 2740 set thread context of 2616 2740 2kaq.exe 37 PID 2740 set thread context of 3068 2740 2kaq.exe 38 PID 2740 set thread context of 2968 2740 2kaq.exe 39 PID 2740 set thread context of 2480 2740 2kaq.exe 40 PID 2740 set thread context of 3012 2740 2kaq.exe 41 PID 2860 set thread context of 2160 2860 3kaq.exe 45 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 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 4kaq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2kaq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3kaq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFW6ssUz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fueulo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2kaq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2kaq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svcnost.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry svcnost.exe Set value (data) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Internet Explorer\LowRegistry\SavedLegacySettingsML = 363036373837303332 svcnost.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \registry\machine\Software\Classes\Interface\{3daec294-931b-30ae-6e14-40c879f05e8c} 3kaq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3daec294-931b-30ae-6e14-40c879f05e8c}\u = "188" 3kaq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3daec294-931b-30ae-6e14-40c879f05e8c}\cid = "8675989091593531875" 3kaq.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2980 GFW6ssUz.exe 2980 GFW6ssUz.exe 3068 2kaq.exe 2968 2kaq.exe 2860 3kaq.exe 2860 3kaq.exe 2860 3kaq.exe 2860 3kaq.exe 1956 X 2824 fueulo.exe 2968 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 2824 fueulo.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 3068 2kaq.exe 2824 fueulo.exe 2824 fueulo.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 3068 2kaq.exe 2824 fueulo.exe 2824 fueulo.exe 2824 fueulo.exe 3068 2kaq.exe 2436 4kaq.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 2824 fueulo.exe 2824 fueulo.exe 3068 2kaq.exe 3068 2kaq.exe 3068 2kaq.exe 2824 fueulo.exe 3068 2kaq.exe 3068 2kaq.exe 3068 2kaq.exe 2824 fueulo.exe 2824 fueulo.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2820 tasklist.exe Token: SeDebugPrivilege 2860 3kaq.exe Token: SeDebugPrivilege 2860 3kaq.exe Token: SeDebugPrivilege 1268 tasklist.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 2980 GFW6ssUz.exe 2824 fueulo.exe 2740 2kaq.exe 2616 2kaq.exe 2480 2kaq.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 332 csrss.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1316 wrote to memory of 2980 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 30 PID 1316 wrote to memory of 2980 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 30 PID 1316 wrote to memory of 2980 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 30 PID 1316 wrote to memory of 2980 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 30 PID 2980 wrote to memory of 2824 2980 GFW6ssUz.exe 31 PID 2980 wrote to memory of 2824 2980 GFW6ssUz.exe 31 PID 2980 wrote to memory of 2824 2980 GFW6ssUz.exe 31 PID 2980 wrote to memory of 2824 2980 GFW6ssUz.exe 31 PID 2980 wrote to memory of 2728 2980 GFW6ssUz.exe 32 PID 2980 wrote to memory of 2728 2980 GFW6ssUz.exe 32 PID 2980 wrote to memory of 2728 2980 GFW6ssUz.exe 32 PID 2980 wrote to memory of 2728 2980 GFW6ssUz.exe 32 PID 2728 wrote to memory of 2820 2728 cmd.exe 34 PID 2728 wrote to memory of 2820 2728 cmd.exe 34 PID 2728 wrote to memory of 2820 2728 cmd.exe 34 PID 2728 wrote to memory of 2820 2728 cmd.exe 34 PID 1316 wrote to memory of 2740 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 36 PID 1316 wrote to memory of 2740 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 36 PID 1316 wrote to memory of 2740 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 36 PID 1316 wrote to memory of 2740 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 36 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 2616 2740 2kaq.exe 37 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 3068 2740 2kaq.exe 38 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2968 2740 2kaq.exe 39 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 2480 2740 2kaq.exe 40 PID 2740 wrote to memory of 3012 2740 2kaq.exe 41 PID 2740 wrote to memory of 3012 2740 2kaq.exe 41 PID 2740 wrote to memory of 3012 2740 2kaq.exe 41 PID 2740 wrote to memory of 3012 2740 2kaq.exe 41 PID 2740 wrote to memory of 3012 2740 2kaq.exe 41 PID 1316 wrote to memory of 2860 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 42 PID 1316 wrote to memory of 2860 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 42 PID 1316 wrote to memory of 2860 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 42 PID 1316 wrote to memory of 2860 1316 a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe 42 PID 2860 wrote to memory of 1200 2860 3kaq.exe 21 PID 2860 wrote to memory of 332 2860 3kaq.exe 2 PID 2860 wrote to memory of 1956 2860 3kaq.exe 43
Processes
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:332
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies WinLogon for persistence
PID:1200 -
C:\Users\Admin\AppData\Local\Temp\a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Users\Admin\GFW6ssUz.exeC:\Users\Admin\GFW6ssUz.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\fueulo.exe"C:\Users\Admin\fueulo.exe"4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2824
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del GFW6ssUz.exe4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\tasklist.exetasklist5⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Users\Admin\2kaq.exeC:\Users\Admin\2kaq.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\2kaq.exe"C:\Users\Admin\2kaq.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2616
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C:\Users\Admin\2kaq.exe"C:\Users\Admin\2kaq.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3068
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C:\Users\Admin\2kaq.exe"C:\Users\Admin\2kaq.exe"4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2968
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C:\Users\Admin\2kaq.exe"C:\Users\Admin\2kaq.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2480
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C:\Users\Admin\2kaq.exe"C:\Users\Admin\2kaq.exe"4⤵
- Executes dropped EXE
PID:3012
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C:\Users\Admin\3kaq.exeC:\Users\Admin\3kaq.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Users\Admin\AppData\Local\9a095c00\X*0*bc*8798b1e3*31.193.3.240:534⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1956
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"4⤵
- System Location Discovery: System Language Discovery
PID:2160
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C:\Users\Admin\4kaq.exeC:\Users\Admin\4kaq.exe3⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2436 -
C:\Users\Admin\AppData\Roaming\xenkerstomwirgypnhftjktacwhcfbrc2\svcnost.exe"C:\Users\Admin\AppData\Roaming\xenkerstomwirgypnhftjktacwhcfbrc2\svcnost.exe"4⤵
- Modifies firewall policy service
- Loads dropped DLL
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:916
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:764 -
C:\Windows\SysWOW64\tasklist.exetasklist4⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1268
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:2352
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
5Replay Monitor
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Downloads
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Filesize
120KB
MD5ee3508d5206de400e5792c826ae71aae
SHA1b448132f604b7e886343b911cc56371a7f251c04
SHA256f6226f935ea3d5ecc4be3ccf6a59caff31ed3e6bd35c5d26fbe3906b4379b35d
SHA512233f72bf8cf5d72b7f7c09bf546220fa0c34511330349fa28ef4c746b19f59696b5e515a7d345862430979800be354ab954aa55f79747a83d601abdf32bd24fb
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Filesize
29KB
MD51149c1bd71248a9d170e4568fb08df30
SHA16f77f183d65709901f476c5d6eebaed060a495f9
SHA256c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1
SHA5129e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459
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Filesize
132KB
MD5d7dbb57f65cb963477a8fa11714ec0be
SHA1756d29032644973b9f48980a1e30448206811119
SHA25694242fda567e2b4dc0be9d4ca5370ff0ddee2d25751dd191c3fed995837c10ec
SHA5121db3577abd73c8c8667da426faedf63ad9c7a75462cbeac0be19a525690baaa9f1d8446d3b804abbf24550d73cbefecf6c77c224539e8dd5db37f34f7e975fdc
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Filesize
277KB
MD500b72668c42555c6d9e3cee383730fc0
SHA1509a7c39baf2b9a46813c641cca687b37e244d5a
SHA256baaacce5c3f18154d4925ec6568ccf66f4ab9ee5477bd0faf44f08d9397641dd
SHA5121bfa5cd6081a5e8556b452cf4741831da829fcc9e2b51c77c92a4fdacfa1b934d14bc049f8185be09b1447664f55956f69e7fd16a868c9655eb32f9b9ef02e78
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Filesize
38KB
MD572de2dadaf875e2fd7614e100419033c
SHA15f17c5330e91a42daa9ff24c4aa602bd1a72bf6e
SHA256c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381
SHA512e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3
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Filesize
9KB
MD54a27242b307c6a836993353035fafc16
SHA15fea7a41b8f9071848108015d8a952e6f944eea0
SHA25602fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1
SHA51235e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be
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Filesize
54KB
MD57e8e966927e04a35aec644602b8a9e05
SHA1d201b0b41e8701818d60ddbf9f334332a512c4da
SHA25646f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c
SHA512246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51
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Filesize
312KB
MD5d0250c92bd9e6c62c0c8227ea7bc0df4
SHA19a9fd691422b105c5e008764b980d1568c2df957
SHA256ee113e2ee5cd0d396af0e79c2390d059355d24e426886bbacda44d7f39a28007
SHA51299ab659dd56fabf0bd488f754cc7d1b166e1727b5a742d4262062946b5aa79577499fff55e434b6dbe05efa11e9ce2ce58cf68f30e29d9b5580e20de4e974200
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Filesize
312KB
MD57b6ec3a7e0906f6916fabb75a48c6cd8
SHA16f5f5fec1a534814b24db66b8ad439dace4bc612
SHA2560414c2bed04912e28dff1d835ff1f0338967eadf0529f57c8225ff9cb70708c9
SHA512af74f7abe7c1bee4975388b5375789f6ebd30038470a46256c2317064a465d40faad19cf5d645724ade78bd4e057648f543bd73e09c43c7f02f66f26181720ef
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Filesize
2KB
MD53a7482ba479bf81871823c500396d7f4
SHA14bfe4b0745895cce782cc0a90a8cfe9ba1cc3ca0
SHA25693fd7ce6c6fc5480976b1053b6fe569c589ff5e32ed7731074b827a220b7877e
SHA5124841c45264b44e15a96a438fe6c6ab94b56fa59f67b09f75b2c74850af88df7f5b9b2071d490eb1da4132cfe190f2ab716d8d86e9f80e87d1663bc48213f7cf3