Analysis
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max time kernel
146s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-09-2024 15:55
Static task
static1
Behavioral task
behavioral1
Sample
cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe
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Size
100KB
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MD5
cfe76f9e508225af0aa15d40e6bdbdf4
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SHA1
cd0b9ff807980b8b018a01c2e1ef5587832a2119
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SHA256
d12617ef6273feb76ad5d0a86e879ff3cf2ef7bd8e305b3fbeb6d55dc36e8e93
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SHA512
bcf8e3838244f588b0a30cbe7cbdc664528903ebabbfa7f2cf15dfae7e8dc5fd2fd428d07b0741a3be613f3ddffe347a732d2d1d585d56518b48dfe8bba02cd6
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SSDEEP
1536:oOhW87gEEEEEEEEEEEEEEEEEnEEEEEEEEEEEEEEEEEEEYEEEEEEIJjjaU1ggJr65:oOW87KaU1ggD/nrEHsFff+2P6HSrzQ
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat privateftp.exe -
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 4 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 privateftp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language privateftp.exe -
Modifies data under HKEY_USERS 25 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" privateftp.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E} privateftp.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E}\WpadNetworkName = "Network 3" privateftp.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 privateftp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad privateftp.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E}\WpadDecision = "0" privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-05-ab-ca-bf\WpadDecisionTime = 70fbd5347500db01 privateftp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections privateftp.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-05-ab-ca-bf\WpadDecision = "0" privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E}\WpadDecisionTime = b0f8bf857500db01 privateftp.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 privateftp.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-05-ab-ca-bf privateftp.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E}\4e-4f-05-ab-ca-bf privateftp.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-05-ab-ca-bf\WpadDetectedUrl privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-05-ab-ca-bf\WpadDecisionTime = b0f8bf857500db01 privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 privateftp.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix privateftp.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" privateftp.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E}\WpadDecisionReason = "1" privateftp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings privateftp.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{818A60C0-C6AA-465F-B0C6-49E49E5A8D4E}\WpadDecisionTime = 70fbd5347500db01 privateftp.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-4f-05-ab-ca-bf\WpadDecisionReason = "1" privateftp.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2316 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe 2816 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe 2720 privateftp.exe 2800 privateftp.exe 2800 privateftp.exe 2800 privateftp.exe 2800 privateftp.exe 2800 privateftp.exe 2800 privateftp.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2816 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2816 2316 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe 30 PID 2316 wrote to memory of 2816 2316 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe 30 PID 2316 wrote to memory of 2816 2316 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe 30 PID 2316 wrote to memory of 2816 2316 cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe 30 PID 2720 wrote to memory of 2800 2720 privateftp.exe 32 PID 2720 wrote to memory of 2800 2720 privateftp.exe 32 PID 2720 wrote to memory of 2800 2720 privateftp.exe 32 PID 2720 wrote to memory of 2800 2720 privateftp.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Local\Temp\cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cfe76f9e508225af0aa15d40e6bdbdf4_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
PID:2816
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C:\Windows\SysWOW64\privateftp.exe"C:\Windows\SysWOW64\privateftp.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\privateftp.exe"C:\Windows\SysWOW64\privateftp.exe"2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2800
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