Analysis
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max time kernel
137s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-09-2024 09:13
Static task
static1
Behavioral task
behavioral1
Sample
dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe
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Size
126KB
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MD5
dc26e4a7b224188c789d83333a3e28fb
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SHA1
4407d0c8fbab79484543377b78bb8868b0db9b32
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SHA256
dc35e88bd93d9a45023ffdd08fe3b867db5a93088a857b155807c5849840f546
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SHA512
65c98b0a9fec22ec4a034a0d4649056d32c955c0e57135b5b009b62248676b36b7f2536dcf80a973e2d008e1a9393ce3ffa24f8f00f93e44d888d07b94726a40
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SSDEEP
3072:u3zFEhPHHIUjCgArLEZXApH3UHE360bSYU087h:ujFSHIU2Y9KEHE36uS3
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 scrnjobs.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 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language scrnjobs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language scrnjobs.exe -
Modifies data under HKEY_USERS 21 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix scrnjobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EACA444B-96DD-4905-9134-0CEFA1DA39F1}\WpadDecisionReason = "1" scrnjobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-9b-15-30-c0-d0\WpadDecisionTime = b0e64313f404db01 scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EACA444B-96DD-4905-9134-0CEFA1DA39F1} scrnjobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EACA444B-96DD-4905-9134-0CEFA1DA39F1}\WpadDecisionTime = b0e64313f404db01 scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-9b-15-30-c0-d0 scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EACA444B-96DD-4905-9134-0CEFA1DA39F1}\92-9b-15-30-c0-d0 scrnjobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad scrnjobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EACA444B-96DD-4905-9134-0CEFA1DA39F1}\WpadDecision = "0" scrnjobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EACA444B-96DD-4905-9134-0CEFA1DA39F1}\WpadNetworkName = "Network 3" scrnjobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-9b-15-30-c0-d0\WpadDecisionReason = "1" scrnjobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-9b-15-30-c0-d0\WpadDecision = "0" scrnjobs.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings scrnjobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 scrnjobs.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" scrnjobs.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" scrnjobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 scrnjobs.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f016b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 scrnjobs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2716 scrnjobs.exe 2716 scrnjobs.exe 2716 scrnjobs.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2772 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe -
Suspicious use of UnmapMainImage 4 IoCs
pid Process 2748 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe 2772 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe 2832 scrnjobs.exe 2716 scrnjobs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2748 wrote to memory of 2772 2748 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe 30 PID 2748 wrote to memory of 2772 2748 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe 30 PID 2748 wrote to memory of 2772 2748 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe 30 PID 2748 wrote to memory of 2772 2748 dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe 30 PID 2832 wrote to memory of 2716 2832 scrnjobs.exe 32 PID 2832 wrote to memory of 2716 2832 scrnjobs.exe 32 PID 2832 wrote to memory of 2716 2832 scrnjobs.exe 32 PID 2832 wrote to memory of 2716 2832 scrnjobs.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Users\Admin\AppData\Local\Temp\dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe--aa3f62412⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:2772
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C:\Windows\SysWOW64\scrnjobs.exe"C:\Windows\SysWOW64\scrnjobs.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\SysWOW64\scrnjobs.exe--63c45d42⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2716
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