Analysis
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max time kernel
138s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 11:42
Static task
static1
Behavioral task
behavioral1
Sample
efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe
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Size
163KB
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MD5
efb7a3e2cb8f232021f1c5e081073998
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SHA1
0f7143d8798ea1ef4a3611410442732a9a23b13a
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SHA256
273b13b692817e33ad527583c8594e133d378bfc4fdbd09be1c9228253024192
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SHA512
b6b46eb1addb6598798e220b3727532dff13eb3287da23b6ad42eaca0f4f46c35703cfc4c1e19eb1d47c04fd06003a7c6b01ce1fbf0118125ef27d1c1b90d69e
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SSDEEP
3072:4WMG0BC83uZtGi5jKJZxgedEZoj53JwU90WZXH6woQnk5+iIg:4XC83nZSedEZoj53lp6Inz
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 eventsrandom.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 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eventsrandom.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eventsrandom.exe -
Modifies data under HKEY_USERS 21 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadNetworkName = "Network 3" eventsrandom.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac\WpadDecisionTime = 0074cc741b0cdb01 eventsrandom.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings eventsrandom.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16} eventsrandom.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadDecisionReason = "1" eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections eventsrandom.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0197000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 eventsrandom.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadDecisionTime = 0074cc741b0cdb01 eventsrandom.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac\WpadDecisionReason = "1" eventsrandom.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" eventsrandom.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" eventsrandom.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\WpadDecision = "0" eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac eventsrandom.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{08DC7B49-503D-4F0F-8CC3-A84F53791F16}\ea-cb-2e-67-9a-ac eventsrandom.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-cb-2e-67-9a-ac\WpadDecision = "0" eventsrandom.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 eventsrandom.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" eventsrandom.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2796 eventsrandom.exe 2796 eventsrandom.exe 2796 eventsrandom.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2520 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe -
Suspicious use of UnmapMainImage 4 IoCs
pid Process 1724 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe 2520 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe 1848 eventsrandom.exe 2796 eventsrandom.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1724 wrote to memory of 2520 1724 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe 30 PID 1724 wrote to memory of 2520 1724 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe 30 PID 1724 wrote to memory of 2520 1724 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe 30 PID 1724 wrote to memory of 2520 1724 efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe 30 PID 1848 wrote to memory of 2796 1848 eventsrandom.exe 32 PID 1848 wrote to memory of 2796 1848 eventsrandom.exe 32 PID 1848 wrote to memory of 2796 1848 eventsrandom.exe 32 PID 1848 wrote to memory of 2796 1848 eventsrandom.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Local\Temp\efb7a3e2cb8f232021f1c5e081073998_JaffaCakes118.exe--ceae77992⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:2520
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C:\Windows\SysWOW64\eventsrandom.exe"C:\Windows\SysWOW64\eventsrandom.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\eventsrandom.exe--de7e264e2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2796
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