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Analysis
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max time kernel
143s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22/09/2024, 13:16
Behavioral task
behavioral1
Sample
f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe
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Size
148KB
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MD5
f21840bca0f16abd3492be6aa887cd83
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SHA1
1d3a041574ab242c2f00d186ce8a6fb435406b99
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SHA256
123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67
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SHA512
1662b7c5e98f96ee62b724586904492bfaf270c61e3c3b41497d8bb66d121fc022ddd26e086a428fe4ae0602077d20bed39250de8ed2ad8f78d1e6dda3daeb3b
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SSDEEP
3072:nX4RybtCyyL9v16SQqiEl6gkciScgYP/3/bUk+ARsOHv7+HmEEtFuJy3o:noRgCDvkSQ24xcilZPHbUpAlvqHXEzuK
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2576 WMPRWISE.EXE -
Loads dropped DLL 4 IoCs
pid Process 2008 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe 2008 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe 2576 WMPRWISE.EXE 2576 WMPRWISE.EXE -
resource yara_rule behavioral1/memory/2008-0-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral1/files/0x0009000000012255-6.dat upx behavioral1/memory/2008-12-0x00000000002C0000-0x00000000002FE000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Firewall 2.9 = "C:\\Users\\Admin\\AppData\\Roaming\\WMPRWISE.EXE" f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\desktop.ini WMPRWISE.EXE File opened for modification C:\Users\Admin\AppData\Roaming\desktop.ini WMPRWISE.EXE -
System Location Discovery: System Language Discovery 1 TTPs 2 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 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMPRWISE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry WMPRWISE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Internet Explorer\LowRegistry\SavedLegacySettingsML = 383434393731383632 WMPRWISE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2576 2008 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe 30 PID 2008 wrote to memory of 2576 2008 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe 30 PID 2008 wrote to memory of 2576 2008 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe 30 PID 2008 wrote to memory of 2576 2008 f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f21840bca0f16abd3492be6aa887cd83_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Roaming\WMPRWISE.EXEC:\Users\Admin\AppData\Roaming\WMPRWISE.EXE2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
PID:2576
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148KB
MD5f21840bca0f16abd3492be6aa887cd83
SHA11d3a041574ab242c2f00d186ce8a6fb435406b99
SHA256123b0ce5f4e65569abe18ac65f4059dd2ab2968c5cffb95d40af47c650ab5e67
SHA5121662b7c5e98f96ee62b724586904492bfaf270c61e3c3b41497d8bb66d121fc022ddd26e086a428fe4ae0602077d20bed39250de8ed2ad8f78d1e6dda3daeb3b
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Filesize
9KB
MD54a27242b307c6a836993353035fafc16
SHA15fea7a41b8f9071848108015d8a952e6f944eea0
SHA25602fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1
SHA51235e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be
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Filesize
54KB
MD57e8e966927e04a35aec644602b8a9e05
SHA1d201b0b41e8701818d60ddbf9f334332a512c4da
SHA25646f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c
SHA512246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51