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Analysis
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max time kernel
149s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13/10/2024, 15:42
Static task
static1
Behavioral task
behavioral1
Sample
40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe
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Size
440KB
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MD5
40b040f5ec946603cc65f8e596f31167
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SHA1
604e23115be10c0bcdf5ddd30326db18575db5be
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SHA256
6db1c1d9c8d7f85e1ce1bff0c287510707d1aecabc11226a2c358d7f9e8afea8
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SHA512
ece11c87d77bf13a28d835a0e83f988a6c2c3cd7236fe4a620960c8d5c6e801c247db9313353510fb173ec45dc8423d39abf327c7f3c2847db811ea43875abe1
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SSDEEP
12288:2lFxJRcDqbcf+erao9ci+gSRqa409MB9Tlw1:2XwW25qxzg
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2120 oEmDgCp08400.exe -
Executes dropped EXE 1 IoCs
pid Process 2120 oEmDgCp08400.exe -
Loads dropped DLL 2 IoCs
pid Process 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\oEmDgCp08400 = "C:\\ProgramData\\oEmDgCp08400\\oEmDgCp08400.exe" oEmDgCp08400.exe -
resource yara_rule behavioral1/memory/2440-2-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2120-17-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2120-16-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2440-21-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2440-22-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2120-24-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2120-40-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2440-55-0x0000000000400000-0x00000000004B9000-memory.dmp upx behavioral1/memory/2440-56-0x0000000000400000-0x00000000004B5000-memory.dmp upx -
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 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oEmDgCp08400.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main oEmDgCp08400.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe Token: SeDebugPrivilege 2120 oEmDgCp08400.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2120 oEmDgCp08400.exe 2120 oEmDgCp08400.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2120 oEmDgCp08400.exe 2120 oEmDgCp08400.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2120 oEmDgCp08400.exe 2120 oEmDgCp08400.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2440 wrote to memory of 2120 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe 28 PID 2440 wrote to memory of 2120 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe 28 PID 2440 wrote to memory of 2120 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe 28 PID 2440 wrote to memory of 2120 2440 40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\ProgramData\oEmDgCp08400\oEmDgCp08400.exe"C:\ProgramData\oEmDgCp08400\oEmDgCp08400.exe" "C:\Users\Admin\AppData\Local\Temp\40b040f5ec946603cc65f8e596f31167_JaffaCakes118.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2120
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
440KB
MD5eee4a48e2d13616503a8855aa78715a0
SHA17f70d5d7f4b4af9141ebdfe338e149bbc98daebd
SHA256d2a762ec70c0c83324dab553c5c489b598bfb982959c0d65cd65d5a831701685
SHA51270a1b89e22bab1ff871b0ac469d6f8edb369adf276e890986fa09134bff4fe17b150009722f82488d4ca253a7d5395a58b5ff088d45cc0dbc5bfbfab73405e61