Analysis
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max time kernel
95s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/09/2024, 19:11
Behavioral task
behavioral1
Sample
ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe
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Size
784KB
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MD5
ff31dfde99741cd6f92575af703657ef
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SHA1
b2faf015e76f8d798ad29af64fdb761d56120fae
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SHA256
f07aed9211f51ad0d6f49490e6b5cc3cda7c0a53eba203d25f0b6a5cc0e55e87
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SHA512
8002a45195cf26f55a9ac8f0c4e301b90eb6590af9a400093db2cd38bd48e821b28324f9aea2b87cc8a9a0f4c87d5da41d43254dca5723ef21242e1993b55e43
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SSDEEP
24576:tIcx+9shKvuw3OHW6zi5yb+R1fQRl2iL5G0wuHB:tZhKmsY9z+fQ+iLfwuHB
Malware Config
Signatures
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XMRig Miner payload 6 IoCs
resource yara_rule behavioral2/memory/2224-2-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral2/memory/2224-12-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral2/memory/3732-15-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral2/memory/3732-20-0x0000000000400000-0x0000000000587000-memory.dmp xmrig behavioral2/memory/3732-29-0x00000000053D0000-0x0000000005563000-memory.dmp xmrig behavioral2/memory/3732-30-0x0000000000400000-0x0000000000587000-memory.dmp xmrig -
Deletes itself 1 IoCs
pid Process 3732 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3732 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/2224-0-0x0000000000400000-0x0000000000712000-memory.dmp upx behavioral2/memory/3732-13-0x0000000000400000-0x0000000000712000-memory.dmp upx behavioral2/files/0x0009000000023475-11.dat 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 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2224 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2224 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe 3732 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2224 wrote to memory of 3732 2224 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe 83 PID 2224 wrote to memory of 3732 2224 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe 83 PID 2224 wrote to memory of 3732 2224 ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\ff31dfde99741cd6f92575af703657ef_JaffaCakes118.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:3732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
784KB
MD5097f4b197f4fc8d7309beb3063152d13
SHA12017e32e45832848cb6e2e6e3cea372a7bb7d32c
SHA25657657afd0867f1dc7f26682293e18bd78392bdf07ef0064a0afcb8fa8cf6316e
SHA5128f673265fd10dd266453f19b75feb2c9114be6638121609bab40f64e32e0cb4b471f548544c6141a3ae9c9c0c3926d74a2955c081ca7a242560ef74604a18e13