Analysis
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max time kernel
14s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
20-08-2024 18:27
Behavioral task
behavioral1
Sample
b05817cacf7c32461653207909ed047f_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
b05817cacf7c32461653207909ed047f_JaffaCakes118.exe
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Size
784KB
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MD5
b05817cacf7c32461653207909ed047f
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SHA1
a58971473a46e8a8cd0e868cf68f9699418b88b8
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SHA256
baf582dbb3a3e0656c8263901bb4c7acebda4872d3a8c3f2fb50edbd96cb4d02
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SHA512
2741ed480692a42c6628a3c7410a22ea4375708a622d3ea3910bb8d2b3ed9ebe8ae81ef8df6af43f5cc625fcd6ae380ddfa43d994458b9f11725bcd36571a359
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SSDEEP
24576:OZv89SUaRNxrBf4KbfNsbXAvI9RwNvfsXWbZ/b:OZ5Nl9+bH8xfsXMZ
Malware Config
Signatures
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XMRig Miner payload 7 IoCs
resource yara_rule behavioral1/memory/1972-3-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/1972-15-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/2284-19-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/2284-24-0x0000000003150000-0x00000000032E3000-memory.dmp xmrig behavioral1/memory/2284-25-0x0000000000400000-0x0000000000587000-memory.dmp xmrig behavioral1/memory/2284-34-0x00000000005A0000-0x000000000071F000-memory.dmp xmrig behavioral1/memory/2284-35-0x0000000000400000-0x0000000000587000-memory.dmp xmrig -
Deletes itself 1 IoCs
pid Process 2284 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2284 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe -
Loads dropped DLL 1 IoCs
pid Process 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/1972-0-0x0000000000400000-0x0000000000712000-memory.dmp upx behavioral1/files/0x0009000000012264-10.dat upx behavioral1/memory/1972-12-0x0000000003240000-0x0000000003552000-memory.dmp upx behavioral1/memory/2284-17-0x0000000000400000-0x0000000000712000-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 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b05817cacf7c32461653207909ed047f_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe 2284 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2284 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe 30 PID 1972 wrote to memory of 2284 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe 30 PID 1972 wrote to memory of 2284 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe 30 PID 1972 wrote to memory of 2284 1972 b05817cacf7c32461653207909ed047f_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b05817cacf7c32461653207909ed047f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b05817cacf7c32461653207909ed047f_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\b05817cacf7c32461653207909ed047f_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\b05817cacf7c32461653207909ed047f_JaffaCakes118.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
784KB
MD5afeaf39ddf7ac849d1af5dff54a0998e
SHA16f01d0463edf3cac038eb1b95e86137e1dc07e07
SHA25639ca497b3604117bfa720adc1723ee4e12b6d431142cd2fb02f6a87fe56f4ea1
SHA5122671f15e653afd016ab0bd28e06aaa9f954388d1cf1eea808c05ef1e4ec6bd036c06c61ebdc988d9f0304ee163b9fcfde8e0e4b6b1d3565640af52757bd7c1e1