Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 12:25
Behavioral task
behavioral1
Sample
JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe
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Size
28KB
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MD5
79ab892d18fd687a6abf9c45a2db3cf0
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SHA1
922971511e5d3bcda9526a60b2ee2cb5b5d847a2
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SHA256
68d8855edd9b516f5674d0d8e85a3da6b0cb4a413c4b1584417da4856f3b0c01
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SHA512
ac484c37a72e1e42d580a159ec020afe046c5353bf622b506d236feb0aa79a9f190af0a742bb8dc5059bd7cf2302183371eaef80bfccbbbea919aa5b906734a3
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNdP/9xVh:Dv8IRRdsxq1DjJcqfWH9x/
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2036-2-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2036-17-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2036-57-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2036-68-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2036-80-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2036-82-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2036-87-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3016 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2036-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x000800000001747b-8.dat upx behavioral1/memory/3016-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2036-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/3016-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2036-57-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/3016-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000800000001752f-66.dat upx behavioral1/memory/2036-68-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/3016-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2036-80-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/3016-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2036-82-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/3016-83-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3016-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2036-87-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe File created C:\Windows\java.exe JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe File created C:\Windows\services.exe JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.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 JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2036 wrote to memory of 3016 2036 JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe 30 PID 2036 wrote to memory of 3016 2036 JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe 30 PID 2036 wrote to memory of 3016 2036 JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe 30 PID 2036 wrote to memory of 3016 2036 JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79ab892d18fd687a6abf9c45a2db3cf0.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD589167ee79489cce38867304a9e0199a1
SHA15cce7f7f783245d366cec53e52ac52cc4e6a05a6
SHA256bb0670bd3eeeb86727cbe8e8a4a0234835ae8be74eeb3c05c01f3236480af551
SHA51201007d715cfc6b212ea6d85f24581c8b777815f38ff29aabb622072b856fcb916a3797892626a6a2d9544e0fad530c0c64775148702a18c7384b41f299d05b9f
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Filesize
1KB
MD51c2679d61688ae4d3a8f5ed1de2c3a18
SHA103a4db2af0257bf80adbfb052af89902a4c57947
SHA256151b1e4f2bbd872968497bf915bc443d825a4a5a33144afb35379610b6b3a58e
SHA512d71f8dae2d70fe103682db8b4599b4f3a7775fce8d11378bc37a2c343bce0ebe299ff545474451b4bd46bb8f648ccbc8430cc7f54efa7b52c55f8a50dd76841f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2