Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 11:50
Behavioral task
behavioral1
Sample
JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe
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Size
28KB
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MD5
7988279d3737d64d8e3d2295746595e0
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SHA1
9ff2928b5af795f18aea3ac503fbec14c972ace8
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SHA256
87d4cbdf75ef0a8e31322407c8bb0f647fd5a7c59ae0888818c667cdee038e28
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SHA512
6f7b547494aff74ae2ec2c211b7fb4ba586c9eed041b6989d86982029e761e606bc1891279635750b26ea1ff08ffa98553e614bbe4a57ad7bfdd101091ea3f8c
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNCA:Dv8IRRdsxq1DjJcqfs
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2084-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2084-48-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2084-53-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2084-72-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2084-76-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2084-81-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2084-88-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2960 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_7988279d3737d64d8e3d2295746595e0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2084-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2084-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0009000000016d5e-7.dat upx behavioral1/memory/2960-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2960-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-48-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2960-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-53-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0005000000004ed7-64.dat upx behavioral1/memory/2960-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-72-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2960-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-76-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2084-81-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2960-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2960-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2084-88-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2960-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe File opened for modification C:\Windows\java.exe JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe File created C:\Windows\java.exe JaffaCakes118_7988279d3737d64d8e3d2295746595e0.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_7988279d3737d64d8e3d2295746595e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2960 2084 JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe 31 PID 2084 wrote to memory of 2960 2084 JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe 31 PID 2084 wrote to memory of 2960 2084 JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe 31 PID 2084 wrote to memory of 2960 2084 JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7988279d3737d64d8e3d2295746595e0.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
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:2960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5770a22b9fa5113959fe4295248b2217a
SHA1cd34ec0fc46ce105f7bba5de9505277bbfd4b8b8
SHA256bcf48c915f12b9cfccec8ee859db5a5bb18e2c8da0b9cdbdc7941aac4e51f3b9
SHA512cef5ef3198dd2316050b239d03313736115b10b3c2ea4f925e7f59e82548838229490735a77383032d666eeb7dc2a5d32d379a9deb64a93ab243db153566dd33
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Filesize
1KB
MD5b00f67b4dfcc24c7ff1fb8d059b04d4f
SHA1b9478d01a193f2fa4f7f0ba38f42bae94b2dea5f
SHA256c2c70cd240480c8eddf86d65114be2b41753f54492dea48f906e087d78783115
SHA5121204d2278299af7de76be7b20d06c0931998efb478ff8192aad6af3d4b2e9ab5f03b1f8cb9bbca6e6ff8e4aff16d283953a8a00b31d249de4cef044128383a4a
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2