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
03-01-2025 10:23
Behavioral task
behavioral1
Sample
JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe
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Size
28KB
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MD5
6bf44e75d937da9c1e286383e1e29a11
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SHA1
94c97642a1306055663427efce11719d6e59f0cb
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SHA256
db9f477de20f3d6af6c93c6efbb43d1fa3983460169f995f7df47c6527a3702e
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SHA512
2b7bfb2acc9984ebc4357b52ed09bc53d7f8c9d1e9fbc7c2ce0d47b50b9b845fe735d20d9cbdf374813cc66a9ea616587ee628cd331d010a940b78498a8ceb22
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNaE8TNzP:Dv8IRRdsxq1DjJcqfppNzP
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2448-2-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2448-9-0x0000000000400000-0x0000000000408000-memory.dmp family_mydoom behavioral1/memory/2448-17-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2448-43-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2448-66-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2448-68-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2448-73-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2448-80-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2284 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe -
resource yara_rule behavioral1/memory/2448-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2448-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00070000000186ee-7.dat upx behavioral1/memory/2284-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2448-9-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2448-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2284-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2448-43-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2284-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000700000001873d-59.dat upx behavioral1/memory/2448-66-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2284-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2448-68-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2284-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2448-73-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2284-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2448-80-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2284-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-86-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe File opened for modification C:\Windows\java.exe JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe File created C:\Windows\java.exe JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.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_6bf44e75d937da9c1e286383e1e29a11.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2448 wrote to memory of 2284 2448 JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe 30 PID 2448 wrote to memory of 2284 2448 JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe 30 PID 2448 wrote to memory of 2284 2448 JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe 30 PID 2448 wrote to memory of 2284 2448 JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bf44e75d937da9c1e286383e1e29a11.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448 -
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:2284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD544bb22ad24789abd5dfcdbbbc2a150a2
SHA151e1c55d476b9dadb93ad621d824570d7d2adee1
SHA256702e3ec6fe1c99fcd8b716833b6cabe1ffd6be5463290849c21d92319ea625c0
SHA512be8d404321fc077ac336e47c24052cc4eae4697613dc702b2be1ef52aa46ccba7399dd34d9e1c4f9479cad0f8c1960f0353dced1debba7b6d1b533d8ef806b8e
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Filesize
1KB
MD52bf674b2238c4562281bc8046dcaa067
SHA1271a62f18514919f4d2f3bcbe0d368af38725bb7
SHA2566e8d5908f89ebd5deda6195d5a21a01b65f530f01a73e2e7a8a7524f997442fc
SHA512b07def3537c84ca1829246fdd988f4ab7ea1a5c48b216532e048333b3d2fe3bf1c9c1a164916ef90eadaaa96eb33a6a52bd469bb5b4de89054d8c10a62b7ef7f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2