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Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/01/2025, 18:28
Behavioral task
behavioral1
Sample
2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe
Resource
win10v2004-20241007-en
General
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Target
2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe
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Size
29KB
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MD5
ba76b66891d1778db16e43aea8a68700
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SHA1
50d3e0eac438b6c41947efddf9856164238cf516
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SHA256
2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986
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SHA512
f62376d7fd331a07d8d75412eb466f114c806cc71d8b4ae13d36f10bf09b9a8cee67fc10139ee90a745e9c9b9de93e0ff5aac22676eef305d415c28e472a91ff
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/B:AEwVs+0jNDY1qi/qp
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2100-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-38-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2480 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" 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2100-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2100-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016edb-10.dat upx behavioral1/memory/2100-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2480-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-38-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2480-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0006000000004ed7-57.dat upx behavioral1/memory/2100-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2480-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2480-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-77-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2480-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2480-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2480-85-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe File opened for modification C:\Windows\java.exe 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe File created C:\Windows\java.exe 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.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 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2480 2100 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe 30 PID 2100 wrote to memory of 2480 2100 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe 30 PID 2100 wrote to memory of 2480 2100 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe 30 PID 2100 wrote to memory of 2480 2100 2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe"C:\Users\Admin\AppData\Local\Temp\2a214b000a2ccf4e5ed2bdb4fa16ddea07a7c61359e285ae25db2f678d7cc986N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
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:2480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD54ec3e5e642bb03f4199ffb1c3daf71ed
SHA192a8703ec286831c50bfdde00fe6bb6c5285dd5f
SHA256d84be0bd8d4bc4874e83bdf529918901956d12bb8e49590cb5c8659205b03ccf
SHA512a0f70dd3c63a97e1fceb6d045c247cef79647fd828975eaaca64542a13950cc5391e7a0d14c9f8f4cf624c406bada4cc480a7e04ab76bec63fba7bbdc3e7647a
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Filesize
320B
MD53eb5418f0045ae3e9c86941edca30fb0
SHA18bc7c3e3b33f7041db3ebe220209266762406b4b
SHA256f85387956878a2eb14084977a6abd0c59e2ee7d00983dd6130cd0f91415fe745
SHA5126fbddd2f10616f9d0dbbfdb95b03783aec3c2aae074697750401dc1457c34f64f3b3e6bb533a6aa2b12daa6088d6cfd118d111ce4df9ac73e8f45b90f2e67704
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2