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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26/12/2024, 18:14
Behavioral task
behavioral1
Sample
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe
Resource
win10v2004-20241007-en
General
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Target
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe
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Size
29KB
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MD5
f8e06c1b960c7babe53ac1e765b3b4fe
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SHA1
e318957995513fdab567f88f5dca4f34841a1835
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SHA256
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9
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SHA512
af40d3af98d6cc32c31654a43410854c7c885560a577579da25aae9a2be7ec2842e0b0590475aa0f663e9d5c8a7abfa312500eb375ad9030ab1310058bcdf9e4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/y2:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2972-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2972-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2972-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2972-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2536 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" 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2972-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2972-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016c7c-7.dat upx behavioral1/memory/2972-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2536-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2972-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2536-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-63.dat upx behavioral1/memory/2972-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2536-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2972-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2536-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe File opened for modification C:\Windows\java.exe 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe File created C:\Windows\java.exe 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.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 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2536 2972 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 30 PID 2972 wrote to memory of 2536 2972 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 30 PID 2972 wrote to memory of 2536 2972 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 30 PID 2972 wrote to memory of 2536 2972 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe"C:\Users\Admin\AppData\Local\Temp\3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972 -
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:2536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD59e19ff3a39b4934140350eca5f490b3e
SHA1248b2c1428199376f6efc64ec80ca111067b3903
SHA2569067f0427ec4b876b36a52cac0bc825a652faa11f6aff4eb199d05c450164d16
SHA512aaadb877ac76c62e63ea5421758e207f099ae05f7e6be9d0fa85117e1b23e2c510dd96e4fb82a43c113d888a39487456a1001bf46f4c927b4af02253e825f150
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Filesize
320B
MD5b862bc907e6b7d8134a52b1e96008b7e
SHA1080b2429d663ebe0cf0bbf21d93a64f7f8d76925
SHA25685112997ed79aeb36fecf40857d7dab497a90bc77c79dea62f101b25b035f634
SHA512bbfd612334f8a99b9f86a61f4cf666250e34977d2d8478b548c4849cc9be04e5fba120e4abd5ee83ffc6f3011f463266660e08e2f0e4662a12ba969715ab1353
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2