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
17-01-2025 12:35
Behavioral task
behavioral1
Sample
737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe
Resource
win10v2004-20241007-en
General
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Target
737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe
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Size
29KB
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MD5
1d64787ecc2ab93313b55c30de17f802
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SHA1
222161a6e0dd4353ddff2e70a636e3e0d60880ba
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SHA256
737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354
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SHA512
b9041477328e7553a044d4dc4df04715055e732d568d029d2cef1e9b0ee166f8286676723a8450b2c9eb4f847c4476cb2efbefdbe7b04bc1cdc0d253c309cd01
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9hQ:AEwVs+0jNDY1qi/qlG
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2920-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2920-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2080 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" 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2920-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2920-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000014b28-7.dat upx behavioral1/memory/2080-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2920-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2080-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2920-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2080-61-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe File opened for modification C:\Windows\java.exe 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe File created C:\Windows\java.exe 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.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 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2920 wrote to memory of 2080 2920 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe 28 PID 2920 wrote to memory of 2080 2920 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe 28 PID 2920 wrote to memory of 2080 2920 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe 28 PID 2920 wrote to memory of 2080 2920 737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe"C:\Users\Admin\AppData\Local\Temp\737f7781dc339ca11f59d67cf49317b75236c86a1857357607e32c5b0ddc4354.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
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:2080
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2