Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 07:13
Behavioral task
behavioral1
Sample
2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe
Resource
win10v2004-20240802-en
General
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Target
2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe
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Size
29KB
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MD5
083b952383e735c23497d673730f76a0
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SHA1
e06a62d9c46de1d14d03a57ea0f3d56b7be2aa20
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SHA256
2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090c
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SHA512
788a7e4d59d4d7c857133036b5feef5d5cfba09292b8bbd5f53052ec5a9193a3ba7410c749ee3b33c2ad33e77fc830d009ca1391e8eb0d86c8eec46197ca533e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/jG0:AEwVs+0jNDY1qi/q7G0
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2720-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2720-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 3040 services.exe -
resource yara_rule behavioral1/memory/2720-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2720-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0007000000018b3e-7.dat upx behavioral1/memory/2720-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3040-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3040-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3040-60-0x0000000000400000-0x0000000000408000-memory.dmp upx -
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" 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe File created C:\Windows\java.exe 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe File created C:\Windows\services.exe 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.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 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2720 wrote to memory of 3040 2720 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe 29 PID 2720 wrote to memory of 3040 2720 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe 29 PID 2720 wrote to memory of 3040 2720 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe 29 PID 2720 wrote to memory of 3040 2720 2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe"C:\Users\Admin\AppData\Local\Temp\2d12d8fa0820e20fd384962f08ac022928f75c18a0800e85eb906e078d4f090cN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720 -
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:3040
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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