Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 06:05
Behavioral task
behavioral1
Sample
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe
Resource
win10v2004-20241007-en
General
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Target
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe
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Size
29KB
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MD5
b7a56348b10e20f6e5436954d81787f4
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SHA1
f4f3e470da644e5b9ba6b324b68a41faf0223a1e
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SHA256
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca
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SHA512
0d44e5a4d3c73e50626bc0330dbd5c7ada7cad32860f34acf902df3662d8481a872f6011e5c1de8cfe157959c4da556d5892152fff4815e86ed100fe24f1f231
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/t:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2780-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2780-52-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2780-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2408 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" c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2780-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2780-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00070000000186f1-7.dat upx behavioral1/memory/2780-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2408-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2780-52-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2408-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2408-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000018739-68.dat upx behavioral1/memory/2780-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2408-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe File opened for modification C:\Windows\java.exe c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe File created C:\Windows\java.exe c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.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 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2780 wrote to memory of 2408 2780 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 30 PID 2780 wrote to memory of 2408 2780 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 30 PID 2780 wrote to memory of 2408 2780 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 30 PID 2780 wrote to memory of 2408 2780 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe"C:\Users\Admin\AppData\Local\Temp\c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780 -
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:2408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD564ab99a8ea0e8db00788e4d22ee3f76a
SHA1c084616cd627df2ac7920f2660e27c43c67d100e
SHA256e6c6ced39139b6cfd5fe97c43ced3127864fb32b641ead9e8a9d843474b02f4e
SHA512431dec74a75134bd641a0f42a54761cd0fa57429ac7f8b14b886e30442b163969dae6414c48c5725d901a304be0ce11aa793ce0b1301354d0aa2e3b8ee9af1e8
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Filesize
384B
MD5d12f32f113cfafd04c08ec8c85a150b1
SHA1e4d54730edc1f692907a29a10dc53fe4a6adbf57
SHA256b1e501822900ef2a2db19e1cd52f43d0cc5863bf3e69468ee6c5a8b48619d30a
SHA512f3a47e2becf9609ba5a4c0a64c0045bca77e8152c1d2e9fd371cd5f374b14080d6702f7f6c088611f26535525f04c61f8cb8547f4372d136fd58c0e95eaf3627
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2