Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23/03/2025, 15:34
Behavioral task
behavioral1
Sample
9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe
Resource
win10v2004-20250314-en
General
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Target
9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe
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Size
29KB
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MD5
d8bca93ad278cf4e92fb818860986d50
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SHA1
e233762c3af43c05b2832ad9cd61c3fcc6c8ea67
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SHA256
9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7ab
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SHA512
d6c7ffe85fbc043144f7a816093a95b096708911e3ee48820a1ddcafface2a5e83ca612d8f956eca4155650263c5a11e1267cee66986e0072b9c4b634b202bc2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/qB:AEwVs+0jNDY1qi/qK
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/1420-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1420-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1420-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1420-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2772 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" 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1420-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1420-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000019441-7.dat upx behavioral1/memory/2772-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1420-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2772-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1420-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2772-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2772-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00380000000193e1-64.dat upx behavioral1/memory/2772-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1420-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1420-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2772-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe File opened for modification C:\Windows\java.exe 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe File created C:\Windows\java.exe 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.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 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1420 wrote to memory of 2772 1420 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe 30 PID 1420 wrote to memory of 2772 1420 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe 30 PID 1420 wrote to memory of 2772 1420 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe 30 PID 1420 wrote to memory of 2772 1420 9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe"C:\Users\Admin\AppData\Local\Temp\9ff36b5fb838eea91b85eb5bac2ad4a3da33924d1eaea2760860f969738ae7abN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420 -
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:2772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5259826748ee9c96af73a7e34184fa31f
SHA175a681a4116e8206f1f1d1723937e3d2d65e1f11
SHA2563fac243c20ae38f416b414dbc163cde8473ae5223fe1930198bb303adfa1aa64
SHA5123c8db091345050640ea7624889243b1e7b387688bc10727ebd0a83dfe887f29983646d8feacd0c56714b2fabe936a900a90b490661308f653f5f9b487df7276d
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Filesize
352B
MD535eaea0f2dcf289eeac7633e018a91fa
SHA1eed5f4715b687e3417217565d09e725e88492f0a
SHA256e63bc5710efe8293cfa51f16bab8301f20d2d48b0f63a985187b81f7395a1cd1
SHA51240c592986a4ec5174f814057b891f1aadba92afa0ca348657a9d64b60732fe874a790b2f9be1cbffa9d3125ccf6b449ddec3c3c7addf0fab16eeb7522c155388
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2