Analysis
- max time kernel
120s - max time network
115s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
12/10/2024, 04:04
Behavioral task
behavioral1
Sample
2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe
Resource
win7-20241010-en
8 signatures
120 seconds
Behavioral task
behavioral2
Sample
2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe
Resource
win10v2004-20241007-en
8 signatures
120 seconds
General
- Target 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe
- Size 29KB
- Sample241012-em6apswhql
- SHA256 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486
- MD5 7c97e0c809fbde61d0904ce984096350
- SHA1 74d83ef2216df82c6fc1fc0bf45a5c7514f1b6d5
- SHA512 2037b93c7a15aaeae5e4dc05f45b3f8368cc4c53b93f0f8196f2b6e6df5c2d68c3d3f95773234d3f3056e5ee8e6a62f4e6214e66056d4987d1745e5cc55d4e6a
- SSDEEP 768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/F:AEwVs+0jNDY1qi/qN
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/32-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/32-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom - Executes dropped EXE 1 IoCs
pid Process 4208 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe -
resource yara_rule behavioral2/memory/32-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b79-4.dat upx behavioral2/memory/4208-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/32-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4208-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4208-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/32-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4208-57-0x0000000000400000-0x0000000000408000-memory.dmp upx - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe File opened for modification C:\Windows\java.exe 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe File created C:\Windows\java.exe 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.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 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 32 wrote to memory of 4208 32 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe 83 PID 32 wrote to memory of 4208 32 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe 83 PID 32 wrote to memory of 4208 32 2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe"C:\Users\Admin\AppData\Local\Temp\2911e63bf1bfaaaaa7b0bbd78115ab23c304e6d3c8f72abbba38ac598133c486N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:32 -
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:4208
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\kfwPe.log
- Size 256B
- SHA256 93215e126a5fb0706b6d827dcb849b6efb00bb85e3afe8acfe14a023714a4452
- MD5 09521baf5010e37c6936919d5440fdb5
- SHA1 e1fad3b0585dd7cc599625dd4195484e22f03fe4
- SHA512 e442b7ca7de57f48d2d30482b6c95537113c6f8404297b53a82deb64e8cdaa6f9169a36537529f9c3eb3cde08121d0b91fabafdc574faf893e72fa03a7063cfd
- MD5 SHA1 SHA512
- Path C:\Windows\services.exe
- Size 8KB
- SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
- MD5 b0fe74719b1b647e2056641931907f4a
- SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
- SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2
- SSDEEP 192:tZWNqWKIzebvOZnzCj6juhEJS3/Uf/tpfmG62X9f3:tZ6qWTYvczfahX/UHtF6e9f3
- MD5 SHA1 SHA512 SSDEEP