Analysis
-
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
04-01-2025 12:55
Behavioral task
behavioral1
Sample
c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
Resource
win10v2004-20241007-en
General
-
Target
c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe
-
Size
29KB
-
MD5
bbdb7dc645b56598d3dc560aa5486970
-
SHA1
6b30d619dec9edf1189cb05b1afd0efd3d676a24
-
SHA256
c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4
-
SHA512
71e43b37cccbc614ed8ab9b162f33132affb2e686f8828cd9ea0e15be7f332090414a3917cc44771f3ffb52820a1b6edfa49874ad05e5aa600fd4a8dac7b2e4f
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ohp:AEwVs+0jNDY1qi/qmT
Malware Config
Signatures
-
Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2288-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2288-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2288-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2288-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 2376 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" c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe -
resource yara_rule behavioral1/memory/2288-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2288-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016c4a-7.dat upx behavioral1/memory/2376-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2288-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2288-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016cec-58.dat upx behavioral1/memory/2288-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2288-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe File opened for modification C:\Windows\java.exe c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe File created C:\Windows\java.exe c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2288 wrote to memory of 2376 2288 c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe 30 PID 2288 wrote to memory of 2376 2288 c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe 30 PID 2288 wrote to memory of 2376 2288 c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe 30 PID 2288 wrote to memory of 2376 2288 c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe"C:\Users\Admin\AppData\Local\Temp\c51c87b90aae3fdc7fb8f3940d1a922ba7cbf8a3d357eb143a09cc94e7ba23a4N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288 -
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:2376
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD5d8b7ae694e8b5e84d28958c35c189849
SHA13769ef01350b865b4ae702581ff38f3d0eee42f4
SHA2565769f902a467013c6c0e6437ed8763a8f1b12597893a1a5d305f06c987392162
SHA5129f6d0f57eabb7aa17c5012ccfb4cc99858dcd07db3ef3be123e5d6586314f0d304f14298a8d09a781b16a3bced4773421d9995277e7f9ff59811f177862916d4
-
Filesize
320B
MD5a249c58fa7c9fd1eee3d218c76f13e3f
SHA1a7918d7c541cbe27651225d597cfd4c21e2b709e
SHA2562a0506edce6597ad33d35d32c171553fa4f6e5e0299b3483a19ed702287b1982
SHA512e8bf888b28abcb16a39d3ea3467ee80d467281365bce5ec88f83f1a49c00f1ac84fd97c4dea2c5991997db67dda3144b76ad22214e3dfd91a5055b3075c95c46
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2