Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 08:32
Behavioral task
behavioral1
Sample
6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe
Resource
win10v2004-20241007-en
General
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Target
6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe
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Size
29KB
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MD5
c23a1b87248102f8415c6cc0ce3d77a9
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SHA1
5a993665f706bc449d85c9af31797df6a3d49dba
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SHA256
6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2
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SHA512
442b3f2951bcbb101c48c28472010b4fc5049fb6318c703928f676e50e506d1a9c9f9cc4c3013c379d3d24cb80ef238e77e1bd076f3e59e112c48793ed8c50ae
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/q:AEwVs+0jNDY1qi/qi
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2384-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2384-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3056 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" 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe -
resource yara_rule behavioral1/memory/2384-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2384-4-0x0000000000260000-0x0000000000268000-memory.dmp upx behavioral1/memory/2384-9-0x0000000000260000-0x0000000000268000-memory.dmp upx behavioral1/files/0x0008000000015fba-7.dat upx behavioral1/memory/3056-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3056-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3056-61-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe File created C:\Windows\services.exe 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe File opened for modification C:\Windows\java.exe 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.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 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2384 wrote to memory of 3056 2384 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe 30 PID 2384 wrote to memory of 3056 2384 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe 30 PID 2384 wrote to memory of 3056 2384 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe 30 PID 2384 wrote to memory of 3056 2384 6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe"C:\Users\Admin\AppData\Local\Temp\6c81de33e0d590d8b8910ca28971e2fb11b4da564d88f1a5992381e7d38477c2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
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:3056
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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