Analysis
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max time kernel
120s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2024, 20:43
Behavioral task
behavioral1
Sample
d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe
Resource
win10v2004-20241007-en
General
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Target
d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe
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Size
29KB
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MD5
ac3b4e176e8e386f1244498ead19c685
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SHA1
522a0d5c369d60a9c0a47e6cf7f9e39cf6f783d7
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SHA256
d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056
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SHA512
41295bf905de3842e672f17143b081eb3cac0d16d13a688ea4e6f1e2c3ea51fb283460240807d88baed3fdf4e7e8d9fe53313eb83fc5b08fff80c04dec598bfc
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8:AEwVs+0jNDY1qi/qU
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/4052-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4052-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4676 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" d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4052-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c84-4.dat upx behavioral2/memory/4676-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4052-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4676-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4676-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4052-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4676-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe File opened for modification C:\Windows\java.exe d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe File created C:\Windows\java.exe d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.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 d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4052 wrote to memory of 4676 4052 d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe 82 PID 4052 wrote to memory of 4676 4052 d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe 82 PID 4052 wrote to memory of 4676 4052 d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe"C:\Users\Admin\AppData\Local\Temp\d1922436a615dd6f224bfb212761f2382528a76b5cacd8495e3477c9ae18c056.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4052 -
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:4676
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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