Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 09:03
Behavioral task
behavioral1
Sample
3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe
Resource
win10v2004-20241007-en
General
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Target
3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe
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Size
29KB
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MD5
8f8f3001440fa54fc27c372a4110c320
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SHA1
ed775990c526f019995b48b1e21395831dd35937
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SHA256
3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7
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SHA512
1825c95251fb14518d9c50b28f14acc22ac0e87de760db8d8a89a2ee40c87aa72d371ac515f9b8cc08a54b90e74deeaf1ed490eb614a4755279baf14bb98bf89
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T9:AEwVs+0jNDY1qi/qx
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/972-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/972-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/972-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 968 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" 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/972-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cb6-4.dat upx behavioral2/memory/968-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/972-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/968-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/968-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/972-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/968-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0006000000000034-65.dat upx behavioral2/memory/972-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/968-71-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe File created C:\Windows\java.exe 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe File created C:\Windows\services.exe 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.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 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 972 wrote to memory of 968 972 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe 82 PID 972 wrote to memory of 968 972 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe 82 PID 972 wrote to memory of 968 972 3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe"C:\Users\Admin\AppData\Local\Temp\3f1757329e2799624e18a3658baa8d500e02d7bf47f5ffc126402e9450c0acc7N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972 -
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:968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5d1d8ee0eba635ad7aac0dba33f7e3e5c
SHA19eaf50596bb66677d814a006f694fc0a8b7616ff
SHA256cf61e78cae7e60fe3788d36cd98d4c4e341a31f8c14ef4e8c8e92dfe4197f700
SHA51206d6182491e6f19bba843b0acd1ab871d908773d86277dfbf53454af2bdfb9f52af52275c8bdd1378ae6fbbc81e5139e652eb27c3a639796dc9f1d4db3f78c85
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Filesize
352B
MD5733f6641662420ba42fc293490c76a22
SHA122d80da2a28325b33da480d1978616a2b1a98cf9
SHA2564925ad83e8edc184d9cef64b7738912f4889fda99467a3114ff1618cdfd50cfe
SHA5122fd092b11bbc4bed3cc7dc567bb2d945675fe95768aa5d1756ef0c5728530fc1e1658ba23cc2d77f8cc97a589262b9761334c729560502d6cdfa269720bb1007
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2