Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 14:39
Behavioral task
behavioral1
Sample
75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe
Resource
win10v2004-20241007-en
General
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Target
75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe
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Size
29KB
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MD5
74d48bc776a8de1f50729cd72ba75456
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SHA1
b04dc46b211300fe6e07a1ef9bf018a4ae6e5649
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SHA256
75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf
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SHA512
ee8b41c947ab780df1806f8ff798ef619f9c696bbb0749a7b7c00b3fd3a639b7a024ed6cce152313b231755afe66c87891ad5cac85ea6e5f7a1049816610988d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1xhX:AEwVs+0jNDY1qi/qNxN
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2580-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2580-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2580-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2580-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2580-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2580-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2320 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" 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2580-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2580-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x00080000000193b8-7.dat upx behavioral1/memory/2320-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2580-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2580-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0031000000019326-62.dat upx behavioral1/memory/2580-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2580-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2580-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2580-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe File opened for modification C:\Windows\java.exe 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe File created C:\Windows\java.exe 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.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 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2580 wrote to memory of 2320 2580 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe 29 PID 2580 wrote to memory of 2320 2580 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe 29 PID 2580 wrote to memory of 2320 2580 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe 29 PID 2580 wrote to memory of 2320 2580 75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe"C:\Users\Admin\AppData\Local\Temp\75e23aebc29d98a54e15f0f62cc6a518f0e724db89d4e6b3dafcc5acbb797fbf.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580 -
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:2320
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a2cff26679c95a1551b814215777d9cc
SHA124af8748ee25a04f2b9647ec64de4f23a2fbb406
SHA256ef93d1d0ed86d1903f68457e485a5fdfd79afccb6662c08a19c46b382a1381b5
SHA51254ad0915bc4b557d08c4f04068d8c3ceb2a1ece093f98c25fe6fef1c0e33c4d82c7e336d3dc0712a4921a2457458095908fb43f86961e8c55f80b59a321e0ef8
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Filesize
320B
MD530863070cb74a130c9a8c629e8f75535
SHA1b04fc6e450371018e9003a57f8feff5f8450f75e
SHA256336a615d4212197b37b02087d86effbc8a7e51f676da06676e0d8711029c1dc8
SHA5129141704aeae0266217d3a746c399e087d5f18f61c26844255af6e94db57fde4d4ff8f14cc2eea424571a7988b30f66d346325b6b9b67092b8e07d02a7e62e679
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2