Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-12-2024 05:24
Behavioral task
behavioral1
Sample
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe
Resource
win10v2004-20241007-en
General
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Target
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe
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Size
29KB
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MD5
fb457f6366ddcaaf52ead596e16bd74c
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SHA1
2ed964e49042f45e6180970f50225da4f3c92b50
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SHA256
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750
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SHA512
4b590bee173adeccf0e0a98912bc8889af329f33cd949af4d7456e1029c37235c2c3433a9bb7aca9d6ee25ab9b464ac82e8f05ebe96b9dfb169cd12c72c70942
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/L:AEwVs+0jNDY1qi/qj
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/1736-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1736-80-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2284 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" cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe -
resource yara_rule behavioral1/memory/1736-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1736-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016399-7.dat upx behavioral1/memory/1736-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1736-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1736-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-59.dat upx behavioral1/memory/1736-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1736-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1736-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1736-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1736-80-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-86-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe File created C:\Windows\services.exe cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe File opened for modification C:\Windows\java.exe cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.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 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2284 1736 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 30 PID 1736 wrote to memory of 2284 1736 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 30 PID 1736 wrote to memory of 2284 1736 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 30 PID 1736 wrote to memory of 2284 1736 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe"C:\Users\Admin\AppData\Local\Temp\cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736 -
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:2284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD58dba01d2c6a00923d698ad972b2679c1
SHA15f4116833979927150435715b0412e07aef86075
SHA256c7f352dfe76c61a91b0c0b5ff6f7cc958d93a0e5dc4fed9d516a464d47655d47
SHA51249bf8c0bf2864b411f00914f732a2e9daf1cf9f9d2f6c6169f9bfcc0596c13ba88f8b1cbeacea8646ee9c8e6e5ba534647573067589c395a2d6711bde9448d52
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Filesize
352B
MD5278670bac523a7a1c94ddd9798422144
SHA145d69ca8878337ca6a6f9edd420261b377b501a2
SHA25615f4c09f36d4828bfd2e1df3740f6f6599e68a386028f816dbd945c0ff756881
SHA5128d5d4d6902158b4909ce83318edcf4815d6656c14e4371b1d19e1b18a4da3c91e675f78b051924c1ea397f95a6d8bf68ab865b3d7a10cc0b76a0abedd8f4be8b
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Filesize
352B
MD578fdba3654a5cbec5af0334f2f62dbc9
SHA1cd77f409b72bd65a4a613b144fe7a2fb60d0e2b4
SHA256cd131bf0c90c65be2d9b8ea394de0c60768f4bdefc8962c3b8a3af1d1e2680f2
SHA512944bbd6cbbe48ff6f935906d224e5a70c8ac987754125d967ae69ae3fa91bf2e214d7d10e6fe0713eb4afbfaa3bdcd8dd7edda49be13d15089f822c251944728
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2