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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
02/10/2024, 01:15
Behavioral task
behavioral1
Sample
b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe
Resource
win10v2004-20240910-en
General
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Target
b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe
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Size
29KB
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MD5
1e94fcb1a11fc3550aa097ab00c38a50
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SHA1
f2ec31728d0f4abb4a22667d24eac7e93a6f10b4
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SHA256
b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99
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SHA512
b3499b5f919b122c87c5f8819b0c6b4717fd06652727ec57190b4de63a09b07cc20abc7992aba274bdc0408f23f04ceb1287458faaaeba1cff3f06de9c06ef73
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/pJ:AEwVs+0jNDY1qi/qX
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2492-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2492-42-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2492-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2492-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2492-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2492-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2492-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2064 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" b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2492-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2492-8-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000800000001739b-9.dat upx behavioral1/memory/2064-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-42-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-55.dat upx behavioral1/memory/2064-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2492-74-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe File opened for modification C:\Windows\java.exe b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe File created C:\Windows\java.exe b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.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 b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2492 wrote to memory of 2064 2492 b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe 30 PID 2492 wrote to memory of 2064 2492 b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe 30 PID 2492 wrote to memory of 2064 2492 b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe 30 PID 2492 wrote to memory of 2064 2492 b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe"C:\Users\Admin\AppData\Local\Temp\b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492 -
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:2064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5146cb07ac63ad0533196be764a9b740c
SHA14b3c20fdb6ca80705738c3a453651c5421855abf
SHA256d762a97afdad20ee3b15833c3660d0a9bf55ea9614ea869732180eefed276796
SHA512e6d0a3f0abbb44a95511f0786f720054c88ce32b2ebcb48fd8d804ed958db726433ae68db796a88b800dcd993810fa6748592587802624c6e4ce060b02f2daf3
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Filesize
352B
MD5042def500d9e753e2c559c5579cab94d
SHA1080e86944d41f68ec484a72515ffbb0005514e30
SHA2568169cf9e2035281a227d99ad7e4f47e5857c9f1dd3f637076246f0fe5c82afa4
SHA5120517872540ab53a28d725e20eb57f8d7d5df3ecd9403ef5e33f20abd23dd3fc105d639dd460cf5190e3377a8daa04be498cbb7a7a3b013995e081af7b70ab53c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2