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Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23/10/2024, 12:07
Behavioral task
behavioral1
Sample
1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe
Resource
win10v2004-20241007-en
General
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Target
1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe
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Size
29KB
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MD5
c3460a3657187e902b721cd7a7a83d80
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SHA1
c088caadf454c94dba8dbbad871dfa11409fdce2
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SHA256
1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cb
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SHA512
e9951d1d524d9d0658e9283a9bc0fd0c601d9084b2284b4a78ea3697fec36105b58454f44d8a784879f759686710b96b713277d2a5ad6d433013a89e56d1a9c2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/VAs:AEwVs+0jNDY1qi/q99
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2520-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-36-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 3068 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" 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2520-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2520-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016d29-9.dat upx behavioral1/memory/3068-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3068-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3068-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3068-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3068-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3068-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-36-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3068-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3068-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0006000000004ed7-55.dat upx behavioral1/memory/2520-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3068-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3068-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3068-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3068-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3068-80-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe File opened for modification C:\Windows\java.exe 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe File created C:\Windows\java.exe 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.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 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2520 wrote to memory of 3068 2520 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe 30 PID 2520 wrote to memory of 3068 2520 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe 30 PID 2520 wrote to memory of 3068 2520 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe 30 PID 2520 wrote to memory of 3068 2520 1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe"C:\Users\Admin\AppData\Local\Temp\1b1e615fd82a4f87b14a4ab9109a99a9c32c454181855c5240abcb0088a0d4cbN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
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:3068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5379d73dd4db7dd4c9a80f42eef44350b
SHA1cd216d0f89e0d21fa5059081b443c4844aed62d5
SHA256de6654848acb91b849e811917871b77a9a6d93c0f959fae7b0cda548e6ef4ce7
SHA51271d2743f80b2df7b1484c89fd82df0e083e724f62c5433db021dd658b972d7d814226ce793f03dc10e49e3c0ba737ccdcb6974cfcc432df05cd359f53d07dd74
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Filesize
352B
MD59fb1120861c4cc6bc27d8cc3fc0f650b
SHA1dbe8b819d2c585dc7129627c7906e60326e20b98
SHA256830865ce8a699c50a01bc86d2e264b3ca812269f9e999f3878118eb7e32912d5
SHA5124945eeea37382682d12dedd9436cc927f44d42635552d7be3d970e22b609862e9b1768fb2838149302c97911341e5a73ae164684772997b8f2f90a0ccdcc5149
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2