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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
06/12/2024, 20:52
Behavioral task
behavioral1
Sample
79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe
Resource
win10v2004-20241007-en
General
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Target
79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe
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Size
29KB
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MD5
76aad07002371b73468d4ba80fdfa8f0
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SHA1
d041790cd8e468df9abda6b775499210a72cc4db
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SHA256
79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282
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SHA512
e7da19cd7ba665bdfec1f60fdcc55691e6f4c4ff838a1226af79531e976e257942e072d7109333a904ba18ffb2ec3ba24fa8594e5607b448b9490211cc2f0948
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/oFF:AEwVs+0jNDY1qi/q4
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1820-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1820-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1820-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1820-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1820-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2008 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" 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1820-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1820-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016ce0-7.dat upx behavioral1/memory/1820-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1820-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-59.dat upx behavioral1/memory/1820-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1820-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1820-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe File opened for modification C:\Windows\java.exe 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe File created C:\Windows\java.exe 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.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 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1820 wrote to memory of 2008 1820 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe 30 PID 1820 wrote to memory of 2008 1820 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe 30 PID 1820 wrote to memory of 2008 1820 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe 30 PID 1820 wrote to memory of 2008 1820 79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe"C:\Users\Admin\AppData\Local\Temp\79f8f5f5dfbed222d739e5260faa02001bc97ba11dbc7643c76467a4fada1282N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820 -
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:2008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD537f92074983173cbd0f7dcac7f76001d
SHA171a0e9d0c0f30db2f5db6529dc03567658e27803
SHA2566360920fae0bf848e8ee868446e03fea703603ee2d0cd1470fc77a2b495cd29f
SHA512cfeddbabdf514365473b858c4a6620409c0cf0c6b0df0b105b88e4bb5d7ce88d5527fae8a94fbb96714fce689f8689141e96d6f687d53482a859dbb06b964df0
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Filesize
352B
MD58bd79f8e24e531e852eb6a28afff2252
SHA127b11a62eb0b35fa620259822cc8aea1b5e43093
SHA25625be79f22b5e7c5614a384890d1612e55611ad2a59916cebe64f7863a9353dcb
SHA512379d921717bdb0f2f201362a72cacb1a67a69789941806120385ed7c0166a2b70fc70f4a4ca41659ad7ca639b8b5c5dd67d262a0c4388723f6bbbf8bfe2723c7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2