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Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23/10/2024, 15:20
Behavioral task
behavioral1
Sample
988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe
Resource
win10v2004-20241007-en
General
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Target
988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe
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Size
29KB
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MD5
7c277f8bbf1488ec64dad371b9029bb0
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SHA1
6b8965b03ccb3eeef3f5b5fa1c8ec68394d43a0e
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SHA256
988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1f
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SHA512
643c4ee2c497ed51b0bfd95a0790ac4515b967f53b18e0cdcf20dfbf1da0a33c33e5ab75c94edeced38fcc476b43f1257ace4f13bf01a8264eedc56329c98bfe
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Q:AEwVs+0jNDY1qi/qo
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2120-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2120-9-0x0000000000220000-0x0000000000228000-memory.dmp family_mydoom behavioral1/memory/2120-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2120-42-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2120-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2120-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2120-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2524 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" 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2120-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2120-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016edb-7.dat upx behavioral1/memory/2120-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2524-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2120-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2524-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2120-42-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2524-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2120-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2524-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-60.dat upx behavioral1/memory/2120-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2524-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2120-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2524-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-75-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe File opened for modification C:\Windows\java.exe 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe File created C:\Windows\java.exe 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.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 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2524 2120 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe 30 PID 2120 wrote to memory of 2524 2120 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe 30 PID 2120 wrote to memory of 2524 2120 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe 30 PID 2120 wrote to memory of 2524 2120 988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe"C:\Users\Admin\AppData\Local\Temp\988a1add9a23eb95eb57cbc10eaa28f4b2e7b41b8fcdebfed3b7ea9b75ee9f1fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120 -
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:2524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5f469513538a97d409d676ad1c3c13d2c
SHA166caf5e2ab6af41b68bdad973e2889109c342d04
SHA2561af51cfccb73d72e50c82e753ac410e282023923c03e210172e9d1a6abd5d999
SHA512769bb8d33934f4acb4ee79a0faac48519d7a6cb858df53ee5468108f072299fca66990b6580ef0e49864557d3d5fcce3fb48d26fe94f5fb76a320da97c68ea87
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Filesize
320B
MD52c13e9ffc26f3a269e1ffeea606e764d
SHA10812c0c9841aa7294fc6804d140f3ffe6f729223
SHA256537be95f51241feeae060b2feda578b225c75cee96132623891e073c4863de5d
SHA512d6d2b503af47dda467bb534053ee86e6af4c1d952aeca7bb68a82e86c1770e33d8c5fcd2d83b74907b615508ff8aedf509dfb497dde0f324f0de9620d4363883
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2