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
26-12-2024 11:39
Behavioral task
behavioral1
Sample
19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe
Resource
win10v2004-20241007-en
General
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Target
19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe
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Size
29KB
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MD5
89a9e0d6980cfc3e980c7758a1ca0de0
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SHA1
05fe39dfbd949c8e009ee224901d308254eebce8
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SHA256
19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074
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SHA512
f813d659fd603ac0f5433be2c16efb17fcf1106e97fa64492cf6d573113bf589bb61038dd5dea6feb32ca5cd7620a1918a021ab7ecab7fe81023d3a4de5bf2f3
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/BhA:AEwVs+0jNDY1qi/qJy
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/1448-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1448-52-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1448-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1448-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2496 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" 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1448-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1448-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016c8c-7.dat upx behavioral1/memory/2496-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1448-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2496-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2496-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1448-52-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2496-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1448-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2496-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x003900000001686c-65.dat upx behavioral1/memory/1448-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2496-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe File created C:\Windows\java.exe 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe File created C:\Windows\services.exe 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.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 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1448 wrote to memory of 2496 1448 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe 30 PID 1448 wrote to memory of 2496 1448 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe 30 PID 1448 wrote to memory of 2496 1448 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe 30 PID 1448 wrote to memory of 2496 1448 19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe"C:\Users\Admin\AppData\Local\Temp\19bf77f8d029f09c545c04e26aabb91d034b622d7ebdc8b76535dca8e08bd074N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448 -
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:2496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD539824004f461186d36686f3abba1b954
SHA16926f005d0cfec078e3086c534dd51dc47047159
SHA25621c1abaa1fc39f1625d80f492a09f06f8be8fb4b634176ab6009725952e50efc
SHA5126c60929ce47df23fe76e8f2916889d8e2367b2f0f6a79026b97e5463a145fd24d105f8177619679c9d85bdd8bec982b4ab5c5404597bed64d543343cf616a26b
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Filesize
320B
MD5dd9d6af4657f460bceea1b88303ceda1
SHA1ced663d15302f0b62f6f8bd62c4bb77f9f9a7de3
SHA25678cc8fa50c08c512d912a01aab40e37d350d739ee962fb0fb4e96fddc439199c
SHA5125886ac0a825a232c0cf58465d0ee83cd751bce4cdb72f6b01656a6c3857b455e91845152d159729e05b1d19aa44d0930541476236cb4090b93a77cf1105bdd47
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2