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Analysis
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max time kernel
120s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 17:55
Behavioral task
behavioral1
Sample
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe
Resource
win10v2004-20240802-en
General
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Target
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe
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Size
29KB
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MD5
020f4f72bfca215ff0ea3e709f7f59c0
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SHA1
b0739520cc6da2b2bfaa4135212d428cbcdac7ad
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SHA256
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287a
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SHA512
818d38af19a3a1c96b5a2e873acb955a1a918319287c41875e4880b3aa0238e6232dc37c21509286dcff63f69e3fe556cc523054107dedaec0b82c535fda3cf0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6c:AEwVs+0jNDY1qi/qP
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/2896-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2896-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2896-138-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2240 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" ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2896-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2240-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x00080000000234db-4.dat upx behavioral2/memory/2896-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2240-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2240-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2896-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2240-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-65.dat upx behavioral2/memory/2896-138-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2240-152-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe File opened for modification C:\Windows\java.exe ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe File created C:\Windows\java.exe ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.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 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2896 wrote to memory of 2240 2896 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 84 PID 2896 wrote to memory of 2240 2896 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 84 PID 2896 wrote to memory of 2240 2896 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe"C:\Users\Admin\AppData\Local\Temp\ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896 -
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:2240
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD55919ab7ab85089a2987f783a14b57f46
SHA140e97bff563b1001602cc24d2d7caa13a6af558b
SHA2564a5b2ca0acf1ef9f6ea0e0305ffa46b6d63188983c54f25f9cad169d3c39fe75
SHA51208dea943c5f0091f8296244c66fddb29f903782951eff74dfa6332a63b96ee58bfa48c44d00fcde3e778450fb8f4f5188d1e848df1fee4769eba65cbde96a5e5
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Filesize
320B
MD52382cf9a835b0f493938e314b665acd8
SHA12c46fd07b7d3930f454cb97c96791d94d6903758
SHA256f0a9bc2677f2fa2dd6d5dc4066276d24ac8c1a2ca07b243ece751dc62e36cf57
SHA512874e95e9f173585c27f4f9a54c62af50f5c4034d534bbd7b0c2d96348b9cf6c638a124309e2858dda477903cfbf82a644157fa21241aba94ffa07c050cbd040f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2