Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2024, 17:46
Behavioral task
behavioral1
Sample
84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe
Resource
win10v2004-20241007-en
General
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Target
84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe
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Size
29KB
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MD5
d6b987686afbdc33de3f145e4b68de00
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SHA1
0e0dfce51f53a1217db0c7225d8f135b7472ac40
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SHA256
84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98
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SHA512
5bfd8e8963c500584d1d9dd8edea1e55684e930053469322c4e21bceb19b6279ff950d698213edb58540e5a35dc1b4ee7112b64dd6a4ba00d54132cef5ed4d39
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/xu3n:AEwVs+0jNDY1qi/qk
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/5032-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-131-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-152-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-159-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 756 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" 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/5032-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b58-4.dat upx behavioral2/memory/756-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/756-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/756-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/756-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000900000001e786-50.dat upx behavioral2/memory/5032-131-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/756-132-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-152-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/756-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-159-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/756-160-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe File opened for modification C:\Windows\java.exe 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe File created C:\Windows\java.exe 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.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 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5032 wrote to memory of 756 5032 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe 83 PID 5032 wrote to memory of 756 5032 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe 83 PID 5032 wrote to memory of 756 5032 84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe"C:\Users\Admin\AppData\Local\Temp\84f26b9e594b9ec30c3692de021358d2c083c6e515f2c44da198cfc1dc73af98N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032 -
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:756
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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
MD520f54ee09c6a5ecd1798a6872c1f8f0e
SHA1d6a9bd5116ae56a507c3b8e011f59b1b9be106b7
SHA2565d6e830780976c92f8c9e5a8c07b31bfe90fb16fed484478100c1a4454c90c46
SHA51281d1c10b1e371079da2460933b5e04574110dfd1485d3a8589e41d8b3acbd19452791289090b947672a0d52717ca4b87bf5d2aa4a305c60652b4d27a6e307a9b
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Filesize
352B
MD54b87d8c92bf02e4daf59efd1301f16e2
SHA1a773bd7157fdbfd19bfca2401ae299d5cbd5c8ed
SHA256e62a2f617f43d0b182b9554cefe47826d70b7f9633cb3d1e432a75986aeda7ae
SHA51268b005e6fb969c388829ddb783f98083c90f8f04c846feaa834d0ee98925e5c17a2e5f6ad786e683ff5c036a533cab3f46901af44b832e1b6930c05bf3223a21
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Filesize
352B
MD5c65141927f5ef9edb08ae090788ff5f2
SHA1342a533a9985c6de19346f5609ef37ff3dcd8618
SHA25635505f6931ad10e0e8109a678a94c213fef4e69f471f2317b1dcc3ce919be988
SHA5124a6bf6dfce845532f56d38453008a1c43b45e4631ec932184f8b9532a9ca18f04f925b6debac823bb4f8fa4a2c9dc18ce045fb2fa601256d5b097ba88fb5122e
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Filesize
352B
MD5e4257ac6545cee140ddbc4aaac5acfd5
SHA10b773d2c6a342cdf83235d533a7adc02935025c7
SHA25672ed8789d0996b89958238855937b6681ae2c9b07ef222acd18245915b080e5f
SHA51274697c7f0e37dc64307b35764e0b5af0e48633f729abbd326f7cb7e8e3886bd56fa4b54f6bf77b2b43734102f844456b3d4831bfe626ad2ccf991e1d752fe1bb
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2