Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 00:06
Behavioral task
behavioral1
Sample
849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe
Resource
win10v2004-20241007-en
General
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Target
849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe
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Size
29KB
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MD5
42750984bdadb7810864e98fa966cac2
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SHA1
5a695c23bc61263f66a387c37bffb1af692b4531
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SHA256
849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e
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SHA512
c33498ebfd215ed4518d29d41cd31ed727d3e33acf28909a2e98e44fab270860b2b3d29a2c55315f288da1c965b7d77829d235cf942ec52025681c9b48e8816e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/BhQ:AEwVs+0jNDY1qi/qpm
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/3480-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3480-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3480-124-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3480-172-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3480-176-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3480-192-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4780 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" 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3480-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cc0-4.dat upx behavioral2/memory/4780-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3480-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4780-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3480-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4780-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-63.dat upx behavioral2/memory/3480-124-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4780-131-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3480-172-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4780-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3480-176-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4780-177-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4780-179-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3480-192-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4780-193-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe File opened for modification C:\Windows\java.exe 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe File created C:\Windows\java.exe 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.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 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3480 wrote to memory of 4780 3480 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe 83 PID 3480 wrote to memory of 4780 3480 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe 83 PID 3480 wrote to memory of 4780 3480 849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe"C:\Users\Admin\AppData\Local\Temp\849d52b70c3dbd7e2db58b419e84a2f3a5190674030715bd08c1237dce5cdb6e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480 -
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:4780
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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
MD512a806d11fef04d328c840220c0eded4
SHA1c1514488ad05e2f6edd8f6e313de66451364f6f6
SHA2568f67f0578476271ad80b77ff8f83265665059687cd7072b399091c0a7705fa79
SHA5125b15fbb57dd0926dd0883ac3f2454e12a9ade27707c626ac11929b87fc2ed81c14e83f56ccbada6c737fbe080a8d24ec1e44c672c225d9cb86f4e8b4e35f5af7
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Filesize
320B
MD57f081b0ec57967ffbf1f552ad5b4a8fc
SHA1590e8e63de9b98c5b5aab93ba7360e31ad906f76
SHA256679f0d208d6ef2129b52dc1763a5aa947ee7fcd3a5aab26e67274e8e14cd17c6
SHA512d4837e705d843427f87f485608bfb00b2beb74db95a04531e55b649eabf803d258c822c28928f36038983a688f72179c854d24e8e4bfa451cdbfdad10d9886fc
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Filesize
320B
MD5ac2b7abc047b7e99c22fbbee56fcefb0
SHA1459b7c96eff37ed3a6f806ae22975866ab5be65d
SHA256870ce3a4a57274782a3033e07afc327736eaefcd3015ac226761d3c5511f260f
SHA51256dfd367a2f685173918552614b4d24ca56767fba7ab1626464c5845fbbb03b21d29072bc5e0a17c305dd2e343c26b093944d0fe6b8ea7033b3cce61d18a98a0
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Filesize
320B
MD508666cd8c9c8375e3b31858f893c2c5c
SHA1ad57917aead4f77ade7c04b3341b8a692458c17e
SHA256ff9fe648ae398650a92adaff4d56ea03eb61fdf8c5b2adc4572edbfa385e9271
SHA5128f187a1d144d7b857425ebb6367ddedaea098a88b3da4e64fdef37632e59d340c65cca3d4d5697004f3eea1537b8284bd1ec954c18c5c311d76b3ddea87e97cc
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2