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
17-12-2024 23:46
Behavioral task
behavioral1
Sample
5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe
Resource
win10v2004-20241007-en
General
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Target
5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe
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Size
29KB
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MD5
4d3b4e285621357cc586875b84196920
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SHA1
3ed3837cced3baae2c8e2f9890b78ec33ef5734f
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SHA256
5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7
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SHA512
0e61014d94427cfc55fad5a8a89af50ed3f621375a4efa8ad29da15cd6cda78044ef351e655897d4032f53dc463eaf1882fbaecbd22a068de86681f324aeefd4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ahp:AEwVs+0jNDY1qi/qYT
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/4260-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4260-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4260-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4260-128-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4260-145-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4260-152-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4260-181-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 740 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" 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4260-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023baa-4.dat upx behavioral2/memory/740-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4260-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/740-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/740-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/740-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/740-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4260-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4260-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f4b-51.dat upx behavioral2/memory/4260-128-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-129-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4260-145-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-146-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/740-151-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4260-152-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4260-181-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/740-182-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe File opened for modification C:\Windows\java.exe 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe File created C:\Windows\java.exe 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.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 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4260 wrote to memory of 740 4260 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe 83 PID 4260 wrote to memory of 740 4260 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe 83 PID 4260 wrote to memory of 740 4260 5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe"C:\Users\Admin\AppData\Local\Temp\5c72183eeb6a9f8346a94c0d66bf03628e448bc12fbd52ebde203916c9a8b4a7N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260 -
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:740
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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
MD55682cac9a38647a9fab41f723ad605c2
SHA173a96de3e3077c99405e9d6dac8281ff13a67655
SHA256b7146b6c000042f0aa1f2d7ffc3762e383e8c91a40e1db9062518be691df7ba9
SHA512aca462fb950f6e867eaee117ee68ec6a7dc1dbacd41d287a5e1db8ff94a551a6cb2e35e348dacdaaeafed556e73e9aa58af5538aeaabd96fadee5240ab3ba51a
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Filesize
320B
MD513b0b9e6689e083c352ec94a76c4f5e8
SHA17b818510304da06320bddc2c0583096183437998
SHA256047a86094b12844ceca3b3cc56a13f6e80a96ef1cca33d0255f20a5b50255612
SHA512dbc46fe2daefcf13ae0a4537da722de4184bef3033e5aa51ce100725ce8959fdebcbe576c0070e891429ef26f5dea424e5c937ca285b46795908d6c4687cc3d1
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Filesize
320B
MD5bf7665186665df160237bce041710f22
SHA1b8561ee75f2609d5a5673dad8945a238c3636821
SHA2560227c2f99868447bce7dc138cc8733a218c5f154e33c0097289816322524a4e4
SHA512082c2e7fcbdb5730d3f5d13a7e3a42167d9b980dc7a321aa8ed54ec8377c0216598b60ecd4cea51bad7efc013f7c22bf7120cdfc119a3cb8065714f475d32d1c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2