Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-11-2024 00:27
Behavioral task
behavioral1
Sample
91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe
Resource
win10v2004-20241007-en
General
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Target
91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe
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Size
29KB
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MD5
230b6838e8860702a32081a6917dc540
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SHA1
a75561b668ce0e51512e9999e8857853e7a2a296
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SHA256
91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124
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SHA512
5781805bc7abba672393a0a6ad08fe167af6c4d38f95d2d5bd0b691a1614d00c2d063e25158862ddc5a8c7b1ee77150591e20c8eea4d61e8a820edabb0712396
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Z:AEwVs+0jNDY1qi/qR
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/756-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/756-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/756-94-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/756-167-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/756-180-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1920 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe -
resource yara_rule behavioral2/memory/756-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0033000000023b78-4.dat upx behavioral2/memory/1920-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1920-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1920-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1920-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-70.dat upx behavioral2/memory/756-94-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1920-95-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-167-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1920-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/756-180-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1920-181-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe File opened for modification C:\Windows\java.exe 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe File created C:\Windows\java.exe 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.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 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 756 wrote to memory of 1920 756 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe 83 PID 756 wrote to memory of 1920 756 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe 83 PID 756 wrote to memory of 1920 756 91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe"C:\Users\Admin\AppData\Local\Temp\91d19a0062f84cc7c297ec1977f7b4114262c622bad1cc4b5f4f3d3100bfa124.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:756 -
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:1920
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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
MD5023145d615ec88f2e804164726182a32
SHA1dbefd4b6a31b351d5e96d737763695b30b1e768d
SHA256041f3fe2a95cd5bf89a62cdb5394951f88b5d9237d7a368f859ea816dd603181
SHA512e78038cd7f1f781082642e187b2ba7bff9af9c034ee0d62ea0ed5becc05c6dcd2cd54d118f5f5d474f64442e0b4b5d2979513e37b91c95f8271b570d2ec3831f
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Filesize
320B
MD5aec57ae47de11d7be1e15009ed420ff4
SHA11bd246b8f60a6cddffb4d387b4cf333a0699340d
SHA256672ea6e72d37c314b36e7d2ed3548f536aba2abc23fe0bc184ae37b53add684f
SHA512039a16f07f20514377a7a1ee111e13ba958b7ba9933cf121aae5d5c52d3d46abfb3530d94d8340e1236721ceefd42b12ba354dd7a9cc3d1a9a8e1e86dc651d47
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2