Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/09/2024, 22:26
Behavioral task
behavioral1
Sample
a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe
Resource
win10v2004-20240802-en
General
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Target
a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe
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Size
29KB
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MD5
4546b151828ea3160fe7ef27d2452d40
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SHA1
d86a0f1682f66658010d802d65920180c936b70f
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SHA256
a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974
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SHA512
ff04430ca8356cfed1cebdd4f9a2ab596743b88bd25e212e9dcf330b74eef82a6efc3d557c01424f0722d05aa7e1f85b2c9f2eb6357d4eff7ab225a495e2d701
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/BL:AEwVs+0jNDY1qi/qpL
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3224-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3224-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3224-121-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3224-158-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3224-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2424 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" a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3224-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00090000000233cf-4.dat upx behavioral2/memory/2424-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3224-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2424-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3224-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000e000000021863-56.dat upx behavioral2/memory/3224-121-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2424-122-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3224-158-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2424-159-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2424-161-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3224-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2424-166-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe File opened for modification C:\Windows\java.exe a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe File created C:\Windows\java.exe a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.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 a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3224 wrote to memory of 2424 3224 a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe 82 PID 3224 wrote to memory of 2424 3224 a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe 82 PID 3224 wrote to memory of 2424 3224 a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe"C:\Users\Admin\AppData\Local\Temp\a6f798d29621f3f9a5fd2123639206b02af8b94c6c7efc2975ddaf09eb11d974N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3224 -
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:2424
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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
MD5902813a42934fbbd13d4884a48d6fe6d
SHA1487d3da0de3151fd4242f7c95293b901962e518f
SHA256aff846386db3b4a56def7c725bf0b57c59cc4f075934e1c98cddb4270ed0452c
SHA512014d4e6cfa3950d9669263e3b2cf8a26a5570a0cc76a2262d1876b695e28d11a3af816204dc90686d20cdd9c664cdf5347cc7715c3e632121501e6a500091b16
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Filesize
320B
MD5001bd69e8765498aee7f6629aa4168f4
SHA14eef070466381f338e8e4606cad1c050a3aeced4
SHA2569369d4d13bb60b5a0f4e2c2048c1965987d28f25ca7f11c68c65e69e7288ff1b
SHA512aadb480625a3fb0f4e68f9d08eb077af75abd9e1a374698bfd1566936a4048cf8e11bfa34e4acedbc9a49200eabbb700384dca1142b32fc5d02924b63de889a8
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Filesize
320B
MD54f2476e114dc038ebfa157da7f7c0bbd
SHA169dbe4a412ce57d6635530e4cafcf9a7b90af567
SHA2564f87be0fc9630b46b83e4ec51b6bbe52568f5be9c45216df29019fbfb2c70cca
SHA5121b12b17197c0abb2d678ad66b506ad26d71788e8ed91827d71b9a8cb5d0174316fdf423cf5010253e6139967be2a06452422b47a8f98cce035fb77775f6d31d4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2