Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-01-2025 09:37
Behavioral task
behavioral1
Sample
fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe
Resource
win10v2004-20241007-en
General
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Target
fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe
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Size
29KB
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MD5
084eba52c6d02e4bac1fc13a26c868cc
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SHA1
e4c522044d177b6814510a5cde5d43d6105998e0
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SHA256
fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e
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SHA512
0322b4b3d59479e2df08949b6fb01d7c62194cf6be33306671b5c1220fd8ca9bc15cda0df55e207c188fed217eeeab89b52557562af8a1c2fa7ded7ebf4515cc
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/90:AEwVs+0jNDY1qi/q10
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2728-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2728-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2728-132-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2728-173-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2728-177-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3656 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" fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe -
resource yara_rule behavioral2/memory/2728-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c88-4.dat upx behavioral2/memory/3656-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2728-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2728-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000707-62.dat upx behavioral2/memory/2728-132-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-135-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2728-173-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2728-177-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-178-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe File created C:\Windows\java.exe fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe File created C:\Windows\services.exe fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.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 fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2728 wrote to memory of 3656 2728 fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe 83 PID 2728 wrote to memory of 3656 2728 fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe 83 PID 2728 wrote to memory of 3656 2728 fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe"C:\Users\Admin\AppData\Local\Temp\fe555fddc8b17360dd88ac1d84fab06236998bfe8274ee81df2aff9b6fd9f17e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728 -
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:3656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
304B
MD5267ddfdbb8d492b25de208d84b290f1c
SHA19f57d9f19f25549e1232489a0c101a92e851de2f
SHA256ef1f87447ae1ab45548d2934cf0dbd15a32b86359ff9fccfa48d76c1badf6586
SHA5120709aa62d39d419d335183235dcf328e1dfe6997bd9bfbdeb01bb050df8dcab63ec2d4f46e4718ab389fa8e12af66dec2e3019c8871ac6e40927a25cb706c6b3
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5d5dbee68327125cc51e2ee1bd06d92e2
SHA1b9c53d594de7aaa5cbde65a514882ef191b45e17
SHA2568b3b45e0cb0afad04c475ba1d30e310212d75846e31f1b06a7813c553f799092
SHA51238293547f6e42838b7beb90c94207b81fdebbad84fcfd6047fb9ac5e21d89dc023bbf516f8ce69601a85544669ddda7ddff23dc429be7376468566339d97f3f0
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Filesize
320B
MD5c4670e15a07a2808dd060bc4fd0c64ce
SHA14cbc7842755343f6743f10c0fdc53ff08549b9e0
SHA2569ee2eb752d5ed3e0ad3e025dacecf2298d885984712cec7948472d90e9b17afe
SHA512374b4c0e68b4b55dca4dd4a1947e2837a1921bc2bb568ded34c1428cd06b7a8925160193dc7710fe008f6f63cbfeafd28e58fe4f43d3b5e661e0e08d9aa8b6da
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Filesize
320B
MD5573c7ce87c47f435e77577c753df618c
SHA10aba9082417fbcdf032d9358f01b7eee684601a1
SHA256a14e4c6555c9f35939666b34aaa60e9bf4e4158358d97e33bed53df200f30dba
SHA512fdeaa1c8c1694a5a1b417ba3274bd247f47cdd70feaa1b3f427e88e28fc46e82fd09f90fbcccbe94b1e54f264001b65de092f98f4bdaf70cfb55bf8541914afe
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2