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
06-12-2024 05:13
Behavioral task
behavioral1
Sample
444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe
Resource
win10v2004-20241007-en
General
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Target
444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe
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Size
29KB
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MD5
49100a8e04b4f3d874a4dee6a7dff477
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SHA1
41e231d234be23cc123bdfbdab0c542f428b6686
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SHA256
444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2
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SHA512
100049e2e6f90053243dc77a23dde2707c4f5f40654cc3d678efd375728448f3b1f5f16533ce9b910629ae57a40ec8f4519309bff86e528e9bfc1a94c869ec8b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/whR:AEwVs+0jNDY1qi/qIr
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4588-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4588-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4588-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4588-137-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4588-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3972 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" 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4588-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b93-5.dat upx behavioral2/memory/3972-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4588-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3972-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4588-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3972-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4588-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3972-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-67.dat upx behavioral2/memory/4588-137-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3972-138-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4588-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3972-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3972-159-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe File opened for modification C:\Windows\java.exe 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe File created C:\Windows\java.exe 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.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 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4588 wrote to memory of 3972 4588 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe 84 PID 4588 wrote to memory of 3972 4588 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe 84 PID 4588 wrote to memory of 3972 4588 444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe"C:\Users\Admin\AppData\Local\Temp\444ba5fbe6bf77a2067767ecc3b5a3ade971ae8e6a475b5f607aa0ee473fc3a2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588 -
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:3972
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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
MD5fbde413df07c35909632ee0dd151dd71
SHA1a1eeee75c34a82bf7bca7cfaac482c3bd9343ff0
SHA256f9d32b22979948621de9ec2d2a8d4b05997defbba43848be346cda78a9d7a4fa
SHA51249c024b16cb7375e679a9e2dd8624608238a8ed98272d8f210c9355fb95bd7d049a2000b8c58a3a24a8dfc66f62b02ed4887553771d888f803e64ba1d1e8922f
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Filesize
320B
MD5b0255aec6dc60cbb77db597da0d0a654
SHA1d7840dfd0dd063fe370ef3bf65176b76824d0fdf
SHA256cce59745d5b2ac5938dcb99534839ea5e645b4b579ca96447d360e4393e7a11d
SHA512e7fc7a7b61ed7857f333d991523f5c320bab3971e1da02215b4331b92333a8a079ec83c1fd9320efe47b405386110e9fa5d6dbf0fd87e0c2a4525080505e0ede
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Filesize
320B
MD539cacd55b4a85efb24ccd045f5ec21ab
SHA17515d2d251b7ef34696db80f891030ea3153bf7c
SHA256886eb38f0640d0fcc3bf701a2df952fc9504a400d12a628411c63bde8ec180d2
SHA5127657d887bcd17106f146e2e74e731affb4e23424bdeb2c4480c0d47841b1a6789ab3f6b6df9e4e7cab2b651805286ddf31923a6f8b89524eb78b04753ae79bc1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2