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
02-01-2025 00:27
Behavioral task
behavioral1
Sample
779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe
Resource
win10v2004-20241007-en
General
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Target
779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe
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Size
29KB
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MD5
ba478f835a7888c29e0ba622056792e0
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SHA1
aab1b7f92741a7c02dff2f6e3edd6134384fdd32
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SHA256
779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6
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SHA512
6dc2b39dd098856689e36967c087b4a138ca8bfe00469953439e30dec75f95090f652f8d8fe9bd10a4f2baf8b036c83fffa2e2f88870c76f8832b87a578d3c3e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Yhp:AEwVs+0jNDY1qi/qQT
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4180-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-136-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-162-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4456 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" 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4180-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4456-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000e000000023a3a-4.dat upx behavioral2/memory/4180-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4456-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4456-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4456-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0002000000022187-50.dat upx behavioral2/memory/4180-136-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4456-137-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-162-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4456-163-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4456-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe File opened for modification C:\Windows\java.exe 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe File created C:\Windows\java.exe 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4180 wrote to memory of 4456 4180 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe 84 PID 4180 wrote to memory of 4456 4180 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe 84 PID 4180 wrote to memory of 4456 4180 779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe"C:\Users\Admin\AppData\Local\Temp\779a20126e4fb28caf45fff1f75a2846abce954694dc8dd73659eeedb889b7d6N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4180 -
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:4456
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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
MD585015cf828319fdc611bf3e3168dadd5
SHA1b94b1f3e76b236c6f1a1dec9393925df7d4c0042
SHA25624dfa202aa0ee8f53944c5eb05bb3f5e16fadc1a016600b291e36025d52b5b92
SHA5122ad84f52f168dcf3954a1ea4800e64b0b6ccb3baa16e4b753f807a3439764463fd6e440806ec26199ecf868f8cb6d2ffbc105888af2b15069809095270033490
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Filesize
320B
MD51cc662de35cc491e30ed7645e037394d
SHA1beea1b5c1ebf6df7ddff3c5a48c6ed07105b1fab
SHA256f03fb324a847ab7413303ab33eb648599cd774a2d1324f5fbc8e05eeaf44eeab
SHA51201ef3b39446974e99b1315ac68e886585cc29df3e58e906fb5e60afa351c66bbe39fdd201aa1507a9deb5b5a5c0bca839cfb841a9600e9d95b93e6c85cb7d7b9
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Filesize
320B
MD58ff3e38befd63d25efc9770f4c3e8a60
SHA16e40bd988d18bd58aa7db24d7746096a7123a4c6
SHA256591f7f74b65ca33e71d1263684e03bf4c9166684cb246dc4f10ca2d41339d8fb
SHA512c0f00b37e7af6c3455639048527dc1a1eb606a5c8200175c9267f652b6e9d723d9aa4fb11e2745ee823ffa0d8d02219a38de11517f3a8beacb27586c770cbafb
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2