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 04:32
Behavioral task
behavioral1
Sample
fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe
Resource
win10v2004-20241007-en
General
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Target
fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe
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Size
29KB
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MD5
07a3c64b75d166bb48181f74c8f1bf01
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SHA1
c7669efa71f5af1626a382be27a67638ea2c5877
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SHA256
fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a
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SHA512
4e84c05d527a69b12e3d645cdbeb733a74e31a48dea40f7684ddcd39c3650d4c164b3e812428300eee157690025e8e870800fd60781a997ec6633ce869b079bc
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/x:AEwVs+0jNDY1qi/q5
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/1732-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1732-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1732-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1732-146-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1732-169-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1732-178-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2140 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" fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1732-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b8b-4.dat upx behavioral2/memory/2140-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1732-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2140-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1732-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2140-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1732-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2140-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000705-57.dat upx behavioral2/memory/1732-146-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2140-147-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1732-169-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2140-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2140-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1732-178-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2140-179-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe File opened for modification C:\Windows\java.exe fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe File created C:\Windows\java.exe fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.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 fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2140 1732 fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe 83 PID 1732 wrote to memory of 2140 1732 fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe 83 PID 1732 wrote to memory of 2140 1732 fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe"C:\Users\Admin\AppData\Local\Temp\fa740055bb76f28f4e822e7766eb3cd83dc771b9d80d9f8cd5ace2d2a9311b8a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732 -
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:2140
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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
MD52b3cfb9e0e07656c1689bfc73f2d3ea6
SHA1135885179e959892549a66af3c0db4e68da72cb0
SHA2563a9fee0535247f1714ff1d02658a59e52165ff7f0ce0b2f54f343a568c37bc8a
SHA51257267c78c7bab8b67df1af963ef4fb3fea69d19dae466832267aa96741530755f079d17e8cdc692aeb3048c3fd240662568f7c729a1e1fe5a07ab098854399ea
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Filesize
320B
MD560de1264409000df39d048a94a871469
SHA1d99a81fa2849fce7dcf4c04a12cbf26b70321753
SHA25623e0783fc8f299a2e003096d9db62866e9d31c48900ec45c81ccb5e941e24be2
SHA512f2f2bc93fd53a3873a6a51e7ce1daa6f49399a6733a5539f7556ed4e3754c95acc5408a2e09451444065f1d53d721937d8de09fe47b3117b7608b90e55e41018
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Filesize
320B
MD5f072f29fdda94c6a82c63d4e9d1e007b
SHA11526abc373d3976375c45527b7bf312be6f13685
SHA256d0d6d6b6985b14c16b9b31ca707f7a2c184bfbd06dcea168c53868c58613698f
SHA5121f918bf9d15fefc1874300fd09de5d1107a72a08e3dc41f2cb59f09748308381efeeacc77082e2958cc187a0491201d5041573cac7667776d8290f57f3c7089e
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Filesize
320B
MD561e102d2f65efd601f6f64c8070cf0a1
SHA130bfa0a726faf0715d342e3e61a3e4e461958ead
SHA256b3956c15b5d73c50e75eb938a27556ff0f6662929fff80bea3928c1354b1357e
SHA512d6ae1ae398da86caa230387a19d51f22a5161d77a41de810f84170bdb07e811c97e29fe6c16cf6388b2a947c286c8864295566e01404ae00f542f4e4e8c33cb5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2