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
31-12-2024 23:44
Behavioral task
behavioral1
Sample
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe
Resource
win10v2004-20241007-en
General
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Target
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe
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Size
29KB
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MD5
58a01cd7298b2e1d8411be29ad7732aa
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SHA1
3a8ac73384325eeb2b46cd0a3a8e9bc952269905
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SHA256
841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9
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SHA512
9107e8edda1520e4c299c547ced99fac61a0f216bd97b54733a72ea1a85cadd86f8a190aed8101f172fede8db6107f7f2ec13aab35be031ab760b3cb6eec04e0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/OhR:AEwVs+0jNDY1qi/qGr
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4824-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4824-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4824-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4824-175-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4824-177-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4824-182-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4724 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" 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4824-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023cbb-4.dat upx behavioral2/memory/4724-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4824-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4724-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4824-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-65.dat upx behavioral2/memory/4824-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4824-175-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-176-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4824-177-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-178-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4824-182-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4724-183-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe File created C:\Windows\java.exe 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe File created C:\Windows\services.exe 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.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 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4824 wrote to memory of 4724 4824 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 82 PID 4824 wrote to memory of 4724 4824 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 82 PID 4824 wrote to memory of 4724 4824 841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe"C:\Users\Admin\AppData\Local\Temp\841bb8d8f3d7cc2bbc1f043ed89be34e1ff5a7a999cc26313fd66a83d49508e9.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4824 -
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:4724
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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
MD5555dd681b7e2f40a9243a54734045a0d
SHA11a6d9385b4ac598870787f8cd997b155386aaad0
SHA25626cb5023f9e567b841af359c3c1347987b347bdbed403165f892f550d4f2c24c
SHA512c525bad21fb90addedf097e0f92ab308c0005402075d9b7e896920384c9fc27de27a408d386479c21de4922108e53083522c2ac917c6a9b78560ff47d553b186
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Filesize
320B
MD515eccd7d11bfef106e26a977eadbca9b
SHA1bd4e6a4f8127ace39cac577dda0cd342e7f8fe49
SHA2560fb004e91ca030246704e60fb0dd8eba0a3683121ae24d34aec9b565ca0225ea
SHA5120c43b54888b09cfc0aba330cdc06fa5277c83418647c2dd44cc4b3ebd249e949f960bf5da33dcf48f51c999e7438a3471dfbca3fae6b45ecdbcd54639f2e0cd9
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Filesize
320B
MD5fe3a31a5412155780c66fb823d4bb685
SHA14de33356346684f1f39c5d02b707d2fc66e14115
SHA256fb8c42bae1b852eee382b9c65cfbf85e78b1d4edca0ccaa16abe05011cffd5a5
SHA5127ea6b4dfa42d6082ec65e938cb38a0f84c42aab384e84b5c026820e824f80e588e0383b9a3e991e63653dd344b2c840fe7e6a383210a7986b5d2fcf974b6df8b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2