Analysis
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max time kernel
120s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 23:59
Behavioral task
behavioral1
Sample
b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe
Resource
win10v2004-20241007-en
General
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Target
b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe
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Size
29KB
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MD5
f13d2d2366080e3aa43dfed6a33b4258
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SHA1
2228575b7d0b44cb0c1916abd87b21d82ec6d4cb
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SHA256
b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a
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SHA512
dcccae1b5e104ab77a1cc7a1f277290756feaac7bbbf2592be89c2b29422383d38f8e73cb3204681681663fec557da08b25bc7208a9b23feccfb885390ee9a0c
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/s:AEwVs+0jNDY1qi/qU
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1968-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-132-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-146-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 888 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" b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe -
resource yara_rule behavioral2/memory/1968-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b8e-4.dat upx behavioral2/memory/888-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/888-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/888-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/888-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/888-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000709-55.dat upx behavioral2/memory/1968-132-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/888-133-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-146-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/888-147-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe File opened for modification C:\Windows\java.exe b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe File created C:\Windows\java.exe b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.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 b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1968 wrote to memory of 888 1968 b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe 82 PID 1968 wrote to memory of 888 1968 b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe 82 PID 1968 wrote to memory of 888 1968 b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe"C:\Users\Admin\AppData\Local\Temp\b7b53b5025154528d1dd13b1ed5609e0cdcd6708677cd839be36f7065767324a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
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:888
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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
MD503e60f6473da3791c9ea48f69ca59d15
SHA170f672e820c8a7fa3c8372ab88a932eec7e31cbb
SHA2563213d6046a27afdaa9655abc2b7198ed9d4d5f784087c4653006de63818cd8b4
SHA5129b6fd67847803a4fde0cf7493b4f3b39986c054c7a4006f0a51b18fc9e9410d08aa32fc21610586ad3e722d760dc2f43c97c8c8166a88edbe6e167a670d3207e
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Filesize
29KB
MD5648e70490ad440d04dfed28f9fabe0c9
SHA17b1ccf6aa0be7817fe7b43d9d5409eed4124f9a4
SHA256c7610199484fddd1da87a26f425b7f37e429e4d2db82a2bc1d175f18eae8af10
SHA5126f9d42d717687160dfad3099b8981884198f77f6665a35ba7a2cebf70afdb69551ba875b9c65de4cd9bd0dcee6932fab4b62c4e2af6687b31534347bce057b08
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Filesize
320B
MD5bca4b29e5634c13c8dfcae68ab5cac1a
SHA1263e7e6d191db942b357da62960da7e51a85fcad
SHA256aed4f7cb83d77b9ce9e410bbdbd04e2fe6a7ed2920a0010f80f08abb884ad3fe
SHA5122e49d50fcdaab7cfd296844a17ed00f045c79c0bdbd8ffe31ffe128a213cc1613d266ab836e73af5f7e53cf1eec9d81b96122cdcf6b3f66565f3e6d028645f51
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2