Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-01-2025 06:02
Behavioral task
behavioral1
Sample
a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe
Resource
win10v2004-20241007-en
General
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Target
a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe
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Size
29KB
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MD5
9aa9871e981b73d63a4cebfe6ccf4452
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SHA1
48bb02408b47821b96adb1c16e11eca067c018d7
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SHA256
a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d
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SHA512
fe609ac6be130d420f1336e1adf85caaeae623f283dee47eb49535e76479f04c7b2d253ddb3bd7a072dd8ceda0fae94a6eb9cbf0d7d828fb527d27d9e7e4c20d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ahz:AEwVs+0jNDY1qi/qyB
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2316-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2316-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2316-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2316-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2316-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2064 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" a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2316-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2316-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016d9f-9.dat upx behavioral1/memory/2064-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2316-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2316-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2316-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-75.dat upx behavioral1/memory/2064-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2316-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2316-87-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-88-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe File created C:\Windows\services.exe a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe File opened for modification C:\Windows\java.exe a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.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 a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2064 2316 a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe 31 PID 2316 wrote to memory of 2064 2316 a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe 31 PID 2316 wrote to memory of 2064 2316 a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe 31 PID 2316 wrote to memory of 2064 2316 a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe"C:\Users\Admin\AppData\Local\Temp\a9bb94285f1a2cca45b71712f72abbb9b4a030a9efb7fb7e8e86d9033e77fb8d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316 -
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:2064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD565d3cd4e7c96b6e5f65b902b535aab3b
SHA188887ccd4fa0f1faaa93188cf237519b02920d39
SHA2560d03845d1da434057f005eaaf95baf38b17aa20099e04801818649ba8be59388
SHA51265f96d7d0171a3fa2406f12330b1502d981eb50ad94cfe6dadab411388fd2fd7b259e1024fcfdaa399e0bdf4d8a8a294ceb938de651190abe9b472fc42198d93
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Filesize
320B
MD52d5c4e6afb958cbeac42f860e9ad6583
SHA1d04b41b62eca3054255081536ddce7afca49e163
SHA25696ddd83df71ac9a1b389a8424103e3236ee1ebf9ba4da635dda1664f202a5a4a
SHA512e0d846d4e0a19281315abad86b64cc8f2cff3b36c8ccd7061d4fbaa9e115d6a072ad624bbcf88d35a0e02bfebeb6d4acd9a778ba464c5e31a46e0e92d97f195e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2