Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 16:17
Behavioral task
behavioral1
Sample
aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe
Resource
win10v2004-20241007-en
General
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Target
aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe
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Size
28KB
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MD5
10704f9f9fdea80341ced347d70f61b9
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SHA1
517693c86a0bb91b595eee36325862c6c309be23
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SHA256
aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e
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SHA512
b6fafb2e7ae335f704c207d9cc22991a6ca48cd0cdd7736e719f8c86169a3505eed7d6f77d90cba35614d45bf96a6fcda84c1751ef444b77146db6eebed3d642
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyN+:Dv8IRRdsxq1DjJcqfd
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2932-15-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2932-51-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2932-72-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2088 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" aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2932-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2932-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016d33-7.dat upx behavioral1/memory/2932-15-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2088-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-23-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-35-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-47-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2088-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2932-51-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2088-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0009000000016db3-62.dat upx behavioral1/memory/2088-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2932-72-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe File created C:\Windows\services.exe aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe File opened for modification C:\Windows\java.exe aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.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 aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2932 wrote to memory of 2088 2932 aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe 30 PID 2932 wrote to memory of 2088 2932 aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe 30 PID 2932 wrote to memory of 2088 2932 aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe 30 PID 2932 wrote to memory of 2088 2932 aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe"C:\Users\Admin\AppData\Local\Temp\aa88672cb789490ff480bbdcac3b30519e2b4b0209b0d494ba32086c1099770e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
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:2088
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD567791014e315124d7e444594b4aee582
SHA1e367dc3b72e07d1e4e4047a8d6666e0c4ecfaa35
SHA2564f3ff2bac851235b22c7f29641cd20a32b1595b41b3334df9ca0b01fc645c159
SHA512ca92f884f9b6b3e311dad7290528e5bf0c1c51054acf0a626e73cf2a4c5b38f454256cbb803bab2a01dc12ac350984a40f00821944053227861678cfd7354531
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Filesize
1KB
MD5633e9d32618e5a8ba3a8d6421a9751da
SHA1e4bc27ef19cad6de23051408c139c05830956c44
SHA256e958545a411bbbfe590d669f24841f4f68cfcd1cd74cb3981b0b0bf6d39c3148
SHA5127619ec2ac2825b3b9985d1f8d6cdd71d530bd542c4831ba20590e22ef584daee11c02a10cfcbff9de380e90a67b36dd3ebf48497f38265eb033c1444b9ba2bbb
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2