Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-01-2025 09:38
Behavioral task
behavioral1
Sample
ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe
Resource
win10v2004-20241007-en
General
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Target
ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe
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Size
29KB
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MD5
74b986036b8d8aad2457b25af20a93b4
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SHA1
8203088da87dcafb93296c3f8ecef4466e949777
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SHA256
ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa
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SHA512
05e7ecf8eb682bce3ef2695e0f911a4a80782a44e97a0aecd19d1a9730a0d0241d9a757ef4450e4a7d572b3099c523b84e9ee189ea9715d7aba0f91e46ef8526
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ZhH:AEwVs+0jNDY1qi/qR9
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/1752-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2472 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" ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1752-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1752-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000a00000001739b-7.dat upx behavioral1/memory/2472-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2472-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2472-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0009000000016f97-60.dat upx behavioral1/memory/2472-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2472-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-77-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe File opened for modification C:\Windows\java.exe ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe File created C:\Windows\java.exe ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.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 ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1752 wrote to memory of 2472 1752 ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe 31 PID 1752 wrote to memory of 2472 1752 ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe 31 PID 1752 wrote to memory of 2472 1752 ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe 31 PID 1752 wrote to memory of 2472 1752 ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe"C:\Users\Admin\AppData\Local\Temp\ac317202a97cad6983f3913b6287e7f380eccaff8a199b2371c0482fec80e7aa.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752 -
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:2472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD524fde62917693caae46b3a2cb78ea993
SHA17388128e92a5e82c69fa2c0187a6a5d79046d906
SHA256243f7625d34c40682d0dd4e7162961beab2dcf44ddb7e0fd1582136f08897ea0
SHA512254dbfa81cf788a8238523b6f1d58b9f73045ea9fbb28963930def51ed305e5e0f0dfa5438799d83a5e52e1a3fac71fc4edf22e721f2d2d08276e2ab2520832a
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Filesize
320B
MD5e0b7c8ce9118f1646c408e78acdea632
SHA11925a71317eb23f476c7e2b214b8201e01729aa8
SHA25617754b6677f2f36e1cb10536f8c4425aa334bb2fb6425979e79b589e5deb7fe1
SHA512de89ed0ddafb82a5e7fad0b47d0c5e59c999098082618ceab7795945aa4ca41b17708ddabce9c811b3e08649a97bd1516b23880efa2eb2c0137524ce00f5bf23
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2