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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 19:56
Behavioral task
behavioral1
Sample
f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe
Resource
win10v2004-20240802-en
General
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Target
f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe
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Size
29KB
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MD5
4dffbbde9513d7c5cbc433d7fe5706e0
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SHA1
10a55ef63f6d97cce168316dd9ecad26ab19990f
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SHA256
f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8
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SHA512
b45222b92cbe13b7eff85d9fafda93dd93ce193ac18c0fa48f12d59c8f23427ca3f457311fcf852baf0263356c56ce820cdb6bd3d0f7746c3642ad4349368585
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9//n:AEwVs+0jNDY1qi/qXn
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2184-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2184-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2060 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" f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2184-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2184-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000b000000016d92-10.dat upx behavioral1/memory/2060-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016de2-66.dat upx behavioral1/memory/2184-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2184-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe File opened for modification C:\Windows\java.exe f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe File created C:\Windows\java.exe f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.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 f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2060 2184 f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe 30 PID 2184 wrote to memory of 2060 2184 f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe 30 PID 2184 wrote to memory of 2060 2184 f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe 30 PID 2184 wrote to memory of 2060 2184 f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe"C:\Users\Admin\AppData\Local\Temp\f1647f3320cec353c34fd1e3fa351a07a11b15977b21f0c19393778684caefa8N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
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:2060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD58f29497924b02e08ca00e5a28fe11886
SHA137ad36086d954e1228dce96579e7017ffe0dd6b3
SHA2566c2300d27debb360c3de1d91eee6a7a8e4dccb0b76312c4981dce4b8a17fbfdd
SHA5123ea00da65710735d1944d8e51055043d5fabf00b89ba5839df75b8b3221faf2d0531e1165b97e91e312058494556180e17358c3c4c3d46ad5425d528c25c8efa
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Filesize
352B
MD540df2698837cb8478b870a562163e0d9
SHA1fff7338574bd4c59d5e068dab3c9d4f85834af23
SHA256a41ac35293df1c6667fbd2fa7240769b61942595a510d92b90b184994daeb28f
SHA5127ec1b4d65445c1dad443acd5a8e2bdbe9ac165b092ee97bdbc2fc8c80a92f9224fa72400658fe092dbdca77220dab91905ec9a94c03324ec5ef03ead1208a5b8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2