Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 11:45
Behavioral task
behavioral1
Sample
5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe
Resource
win10v2004-20241007-en
General
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Target
5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe
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Size
29KB
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MD5
fb0dfd15aae30edf3da6f15c93a4f030
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SHA1
4409eae6358d547e2cb097c5683786c1430dc6c4
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SHA256
5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7
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SHA512
ea3d1668774a8eb4c9694789500e2f2de884bac578ad6a5694ba362b1fbc2e5d2154567861853eed9c6d03ebc417d7d09b8d2afc06d175db78c2f1e566310402
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ThA:AEwVs+0jNDY1qi/q7y
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2328-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2328-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2328-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2916 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" 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2328-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2328-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00080000000170f8-8.dat upx behavioral1/memory/2916-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2328-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2916-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2916-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2328-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2916-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0003000000018334-69.dat upx behavioral1/memory/2328-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2916-75-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe File created C:\Windows\services.exe 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe File opened for modification C:\Windows\java.exe 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.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 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2916 2328 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe 29 PID 2328 wrote to memory of 2916 2328 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe 29 PID 2328 wrote to memory of 2916 2328 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe 29 PID 2328 wrote to memory of 2916 2328 5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe"C:\Users\Admin\AppData\Local\Temp\5d44366bc35b2f32687cddc9c6ef5fcd95ed1f7cf3f5a2f184698ea829db57a7N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328 -
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:2916
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5375228c372208f6c513ecbb34871c727
SHA1817686ba320a04c2a688a35d3e9169036cf0b3e2
SHA256fa53e22854f8b2de8829c20925bfd21c3e7ff7de01906407d1092db63bf99ae1
SHA512b9dd447d673c90b3113c006c905fdde27d02cb6280a83eec2597422a80668f1c3dab87f25062a7ca544e32c49830bae8529259ef29feb3d1876b84933930c94f
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Filesize
320B
MD5e22ea238e2a9741ec867ec8e8347336f
SHA121cfa2c313145d2faa0d401e106afdc457310448
SHA256c17eabeab45551ff8ef292845108088cf2a9954aeae28200947792884f4b0e73
SHA5126e7b8321f9d73e8f0d7de4e74fdaaa5e3ad1fd9d755349d5bed32888f558b21642743f13b14525748dade4abf9e607863d3d5e62dd271e1078aea2a239e24eb7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2