Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 22:57
Behavioral task
behavioral1
Sample
4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe
Resource
win10v2004-20241007-en
General
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Target
4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe
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Size
29KB
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MD5
23d2fb068152fa97675935c411d4b4df
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SHA1
c7190799db7d337ad8dabfa2168205e599cb9d8f
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SHA256
4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26
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SHA512
088aad1bca934c01a55ad45816870aa871fa13a37096ebadf160f841acdd5add62cb9ce77c4160df9e8699bee967d02d9a3e10be11ad43d14b9889ad314f43e6
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/5hQ:AEwVs+0jNDY1qi/qhm
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2948-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2948-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2948-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2948-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2948-89-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3020 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" 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2948-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2948-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016eca-9.dat upx behavioral1/memory/3020-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2948-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3020-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2948-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0004000000013d08-72.dat upx behavioral1/memory/3020-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2948-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2948-87-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3020-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3020-90-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2948-89-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3020-95-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe File created C:\Windows\services.exe 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe File opened for modification C:\Windows\java.exe 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.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 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2948 wrote to memory of 3020 2948 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe 31 PID 2948 wrote to memory of 3020 2948 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe 31 PID 2948 wrote to memory of 3020 2948 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe 31 PID 2948 wrote to memory of 3020 2948 4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe"C:\Users\Admin\AppData\Local\Temp\4fa099c1f3f7108387f3bba95fe9659aecbde7715accad34e0d4abbfe4e3da26.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948 -
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:3020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD50841a4d41ee21962cd1a07f652654b8c
SHA18bf6b65bd35004ebab63a2d8ce90a0a19d00d388
SHA256366827ae86a5fdeafa9eaaa6caeb539ebb8502eab130a5d23aafdd965b6829a1
SHA512e915872c16b85517992835433f6ba0bcb4175e3233596f57399ee358b0608712ccaa2d33328620f321059764acf18d23899c3a048312e7374bb797ebf66dedcf
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Filesize
320B
MD53d048e3aee76bd61e01edf442ff7f45a
SHA181e34ada4ebcf8a75e196d41d0882c0a52afa830
SHA256cc42dbd3763bb0f4c043ca52f684ebdb98c2cb808148944d36d01533b13da724
SHA5128d493bc217d83e894de5b289a305b37add04081cb730ada27709b1c5be7fb158954dd11240de8328703bbc7fd83c8e9f19b8292b48f47f1a2dab84de1af3dbea
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2