Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 12:33
Behavioral task
behavioral1
Sample
6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe
Resource
win10v2004-20241007-en
General
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Target
6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe
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Size
29KB
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MD5
738f5ab6374dca1fc33a5c7ca48e1bf0
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SHA1
14746a89e20aa1c2dd1387f03ea8d738305373f9
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SHA256
6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422f
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SHA512
cbf9c697e9ce0f2919a9a832d3abcad1e70cbe391b0b76d6e77940285de62a0b32e6c167c271a95da2c8b899a42126e34c628676c51f6d25166f2cc2e1239944
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Eh:AEwVs+0jNDY1qi/qsh
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/1968-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-137-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1968-149-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 652 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" 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1968-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023cb5-4.dat upx behavioral2/memory/652-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/652-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/652-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/652-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0002000000021f4b-50.dat upx behavioral2/memory/1968-137-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/652-138-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/652-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/652-145-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-149-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe File opened for modification C:\Windows\java.exe 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe File created C:\Windows\java.exe 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.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 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1968 wrote to memory of 652 1968 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe 83 PID 1968 wrote to memory of 652 1968 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe 83 PID 1968 wrote to memory of 652 1968 6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe"C:\Users\Admin\AppData\Local\Temp\6120d996358459d175b91a02d0a1b7a844ab3f00c2bf79fba8e7bb4e99af422fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
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:652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD59bd72bebd8ceee731aa5f8c0f8c84d2a
SHA1b7a9a0c1445a5b59249b4f862d4f9d50cb026f1b
SHA256c5e0b46444eee140613936da0cc9d1ddc0682f8426a817c0ea65eb16c9fa1870
SHA51286f979ea68cd75b1d049db9bb24ce7ee3709be6ebbc75a4193b571fd75373250878ef3f9fb7339026ece62d3059939499901990dafd46221604254e408c1ef75
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Filesize
352B
MD522c36cb9bfd0dbd520a493145aedf227
SHA112a9cb2819d173d5977cbef7ca4618cb45746733
SHA2560288fc78e6e7f69d32e66903ccd880057b72a5f43a45a7b1f4e57c7738b6c6c0
SHA512f9b19cfd3d9824f05f5386c1a2abe462a40d2f1bc3653655cd857c3225b8c22a5ea8d0e4820278f8b565ddeca411af914d3cb4188911915c8dde6373949d1ff8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2