Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-01-2025 00:39
Behavioral task
behavioral1
Sample
550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe
Resource
win10v2004-20241007-en
General
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Target
550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe
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Size
29KB
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MD5
5cea7f1cf48c94870c4eda0d26124a39
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SHA1
20a73b452088558ed49450dca40705aba1dba6b5
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SHA256
550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087
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SHA512
547551f542bb6ed6512521caa291c3dc7ed5f0e8f92ada254a38bda76349d4d7cf7c12d812f62ac0293a8fdd26522e7cc8ed6588139eac9c3683042f2106700a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/0m:AEwVs+0jNDY1qi/qb
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2020-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2020-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2020-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2020-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2020-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2020-85-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 996 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" 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2020-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2020-4-0x0000000000280000-0x0000000000288000-memory.dmp upx behavioral1/files/0x0008000000016ab9-7.dat upx behavioral1/memory/996-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2020-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/996-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2020-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/996-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-64.dat upx behavioral1/memory/996-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2020-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/996-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2020-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/996-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2020-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/996-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/996-86-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2020-85-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe File opened for modification C:\Windows\java.exe 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe File created C:\Windows\java.exe 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.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 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2020 wrote to memory of 996 2020 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe 30 PID 2020 wrote to memory of 996 2020 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe 30 PID 2020 wrote to memory of 996 2020 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe 30 PID 2020 wrote to memory of 996 2020 550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe"C:\Users\Admin\AppData\Local\Temp\550d105a362652ae2aaa4c0d63b95898998f4967f1c7340b798f95a6ae950087.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020 -
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:996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD55c447431425fc1555cedb51c0c3d7d15
SHA10abf465223dd0a3f627b77c6d717e0f5b1e1760e
SHA2567244306b2eedf02f6bd68e5bb61ec0cfc3beb455d163bb1394dc6410d20d5648
SHA512ecc1c6fc92aec77b79663db34d290c86f1e48acb7691d8f0fcc13a9f8370deaa587e501633cec5a916399df2fea262395b23ce053faa0b7e2a4d9f34aab28a23
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Filesize
384B
MD579f15efd9f9961598f8c9f93b28d28ff
SHA12931a85a8f1dee43ee14217b9fbacc4284cf4822
SHA256f9a6c6fe3d912e0d7803fe1dfacae219e6889b48157d827d5f5c71132b198c6d
SHA512986592991927b60ddc87491fa3a1e67fd6650f133a20d707ae1921d3f33583d6970f22873337a94fd33d5b9189ecc5b18c2c4b0a91653474891c0111534ea6e0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2