Analysis
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max time kernel
120s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-01-2025 22:30
Behavioral task
behavioral1
Sample
cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe
Resource
win10v2004-20241007-en
General
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Target
cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe
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Size
28KB
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MD5
78e96afd510cb545067906f40abd6ac0
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SHA1
4ffe135abf472e40c2d5f6ca38775b1bb559d72c
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SHA256
cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdeb
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SHA512
7d1b9fb02b0432096ab577bd4efb00e8417d3f1b51e4cef9a2ebb704d278e0eb7901f58cf3a659a1b6d68a9b13d3dd5fdc71dbf732f83857703d8728bd49640f
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNu:Dv8IRRdsxq1DjJcqfl
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1796-15-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1796-42-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1796-68-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1796-70-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1796-75-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2484 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe -
resource yara_rule behavioral1/memory/1796-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1796-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000800000001739a-8.dat upx behavioral1/memory/1796-15-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2484-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1796-42-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2484-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-58.dat upx behavioral1/memory/2484-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1796-68-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2484-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1796-70-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2484-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1796-75-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe File opened for modification C:\Windows\java.exe cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe File created C:\Windows\java.exe cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.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 cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1796 wrote to memory of 2484 1796 cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe 30 PID 1796 wrote to memory of 2484 1796 cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe 30 PID 1796 wrote to memory of 2484 1796 cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe 30 PID 1796 wrote to memory of 2484 1796 cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe"C:\Users\Admin\AppData\Local\Temp\cd74e5c5f6071a431c775ffa8424fdacd9e8c6b62e0de28a0c0a33f469e4bdebN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1796 -
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:2484
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5b40ae38d0699f81272b51d6051ebd749
SHA10a24227a8ce39544d7e8517f6d7feedc07508fa3
SHA2566913856f74fa33260309ce521cf9cfda38137005b81e05cf6e62cbf6601bbe00
SHA5121ef09d49b95c426c9d597a6114a019eff324c3b815f6004ff18c428f1c8363781fbb3f51053ccc74aea78e57adbec4343ebc70edcaf448bb036b76f8bfd8b0c1
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Filesize
1KB
MD5b256496d60f50d9f8da46f1dd68e892c
SHA1f3300bb8b5e63df71483ca75524ed415d939e219
SHA256bd986a312c2d2de39d8ebf25341cf1b5ef92bd7265e3eb7bd03f89728a6e4aed
SHA51219e3afb5d97f3e0b272538562da5643e849678895002938968cabb812041adcf3483e1865dbb7c9aec485484bc3f8ccf0d596f333fbf6f9a62cd1290ded6511f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2