Analysis
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max time kernel
120s -
max time network
114s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 14:06
Behavioral task
behavioral1
Sample
7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe
Resource
win10v2004-20241007-en
General
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Target
7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe
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Size
29KB
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MD5
ba2a82800edae64852140b89c3efde60
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SHA1
30381d16ed024f5f3cf7741d21afe76769ad55ad
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SHA256
7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258
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SHA512
561d513cdc9b64234a4ce3e056d50281f8c104511f695d4527372337fe292c8e9492274a3506cb701028b50cea6fc6b4903804af479480a0507c452f91243b39
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ch3:AEwVs+0jNDY1qi/qaV
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2332-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2332-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2332-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2332-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2332-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2532 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" 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2332-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2332-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016c4e-7.dat upx behavioral1/memory/2332-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2532-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2332-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2532-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-56.dat upx behavioral1/memory/2332-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2532-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2332-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2532-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2332-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2532-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2532-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe File created C:\Windows\java.exe 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe File created C:\Windows\services.exe 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.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 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2332 wrote to memory of 2532 2332 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe 31 PID 2332 wrote to memory of 2532 2332 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe 31 PID 2332 wrote to memory of 2532 2332 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe 31 PID 2332 wrote to memory of 2532 2332 7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe"C:\Users\Admin\AppData\Local\Temp\7c7ab7581d689e211a5e9d7826bd174c36d9e1a718f5ca11ed62bccea97a4258N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332 -
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:2532
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5de4ebee6687adc478c3324f144b7f6e6
SHA171533ea8eff44bf2af7b206e08df5ce0151f50dc
SHA2567bf04b48fcf02f2da1e91f5134c4afd891f94e0becf1feca18621a24cf0a34f5
SHA5123104b5ed8158b4fa49e4c0706fd030767cf9d4abfd6bb8bdd956db973355859cbb3c7bf82a980e20065509c7a713dc52bb271161d0c53f181b51d9c7d335554b
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Filesize
320B
MD5909a92cf6ff82296e8c8543920966e34
SHA143da94252f5f63b4d29f493d490b3fb1c0d1da0d
SHA2569631cd2fa23ecdc3a2ac27dd0fbf27939df4a477c35f065c07f7b77964e77c77
SHA512c5c50a9c8b5fad5bf7686d64aa5e92fd161d76102c1fa8d7b32f92b75bb81c839b6c78d92cdcfce786d8351ab38e20dc7ea8cc91409ab2b89362fe8ed02c633b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2