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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23/10/2024, 12:13
Behavioral task
behavioral1
Sample
ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe
Resource
win10v2004-20241007-en
General
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Target
ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe
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Size
29KB
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MD5
889afd92489b514345683d895a960340
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SHA1
3c16964a0ebebe5c1e4859fce2295eabc4baea27
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SHA256
ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1
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SHA512
e628dee36b443be2632c72426ceefb80977cd409f2702c6083aa5d39c2180056a5a75dc7de7b2e24d625476059dd77699dabf08de718d8053ece211dfa89c0b9
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/h:AEwVs+0jNDY1qi/qZ
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/1444-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1444-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1444-17-0x0000000000220000-0x0000000000228000-memory.dmp family_mydoom behavioral1/memory/1444-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1444-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1444-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2748 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" ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1444-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1444-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x00080000000174cc-7.dat upx behavioral1/memory/2748-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1444-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1444-17-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2748-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2748-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1444-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2748-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x003a0000000173a9-64.dat upx behavioral1/memory/1444-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2748-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1444-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2748-80-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe File opened for modification C:\Windows\java.exe ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe File created C:\Windows\java.exe ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.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 ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1444 wrote to memory of 2748 1444 ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe 30 PID 1444 wrote to memory of 2748 1444 ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe 30 PID 1444 wrote to memory of 2748 1444 ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe 30 PID 1444 wrote to memory of 2748 1444 ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe"C:\Users\Admin\AppData\Local\Temp\ecee402cbd6484161b33f69f916d8344ef55967b9ff95fcfbb29d37c44c96bd1N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444 -
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:2748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD564623885b4073224f635f9bd2ebbe490
SHA11de9ff01efd69395a4b42ec309c36ce55ef0cbf7
SHA2562e29f7dc5b4672d890ef994aef25ce007bf451cb98581737b4bf264fd4bf2100
SHA51278d5b7a933fddcac1e6c3e538067c6e07a72ffdf3c53d07ef54906fd5ed45ea43d11f2b65ec20026aa565ccaabc00389ce20b085fca63bb803270789821b1a0c
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Filesize
352B
MD5a9b8bdeca2d6c1754b53ee8d7dfc79b4
SHA1d716e296bd655119a98633fad1fc4bd6ace9f405
SHA2562511e8285c1faa960f60153270b8417451f2dbfdca6154eaaa94a22a0a34d1e0
SHA51203596b11837cd7cce5fba046cc52390c19d8bfefd4c4a2cd1eaabfde1ef1cf5a1f1a33737985153691ad7818df7eaab440b98e7b2b2c0ed04bd332bbfc0bcde5
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Filesize
320B
MD56f19fc00d7620aa6e9dd2fe653004934
SHA154883c538ad004744081741eac8acffce690790e
SHA25616721482cc8d5f7cee03462570da654a0df7f47cc7a5330cb47ebbeb73a196de
SHA5123330fa947abec9dbf75b17e52c56a176ba0597ef3fb9641eb5b0587bc7c86ec38f70a213f7b7d6fa00e0ffe53e986d716782827ec957bc3a16415492058abfa1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2