Analysis
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max time kernel
120s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 00:48
Behavioral task
behavioral1
Sample
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe
Resource
win10v2004-20241007-en
General
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Target
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe
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Size
29KB
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MD5
5e78c55bb5ccf78a32d8f2fb72036390
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SHA1
e4d6778817d7004d347fffb9376ce9fa7c65c86e
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SHA256
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6
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SHA512
e7d056f25fd213352010f8f6f6291822b1b30948b4d75d52867a0e43ae359afa216df60aa8a5330dd50112d3edb8e0b6cb52adfb498e3e12f5498b4d7628fb5b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Wu3R:AEwVs+0jNDY1qi/q3
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3984-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3984-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 1052 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral2/memory/3984-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023c9c-4.dat upx behavioral2/memory/1052-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3984-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1052-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1052-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3984-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1052-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
Processes:
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exedescription ioc Process File created C:\Windows\java.exe aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe File created C:\Windows\services.exe aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe File opened for modification C:\Windows\java.exe aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.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.
Processes:
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exeservices.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exedescription pid Process procid_target PID 3984 wrote to memory of 1052 3984 aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe 83 PID 3984 wrote to memory of 1052 3984 aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe 83 PID 3984 wrote to memory of 1052 3984 aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe"C:\Users\Admin\AppData\Local\Temp\aef99db2e4b90af112a03aeb4657bc345863126390f4431a6648363d742ff2c6N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3984 -
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:1052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2