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
07-12-2024 20:59
Behavioral task
behavioral1
Sample
5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe
Resource
win10v2004-20241007-en
General
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Target
5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe
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Size
29KB
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MD5
eaa9c12147870a2458289acd0a0a7860
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SHA1
5461e7b0e2a9808b8c4ffec5c64b4a1e8a83f568
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SHA256
5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8f
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SHA512
cb1f67d0f0c3838e19afc6e09c5f6573606a225f33178538ba907f84743587a925e7e1340ae18841c828b76740f6318b072ea756b0a466a9c1936ae0a39b2034
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/5:AEwVs+0jNDY1qi/qR
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/1968-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1968-41-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1968-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1968-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1968-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1968-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1968-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2116 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" 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1968-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1968-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x00080000000160ae-7.dat upx behavioral1/memory/2116-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1968-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1968-41-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1968-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-54.dat upx behavioral1/memory/1968-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1968-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1968-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1968-73-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe File created C:\Windows\java.exe 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe File created C:\Windows\services.exe 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.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 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1968 wrote to memory of 2116 1968 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe 30 PID 1968 wrote to memory of 2116 1968 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe 30 PID 1968 wrote to memory of 2116 1968 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe 30 PID 1968 wrote to memory of 2116 1968 5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe"C:\Users\Admin\AppData\Local\Temp\5203c0b9196b3c1c200e04261a7eadcf7a2876fa1424e3b8375467571e2aaf8fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
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:2116
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD52c454fc5a953f5203975616c3b0031bd
SHA1d3bc31723b55b71bf2d1d3361801f1207da478d1
SHA25616015cdc54395d6921f6123a4ede3764302667cc69e053c220c166dd9cac4350
SHA51252512a2bba4be5b0e6a45e583bcc3a780f836692be7ba8f691845e8487227fa9614a9f39239e6d87fc1ac20f0660e6755b2ab84ecf9249ba1bde92abe49ffaf7
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Filesize
352B
MD56618f14ec7de9ee3f176d8f16a0648c1
SHA187da1bcbc0e6d11896b030e31d0f29263e5fa237
SHA2560d55e099c69dd5b128335b01996d8f7aa39a64840f242d49f4e6d7b5f754e505
SHA51265d6318226b3ecb75677db80be68566b3b7ea4b1a6723f5cf88c5ed104554223c420eea2e763acec2a7a0a31020e9abaf4de30b032f445aeb560fabb41ffe956
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2