Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 00:51
Behavioral task
behavioral1
Sample
5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe
Resource
win10v2004-20241007-en
General
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Target
5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe
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Size
29KB
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MD5
dda8e8536d460090b25d3b23562da860
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SHA1
e268e544e1b661c460ad487f86040085ad68d418
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SHA256
5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095
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SHA512
d24a9c26a6faacd439f1bd0dae61260ee54f19dcdf5a5c966422d3b6090c1982d95d0f987c6f7a7e23ad13dab423c10af30bd0b4001a6ccaf8dc2212a12f584b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Q:AEwVs+0jNDY1qi/qI
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2100-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2540 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" 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2100-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2100-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0009000000018bf3-7.dat upx behavioral1/memory/2540-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-9-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2540-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-54.dat upx behavioral1/memory/2100-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2540-74-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe File created C:\Windows\services.exe 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe File opened for modification C:\Windows\java.exe 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.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 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2540 2100 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe 30 PID 2100 wrote to memory of 2540 2100 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe 30 PID 2100 wrote to memory of 2540 2100 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe 30 PID 2100 wrote to memory of 2540 2100 5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe"C:\Users\Admin\AppData\Local\Temp\5ccffc60e39923d16ba734f0bd4da6c2ab6fcc8b9df3d8f119c6a3b817bb7095N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
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:2540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5545f8cb787cb67f382a54bdab312cee1
SHA15351c307c13fd0431b0139bd171fb55f3ab373c2
SHA256608fe81ab7f922e247e738cdbff22f33b778332b7c4ad40038e584b61a1e13e8
SHA512ea400ec14465e3fc3ca9d1ac7dd14e3024cfccdc52f063bd9093c7aae7480c7092831dd9bba72f97ee87b764209930abe57345fc24c5ffdb40a5cbc902116293
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Filesize
352B
MD51437b85b8b395e152471b78aacb1be86
SHA1730c92cb75b1db7d52284fc713ef7e6a145c93b9
SHA256a8813d7195c41edad9fb6c521ca92016c3ad49cb4ffc26209a04fcce43888454
SHA51232be2d871a41cc0b529b8a00dc77e1c29510f5ad16106bf3f168cf82768215c6d973df4e48c4e862aeb089a94c940aac20dad34bf44aa9294b02eec53d1391d0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2