Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 00:54
Behavioral task
behavioral1
Sample
94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe
Resource
win10v2004-20241007-en
General
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Target
94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe
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Size
29KB
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MD5
f248b4dae871510edfc4f74fab7ceecc
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SHA1
b9006a3298d595c6b47f9cad5d329a332da51ead
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SHA256
94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6
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SHA512
de96158c67706f1329c595a93e78db122b2c3a4d447ff93863460137ff1610df61d5334d68a70b324d547e185ccc69a7f5136cab3196edd421ccecb7e0a85a76
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8h1:AEwVs+0jNDY1qi/qkj
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2236-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2236-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2236-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2152 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" 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2236-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2236-4-0x00000000001C0000-0x00000000001C8000-memory.dmp upx behavioral1/files/0x0008000000018c26-9.dat upx behavioral1/memory/2152-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2236-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2152-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2152-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2236-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x001100000001866e-72.dat upx behavioral1/memory/2152-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2236-77-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe File opened for modification C:\Windows\java.exe 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe File created C:\Windows\java.exe 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.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 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2236 wrote to memory of 2152 2236 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe 30 PID 2236 wrote to memory of 2152 2236 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe 30 PID 2236 wrote to memory of 2152 2236 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe 30 PID 2236 wrote to memory of 2152 2236 94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe"C:\Users\Admin\AppData\Local\Temp\94dd3bdef1cbf9e803948d1a70633e149b94c3869408043fc5544a469d888cc6.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236 -
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:2152
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD549287e0de8c2eb4e05ff2d475ed55695
SHA1b6ad0e7acc985da2ab9777d0d22eb7134bb26354
SHA256825cc8fe88353a95301d4668acfeee68010350eb37d498dc4f35f780423e72dd
SHA51238c95f1c06950737911328b8f4ac180fefa6ffe37b0a0aa8d7ab46de7dc4eb96f4e2ba50f67df6ddb1b0f8617d11f750e51d36580b5b554bbef617b162aa4238
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Filesize
320B
MD57dd9abc55b66d8b374037165eaa8a529
SHA1d85dd1b9303fb9d76689a9ae4051f8e64abdb2e9
SHA25600a366fcafe10a46a4efa751868dfd0b9796b4dcfbe44d8856035de2e72c24d8
SHA5129592fae8deb798ccb0461d2dbee2fec964e130da3637c8b1bb184ce5173e6bee76810358a03136a6a89cb7b150e71215b2207e4e1f32794213c33c601c7e64d5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2