Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-01-2025 08:02
Behavioral task
behavioral1
Sample
c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe
Resource
win10v2004-20241007-en
General
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Target
c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe
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Size
29KB
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MD5
e0e1ff0369712473292d40c045c5dc1e
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SHA1
8f8d943393e3bde1b62ab9b85cb3c72f25fcc5c7
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SHA256
c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c
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SHA512
a69819b441ba1ea1fc068dcdf8756147513f4356fa7ca1e5b77d3058d04505b13605ef49c949b8898898fb0357af487cce5436f3665bc722fbf8da02f42aca8b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Fy:AEwVs+0jNDY1qi/qs
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2164-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2164-9-0x00000000001B0000-0x00000000001B8000-memory.dmp family_mydoom behavioral1/memory/2164-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2164-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1396 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe -
resource yara_rule behavioral1/memory/2164-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/memory/2164-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016276-7.dat upx behavioral1/memory/2164-9-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/memory/1396-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2164-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1396-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1396-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2164-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1396-61-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe File opened for modification C:\Windows\java.exe c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe File created C:\Windows\java.exe c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.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 c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2164 wrote to memory of 1396 2164 c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe 30 PID 2164 wrote to memory of 1396 2164 c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe 30 PID 2164 wrote to memory of 1396 2164 c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe 30 PID 2164 wrote to memory of 1396 2164 c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe"C:\Users\Admin\AppData\Local\Temp\c7140aec612fa34c18138d7c9047a54dc32732837ef7837a98bf536e428ee72c.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2164 -
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:1396
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2