Analysis
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max time kernel
120s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 17:03
Behavioral task
behavioral1
Sample
b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe
Resource
win10v2004-20241007-en
General
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Target
b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe
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Size
29KB
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MD5
22666bfe7718e09f2b9420ef5a7a8870
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SHA1
49be70c9cf121ebe9a25e64e5c9dfc95de8f2aa7
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SHA256
b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73
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SHA512
6eeba120f9073d1f6d5f74361bfaaf1428cdf554745fcd9f2814eb9efef65912c237404f64d82e6ddf14537bd5b2aa060b0f039b1a2399d05e88644ca29b2793
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/rC:AEwVs+0jNDY1qi/q2
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2068-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2068-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2068-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2068-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2068-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2176 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" b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2068-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0006000000019490-7.dat upx behavioral1/memory/2176-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2068-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2176-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2068-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2176-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-55.dat upx behavioral1/memory/2068-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2176-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2176-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2068-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2068-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2176-72-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe File opened for modification C:\Windows\java.exe b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe File created C:\Windows\java.exe b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.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 b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2068 wrote to memory of 2176 2068 b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe 31 PID 2068 wrote to memory of 2176 2068 b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe 31 PID 2068 wrote to memory of 2176 2068 b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe 31 PID 2068 wrote to memory of 2176 2068 b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe"C:\Users\Admin\AppData\Local\Temp\b764a0c777e697b0b0f9e8a814e0331bd732263cce6751a17fdf4f2490ab8a73.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068 -
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:2176
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD55275012c80a1b0fca4733db4923b71f3
SHA197d698b73ef7f8cbc4df345b07c9172ac6666256
SHA256a22f520e15d0c916086f26616e2684b65b6b419b30670da1fcee18017e294036
SHA51205ec14d9d8901beae94f28256b5547c1fee92c6bb5f11db1eaa63ff1859a15320070a5048565b7c6414d90b8e9c4f85b19ba8c31c4da5e3583117c3c7ee26293
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Filesize
384B
MD5a1a74d71fed043f84bf2e54c26a99b4c
SHA197899071876741db38df0dfa146343543b45a65a
SHA256b3aa0598d1778b4729514989879f2806df0b40b31d3e428f71f2645f2c8cb97c
SHA5128aa6c5e04af6a9a0c622963f9896d8977f2076435fb331c08035d032de65546e006446e884dc1eaa55ccc8e0394cbdb33e90ecab471182fbf536ba32462460ce
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2