Analysis
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max time kernel
120s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 18:14
Behavioral task
behavioral1
Sample
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe
Resource
win10v2004-20241007-en
General
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Target
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe
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Size
29KB
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MD5
f8e06c1b960c7babe53ac1e765b3b4fe
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SHA1
e318957995513fdab567f88f5dca4f34841a1835
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SHA256
3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9
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SHA512
af40d3af98d6cc32c31654a43410854c7c885560a577579da25aae9a2be7ec2842e0b0590475aa0f663e9d5c8a7abfa312500eb375ad9030ab1310058bcdf9e4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/y2:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/5032-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5032-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4664 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" 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe -
resource yara_rule behavioral2/memory/5032-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023c9e-4.dat upx behavioral2/memory/4664-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4664-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4664-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4664-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5032-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4664-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000703-67.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe File opened for modification C:\Windows\java.exe 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe File created C:\Windows\java.exe 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.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 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5032 wrote to memory of 4664 5032 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 82 PID 5032 wrote to memory of 4664 5032 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 82 PID 5032 wrote to memory of 4664 5032 3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe"C:\Users\Admin\AppData\Local\Temp\3c8e1ebe025c194ebfb474ab648e65018f3825668e59b3980a8d7998efb590c9.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032 -
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:4664
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5ca55758cbaba6b44fbc1997cc71594ce
SHA1748c4c835316c16ac6494f9d04e96ac469efd746
SHA256dd6fe024e018a426e386427d71144dff6f6f4fa7fd4d2973a7a96ed1664f1414
SHA512d3a41ab6fdbcc0c0d7c17c90ffe101eb56fb5c77875baeba0e9ac14f2e0dfa63831a29058023d15df7a8fc85b97d3425f06f168655258ceb8b9aaafe65fea07c
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Filesize
320B
MD54abd326f1161a451889bdbea06bb52bb
SHA1b9719bd5bde432e8038c96928f48554c9c898065
SHA256e377e36ecf86dc9bc950b856252565e373f9da4efd8bd0ba20462ad11176d133
SHA512817d126e138b1cad2d6caf235a8124bde5421808c3dc42af68920e84d6e29d77ed32c7e1bb47bee7719f3c18c46932b5a9d97a0c94e8cb54c84d5c1857c3e9e1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2