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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
21/03/2025, 20:54
Behavioral task
behavioral1
Sample
b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe
Resource
win10v2004-20250314-en
General
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Target
b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe
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Size
29KB
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MD5
fb6c1ca5a6876cba7494d059a885f11e
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SHA1
79fadd3a1e3c9c6e2af582a52580b69bdfc49305
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SHA256
b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656
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SHA512
17168bc8f7eda110b9faffb12ceffa9deb41302dd138c45e079b4b4afb972ce6f625d0048d0c4bdf39e19df9efac5571ee4e2e352a4db556f3b0f6c8816f08d2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/L9r:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2844-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-125-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-180-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1832 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" b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2844-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000700000002427d-4.dat upx behavioral2/memory/1832-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1832-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1832-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d0000000242a7-65.dat upx behavioral2/memory/2844-125-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1832-132-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1832-167-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-180-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1832-181-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1832-185-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe File opened for modification C:\Windows\java.exe b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe File created C:\Windows\java.exe b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.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 b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2844 wrote to memory of 1832 2844 b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe 87 PID 2844 wrote to memory of 1832 2844 b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe 87 PID 2844 wrote to memory of 1832 2844 b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe"C:\Users\Admin\AppData\Local\Temp\b2bdbd9db13347d364c4de47066967584f81bfef2f94e10340d295e66fe08656.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844 -
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:1832
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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
MD560f0d87f2258da798eab1ab5a7b2ea7b
SHA14b32d40c4c3ec84cfda6260fdc4d73dd8d672838
SHA256b94a1b43c11792f6f25a6d25c661e3065e535eacb3e471bd34b6a9643a84a9dd
SHA5127bcf32a74ed8f594f33c942c36d2e4965e2cb035d5c1a6ef3f0f85c572fde19f01992fc9fd539553b2fe61173096d8f1110676bae6ffc35508c8f306fa305ff5
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Filesize
352B
MD53ed150cbc22be7f3b0e45544d11a0400
SHA114e8783f29a5ea453b8d85e4838b29e7ae443595
SHA2569352c91aaea660218a8ae6ba95b1a694f454b27f5784834d9a0d378f64a72fb8
SHA512d6d82267a8a755cb96272e2c48ab086c38cb92290205456dd5df27c07bd6dafdfd3f7294ff7c01b17cc4fbda282596c0e07093f8690d384dc2f4dcf9f2fdab88
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Filesize
352B
MD589c0903d6b33daa1c34d4bade9bd0350
SHA122ec399a28b3fd83acb8c32b8876ecf58187c9c8
SHA256de85da5373e8b1bf92524a3be4f51968f2baa4761f42114450afd6b8f41fb7a5
SHA512808cb3a935774a674cfc20d377f69d444c6c857158ecef08a511ad7fb63af7ef24b96b7a02150285160f34f74091e1ec1116536fe6264b5bd85343fbcf5b2b4d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2