Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24-11-2024 15:55
Behavioral task
behavioral1
Sample
33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe
Resource
win10v2004-20241007-en
General
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Target
33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe
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Size
29KB
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MD5
e2b0b8bd379e987b31cd71cdc4db7dd0
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SHA1
c6cb734ccb328ae33a62c1eb87080b5ece43bf7d
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SHA256
33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4b
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SHA512
abe70afcb525b25fa53f609f53e8ea5032c936073121d5929217a51e0dfd69f6065241f868361035485f8cbccae95442312c2e6d819d0567194d41acc02baf5c
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9//+:AEwVs+0jNDY1qi/qX+
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2060-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2060-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2060-52-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2060-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2060-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2384 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" 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2060-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000a000000016d64-7.dat upx behavioral1/memory/2384-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2384-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2384-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-52-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2384-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0017000000005587-66.dat upx behavioral1/memory/2384-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2060-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2060-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2384-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe File opened for modification C:\Windows\java.exe 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe File created C:\Windows\java.exe 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.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 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2384 2060 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe 30 PID 2060 wrote to memory of 2384 2060 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe 30 PID 2060 wrote to memory of 2384 2060 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe 30 PID 2060 wrote to memory of 2384 2060 33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe"C:\Users\Admin\AppData\Local\Temp\33242b88ca16998ea1ea0b42170f72114389eb21bc3becbf9fab6b4ed3b28b4bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060 -
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:2384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD58d1815dd5473eb94bdcd2969f635c219
SHA14c32bf67900e260559e5a65bd1166564e012336f
SHA25658889606ee3c8d07f614ce0aab8b361c4ac3ff2657af876a4f2ce6815bed0019
SHA5122d5d055db1ed3e9867a2231279e2c9e49cd5a9b55bdef91dd3c5cc2d2b266f29d78bdac57cfa3301d389fd499209a1c0ad486b37e7ae552642900f72f634720d
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Filesize
384B
MD530a260b160b201c387d6b20611f8fba8
SHA1ee3868729336bb704ccd29847472d340ced64fcd
SHA256c569217cf3b7694731b21f0eb78d3e9e3c99dd81d78b0ed02b8895718c7b85bb
SHA512ad37e713b017435f0d4f39b711e9f68998899d912c911652bb3434ff623bdf9f8be5a232046261f026e409609ea42a39be75b1c7933ad0c93cbb8162cdaedbaf
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2