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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
18/10/2024, 04:30
Behavioral task
behavioral1
Sample
3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
Resource
win10v2004-20241007-en
General
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Target
3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe
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Size
29KB
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MD5
b53348fd6fa7655cc5d2df5564490b60
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SHA1
a82bee89ac7c683d727416777eb7bb6d7aedaa6c
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SHA256
3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5e
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SHA512
d86dfc933d8bc8304726913c6f40d59902299637a5c96215a5bf38a2ef61f70b028171efc041afe85b1e6fc954dea6fb582e88a47a31bc625ad62e12d9c055a2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/is:AEwVs+0jNDY1qi/qD
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2536-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2536-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2536-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2536-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2536-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 1708 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" 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2536-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2536-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d42-7.dat upx behavioral1/memory/2536-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1708-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1708-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-51.dat upx behavioral1/memory/2536-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1708-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1708-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2536-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1708-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1708-70-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe File created C:\Windows\java.exe 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe File created C:\Windows\services.exe 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.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 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2536 wrote to memory of 1708 2536 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe 28 PID 2536 wrote to memory of 1708 2536 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe 28 PID 2536 wrote to memory of 1708 2536 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe 28 PID 2536 wrote to memory of 1708 2536 3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe"C:\Users\Admin\AppData\Local\Temp\3d5623c850b75c1f5370121bc096d39bc787e00180f00d5db7405cacbfee1b5eN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
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:1708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD533495dc81e0f901e30ff2b68149ccd2e
SHA1b0f0edc08531e2abd8ff9b77742c79b58e80cc95
SHA2567565b394c2d6432ba1e93f3346cf5981f13d09cb35ad16b1305ee264bf7a9d4a
SHA512d64a25d3f1920f95c6dc29b25504bc9e2163767f69d0c308ebdee7fbc0ba558b4a579e5184a914a559e414cdf40753787678f7615531fa0876a35757490fd1f7
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Filesize
352B
MD52f4d88c935a155a06d4f3d77f664baf0
SHA1cd41def0355c14bf882242f6eaa5a8dceeaf6b3b
SHA2565ec417fa942b39b21211d6307531527a15da0e15f10efe5c154fd485a1ccb4e6
SHA5122fb46ac94b51ebf829ae1f677d9a2645b718ccf35cfda8c2ea65629a09f42829d8f605fabf9a5ed6e643f10998bca1a13e0848b672ddcd15a145d1b3ea236dc3
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2