Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 09:16
Behavioral task
behavioral1
Sample
8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe
Resource
win10v2004-20241007-en
General
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Target
8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe
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Size
29KB
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MD5
8d7810cf6c4fed7b6e5c04c272ab35f6
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SHA1
ea04e4ff3f7fdec4b44d0b317257ad0dd6cf2ea7
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SHA256
8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571
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SHA512
df3aa195de1e77234cb9a4975b3bf1e490f54df8c1ae84b89fef0d121240984103a0d044da25460c935cdef18d8bd879e325da9aa760e07fb786b35c49b993e1
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/fuI:AEwVs+0jNDY1qi/qF
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2380-3-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2380-9-0x0000000000220000-0x0000000000228000-memory.dmp family_mydoom behavioral1/memory/2380-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2064 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" 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2380-3-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2380-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0009000000016c23-7.dat upx behavioral1/memory/2380-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2380-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-60-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe File opened for modification C:\Windows\java.exe 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe File created C:\Windows\java.exe 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.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 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2064 2380 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe 30 PID 2380 wrote to memory of 2064 2380 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe 30 PID 2380 wrote to memory of 2064 2380 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe 30 PID 2380 wrote to memory of 2064 2380 8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe"C:\Users\Admin\AppData\Local\Temp\8f90c693697e398be1d428a8d3fecb8404d8c72f89ea8348fd1e4ef78cc7c571.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380 -
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:2064
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2