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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/12/2024, 20:16
Behavioral task
behavioral1
Sample
e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe
Resource
win10v2004-20241007-en
General
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Target
e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe
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Size
29KB
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MD5
89e922412b869825e717efb34b64f74b
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SHA1
4b9eac4d3a713112ae2c07c2acd3742726e1ff9e
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SHA256
e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3
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SHA512
9ed894cc9ffe4001c620d40bcd3f851eaf3680ba903a1e09d6b604d609443e7f9a433eb7cf5a62d8c0bfdcbd5a56a3a4a20868977af9c0d4e9cdcfc9349e8f35
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/QhD:AEwVs+0jNDY1qi/qIR
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2372-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2364 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" e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe -
resource yara_rule behavioral1/memory/2372-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2372-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d0e-9.dat upx behavioral1/memory/2364-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2364-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2364-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2364-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-59.dat upx behavioral1/memory/2372-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2364-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2364-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2364-80-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe File created C:\Windows\services.exe e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe File opened for modification C:\Windows\java.exe e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.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 e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2364 2372 e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe 30 PID 2372 wrote to memory of 2364 2372 e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe 30 PID 2372 wrote to memory of 2364 2372 e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe 30 PID 2372 wrote to memory of 2364 2372 e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe"C:\Users\Admin\AppData\Local\Temp\e1c3f0bc84ebd0a0f375ed66266c10cd5e05c48bda2a6324f76ccb03b9df53d3.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
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:2364
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD52376ff9f63ccefe143f36eda966b591e
SHA10572288d4dbf077524185aa32f02ec611454c8f0
SHA256063274b90b0d72ecc348b12469a718c656c0c724f3725c4fe385b06f605ad8dd
SHA512176ada5e69869e94b1ed6fca8ccefcad2eb39229aca91e44031be32e3aee49981b426e330dcc668bf068bb64545e1d2b511b80270832fd562d0482b7adcefb69
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Filesize
320B
MD5498f3343fcc17b8f2e7a2b794ea65ae6
SHA19095cc89a3879236f1e52d34cf48b79ec5b98a59
SHA256a87966d6b40bb867f4b1aea591a15763b08d1260ce0958bcdf977aaa1d28c840
SHA512ba5f5390246db1101d61cee631485cad8271dcfd5b4a7e4f922116e55846f5ff9345db11aa2bd9a40ebab061b10430f38606a88e91ae5900ba8f096606cc0114
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2