Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-01-2025 12:31
Behavioral task
behavioral1
Sample
f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
Resource
win10v2004-20241007-en
General
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Target
f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe
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Size
29KB
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MD5
d5eae6ef0f9f3882f10098b35a4008c0
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SHA1
44766bc47ec1474260d0a6b1350279d3ee6da9cb
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SHA256
f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722
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SHA512
a6377d2337398120ae18df34c58e0ac0a5427accf090d1f3c31999ad235684a170ff325371c6aef402975671c2437a2db9e8a1c0fd56122de500ea3459619ce2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Bl:AEwVs+0jNDY1qi/q5l
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/296-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/296-41-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/296-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/296-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/296-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/296-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/296-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2692 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" f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/296-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/296-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016ea4-7.dat upx behavioral1/memory/296-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2692-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-41-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x002e000000016dbe-53.dat upx behavioral1/memory/2692-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/296-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe File opened for modification C:\Windows\java.exe f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe File created C:\Windows\java.exe f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.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 f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 296 wrote to memory of 2692 296 f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe 30 PID 296 wrote to memory of 2692 296 f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe 30 PID 296 wrote to memory of 2692 296 f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe 30 PID 296 wrote to memory of 2692 296 f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe"C:\Users\Admin\AppData\Local\Temp\f9a6769df70f071a72debc630d151fb16bcb8e86dae50323fd6681b1f19d0722N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:296 -
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:2692
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD504e9c8fe54ef4be57bad77ffe5218c77
SHA1590ff65b27ff908ebfa18a1f95cb505c5e7f27fc
SHA2567d6e2a3bd6d6e82b92eff84c9cb73a849428bf9112b7c2cfb113bfc4ce0741c7
SHA512656a99c7bcafe3130f8c0a435a674639c5b34a14333acdbcef54d943c8ae7a9d8b5df195a36c245eefb3f9fd4928e676684a944ea7441e72bab5e671fec268dc
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Filesize
320B
MD5cda916d6a14501822b7831c00b766928
SHA1bd4d22d4d9f7721d4f62d717b3d328dc25c051a5
SHA256d4074dee583b2026b816ee03bda179b390b5064bb999ec874c92fc4c58c2ea83
SHA512235bb68e319c18d9e8086d2bda453b2a05676ae23f2b3625afa33907236a4a43bce96c8d18bb95dd1b215f5fa43ae5195bbc0ac39e459bcecfb4d249e82083c0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2