Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 10:45
Behavioral task
behavioral1
Sample
5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe
Resource
win10v2004-20241007-en
General
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Target
5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe
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Size
29KB
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MD5
97ca5515aea18395177947fafc2f6d30
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SHA1
fb0eefd50922209af14f0785319594ca5751bcff
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SHA256
5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3
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SHA512
9cfc2eb41edffb7475db64ba92421e24acee14bfa1f3880a6f45afd0ff7a11d1d551b213b40ba9e4fec3f33d50b1b5e046bcb34f2314f9f449f96cb18adddf11
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/dhp:AEwVs+0jNDY1qi/q1T
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/2988-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2988-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2988-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1968 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" 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe -
resource yara_rule behavioral2/memory/2988-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023bb3-4.dat upx behavioral2/memory/1968-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2988-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1968-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1968-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2988-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1968-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2988-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1968-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-70.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe File created C:\Windows\services.exe 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe File opened for modification C:\Windows\java.exe 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.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 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2988 wrote to memory of 1968 2988 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe 82 PID 2988 wrote to memory of 1968 2988 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe 82 PID 2988 wrote to memory of 1968 2988 5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe"C:\Users\Admin\AppData\Local\Temp\5d76e2f48c11e64df71cc90a6a170f333259e306822b32f65709ad25085a30d3N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988 -
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:1968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5f2a0c7255b9cf2e0dca52541503d28f1
SHA13f3e46fd441803ffc0fba4662d33f72530fbf4ec
SHA256a2662ced2d475b8ef228f02ebbc8f76fe5763e874255799541da76811381c022
SHA512c3c7f5c51cdba8abf1acde97daeaae2650a1aca789cc96cfe9e22ed8e879394e67b416f7ff545d39010a9abda83416e006db7978db5929b91f77f2b07145f6c0
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Filesize
320B
MD5060cfdaefc3a797ec303c9eb0e2ce31a
SHA17d477d48ff872ad2753499e7bf51c0ef1f90627a
SHA25666bc8c974f970b3c2fad45adcfab6695128d3cff8dc0c64dfa7a7c609697c96c
SHA512f40487275e16c3d9d60d10858e4a430f0dab965ed78d894d52897f32e4a510e012797a91f0cfab2bab94553f1e74a3c2e53ae8cf02717854717893677e15c559
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2