Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2024 01:01
Behavioral task
behavioral1
Sample
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe
Resource
win10v2004-20241007-en
General
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Target
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe
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Size
29KB
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MD5
1087834e111d4c9d36bab9bb21b89355
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SHA1
2a28023f3ca371e847053bf0c671f03fb43b16e7
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SHA256
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1
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SHA512
80bbec0a07f1646bbd206d725beadd192566d251b93804cc8d6769ac10c8d43c70f6e411b6bb9cee4d16c51e91c95389e8a8305f828948ee3e191f9054a113b4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/uO:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/5056-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5056-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5056-115-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5056-179-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5056-181-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2060 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" 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/5056-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023ca3-4.dat upx behavioral2/memory/2060-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2060-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2060-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-68.dat upx behavioral2/memory/5056-115-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2060-118-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-179-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2060-180-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-181-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2060-182-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2060-186-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe File created C:\Windows\services.exe 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe File opened for modification C:\Windows\java.exe 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.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 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5056 wrote to memory of 2060 5056 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 83 PID 5056 wrote to memory of 2060 5056 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 83 PID 5056 wrote to memory of 2060 5056 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe"C:\Users\Admin\AppData\Local\Temp\83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056 -
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:2060
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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
320B
MD503a506e87d147614ff83549df28e60d7
SHA112abb280bf52e3fe01b097fc63545d2c8cd93424
SHA256a7a66906595b055bb238805b845f0a4841a808c49aa2e9d816155be80526ecc3
SHA51211f192101de472a8acec6ce9bbab326ec1601b5f8c1cb1ab80bc8f1fc8efa8828d6abc95ca1a913d70a025d08bc8ca02fb7a6002befe24a2aad031ffe450e8ad
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Filesize
29KB
MD5e43e43ca686d21f16f58d202f70fd0a6
SHA1085ca43ec142e60411236847303e5a9c2d5344eb
SHA2566cd353f776df4eabdd4a4a193a874fac0a409c5f7cb7559b17945827dee262f0
SHA512f8a1dc53c36c9c312ea9e49bc802099cb215d30a7cda0d54c4797584fde92fb49aed55a101bda59a40655f09399eec53f872165e957d330a723120e448cf3a32
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Filesize
352B
MD50a9dee3c5cd2b34a89f2a9b5103763c9
SHA15d4db5b779fae9d6323148cb7c9f90cbdb48a502
SHA2567866048bcda3bcba350589eb22e7706f89389624bae26559867a4e3bc6458da7
SHA51273cb7a9252c7937efc4ba35ad095f2d332fefbb4868113194f446d22770a306008f25659eeb2a9ce887ff026ccbe6ca408e83327306818d172ba61495ca91030
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Filesize
352B
MD561400d720d0591ddcf4fb99bee13e410
SHA1f970219f87154437ffb7570236f0f929ffd498a1
SHA256390a283dd183501dfcad2406adad652e1ac7ebca5a528dc4c3121cb378040349
SHA5122ba41a8d06f4071141c00f06c7ca6fd08b0fc9487801da8dcc5504900c7a8be185d79fba8ed750195892cd0e4d333a0f75f1219c473a9efee1e111d69cf3d727
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2