Analysis
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max time kernel
120s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 11:41
Behavioral task
behavioral1
Sample
9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe
Resource
win10v2004-20241007-en
General
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Target
9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe
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Size
29KB
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MD5
b181bf0522bfce10d8ba5f716bd2c6c0
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SHA1
859d6bdffc97e2a8f121e9cdb7b8824b24bbb675
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SHA256
9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bc
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SHA512
663410a23f57eade71177f851a508fd0ac0c86e4333286721d7b4848966ae354f1d210d4fbe38519893afa318c9eab9c9e53639604394cd049c0c4543e2c672f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/7:AEwVs+0jNDY1qi/qj
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4476-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4476-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4476-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4476-130-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4476-159-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4476-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4180 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" 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4476-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cac-4.dat upx behavioral2/memory/4180-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4476-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4180-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4476-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4476-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4180-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021d5e-50.dat upx behavioral2/memory/4476-130-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4180-131-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4476-159-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4180-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-164-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4476-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4180-169-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe File opened for modification C:\Windows\java.exe 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe File created C:\Windows\java.exe 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.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 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4476 wrote to memory of 4180 4476 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe 82 PID 4476 wrote to memory of 4180 4476 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe 82 PID 4476 wrote to memory of 4180 4476 9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe"C:\Users\Admin\AppData\Local\Temp\9ac86d726c1e81a4fbfefb78e14566e905912f94ff465b5136b533bdac1c56bcN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476 -
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:4180
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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
MD5d1d20ccd3ad0350a67cf51533a708e52
SHA12919edae4d6e4a4ae1d24c05b2d52829e515a548
SHA256e190670794fd835cac9a01a06e3430d2f998f6a49fbbfd2bbc664dad776ab1e5
SHA51244ba62b5a5742da897a774e95d60f18dd1e8f982d893163b335a0307d1c18ecab6a5fe57eff7b86833d2ad34fecfce06a7f717c767c812880a040f7c6a12d2fa
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Filesize
352B
MD5ea4574653b97993903e4577dfafb8808
SHA1fa22435c174f4f16862f81e311ddc74799e44a76
SHA256f86a6c8ee28f18833f73816540f59154b5bae3aebf18a15f6471fd15e95c44ce
SHA512ea2cab65a57d07bee9c22df2208f0d7dc171fce13186b6a6c86a3703a01b27aeebb907882e20a1ec863040627f4c3a1c74a1ac9e59d4bf937f90ef3865ab57c6
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Filesize
352B
MD5e209c0854e2f35544a687e1a064473e8
SHA133a565fe544980302060687a0aac8df30faea0d7
SHA256fb47a4e801d572dffc471464736ed7774b7b9bf2558e701de98c79dfd39cd042
SHA51268517f7d8a38159e39c21276fe83b3462e46c810f498d6e2cad165321bc4292bae467cec03c58c01e3a6fa7b2c7b38fa55ef6da67e0dbd18bef392d16f40f59c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2