Analysis
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max time kernel
120s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 02:41
Behavioral task
behavioral1
Sample
546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe
Resource
win10v2004-20241007-en
General
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Target
546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe
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Size
29KB
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MD5
6e177392f6d0424b450ccdea78ebb3a4
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SHA1
6c690942a20640888c397c19772b3a44c9323444
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SHA256
546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076
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SHA512
ac81bc0e11476c71ca360d0a7bb025ab7713493f7ca86836dbd963a9b0f6df7f5e592d115f12cd93de0db4cfd4e951b0ea239f0b211caa139ae788d360f5d6a3
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Sw:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2440-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2440-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2440-120-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2440-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2440-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2164 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" 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2440-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023caa-4.dat upx behavioral2/memory/2440-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2440-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000800000001e786-48.dat upx behavioral2/memory/2440-120-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-121-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2440-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2440-156-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-162-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe File opened for modification C:\Windows\java.exe 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe File created C:\Windows\java.exe 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2440 wrote to memory of 2164 2440 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe 85 PID 2440 wrote to memory of 2164 2440 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe 85 PID 2440 wrote to memory of 2164 2440 546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe"C:\Users\Admin\AppData\Local\Temp\546c585704a746c1c89c4db8aab28e97b5318cda31ef88df30ffb26ad9f9d076.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440 -
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:2164
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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
MD589078271d72907ffa15769bd548008f4
SHA18fe79caa82009ab8d89603e1967fbb23c0eb05a1
SHA256ee023da446a3900bebc98501d1abb8173963a35d17167331dab4d0c3a9c124c4
SHA512375e0c50abd5c8a74e3091a2eecb7a091869bd6863d35c9c0a8b49f0b477a48fc0f7d95f64b54bb74d97a179f8c0215224a69ac1326f64aa6bf3d0dc8191f9c9
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Filesize
352B
MD504f4365f61dddf5b76e8614ff30f128e
SHA19037f15b54e40e94751876d9b335503cc2425da9
SHA25639723fef78e632bfbc1ff1964c13a2836b7fd1a7b4f0ca4bbb8ffc14d681b9c5
SHA512741f984936a2ae9438d50d753e7846aac8c388c01c4c5f13682e4a7240bdd7dd5c0d27afa8da1b93d61e4ab9405c130bfa916333da0ec8689da6ede75d6d2dc4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2