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
22-12-2024 06:17
Behavioral task
behavioral1
Sample
2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe
Resource
win10v2004-20241007-en
General
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Target
2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe
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Size
29KB
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MD5
5caac93f97d628d70898824a72e81665
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SHA1
ad645774dc6fafae48e903653b3f75681b07b917
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SHA256
2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30
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SHA512
25e14f0d966eb405fb923be66722ba5523cc30402c902999c7a1657fc2d96c4a453494d4ec5bc61bb720ac4604d8be543ab3f8a677b0c75f093723997578ca60
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1h5:AEwVs+0jNDY1qi/qtj
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2956-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-38-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2392 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" 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2956-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0007000000016cc8-8.dat upx behavioral1/memory/2392-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2956-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2392-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-38-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-49.dat upx behavioral1/memory/2956-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-75-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe File opened for modification C:\Windows\java.exe 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe File created C:\Windows\java.exe 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.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 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2392 2956 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe 31 PID 2956 wrote to memory of 2392 2956 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe 31 PID 2956 wrote to memory of 2392 2956 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe 31 PID 2956 wrote to memory of 2392 2956 2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe"C:\Users\Admin\AppData\Local\Temp\2a73d0e73426e0f67f2c6495f8a90ecdd9de497cdceab11274b6184638b6dd30.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
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:2392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5b94a75a4da9e89bc9624f8d4871b73b8
SHA169aac7e48c7ddc35399ca68af06678351453a046
SHA2563efddc5b3523063e721ae091d09617e6f3bac53b325793914d4f5c5b0cb605ff
SHA5120471df7433b44ec219295b21b091caf5ab4d70044eca13abe59259e240cb2b052fd9fa6f7369946e40f07f232d461693d7a739e10db2d5070a69311603c7218b
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Filesize
320B
MD5baed3e848d45918eba2ff597fa094c5b
SHA116ed56b532644f4ac375f0cbf0b72abc8a894be7
SHA25679277456bb0bcac77da1c40b80f77e8ed5488e638cf1cf06aaaaa9a36bac88d4
SHA5127e03c682f1ce1c30a7c18974ef13bec93188e61c7cf805928c6e171ac4fa3f2c4b532c4c160a62b20b6a77f35ab47d89d92f0d93d3104a191fa24b26dbb40711
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2