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
12-12-2024 23:21
General
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Target
[email protected] .exe
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Size
28KB
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MD5
c5c0377e70d400bc42cc0d10655d8919
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SHA1
2692dcb2b970168b6049d1772e30d64911a582e3
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SHA256
8f6535687f9a3f04500685c49fc32e2e36bbb3d7952ff3f3f7adb58d841f2045
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SHA512
7be705adbea072fdb2deeefa81e29f094d961f4c707e177c5bed9ee1f6153ea4694c610193f37f94a25c4017a5100fbc17f620518f0aa03df7430f4788d37e05
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNp95:Dv8IRRdsxq1DjJcqfy5
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2788-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2788-56-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2788-141-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2788-183-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2788-187-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4508 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" [email protected] .exe -
resource yara_rule behavioral2/memory/2788-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0008000000023c62-5.dat upx behavioral2/memory/4508-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2788-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4508-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4508-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2788-56-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4508-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-67.dat upx behavioral2/memory/2788-141-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4508-149-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2788-183-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4508-184-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2788-187-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4508-188-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe [email protected] .exe File created C:\Windows\java.exe [email protected] .exe File created C:\Windows\services.exe [email protected] .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 [email protected] .exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2788 wrote to memory of 4508 2788 [email protected] .exe 83 PID 2788 wrote to memory of 4508 2788 [email protected] .exe 83 PID 2788 wrote to memory of 4508 2788 [email protected] .exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\[email protected] .exe"C:\Users\Admin\AppData\Local\Temp\[email protected] .exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
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:4508
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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
28KB
MD525801a9fb5219a48fe9f5ca5105fa365
SHA1e12da5094d07dbecbcc020def4ae2741e10f9274
SHA256dc303e764e761ec3765dca4105ca8a9e66009de45885fdca83ba79133bfc171a
SHA51276931cfe1fce649a541277de19dbf8e9950b9fd8663c66d87e6ac310af3dc22525d2437a732ee72b3361eff552dd337022fa76b8250d2623741215d0eec68dc5
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Filesize
1KB
MD5ce3ab19acedc8f731a3fd924e953ae98
SHA10e6d495cb08d9cc6fe13920f28b08ea81906a085
SHA256a8053794cc7fe902d0533ebd8a085b51659870ae8b3bf255db4bc4a129905470
SHA51285cf426c77e20284d2af989c970406ac70be6140d7971908ee1fcf300ec4000c6174d8fc7eb6d6b2c45245a9a8ff334f0303879f0cef6548c31142d6b55e3091
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Filesize
1KB
MD517e2cd17e2f26460db1f6a8721a6b5f0
SHA1dd576400a1c18c1130fd47c951e1b570bb075e1a
SHA256359a69aca550f7dc923e5dd38754fb2b3503446a40f8cd3b4689fa90855406c3
SHA5128b8e1f9322699389f45b1a3a07518951ab3b9f51b5c37792e1395718f2b6406bf5ee5f9000b0902a5db51d42d34a5a0323eac25b72f1c996129b5642180474dc
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2