Analysis
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max time kernel
120s -
max time network
120s -
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 10:03
Behavioral task
behavioral1
Sample
5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe
Resource
win10v2004-20241007-en
General
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Target
5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe
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Size
29KB
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MD5
52e2941285ddd9bbc593e49878f1abf0
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SHA1
c57262fe5b6588ead90d1566710875dfc255b64a
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SHA256
5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240
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SHA512
988e0841d2298370bdb183da1e7708d85c8f3f7b11994736dff0d28d8bcd9bd094e1d2694fd75af8f6681d1fac934e42a649b25d7690b307a3c7cc42a9d0c097
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Q:AEwVs+0jNDY1qi/q4
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4128-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4128-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4128-117-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4128-172-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4128-176-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4128-193-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4604 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" 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe -
resource yara_rule behavioral2/memory/4128-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c99-4.dat upx behavioral2/memory/4604-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4128-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4604-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4604-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4604-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4604-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4604-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4604-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4128-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4604-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000900000001e786-48.dat upx behavioral2/memory/4128-117-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4604-118-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4128-172-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4604-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4128-176-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4604-177-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4604-179-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4128-193-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4604-194-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe File created C:\Windows\java.exe 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe File created C:\Windows\services.exe 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.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 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4128 wrote to memory of 4604 4128 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe 84 PID 4128 wrote to memory of 4604 4128 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe 84 PID 4128 wrote to memory of 4604 4128 5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe"C:\Users\Admin\AppData\Local\Temp\5f6a73430594eaf2d1826a377577f0e46b1174f6c262e7f2096f78c2caf2c240N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128 -
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:4604
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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
MD5c06dee9871b8de6a629589dc1ac1b7b6
SHA1a157c3ceaf178d657da90b13d29748f8e17029ec
SHA2567df1f0f52e7c70b905b568ca9df5464b6aaebe9d6c42b81472eff0b5f6e5dc46
SHA51223a319cbdc6c4d462bf55961368e35cde07200006e9d81c619fa7707908d2dfd3cac8ca3cd14cb9e7039f61235c073741c65b1d1b4d625339c5ccfae56f12879
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Filesize
384B
MD5edbf99c5f634876df57ac88aa5db21e6
SHA17a8295f0124216bfdba6ab3873dfa526625d245d
SHA2568fd546066fae8960e8e9c4a1fc5a97b31345c152e054ea5c9138f98877045d2d
SHA512d1d14f374787f422425061ca88295ab73fa842209fb434b5afc88acb991cecb34b80f2c3073cc33d7fb2b9861992108c23ea22380e0a792910f663d35524dce2
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Filesize
384B
MD5a5ddace6a678e9955efede324d49fde5
SHA118fdcbffea4fc576ff2048f0b5eabaa5b56c33c7
SHA256d3f4ec49822c0e5b69336eb93d84b50229ee88e4d46db090ba57b0e55a4298a3
SHA512036385af6cd224068679ba3f884f01172a42c2a8b80c7b9e463530b5995a7be4764d7d921bb6be1016d165c347a7fc20e9f1596633430a9718fa72ba2d33bd20
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Filesize
384B
MD5f66b1e7c015b27e10a5819e17bdff5f1
SHA18f494cb4be7cd84f1d4ac11b1d7bac4998525229
SHA256004b71370537bbb13458b36c3fbda5e9e472a7f3d952f01fcbd884160b762a4c
SHA512fa78fc3c55538e2381db006b804d48524f7fb14f0d58765eaeec7dfe232ea15316af2c90b6fc0bbe291ea8b2c7123602dd944adac0742be1a52a5e28515dc3f0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2