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
22-11-2024 19:39
Behavioral task
behavioral1
Sample
163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe
Resource
win10v2004-20241007-en
General
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Target
163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe
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Size
29KB
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MD5
ebf82a008f2791756862a09d8906104c
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SHA1
3b36915cc7c271bccd32ad650a6d5b2364039b6e
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SHA256
163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a
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SHA512
49820d48a0cb55451dd23471ae0c598e7df8d854115e9f5958d68fe3a8d99b82e577a25a7da93364c7dfc5673cc85129d69a359f1d7f72311eec0c421febf912
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/D:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/4572-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-27-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-92-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-130-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-132-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-142-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-182-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4572-215-0x0000000000500000-0x0000000000510200-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" 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4572-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000c000000023bad-4.dat upx behavioral2/memory/2164-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4572-13-0x0000000000500000-0x0000000000510200-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/4572-27-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000a000000023c57-41.dat upx behavioral2/memory/4572-92-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-93-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4572-130-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-131-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4572-132-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-133-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2164-138-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4572-142-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-143-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4572-182-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-183-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4572-215-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2164-219-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe File created C:\Windows\java.exe 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe File created C:\Windows\services.exe 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.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 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4572 wrote to memory of 2164 4572 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe 82 PID 4572 wrote to memory of 2164 4572 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe 82 PID 4572 wrote to memory of 2164 4572 163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe"C:\Users\Admin\AppData\Local\Temp\163fc43b19f9c0849eba86bee0142b1ed046d5b679ea7b17b09edc56cdc7b37a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4572 -
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
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD535833fd8bc22cc0561bafccaaad68690
SHA1057fcc861ff1dd0a183bf0219b96ca3dcfe6eea9
SHA256ed4b13a3643351835646ca32a867506f8bb9028c90e43e3870fe5a3da7d5d889
SHA51240b5e39419a04f3928c7e4057582b501a4f0c5a9c38f2f93d2532118f94ae675bb09c4e8156c4f15444f2edc920b4ba801dabf85b79de82beeb067a1ba3507f4
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Filesize
320B
MD5c509026be715e02e2b8121f563bc76e5
SHA14e53c7bd8109dec11fca98bfc2917834c397a81e
SHA256d002d7c2c6763da65891db39616575115c3ef910ff64d7687b67fca7bd316aff
SHA512f5c8768c9ab06b364d6794b3f9f19df8ab2d64352eb1b7cb2d0226c547522f012e18ebdb2bb33d46a677424f69113def3d2890727e361b3b7f1fca1307a14de7
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Filesize
320B
MD57946b2bde9a8d977497aceed2f3a1f10
SHA175b7327c57970a84eb21e492963b1adfdb5b46e5
SHA2565bb73b4602978ec14af563e1f5df3d88c33bd88f08c4f40092ab5baec3dbe14c
SHA5124b788b0939ae3121f30812c51496a3ed824453842dcecb41ac4edd50973f065be40938065196ba7ca79ad661039bf66eeca849e88463e138b472978f33747cbf
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2