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
07-01-2025 01:11
Behavioral task
behavioral1
Sample
21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
Resource
win10v2004-20241007-en
General
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Target
21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe
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Size
29KB
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MD5
b8f02c09a0bf39f7227fe82419e07d17
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SHA1
dcd77158360e3ecc5f136091948c2d5764d822c6
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SHA256
21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3
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SHA512
e61cdc0bbd378aad17e0553c99ba55c044b77d4588cb7007d23e4c2b5b3cd34b1c64fbfb1c29e15e3cb3b8514bcba643148fcafe9895fbde788ce662972d7853
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/gS:AEwVs+0jNDY1qi/qX
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/1808-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-27-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-116-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-131-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-140-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-176-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1808-211-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2848 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" 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1808-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023b8b-4.dat upx behavioral2/memory/1808-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2848-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2848-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2848-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1808-27-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1808-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0015000000023bab-38.dat upx behavioral2/memory/1808-116-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-117-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1808-131-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-132-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2848-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1808-140-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-141-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1808-176-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-177-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1808-211-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2848-217-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe File opened for modification C:\Windows\java.exe 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe File created C:\Windows\java.exe 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.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 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1808 wrote to memory of 2848 1808 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe 83 PID 1808 wrote to memory of 2848 1808 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe 83 PID 1808 wrote to memory of 2848 1808 21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe"C:\Users\Admin\AppData\Local\Temp\21a565658741c7ee34924b761cbf5ed64a919e4b6ffe8d009a2f3a9d564d2fb3.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808 -
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:2848
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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
MD532f37f2f9705680c2441bc04858cf575
SHA12f6af8611f6654f26b58bc0518801fc494d31bf7
SHA256c56470d6f7cba078d3fbaa2428dc474368bcf251f343306085c2d5baaf761e14
SHA512674f9978f26a6e29118d7a7ba584d09c18d955f15917779f1c4a23e7753832e39cb35bfc4298f40ac7df0ff1f213ecb1d364127b51782964707091ff3de90707
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Filesize
352B
MD5c70040245c9d88d60a236d0deed9dd57
SHA1f4b602befd789cb5fd0deeadd0aa9bf9d8ee5d28
SHA2568035393fdea8a04325ef358d491dade0231a1754940f66ebafedd992a7ae7bea
SHA5129558c43d78626609b1e66dbffa209f1cbdd960d9538e1c00a6337d383c3abf3dc7e037ffecb62db4be72b422f928fe10be2d6436d235c09a060854c8350c348f
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Filesize
352B
MD50a13aba9c86d2a31124424e047cf4ff3
SHA1b51b4360a0af21d2bfef4cf4a6177aaf3bc01618
SHA2560446ca731c42ab3fe51d39f2eb52dadc98f43a217e49850775502fdc2dbafb30
SHA5120d61b851d7b3e54a128b9eaafc16d47f9042bbf98ddac480932aa87be02428947326d924374b59b9b268eff8e332a37bda4f4c85e607795c68f452f27ee8b7e4
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Filesize
352B
MD528124e4ba4d353c3d34bb9196292b702
SHA1711f594cdcc5cbf2877dfbfeb34342c12e5d771e
SHA256615ddcefb5592f61102f3269e878720c7b3859f1b0d2263666b2e05f39acf378
SHA51225e9e9206c9bd973cba155455be8824f1d9467a0e0d02afbfd43ab53706cfdebfb46ace73c0819f1dcca23c0c1449f2d3d3dc640bce208665774c679a75fdeef
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2