Analysis
-
max time kernel
120s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 23:12
Behavioral task
behavioral1
Sample
391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe
Resource
win10v2004-20241007-en
General
-
Target
391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe
-
Size
29KB
-
MD5
f2c9f6051c6561a959503333620ccc70
-
SHA1
fc46a928c2222c0fe2311338e0ccb8a146a45e91
-
SHA256
391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612
-
SHA512
1bd4ec7f36876e7c615283a092271289b6756fefdc80677def8dd88562f3af267f29beb07ffa8f595e3eb0cc1cd2323030b60a16aa5a569219e025dad417d109
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Mh3:AEwVs+0jNDY1qi/qkV
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3368-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3368-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3368-102-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3368-161-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3368-163-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 4292 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" 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3368-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000d000000023b80-4.dat upx behavioral2/memory/4292-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3368-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4292-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3368-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4292-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d000000021a70-56.dat upx behavioral2/memory/3368-102-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4292-103-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3368-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4292-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3368-163-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4292-164-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4292-169-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe File opened for modification C:\Windows\java.exe 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe File created C:\Windows\java.exe 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.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 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3368 wrote to memory of 4292 3368 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe 84 PID 3368 wrote to memory of 4292 3368 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe 84 PID 3368 wrote to memory of 4292 3368 391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe"C:\Users\Admin\AppData\Local\Temp\391a766062eef5840780d8f1bf6bafbc259094d3689634d1cfab136c2fded612N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3368 -
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:4292
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
29KB
MD57e5625a51b10edfc79d59e7588bc6816
SHA10b47dbd74b0ebfafbb26766b1bb94f1bc1c46b31
SHA2563e3c4d2af14681d348e5019cede9645b0d5dd908b904d91cf6ef68acf2413513
SHA5124607e69ac12beda813676f91bbdb27162d914cc4a98eea3ec5e65c50b3bbe8737633f52c0c6479d8b64f5ce860b4b8c67375cb09dae8dbde83d5d97a5a71913c
-
Filesize
320B
MD55e806f51be2198d3ce33e232898dc401
SHA138a291fdfd901b80a53ccc4180b5e5f8dd73f4a8
SHA2569fcb72bc700d8d7a427172b92d7577b9e7dab19fa39b8580ca7d9242243e13ac
SHA512d892de99e47b0d486c8e027e48faf00fe699a4193d72913830f20d088c3e8d9f6670110950fcced8e6d8bec0034e6c2933e6ff263a34aab9cf5bf8466f917fb1
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2