Analysis
-
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
20-11-2024 21:34
Behavioral task
behavioral1
Sample
31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe
Resource
win10v2004-20241007-en
General
-
Target
31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe
-
Size
29KB
-
MD5
b315dc6b8234b1f644339500179e8f01
-
SHA1
89a050a9bac1be98559eee660f364851260a1942
-
SHA256
31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c
-
SHA512
825c05ef159573ffe3c1f107de9ea1c4f74801d4b53f875825eb41ac9030210d67355d3a741170a7e8a14c35e27dcbd8adf80b12a879c761fc92cec9859bd81a
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/iX:AEwVs+0jNDY1qi/q0
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/5052-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5052-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5052-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5052-155-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5052-173-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 516 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" 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/5052-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b40-4.dat upx behavioral2/memory/516-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5052-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/516-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/516-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5052-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/516-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5052-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0004000000000709-71.dat upx behavioral2/memory/516-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5052-155-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/516-156-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5052-173-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/516-174-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe File opened for modification C:\Windows\java.exe 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe File created C:\Windows\java.exe 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.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 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5052 wrote to memory of 516 5052 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe 83 PID 5052 wrote to memory of 516 5052 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe 83 PID 5052 wrote to memory of 516 5052 31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe"C:\Users\Admin\AppData\Local\Temp\31d010c213da6ea391256b6238355dcb891d4e521ac72661f09c0e71f89f3e3c.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052 -
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:516
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
29KB
MD52e6316683b91b53eaa033086bb6c6426
SHA1c98e0e7353f675333f8cffcea22cc73dc566ebed
SHA256bc39764deef95d8ab2f16ac2447c882ddf97b38628d7ec949f24488103a7d4b6
SHA512a4b11e1268591135e7ccdf2b61d96abe23fe7aa787198ca5217b6aca90861b9790dbd31cf34e42498e7f16f43d25744f7a5ee0e1f707bd94297b2be083552673
-
Filesize
320B
MD5fb8e560ddcbcef230682c67a2472deec
SHA1a764ad4675f5ab5d655aeeb97bf70d37ab9ae1bc
SHA2567fe3c550b38d35d970d2d33f54d39d219d748b20e7d33acd727fed36a614ba49
SHA512dcd12d0366cb05457c4e984f3d143476d3ae8319fe3ea80c7d5355baa66a75557aaaa217fca45ec58851181f56eccf4dde21a04dbf3a73ada9da389c063a7b4b
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2