Analysis
-
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 09:47
Behavioral task
behavioral1
Sample
3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe
Resource
win10v2004-20241007-en
General
-
Target
3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe
-
Size
29KB
-
MD5
1bfa177e1a1eff889e63aec331c40d20
-
SHA1
94e4edbc0542032587dff1843e425387a2e6d61b
-
SHA256
3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1
-
SHA512
90e6dc9b5fa32afc6115cc0b3f63c8346549b65e5fc0530f951b6e1e066714238b71a7f442d3364a2c73dbe8e20a07df2bdfd57e85ee3a969c5c19372f444252
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/u:AEwVs+0jNDY1qi/q2
Malware Config
Signatures
-
Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/4440-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4440-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4440-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 2532 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" 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4440-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b6d-4.dat upx behavioral2/memory/2532-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4440-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2532-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2532-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4440-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2532-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4440-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2532-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-70.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe File created C:\Windows\java.exe 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe File created C:\Windows\services.exe 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.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 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4440 wrote to memory of 2532 4440 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe 83 PID 4440 wrote to memory of 2532 4440 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe 83 PID 4440 wrote to memory of 2532 4440 3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe"C:\Users\Admin\AppData\Local\Temp\3eb1d624d4f3346e636c260226fe77d4d5f970f6395b97dcfa078a8992d650f1N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440 -
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:2532
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
29KB
MD5d44cdda89189d5aed7af7000677ef556
SHA14f7b33b6375b4041426d9950e42e8d424f328492
SHA256b93120b5365c098871ff372ecf9cdd2bd7e64baa0d468696edb33277e2c49948
SHA51248020bb467c72d7ea716c21c93239189fe76889e63ab271c8b98e3718f161d67d5e9a23995baba0dd286a6b45e59dfdeb715fdccb8f1c7eafadb23f275898f34
-
Filesize
352B
MD5847d2a7ba2b12b5f874a8c8cbaecb179
SHA1235bf565bff83ccf658aa2216c3aaa808f31169c
SHA2569512c2ba04163eb91b3e87b5bdd5cf6fe094b8a3156c1078f112086fa6c01b6d
SHA512dd8cd248ecce39751c0f0341d01ca84f6384cc735fea97ae8390e323b9bf4a008e83ff9af6b0badf0d719366df7d2a8df9b5fab610735da4f7bcfe933617a4e9
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2