Analysis
-
max time kernel
120s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 10:55
Behavioral task
behavioral1
Sample
b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe
Resource
win10v2004-20241007-en
General
-
Target
b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe
-
Size
29KB
-
MD5
2f19c15738272a8a3ec69cfe9e2f7952
-
SHA1
e42df4ff8b6d6ceec3156fb9135086ecd6047b7a
-
SHA256
b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64
-
SHA512
290d81d9867450c4cbcb2989ea3b07449a285c3fd8c196ca7476bf4f6a18445bca7dfd5fab5e8a82163f1d062cc1f873e9b95066fde8bb3aaea80ad2d11ab12d
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/7:AEwVs+0jNDY1qi/qz
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/224-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/224-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/224-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/224-143-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/224-170-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 3780 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe -
resource yara_rule behavioral2/memory/224-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000e000000023b73-4.dat upx behavioral2/memory/3780-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/224-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3780-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3780-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/224-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3780-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/224-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3780-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-63.dat upx behavioral2/memory/224-143-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3780-152-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/224-170-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3780-171-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe File opened for modification C:\Windows\java.exe b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe File created C:\Windows\java.exe b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 224 wrote to memory of 3780 224 b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe 82 PID 224 wrote to memory of 3780 224 b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe 82 PID 224 wrote to memory of 3780 224 b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe"C:\Users\Admin\AppData\Local\Temp\b38e9cc23ea45f290b99980fc9431e32e17a4c5fe1acd2c4e8c2d23dc96f2f64.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:224 -
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:3780
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
29KB
MD5dacd359b521d5be1d543891fb9882d19
SHA1edd43f16eafc59d19834a1b71357318489a1d3c2
SHA256be9b60d1243cbfe7460441573357764a7127397533077529ea43a608b8ffc1d5
SHA512ee6a551e8b7acd9b115305c9c77b6eaa28a94a478f90d9df334ac736ff1d8b55e9f885a0561e0f5014bdda1a77e0122efb4d22046d0a4012a6bade50ad257404
-
Filesize
352B
MD5ff0703e0a952fcfa6d92102185d2c0ee
SHA12896f226706d63ffa775909657a3bf564ed2e904
SHA256c1d533a6ba7b494f5c2266dc4e13671596f0228e75fd2e475c02f325be9a6490
SHA5124b5951103db4d78bdc38f5d4e7b6cd8798cab96295909d986a4f0806d23a5a1f4f5585dcdff2267536b68800c9e1eb162e5091ff34640eb9ae93bc94e63d4a05
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2