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
10-12-2024 18:20
Behavioral task
behavioral1
Sample
8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe
Resource
win10v2004-20241007-en
General
-
Target
8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe
-
Size
29KB
-
MD5
3b8b289a10533505a4bf0b71914d11b0
-
SHA1
738fa3b3b0d43dbacbf2c2777f0ec6f1c28c9318
-
SHA256
8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7
-
SHA512
71a6de4fe30b82466626e01193468375ff50e3754cab8e85624194aefcde14781a7e9adc4ce5eb04456d5c3f09835d5e306836f1562ad2e25a9c7b712d077d22
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ghr:AEwVs+0jNDY1qi/q4J
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3356-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3356-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3356-134-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3356-176-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3356-178-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 4944 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" 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3356-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023caa-5.dat upx behavioral2/memory/4944-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3356-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4944-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3356-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4944-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021d5e-56.dat upx behavioral2/memory/3356-134-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4944-135-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3356-176-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4944-177-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3356-178-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4944-179-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4944-184-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe File opened for modification C:\Windows\java.exe 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe File created C:\Windows\java.exe 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.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 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3356 wrote to memory of 4944 3356 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe 82 PID 3356 wrote to memory of 4944 3356 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe 82 PID 3356 wrote to memory of 4944 3356 8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe"C:\Users\Admin\AppData\Local\Temp\8940d97cac71ebc2d5a8b353b39ab56103ace09a2f54db282b611f4d24d221e7.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3356 -
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:4944
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
29KB
MD55cba4423f247051f0a738047ee6b6beb
SHA17e15da1e0cf0787482853b2d161f2e5a8274792e
SHA256810792524321e59fb4f241cbbe1a4ec87c3a304ae3f7723702dbc48ced757b7a
SHA512a2ecf6ddcde11bad6a2ef8e7e6369f961626533e42cccbbc5d125617590c93cb706df75eb168ed303272aa2b1de5ca1db28b0528e2ed4714a109457b41a18b48
-
Filesize
320B
MD5625db23f1abe0ca6dd9877f88f6d6df6
SHA11a67adfb29b1a233b2818ca50a9014445bd773b3
SHA256e209b5788eb601ff72b767a6b6ae4d99481baa5c4393880ace5704a05fa5cfd4
SHA5121ba947db755b6c9987eda8c886bbf5dcda0d8f269d1daf2910954dff57090ec324325c99fc7a8d8fccfe0b61ccf00859440f36ad3965092777a4e2b8ae1ac5af
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2