Analysis
-
max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 06:59
Behavioral task
behavioral1
Sample
dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe
Resource
win10v2004-20241007-en
General
-
Target
dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe
-
Size
29KB
-
MD5
dc8ca3de3f3c37381c3fd617b175fee2
-
SHA1
fab50e6149e1fd9507c82807fe1d52fa33d56da7
-
SHA256
dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644
-
SHA512
83853d9ec6703a2861672d1bab73fe275f50a6f855bd1e92d1755454e58f923046ad0748c18a6a3022a0317df3dae1e5cc72200eca3e81d5f92e4649fcba02d1
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/u:AEwVs+0jNDY1qi/qm
Malware Config
Signatures
-
Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2668-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2668-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 2776 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" dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe -
resource yara_rule behavioral1/memory/2668-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2668-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016d29-9.dat upx behavioral1/memory/2668-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2776-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2668-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2776-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2776-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-70.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe File opened for modification C:\Windows\java.exe dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe File created C:\Windows\java.exe dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.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 dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2668 wrote to memory of 2776 2668 dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe 31 PID 2668 wrote to memory of 2776 2668 dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe 31 PID 2668 wrote to memory of 2776 2668 dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe 31 PID 2668 wrote to memory of 2776 2668 dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe"C:\Users\Admin\AppData\Local\Temp\dfc8e4a6eed81d14cd5573dd106d794eb15fdbe64bfaf5c89713d71fcd843644.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668 -
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:2776
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD56be9ddbcd9aba08cc6f8b7e8e3f2a60b
SHA148689952e71ffebbd9db851211aca22b8088b213
SHA256d9cc7835ef96c813a8341d6f527c5fd0c155d6d29b440f2393af5d06f236fd76
SHA512894c059d46e5b12e6b05163e91a7d869992e71138230d72ffe44eaea0f87b9736a88374882ff5fc99633d93817e3dbce6f2b77eed1f49047052dbaa05ab313e2
-
Filesize
352B
MD5d3d318c114c6a552b08cca25d9a0ffb2
SHA168ed2adb3f816c53250cdd88a8feca14c086f67c
SHA2560afd59214d82990d87a82bda0747cfe2324e8d7b7d7839ee20e74f44c086159f
SHA512ed25e6e2c018ac87afa44a26a71f86610c8a01e3b120f56c5d1613297f4e6210879eefad9ebbb51925a9762e6443a2e3a8b2d0c2610b7fc95b676bb7262d3ed1
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2