Analysis
-
max time kernel
120s -
max time network
114s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-01-2025 05:17
Behavioral task
behavioral1
Sample
55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
Resource
win10v2004-20241007-en
General
-
Target
55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe
-
Size
29KB
-
MD5
33cf203a3016d24b2e8435ece8994515
-
SHA1
c69db4953214464baa1b331b7b262e9aec6ad2d5
-
SHA256
55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf
-
SHA512
18e40989034824e7253ced2703b0f9575a4aa9ccaf3f024c6c577a5d4909b24c4ae795fc6caa4bbd709850ef1c5c59e14f753972047bde1b6f140a8e2afc028c
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/r:AEwVs+0jNDY1qi/qT
Malware Config
Signatures
-
Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2168-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2168-30-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2168-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2168-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2168-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2168-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2168-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 840 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" 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2168-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/files/0x0008000000016df8-7.dat upx behavioral1/memory/2168-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-30-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0034000000016dd9-49.dat upx behavioral1/memory/2168-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/840-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/840-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe File opened for modification C:\Windows\java.exe 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe File created C:\Windows\java.exe 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.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 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2168 wrote to memory of 840 2168 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe 30 PID 2168 wrote to memory of 840 2168 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe 30 PID 2168 wrote to memory of 840 2168 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe 30 PID 2168 wrote to memory of 840 2168 55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe"C:\Users\Admin\AppData\Local\Temp\55c7d9ba6a39af00915a90900accfc1b44dddd179408e6cae6664bda59751cbf.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
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:840
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD5dd55110c5e0347de0a0a2e3696ddcdbb
SHA1db931e7b5aee10d4ac24200003317dda05bd2770
SHA256ee1801490b740d7d23411b254d96d3c21ff7a0d437987aff291f3a30ae736c53
SHA5122ae0d58f03f9ba58e36806861106b3a4bcabbe88f7c8fb34cc762a15816e123f38e166353c432e7b6089b7398a09ec8fe11b529f095cd2c0d3b2efa5bdd3a69c
-
Filesize
352B
MD53e49fed4163367f42e0beaa0ecebfd5b
SHA1759baf1ba406812fc0c1751c6880741a96a35fd1
SHA25603c2e2f9e6812f9b6e95ab279956867cb23e3777ecd914bdce857ea8dad68fc9
SHA512a9d2112750c42db397db3dce8a7642573cca66f66e2cb7980c3fdbd716b206ff06b938cb7f6676a19d27d2f856a6cf10df0d4a0b7f921329e0a39c9fe0e3c3f4
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2