Analysis
-
max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 17:29
Behavioral task
behavioral1
Sample
b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe
Resource
win10v2004-20241007-en
General
-
Target
b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe
-
Size
29KB
-
MD5
6ad2de3a39a2f161d0c76f7258f6d520
-
SHA1
33e88272ec5a57364b3db6c5ce0744aaa3220969
-
SHA256
b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4
-
SHA512
04a89f30e263c594aef047634bfa866d4375b73d7f1322b9e26253ddd2c22675a34870c391fd1aecb7d9495eab2d41ca92bf601f7f62a63eb8fed73a9e1cac9a
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Thw:AEwVs+0jNDY1qi/q72
Malware Config
Signatures
-
Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/3928-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3928-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 4844 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" b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3928-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c8f-4.dat upx behavioral2/memory/4844-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4844-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4844-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4844-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe File opened for modification C:\Windows\java.exe b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe File created C:\Windows\java.exe b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.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 b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3928 wrote to memory of 4844 3928 b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe 82 PID 3928 wrote to memory of 4844 3928 b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe 82 PID 3928 wrote to memory of 4844 3928 b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe"C:\Users\Admin\AppData\Local\Temp\b7189589db0efccb746524e9fd24e1945a181ec0adbfbb0886bfc80d089534f4N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3928 -
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:4844
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2