Analysis
-
max time kernel
119s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 02:26
Static task
static1
Behavioral task
behavioral1
Sample
e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe
Resource
win10v2004-20241007-en
General
-
Target
e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe
-
Size
78KB
-
MD5
cb2939c7826367e0ca3d8f2aeed2af70
-
SHA1
3d94b0818e2b9b308fe8da88cfdf864c0abf4e13
-
SHA256
e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bc
-
SHA512
47835ec598d172a6ccf186b18f87fe27531c7465b3ff2d756eb98dd12a1ace32e710b2f22cd0a5fa4dea8e4ffca136714eec82ecc4680a439e42c34b28379663
-
SSDEEP
1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uhIehXehh:NAoglOwvl4ulkP6vghzwYu7vih9GueI9
Malware Config
Signatures
-
Deletes itself 1 IoCs
pid Process 3672 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3672 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\HidePlugin.dll microsofthelp.exe File created C:\Windows\microsofthelp.exe e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.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 e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4416 wrote to memory of 3672 4416 e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe 85 PID 4416 wrote to memory of 3672 4416 e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe 85 PID 4416 wrote to memory of 3672 4416 e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe"C:\Users\Admin\AppData\Local\Temp\e3707d61f0be3e235c9c057b492f1a8936ae06d05b549eecd9685e8614afb3bcN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3672
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
79KB
MD53fe759b6f0893397498481fdb0d83b94
SHA1c42b56d5aad48a8e67a55920ec832950f7d9c6f0
SHA256821c79e8d176fbdfd3db7fda0a78066148997ea4b12a1dcf6023d3a4f25e005b
SHA5128762be0d870a7ee09134fabc52b4aac8f95fb2009d246e25492c2ba88026c01d081fdbe64228dc5b4b8c237572cbf3466f54f25969f4eef14ad51505fd131b45