Analysis
-
max time kernel
119s -
max time network
99s -
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, 05:38
Static task
static1
Behavioral task
behavioral1
Sample
d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe
Resource
win10v2004-20241007-en
General
-
Target
d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe
-
Size
66KB
-
MD5
10b614d35f54f1ec43db94b6e0fedb80
-
SHA1
797263ebd43836e5b640d04703566680b2256842
-
SHA256
d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127
-
SHA512
3145d602e02d59a093ca55f9a5649b0452c791fcf0b050247c7f914b2404335e5727601071ffa33dc1218fd3079795556fe4f15ca1415bb69a0bc4c4bc474380
-
SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIR:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVb
Malware Config
Signatures
-
Deletes itself 1 IoCs
pid Process 2056 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2056 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.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 d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4692 wrote to memory of 2056 4692 d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe 83 PID 4692 wrote to memory of 2056 4692 d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe 83 PID 4692 wrote to memory of 2056 4692 d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe"C:\Users\Admin\AppData\Local\Temp\d333f820760040b0eb270c992cbfcef1e6c1620e73f2ecfa2e1ba3038abbc127N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2056
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
66KB
MD50dc71eac4830487bfe79630bd9a9b3eb
SHA142831bd140f0395db93ab9028ea3691a4b503841
SHA256ffec96fb663b624fa9813f5b2713da527b13c0ee2567b1151851996d567c9398
SHA512adc0143e2cdbedf5a26b360f32f5958e78542cb1bc0f49d9f55465c67213d675961942319d6cdfacf51c737bd8711912775cfc5e7e6a62172b77e461893a46b8