Analysis
-
max time kernel
14s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:21
Static task
static1
Behavioral task
behavioral1
Sample
a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe
Resource
win10v2004-20221111-en
General
-
Target
a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe
-
Size
832KB
-
MD5
0ed4bde5b9640e6453f7b7ceb3b15c7c
-
SHA1
1d796835456813295620f1b630fdc6624d78c81e
-
SHA256
a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619
-
SHA512
55fcf153c34b9328103d9a18f8c5ad369d779e72e960c5354f716f81cc6194738621a4fcd8760625b0130d34cd6dfcc273633a92113dc12345991fcddbc5493b
-
SSDEEP
24576:xtA7DFh7016hI38k4ew1LBSj4w9m/1JkqQ/:z0ZI3g7LB64wQJq
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Setup.exepid process 1908 Setup.exe -
Loads dropped DLL 1 IoCs
Processes:
a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exepid process 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
Setup.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl Setup.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS Setup.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS\Setup.exe = "1" Setup.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN Setup.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\Setup.exe = "0" Setup.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS Setup.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main Setup.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exedescription pid process target process PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe PID 824 wrote to memory of 1908 824 a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe Setup.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe"C:\Users\Admin\AppData\Local\Temp\a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a212wcGDya\Tt6xfl6V\Setup.exeC:\Users\Admin\AppData\Local\Temp\a212wcGDya\Tt6xfl6V\Setup.exe --relaunch2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\a212wcGDya\Tt6xfl6V\Setup.exeFilesize
832KB
MD50ed4bde5b9640e6453f7b7ceb3b15c7c
SHA11d796835456813295620f1b630fdc6624d78c81e
SHA256a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619
SHA51255fcf153c34b9328103d9a18f8c5ad369d779e72e960c5354f716f81cc6194738621a4fcd8760625b0130d34cd6dfcc273633a92113dc12345991fcddbc5493b
-
C:\Users\Admin\AppData\Local\Temp\a212wcGDya\Tt6xfl6V\Setup.exeFilesize
832KB
MD50ed4bde5b9640e6453f7b7ceb3b15c7c
SHA11d796835456813295620f1b630fdc6624d78c81e
SHA256a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619
SHA51255fcf153c34b9328103d9a18f8c5ad369d779e72e960c5354f716f81cc6194738621a4fcd8760625b0130d34cd6dfcc273633a92113dc12345991fcddbc5493b
-
\Users\Admin\AppData\Local\Temp\a212wcGDya\Tt6xfl6V\Setup.exeFilesize
832KB
MD50ed4bde5b9640e6453f7b7ceb3b15c7c
SHA11d796835456813295620f1b630fdc6624d78c81e
SHA256a3716fbef87ed4345c750e73936b689a87dec48d8dd3f3ab0d763478d0d35619
SHA51255fcf153c34b9328103d9a18f8c5ad369d779e72e960c5354f716f81cc6194738621a4fcd8760625b0130d34cd6dfcc273633a92113dc12345991fcddbc5493b
-
memory/824-54-0x0000000076041000-0x0000000076043000-memory.dmpFilesize
8KB
-
memory/1908-56-0x0000000000000000-mapping.dmp