Analysis
-
max time kernel
117s -
max time network
126s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 17:43
Static task
static1
Behavioral task
behavioral1
Sample
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe
Resource
win10-en-20211208
General
-
Target
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe
-
Size
320KB
-
MD5
69314300da7a4a0e95be545b804565dd
-
SHA1
514a30aef41f24b74e34225858863897c5220eb6
-
SHA256
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56
-
SHA512
1dc5cd0196ebd22b0b23a1908edc6af84bbd70827b0281b7a13387d191153c34c4e37c8449e8e91cf8585591f9d3bc8b3b8afdfc5786034cd7f9ecafe89037c0
Malware Config
Signatures
-
Sakula Payload 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 628 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 512 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exepid process 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exedescription pid process Token: SeIncBasePriorityPrivilege 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.execmd.exedescription pid process target process PID 1624 wrote to memory of 628 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe MediaCenter.exe PID 1624 wrote to memory of 628 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe MediaCenter.exe PID 1624 wrote to memory of 628 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe MediaCenter.exe PID 1624 wrote to memory of 628 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe MediaCenter.exe PID 1624 wrote to memory of 512 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe cmd.exe PID 1624 wrote to memory of 512 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe cmd.exe PID 1624 wrote to memory of 512 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe cmd.exe PID 1624 wrote to memory of 512 1624 8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe cmd.exe PID 512 wrote to memory of 1124 512 cmd.exe PING.EXE PID 512 wrote to memory of 1124 512 cmd.exe PING.EXE PID 512 wrote to memory of 1124 512 cmd.exe PING.EXE PID 512 wrote to memory of 1124 512 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe"C:\Users\Admin\AppData\Local\Temp\8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:628 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8a819e450fbd2edc9716dbdea0f56bafc9dbb8274e502cdb9aff3f7c6bfd9b56.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1124
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
402ef70c38e127dcfe1a10e2ab98c8a2
SHA137d17411791c9225f1ae28b8b75acae81d62f407
SHA256bd7380afc6a1774692b33347668e4a5ec5bec69418df2a68459b96c28af1966c
SHA512dcd3d2dcf88d371164817128b41dfb9987454ac634f628100f695ad29ba588f376790433677d60cc85ac7b2ba8e4165cf483ec5e089b8ebe47bf99188f800776
-
MD5
402ef70c38e127dcfe1a10e2ab98c8a2
SHA137d17411791c9225f1ae28b8b75acae81d62f407
SHA256bd7380afc6a1774692b33347668e4a5ec5bec69418df2a68459b96c28af1966c
SHA512dcd3d2dcf88d371164817128b41dfb9987454ac634f628100f695ad29ba588f376790433677d60cc85ac7b2ba8e4165cf483ec5e089b8ebe47bf99188f800776
-
MD5
402ef70c38e127dcfe1a10e2ab98c8a2
SHA137d17411791c9225f1ae28b8b75acae81d62f407
SHA256bd7380afc6a1774692b33347668e4a5ec5bec69418df2a68459b96c28af1966c
SHA512dcd3d2dcf88d371164817128b41dfb9987454ac634f628100f695ad29ba588f376790433677d60cc85ac7b2ba8e4165cf483ec5e089b8ebe47bf99188f800776