Analysis
-
max time kernel
140s -
max time network
150s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 03:50
Static task
static1
Behavioral task
behavioral1
Sample
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe
Resource
win10v2004-en-20220112
General
-
Target
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe
-
Size
150KB
-
MD5
0ca32644c4e8bc7a25374cc7fc875f1d
-
SHA1
2d077944cddc797f71767b5aae2857239ca717c2
-
SHA256
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7
-
SHA512
f606ccd20f60cac55d0c7eb14e7d7adab2c2e04fa5bd764f1468c3f75693545441945f08c1840cd8be4701b297d48b76fbeebbfca329eb4cce4341b6d133eb1e
Malware Config
Signatures
-
Sakula Payload 2 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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1888 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1984 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exepid process 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.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:
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exedescription pid process Token: SeIncBasePriorityPrivilege 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.execmd.exedescription pid process target process PID 1684 wrote to memory of 1888 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe MediaCenter.exe PID 1684 wrote to memory of 1888 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe MediaCenter.exe PID 1684 wrote to memory of 1888 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe MediaCenter.exe PID 1684 wrote to memory of 1888 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe MediaCenter.exe PID 1684 wrote to memory of 1984 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe cmd.exe PID 1684 wrote to memory of 1984 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe cmd.exe PID 1684 wrote to memory of 1984 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe cmd.exe PID 1684 wrote to memory of 1984 1684 16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe cmd.exe PID 1984 wrote to memory of 1956 1984 cmd.exe PING.EXE PID 1984 wrote to memory of 1956 1984 cmd.exe PING.EXE PID 1984 wrote to memory of 1956 1984 cmd.exe PING.EXE PID 1984 wrote to memory of 1956 1984 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe"C:\Users\Admin\AppData\Local\Temp\16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1888 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16b31b35cc7156fddf967745472e1ceba2458d5cdab702a0ac2e3d7611f71be7.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1956
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
b9359fd378d8e39b3d62151c42fcf301
SHA10cbf3105bb7e14723f4f4371f1f6f079eeacba97
SHA25678248438da8002e0b9b8d6245a7af26bee3c0cd8bd2c3aee56be5d21127b38a5
SHA51296eda793eb070da5262631b73d3883b7dff102ba67b16d589add58a05f59a23243b35a776c7f2c1f2ccf7b824150b3f9aad085def5500d74b07bf1385340fe2b
-
MD5
b9359fd378d8e39b3d62151c42fcf301
SHA10cbf3105bb7e14723f4f4371f1f6f079eeacba97
SHA25678248438da8002e0b9b8d6245a7af26bee3c0cd8bd2c3aee56be5d21127b38a5
SHA51296eda793eb070da5262631b73d3883b7dff102ba67b16d589add58a05f59a23243b35a776c7f2c1f2ccf7b824150b3f9aad085def5500d74b07bf1385340fe2b