Analysis
-
max time kernel
144s -
max time network
95s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
19-03-2021 21:19
Static task
static1
Behavioral task
behavioral1
Sample
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe
Resource
win10v20201028
General
-
Target
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe
-
Size
120KB
-
MD5
9a24b3de7af3b2a2f1917e72e64da268
-
SHA1
783bebb04eda5a88851aa741133ae49c29f44415
-
SHA256
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d
-
SHA512
631b8165326463749e8bb01e74304343158b4cd4c6c4e4a8e60922a298b90dab9c83c60fd69c4eda8ddf2dcf97c4040dc723f7e9beeb9a94aee568c30867044d
Malware Config
Extracted
C:\05k09aol4i-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/5D091E37245F3809
http://decoder.re/5D091E37245F3809
Signatures
-
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\aDTFUAIa7j = "C:\\Users\\Admin\\AppData\\Local\\Temp\\939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe" 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exedescription ioc process File opened (read-only) \??\H: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\I: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\S: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\W: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\X: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\E: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\F: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\J: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\L: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\U: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\Z: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\R: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\V: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\A: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\G: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\K: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\M: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\O: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\P: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\B: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\N: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\Q: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\T: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe File opened (read-only) \??\Y: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe -
Drops file in Program Files directory 1 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exedescription ioc process File created \??\c:\program files\05k09aol4i-readme.txt 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exepid process 760 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exevssvc.exedescription pid process Token: SeDebugPrivilege 760 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe Token: SeTakeOwnershipPrivilege 760 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe Token: SeBackupPrivilege 900 vssvc.exe Token: SeRestorePrivilege 900 vssvc.exe Token: SeAuditPrivilege 900 vssvc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe"C:\Users\Admin\AppData\Local\Temp\939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:760
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1624
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:900
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/760-2-0x0000000075C61000-0x0000000075C63000-memory.dmpFilesize
8KB