Analysis
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max time kernel
24s -
max time network
27s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
26/01/2022, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
kings.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
kings.exe
Resource
win10-en-20211208
General
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Target
kings.exe
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Size
72KB
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MD5
5c754da92f7301dc2e44c65df7c2f0ca
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SHA1
13fb3bcb9bceb9b8448004b650b37968df84eb70
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SHA256
36e4a3de5c4395d295bdf1d70a215d9669b626c58083ec2d8ab29513830faaa6
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SHA512
13a2eb67b9e401bf2b61bb0e91fee87cbbf08aa9c05ad58b49914c43ba0c86980a8360bb93ec843ef729a08d74357cd5dcac30ac9d2343b64285d32be9ab23b6
Malware Config
Extracted
C:\RestoreFiles.txt
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SelectMount.crw => C:\Users\Admin\Pictures\SelectMount.crw.kings kings.exe File opened for modification C:\Users\Admin\Pictures\SelectMount.crw.kings kings.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Y: kings.exe File opened (read-only) \??\U: kings.exe File opened (read-only) \??\S: kings.exe File opened (read-only) \??\F: kings.exe File opened (read-only) \??\L: kings.exe File opened (read-only) \??\Q: kings.exe File opened (read-only) \??\T: kings.exe File opened (read-only) \??\P: kings.exe File opened (read-only) \??\H: kings.exe File opened (read-only) \??\J: kings.exe File opened (read-only) \??\R: kings.exe File opened (read-only) \??\K: kings.exe File opened (read-only) \??\X: kings.exe File opened (read-only) \??\V: kings.exe File opened (read-only) \??\B: kings.exe File opened (read-only) \??\N: kings.exe File opened (read-only) \??\M: kings.exe File opened (read-only) \??\O: kings.exe File opened (read-only) \??\E: kings.exe File opened (read-only) \??\I: kings.exe File opened (read-only) \??\A: kings.exe File opened (read-only) \??\G: kings.exe File opened (read-only) \??\Z: kings.exe File opened (read-only) \??\W: kings.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 420 vssadmin.exe 3780 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2568 kings.exe 2568 kings.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 516 vssvc.exe Token: SeRestorePrivilege 516 vssvc.exe Token: SeAuditPrivilege 516 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2568 wrote to memory of 3920 2568 kings.exe 68 PID 2568 wrote to memory of 3920 2568 kings.exe 68 PID 3920 wrote to memory of 420 3920 cmd.exe 70 PID 3920 wrote to memory of 420 3920 cmd.exe 70 PID 2568 wrote to memory of 584 2568 kings.exe 75 PID 2568 wrote to memory of 584 2568 kings.exe 75 PID 584 wrote to memory of 3780 584 cmd.exe 77 PID 584 wrote to memory of 3780 584 cmd.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\kings.exe"C:\Users\Admin\AppData\Local\Temp\kings.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:420
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3780
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:516